删除diff_new.f90中冗余部分，方便后续工作

.gitignore

@@ -1,6 +1,3 @@
 __pycache__
 GW150914
-GW150914-origin
+GW150914-origin
-docs
-*.tmp
-

AMSS_NCKU_ABEtest.py

@@ -34,15 +34,14 @@ import time
 File_directory = os.path.join(input_data.File_directory)
 
 ## Check if output directory exists and if TwoPuncture data is available
-#skip_twopuncture = False
+skip_twopuncture = False
-skip_twopuncture = True
 output_directory = os.path.join(File_directory, "AMSS_NCKU_output")
 binary_results_directory = os.path.join(output_directory, input_data.Output_directory)
 
 if os.path.exists(File_directory):
     print( " Output directory already exists." )
     print()
-    '''
+
     # Check if TwoPuncture initial data files exist
     if (input_data.Initial_Data_Method == "Ansorg-TwoPuncture"):
         twopuncture_output = os.path.join(output_directory, "TwoPunctureABE")
@@ -54,7 +53,7 @@ if os.path.exists(File_directory):
             print( " Input 'skip' to skip TwoPuncture and start ABE directly" )
             print( " Input 'regenerate' to regenerate everything from scratch" )
             print()
-            
+
             while True:
                 try:
                     inputvalue = input()
@@ -72,11 +71,10 @@ if os.path.exists(File_directory):
                         print( " Please input 'skip' or 'regenerate'." )
                 except ValueError:
                     print( " Please input 'skip' or 'regenerate'." )
-            
         else:
             print( " TwoPuncture initial data not found, will regenerate everything." )
             print()
-'''
+
     # If not skipping, remove and recreate directory
     if not skip_twopuncture:
         shutil.rmtree(File_directory, ignore_errors=True)

AMSS_NCKU_Verify_ASC26.py

@@ -277,3 +277,4 @@ def main():
 
 if __name__ == "__main__":
     main()
+

AMSS_NCKU_source/FFT.f90

@@ -37,51 +37,57 @@ close(77)
 end program checkFFT
 #endif
 
-!-------------
-! Optimized FFT using Intel oneMKL DFTI
-! Mathematical equivalence: Standard DFT definition
-!   Forward (isign=1):  X[k] = sum_{n=0}^{N-1} x[n] * exp(-2*pi*i*k*n/N)
-!   Backward (isign=-1): X[k] = sum_{n=0}^{N-1} x[n] * exp(+2*pi*i*k*n/N)
-! Input/Output: dataa is interleaved complex array [Re(0),Im(0),Re(1),Im(1),...]
 !-------------
 SUBROUTINE four1(dataa,nn,isign)
-use MKL_DFTI
 implicit none
-INTEGER, intent(in) :: isign, nn
+INTEGER::isign,nn
-DOUBLE PRECISION, dimension(2*nn), intent(inout) :: dataa
+double precision,dimension(2*nn)::dataa
-
+INTEGER::i,istep,j,m,mmax,n
-type(DFTI_DESCRIPTOR), pointer :: desc
+double precision::tempi,tempr
-integer :: status
+DOUBLE PRECISION::theta,wi,wpi,wpr,wr,wtemp
-
+n=2*nn
-! Create DFTI descriptor for 1D complex-to-complex transform
+j=1
-status = DftiCreateDescriptor(desc, DFTI_DOUBLE, DFTI_COMPLEX, 1, nn)
+do i=1,n,2
-if (status /= 0) return
+  if(j.gt.i)then
-
+     tempr=dataa(j)
-! Set input/output storage as interleaved complex (default)
+     tempi=dataa(j+1)
-status = DftiSetValue(desc, DFTI_PLACEMENT, DFTI_INPLACE)
+     dataa(j)=dataa(i)
-if (status /= 0) then
+     dataa(j+1)=dataa(i+1)
-   status = DftiFreeDescriptor(desc)
+     dataa(i)=tempr
-   return
+     dataa(i+1)=tempi
+  endif
+  m=nn
+1 if ((m.ge.2).and.(j.gt.m)) then
+  j=j-m
+  m=m/2
+goto 1
+  endif
+j=j+m
+enddo
+mmax=2
+2  if (n.gt.mmax) then
+     istep=2*mmax
+     theta=6.28318530717959d0/(isign*mmax)
+     wpr=-2.d0*sin(0.5d0*theta)**2
+     wpi=sin(theta)
+     wr=1.d0
+     wi=0.d0
+     do m=1,mmax,2
+       do i=m,n,istep
+         j=i+mmax
+         tempr=sngl(wr)*dataa(j)-sngl(wi)*dataa(j+1)
+         tempi=sngl(wr)*dataa(j+1)+sngl(wi)*dataa(j)
+         dataa(j)=dataa(i)-tempr
+         dataa(j+1)=dataa(i+1)-tempi
+         dataa(i)=dataa(i)+tempr
+         dataa(i+1)=dataa(i+1)+tempi
+       enddo
+          wtemp=wr
+          wr=wr*wpr-wi*wpi+wr
+          wi=wi*wpr+wtemp*wpi+wi
+     enddo
+mmax=istep
+goto 2
 endif
-
-! Commit the descriptor
-status = DftiCommitDescriptor(desc)
-if (status /= 0) then
-   status = DftiFreeDescriptor(desc)
-   return
-endif
-
-! Execute FFT based on direction
-if (isign == 1) then
-   ! Forward FFT: exp(-2*pi*i*k*n/N)
-   status = DftiComputeForward(desc, dataa)
-else
-   ! Backward FFT: exp(+2*pi*i*k*n/N)
-   status = DftiComputeBackward(desc, dataa)
-endif
-
-! Free descriptor
-status = DftiFreeDescriptor(desc)
-
 return
 END SUBROUTINE four1

AMSS_NCKU_source/TwoPunctures.h

@@ -1,8 +1,7 @@
+
 #ifndef TWO_PUNCTURES_H
 #define TWO_PUNCTURES_H
 
-#include <omp.h>
-
 #define StencilSize 19
 #define N_PlaneRelax 1
 #define NRELAX 200
@@ -33,7 +32,7 @@ private:
        int npoints_A, npoints_B, npoints_phi;
 
        double target_M_plus, target_M_minus;
-
+       
        double admMass;
 
        double adm_tol;
@@ -43,18 +42,6 @@ private:
 
        int ntotal;
 
-       // ===== Precomputed spectral derivative matrices =====
-       double *D1_A, *D2_A;
-       double *D1_B, *D2_B;
-       double *DF1_phi, *DF2_phi;
-
-       // ===== Pre-allocated workspace for LineRelax (per-thread) =====
-       int max_threads;
-       double **ws_diag_be, **ws_e_be, **ws_f_be, **ws_b_be, **ws_x_be;
-       double **ws_l_be, **ws_u_be, **ws_d_be, **ws_y_be;
-       double **ws_diag_al, **ws_e_al, **ws_f_al, **ws_b_al, **ws_x_al;
-       double **ws_l_al, **ws_u_al, **ws_d_al, **ws_y_al;
-
        struct parameters
        {
               int nvar, n1, n2, n3;
@@ -71,28 +58,6 @@ public:
                     int Newtonmaxit);
        ~TwoPunctures();
 
-       // 02/07: New/modified methods
-       void allocate_workspace();
-       void free_workspace();
-       void precompute_derivative_matrices();
-       void build_cheb_deriv_matrices(int n, double *D1, double *D2);
-       void build_fourier_deriv_matrices(int N, double *DF1, double *DF2);
-       void Derivatives_AB3_MatMul(int nvar, int n1, int n2, int n3, derivs v);
-       void ThomasAlgorithm_ws(int N, double *b, double *a, double *c, double *x, double *q,
-                                double *l, double *u_ws, double *d, double *y);
-       void LineRelax_be_omp(double *dv,
-                         int const i, int const k, int const nvar,
-                         int const n1, int const n2, int const n3,
-                         double const *rhs, int const *ncols, int **cols,
-                         double **JFD, int tid);
-       void LineRelax_al_omp(double *dv,
-                         int const j, int const k, int const nvar,
-                         int const n1, int const n2, int const n3,
-                         double const *rhs, int const *ncols,
-                         int **cols, double **JFD, int tid);
-       void relax_omp(double *dv, int const nvar, int const n1, int const n2, int const n3,
-                  double const *rhs, int const *ncols, int **cols, double **JFD);
-
        void Solve();
        void set_initial_guess(derivs v);
        int index(int i, int j, int k, int l, int a, int b, int c, int d);
@@ -151,11 +116,23 @@ public:
        double BY_KKofxyz(double x, double y, double z);
        void SetMatrix_JFD(int nvar, int n1, int n2, int n3, derivs u, int *ncols, int **cols, double **Matrix);
        void J_times_dv(int nvar, int n1, int n2, int n3, derivs dv, double *Jdv, derivs u);
+       void relax(double *dv, int const nvar, int const n1, int const n2, int const n3,
+                  double const *rhs, int const *ncols, int **cols, double **JFD);
+       void LineRelax_be(double *dv,
+                         int const i, int const k, int const nvar,
+                         int const n1, int const n2, int const n3,
+                         double const *rhs, int const *ncols, int **cols,
+                         double **JFD);
        void JFD_times_dv(int i, int j, int k, int nvar, int n1, int n2,
                          int n3, derivs dv, derivs u, double *values);
        void LinEquations(double A, double B, double X, double R,
                          double x, double r, double phi,
                          double y, double z, derivs dU, derivs U, double *values);
+       void LineRelax_al(double *dv,
+                         int const j, int const k, int const nvar,
+                         int const n1, int const n2, int const n3,
+                         double const *rhs, int const *ncols,
+                         int **cols, double **JFD);
        void ThomasAlgorithm(int N, double *b, double *a, double *c, double *x, double *q);
        void Save(char *fname);
        // provided by Vasileios Paschalidis (vpaschal@illinois.edu)
@@ -164,4 +141,4 @@ public:
        void SpecCoef(parameters par, int ivar, double *v, double *cf);
 };
 
-#endif /* TWO_PUNCTURES_H */
+#endif /* TWO_PUNCTURES_H */

AMSS_NCKU_source/bssn_rhs.f90

@@ -106,8 +106,7 @@
   call getpbh(BHN,Porg,Mass)
 #endif
 
-!!! sanity check (disabled in production builds for performance)
+!!! sanity check
-#ifdef DEBUG
   dX = sum(chi)+sum(trK)+sum(dxx)+sum(gxy)+sum(gxz)+sum(dyy)+sum(gyz)+sum(dzz) &
       +sum(Axx)+sum(Axy)+sum(Axz)+sum(Ayy)+sum(Ayz)+sum(Azz)                   &
       +sum(Gamx)+sum(Gamy)+sum(Gamz)                                           &
@@ -137,7 +136,6 @@
      gont = 1
      return
   endif
-#endif
 
   PI = dacos(-ONE)
 
@@ -161,8 +159,36 @@
 
   chi_rhs = F2o3 *chin1*( alpn1 * trK - div_beta ) !rhs for chi
 
+  call fderivs(ex,dxx,gxxx,gxxy,gxxz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
+  call fderivs(ex,gxy,gxyx,gxyy,gxyz,X,Y,Z,ANTI,ANTI,SYM ,Symmetry,Lev)
+  call fderivs(ex,gxz,gxzx,gxzy,gxzz,X,Y,Z,ANTI,SYM ,ANTI,Symmetry,Lev)
+  call fderivs(ex,dyy,gyyx,gyyy,gyyz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
+  call fderivs(ex,gyz,gyzx,gyzy,gyzz,X,Y,Z,SYM ,ANTI,ANTI,Symmetry,Lev)
+  call fderivs(ex,dzz,gzzx,gzzy,gzzz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
 
+  gxx_rhs = - TWO * alpn1 * Axx    -  F2o3 * gxx * div_beta          + &
+              TWO *(  gxx * betaxx +   gxy * betayx +   gxz * betazx)
 
+  gyy_rhs = - TWO * alpn1 * Ayy    -  F2o3 * gyy * div_beta          + &
+              TWO *(  gxy * betaxy +   gyy * betayy +   gyz * betazy)
+
+  gzz_rhs = - TWO * alpn1 * Azz    -  F2o3 * gzz * div_beta          + &
+              TWO *(  gxz * betaxz +   gyz * betayz +   gzz * betazz)
+
+  gxy_rhs = - TWO * alpn1 * Axy    +  F1o3 * gxy    * div_beta       + &
+                      gxx * betaxy                  +   gxz * betazy + &
+                                       gyy * betayx +   gyz * betazx   &
+                                                    -   gxy * betazz
+
+  gyz_rhs = - TWO * alpn1 * Ayz    +  F1o3 * gyz    * div_beta       + &
+                      gxy * betaxz +   gyy * betayz                  + &
+                      gxz * betaxy                  +   gzz * betazy   &
+                                                    -   gyz * betaxx
+ 
+  gxz_rhs = - TWO * alpn1 * Axz    +  F1o3 * gxz    * div_beta       + &
+                      gxx * betaxz +   gxy * betayz                  + &
+                                       gyz * betayx +   gzz * betazx   &
+                                                    -   gxz * betayy     !rhs for gij
 
 ! invert tilted metric
   gupzz =  gxx * gyy * gzz + gxy * gyz * gxz + gxz * gxy * gyz - &
@@ -173,12 +199,7 @@
   gupyy =   ( gxx * gzz - gxz * gxz ) / gupzz
   gupyz = - ( gxx * gyz - gxy * gxz ) / gupzz
   gupzz =   ( gxx * gyy - gxy * gxy ) / gupzz
-  call fderivs(ex,dxx,gxxx,gxxy,gxxz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
+
-  call fderivs(ex,gxy,gxyx,gxyy,gxyz,X,Y,Z,ANTI,ANTI,SYM ,Symmetry,Lev)
-  call fderivs(ex,gxz,gxzx,gxzy,gxzz,X,Y,Z,ANTI,SYM ,ANTI,Symmetry,Lev)
-  call fderivs(ex,dyy,gyyx,gyyy,gyyz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
-  call fderivs(ex,gyz,gyzx,gyzy,gyzz,X,Y,Z,SYM ,ANTI,ANTI,Symmetry,Lev)
-  call fderivs(ex,dzz,gzzx,gzzy,gzzz,X,Y,Z,SYM ,SYM ,SYM ,Symmetry,Lev)
   if(co == 0)then
 ! Gam^i_Res = Gam^i + gup^ij_,j
   Gmx_Res = Gamx - (gupxx*(gupxx*gxxx+gupxy*gxyx+gupxz*gxzx)&
@@ -924,99 +945,99 @@
 
 !!!!!!!!!advection term part
 
-  gxx_rhs = - TWO * alpn1 * Axx    -  F2o3 * gxx * div_beta          + &
-              TWO *(  gxx * betaxx +   gxy * betayx +   gxz * betazx)
-
-  gyy_rhs = - TWO * alpn1 * Ayy    -  F2o3 * gyy * div_beta          + &
-              TWO *(  gxy * betaxy +   gyy * betayy +   gyz * betazy)
-
-  gzz_rhs = - TWO * alpn1 * Azz    -  F2o3 * gzz * div_beta          + &
-              TWO *(  gxz * betaxz +   gyz * betayz +   gzz * betazz)
-
-  gxy_rhs = - TWO * alpn1 * Axy    +  F1o3 * gxy    * div_beta       + &
-                      gxx * betaxy                  +   gxz * betazy + &
-                                        gyy * betayx +   gyz * betazx   &
-                                                    -   gxy * betazz
-
-  gyz_rhs = - TWO * alpn1 * Ayz    +  F1o3 * gyz    * div_beta       + &
-                      gxy * betaxz +   gyy * betayz                  + &
-                      gxz * betaxy                  +   gzz * betazy   &
-                                                    -   gyz * betaxx
-
-  gxz_rhs = - TWO * alpn1 * Axz    +  F1o3 * gxz    * div_beta       + &
-                      gxx * betaxz +   gxy * betayz                  + &
-                                        gyz * betayx +   gzz * betazx   &
-                                                    -   gxz * betayy     !rhs for gij
-
-
-
-
-
-  if(eps>0)then 
-! usual Kreiss-Oliger dissipation     
-  call merge_lopsided_kodis(ex,X,Y,Z,chi,chi_rhs,betax,betay,betaz,Symmetry,SSS,eps) 
-  call merge_lopsided_kodis(ex,X,Y,Z,gxx,gxx_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,gxy,gxy_rhs,betax,betay,betaz,Symmetry,AAS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,gxz,gxz_rhs,betax,betay,betaz,Symmetry,ASA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,gyy,gyy_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,gyz,gyz_rhs,betax,betay,betaz,Symmetry,SAA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,gzz,gzz_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Axx,Axx_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Axy,Axy_rhs,betax,betay,betaz,Symmetry,AAS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Axz,Axz_rhs,betax,betay,betaz,Symmetry,ASA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Ayy,Ayy_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Ayz,Ayz_rhs,betax,betay,betaz,Symmetry,SAA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Azz,Azz_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,chi,chi_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,trK,trK_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Gamx,Gamx_rhs,betax,betay,betaz,Symmetry,ASS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Gamy,Gamy_rhs,betax,betay,betaz,Symmetry,SAS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Gamz,Gamz_rhs,betax,betay,betaz,Symmetry,SSA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,Lap,Lap_rhs,betax,betay,betaz,Symmetry,SSS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,betax,betax_rhs,betax,betay,betaz,Symmetry,ASS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,betay,betay_rhs,betax,betay,betaz,Symmetry,SAS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,betaz,betaz_rhs,betax,betay,betaz,Symmetry,SSA,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,dtSfx,dtSfx_rhs,betax,betay,betaz,Symmetry,ASS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,dtSfy,dtSfy_rhs,betax,betay,betaz,Symmetry,SAS,eps)
-  call merge_lopsided_kodis(ex,X,Y,Z,dtSfz,dtSfz_rhs,betax,betay,betaz,Symmetry,SSA,eps)
-
-
-
-
-
-
-
-
-
-
-
-
-  else 
   call lopsided(ex,X,Y,Z,gxx,gxx_rhs,betax,betay,betaz,Symmetry,SSS)
   call lopsided(ex,X,Y,Z,gxy,gxy_rhs,betax,betay,betaz,Symmetry,AAS)
   call lopsided(ex,X,Y,Z,gxz,gxz_rhs,betax,betay,betaz,Symmetry,ASA)
   call lopsided(ex,X,Y,Z,gyy,gyy_rhs,betax,betay,betaz,Symmetry,SSS)
   call lopsided(ex,X,Y,Z,gyz,gyz_rhs,betax,betay,betaz,Symmetry,SAA)
   call lopsided(ex,X,Y,Z,gzz,gzz_rhs,betax,betay,betaz,Symmetry,SSS)
+
   call lopsided(ex,X,Y,Z,Axx,Axx_rhs,betax,betay,betaz,Symmetry,SSS)
   call lopsided(ex,X,Y,Z,Axy,Axy_rhs,betax,betay,betaz,Symmetry,AAS)
   call lopsided(ex,X,Y,Z,Axz,Axz_rhs,betax,betay,betaz,Symmetry,ASA)
   call lopsided(ex,X,Y,Z,Ayy,Ayy_rhs,betax,betay,betaz,Symmetry,SSS)
   call lopsided(ex,X,Y,Z,Ayz,Ayz_rhs,betax,betay,betaz,Symmetry,SAA)
   call lopsided(ex,X,Y,Z,Azz,Azz_rhs,betax,betay,betaz,Symmetry,SSS)
+
   call lopsided(ex,X,Y,Z,chi,chi_rhs,betax,betay,betaz,Symmetry,SSS)
   call lopsided(ex,X,Y,Z,trK,trK_rhs,betax,betay,betaz,Symmetry,SSS)
+
   call lopsided(ex,X,Y,Z,Gamx,Gamx_rhs,betax,betay,betaz,Symmetry,ASS)
   call lopsided(ex,X,Y,Z,Gamy,Gamy_rhs,betax,betay,betaz,Symmetry,SAS)
   call lopsided(ex,X,Y,Z,Gamz,Gamz_rhs,betax,betay,betaz,Symmetry,SSA)
+!!
   call lopsided(ex,X,Y,Z,Lap,Lap_rhs,betax,betay,betaz,Symmetry,SSS)
+
+#if (GAUGE == 0 || GAUGE == 1 || GAUGE == 2 || GAUGE == 3 || GAUGE == 4 || GAUGE == 5 || GAUGE == 6 || GAUGE == 7)
   call lopsided(ex,X,Y,Z,betax,betax_rhs,betax,betay,betaz,Symmetry,ASS)
   call lopsided(ex,X,Y,Z,betay,betay_rhs,betax,betay,betaz,Symmetry,SAS)
   call lopsided(ex,X,Y,Z,betaz,betaz_rhs,betax,betay,betaz,Symmetry,SSA)
+#endif
+
+#if (GAUGE == 0 || GAUGE == 2 || GAUGE == 3 || GAUGE == 6 || GAUGE == 7)
   call lopsided(ex,X,Y,Z,dtSfx,dtSfx_rhs,betax,betay,betaz,Symmetry,ASS)
   call lopsided(ex,X,Y,Z,dtSfy,dtSfy_rhs,betax,betay,betaz,Symmetry,SAS)
   call lopsided(ex,X,Y,Z,dtSfz,dtSfz_rhs,betax,betay,betaz,Symmetry,SSA)
+#endif
 
+  if(eps>0)then 
+! usual Kreiss-Oliger dissipation      
+  call kodis(ex,X,Y,Z,chi,chi_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,trK,trK_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,dxx,gxx_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,gxy,gxy_rhs,AAS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,gxz,gxz_rhs,ASA,Symmetry,eps)
+  call kodis(ex,X,Y,Z,dyy,gyy_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,gyz,gyz_rhs,SAA,Symmetry,eps)
+  call kodis(ex,X,Y,Z,dzz,gzz_rhs,SSS,Symmetry,eps)
+#if 0
+#define i 42
+#define j 40
+#define k 40
+if(Lev == 1)then
+write(*,*) X(i),Y(j),Z(k)
+write(*,*) "before",Axx_rhs(i,j,k)
+endif
+#undef i
+#undef j
+#undef k
+!!stop
+#endif
+  call kodis(ex,X,Y,Z,Axx,Axx_rhs,SSS,Symmetry,eps)
+#if 0
+#define i 42
+#define j 40
+#define k 40
+if(Lev == 1)then
+write(*,*) X(i),Y(j),Z(k)
+write(*,*) "after",Axx_rhs(i,j,k)
+endif
+#undef i
+#undef j
+#undef k
+!!stop
+#endif
+  call kodis(ex,X,Y,Z,Axy,Axy_rhs,AAS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Axz,Axz_rhs,ASA,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Ayy,Ayy_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Ayz,Ayz_rhs,SAA,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Azz,Azz_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Gamx,Gamx_rhs,ASS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Gamy,Gamy_rhs,SAS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,Gamz,Gamz_rhs,SSA,Symmetry,eps)
+
+#if 1 
+!! bam does not apply dissipation on gauge variables
+  call kodis(ex,X,Y,Z,Lap,Lap_rhs,SSS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,betax,betax_rhs,ASS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,betay,betay_rhs,SAS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,betaz,betaz_rhs,SSA,Symmetry,eps)
+#if (GAUGE == 0 || GAUGE == 2 || GAUGE == 3 || GAUGE == 6 || GAUGE == 7)
+  call kodis(ex,X,Y,Z,dtSfx,dtSfx_rhs,ASS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,dtSfy,dtSfy_rhs,SAS,Symmetry,eps)
+  call kodis(ex,X,Y,Z,dtSfz,dtSfz_rhs,SSA,Symmetry,eps)
+#endif
+#endif
 
   endif
 
@@ -1163,265 +1184,3 @@ endif
   return
 
   end function compute_rhs_bssn
-
-
-
-
-  subroutine merge_lopsided_kodis(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA,eps)
-    implicit none
-
-  !~~~~~~> Input parameters:
-
-    integer, intent(in)  :: ex(1:3),Symmetry
-    real*8,  intent(in)  :: X(1:ex(1)),Y(1:ex(2)),Z(1:ex(3))
-    real*8,dimension(ex(1),ex(2),ex(3)),intent(in)   :: f,Sfx,Sfy,Sfz
-
-    real*8,dimension(ex(1),ex(2),ex(3)),intent(inout):: f_rhs
-    real*8,dimension(3),intent(in) ::SoA
-
-  !~~~~~~> local variables:
-  ! note index -2,-1,0, so we have 3 extra points
-    real*8,dimension(-2:ex(1),-2:ex(2),-2:ex(3))   :: fh
-    integer :: imin_lopsided,jmin_lopsided,kmin_lopsided,imin_kodis,jmin_kodis,kmin_kodis,imax,jmax,kmax,i,j,k
-    real*8 :: dX,dY,dZ
-    real*8 :: d12dx,d12dy,d12dz,d2dx,d2dy,d2dz
-    real*8,  parameter :: ZEO=0.d0,ONE=1.d0, F3=3.d0
-    real*8,  parameter :: TWO=2.d0,F6=6.0d0,F18=1.8d1
-    real*8,  parameter :: F12=1.2d1, F10=1.d1,EIT=8.d0
-    integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
-    real*8, parameter :: SIX=6.d0,FIT=1.5d1,TWT=2.d1
-    real*8,parameter::cof=6.4d1   ! 2^6
-    real*8,intent(in) :: eps
-    dX = X(2)-X(1)
-    dY = Y(2)-Y(1)
-    dZ = Z(2)-Z(1)
-
-    d12dx = ONE/F12/dX
-    d12dy = ONE/F12/dY
-    d12dz = ONE/F12/dZ
-
-    d2dx = ONE/TWO/dX
-    d2dy = ONE/TWO/dY
-    d2dz = ONE/TWO/dZ
-
-    imax = ex(1)
-    jmax = ex(2)
-    kmax = ex(3)
-
-    imin_lopsided = 1
-    jmin_lopsided = 1
-    kmin_lopsided = 1
-    if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin_lopsided = -2
-    if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin_lopsided = -2
-    if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin_lopsided = -2
-
-    imin_kodis = 1
-    jmin_kodis = 1
-    kmin_kodis = 1
-
-    if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin_kodis = -2
-    if(Symmetry == OCTANT .and. dabs(X(1)) < dX) imin_kodis = -2
-    if(Symmetry == OCTANT .and. dabs(Y(1)) < dY) jmin_kodis = -2
-
-
-    call symmetry_bd(3,ex,f,fh,SoA)
-
-  ! upper bound set ex-1 only for efficiency, 
-  ! the loop body will set ex 0 also
-    do k=1,ex(3)-1
-    do j=1,ex(2)-1
-    do i=1,ex(1)-1
-
-  !! new code, 2012dec27, based on bam
-  ! x direction   
-      if(Sfx(i,j,k) > ZEO)then
-        if(i+3 <= imax)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfx(i,j,k)*d12dx*(-F3*fh(i-1,j,k)-F10*fh(i,j,k)+F18*fh(i+1,j,k) &
-                                      -F6*fh(i+2,j,k)+    fh(i+3,j,k))
-      elseif(i+2 <= imax)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfx(i,j,k)*d12dx*(fh(i-2,j,k)-EIT*fh(i-1,j,k)+EIT*fh(i+1,j,k)-fh(i+2,j,k))
-
-      elseif(i+1 <= imax)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfx(i,j,k)*d12dx*(-F3*fh(i+1,j,k)-F10*fh(i,j,k)+F18*fh(i-1,j,k) &
-                                      -F6*fh(i-2,j,k)+    fh(i-3,j,k))
-  ! set imax and imin_lopsided 0
-      endif
-    elseif(Sfx(i,j,k) < ZEO)then
-        if(i-3 >= imin_lopsided)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfx(i,j,k)*d12dx*(-F3*fh(i+1,j,k)-F10*fh(i,j,k)+F18*fh(i-1,j,k) &
-                                      -F6*fh(i-2,j,k)+    fh(i-3,j,k))
-      elseif(i-2 >= imin_lopsided)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfx(i,j,k)*d12dx*(fh(i-2,j,k)-EIT*fh(i-1,j,k)+EIT*fh(i+1,j,k)-fh(i+2,j,k))
-
-      elseif(i-1 >= imin_lopsided)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfx(i,j,k)*d12dx*(-F3*fh(i-1,j,k)-F10*fh(i,j,k)+F18*fh(i+1,j,k) &
-                                      -F6*fh(i+2,j,k)+    fh(i+3,j,k))
-  ! set imax and imin_lopsided 0
-      endif
-    endif
-
-  ! y direction   
-      if(Sfy(i,j,k) > ZEO)then
-        if(j+3 <= jmax)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfy(i,j,k)*d12dy*(-F3*fh(i,j-1,k)-F10*fh(i,j,k)+F18*fh(i,j+1,k) &
-                                      -F6*fh(i,j+2,k)+    fh(i,j+3,k))
-      elseif(j+2 <= jmax)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfy(i,j,k)*d12dy*(fh(i,j-2,k)-EIT*fh(i,j-1,k)+EIT*fh(i,j+1,k)-fh(i,j+2,k))
-
-      elseif(j+1 <= jmax)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfy(i,j,k)*d12dy*(-F3*fh(i,j+1,k)-F10*fh(i,j,k)+F18*fh(i,j-1,k) &
-                                      -F6*fh(i,j-2,k)+    fh(i,j-3,k))
-  ! set imax and imin_lopsided 0
-      endif
-    elseif(Sfy(i,j,k) < ZEO)then
-        if(j-3 >= jmin_lopsided)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfy(i,j,k)*d12dy*(-F3*fh(i,j+1,k)-F10*fh(i,j,k)+F18*fh(i,j-1,k) &
-                                      -F6*fh(i,j-2,k)+    fh(i,j-3,k))
-      elseif(j-2 >= jmin_lopsided)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfy(i,j,k)*d12dy*(fh(i,j-2,k)-EIT*fh(i,j-1,k)+EIT*fh(i,j+1,k)-fh(i,j+2,k))
-
-      elseif(j-1 >= jmin_lopsided)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfy(i,j,k)*d12dy*(-F3*fh(i,j-1,k)-F10*fh(i,j,k)+F18*fh(i,j+1,k) &
-                                      -F6*fh(i,j+2,k)+    fh(i,j+3,k))
-  ! set jmax and jmin_lopsided 0
-      endif
-    endif
-
-  ! z direction   
-      if(Sfz(i,j,k) > ZEO)then
-        if(k+3 <= kmax)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k-1)-F10*fh(i,j,k)+F18*fh(i,j,k+1) &
-                                      -F6*fh(i,j,k+2)+    fh(i,j,k+3))
-      elseif(k+2 <= kmax)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfz(i,j,k)*d12dz*(fh(i,j,k-2)-EIT*fh(i,j,k-1)+EIT*fh(i,j,k+1)-fh(i,j,k+2))
-
-      elseif(k+1 <= kmax)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k+1)-F10*fh(i,j,k)+F18*fh(i,j,k-1) &
-                                      -F6*fh(i,j,k-2)+    fh(i,j,k-3))
-  ! set imax and imin_lopsided 0
-      endif
-    elseif(Sfz(i,j,k) < ZEO)then
-        if(k-3 >= kmin_lopsided)then
-  !         v
-  ! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
-  !  i     12dx       i-v      i      i+v     i+2v    i+3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
-                    Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k+1)-F10*fh(i,j,k)+F18*fh(i,j,k-1) &
-                                      -F6*fh(i,j,k-2)+    fh(i,j,k-3))
-      elseif(k-2 >= kmin_lopsided)then
-  !
-  !              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
-  !  fx(i) = ---------------------------------------------
-  !                             12 dx
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
-                    Sfz(i,j,k)*d12dz*(fh(i,j,k-2)-EIT*fh(i,j,k-1)+EIT*fh(i,j,k+1)-fh(i,j,k+2))
-
-      elseif(k-1 >= kmin_lopsided)then
-  !         v
-  ! D f = ------[   3f    + 10f  - 18f    + 6f     - f     ]
-  !  i     12dx       i+v      i      i-v     i-2v    i-3v
-      f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
-                    Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k-1)-F10*fh(i,j,k)+F18*fh(i,j,k+1) &
-                                      -F6*fh(i,j,k+2)+    fh(i,j,k+3))
-  ! set kmax and kmin_lopsided 0
-      endif
-    endif
-
-
-    if(i-3 >= imin_kodis .and. i+3 <= imax .and. &
-      j-3 >= jmin_kodis .and. j+3 <= jmax .and. &
-      k-3 >= kmin_kodis .and. k+3 <= kmax) then
-
-  ! calculation order if important ?
-    f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/cof *( (     &
-                                (fh(i-3,j,k)+fh(i+3,j,k)) - &
-                            SIX*(fh(i-2,j,k)+fh(i+2,j,k)) + &
-                            FIT*(fh(i-1,j,k)+fh(i+1,j,k)) - &
-                            TWT* fh(i,j,k)            )/dX + &
-                                                    (     &
-                                (fh(i,j-3,k)+fh(i,j+3,k)) - &
-                            SIX*(fh(i,j-2,k)+fh(i,j+2,k)) + &
-                            FIT*(fh(i,j-1,k)+fh(i,j+1,k)) - &
-                            TWT* fh(i,j,k)            )/dY + &
-                                                    (     &
-                                (fh(i,j,k-3)+fh(i,j,k+3)) - &
-                            SIX*(fh(i,j,k-2)+fh(i,j,k+2)) + &
-                            FIT*(fh(i,j,k-1)+fh(i,j,k+1)) - &
-                            TWT* fh(i,j,k)            )/dZ )
-
-    endif
-
-    enddo
-    enddo
-    enddo
-
-    return
-
-
-
-  end subroutine merge_lopsided_kodis

AMSS_NCKU_source/enforce_algebra.f90

@@ -18,61 +18,49 @@
   real*8, dimension(ex(1),ex(2),ex(3)), intent(inout) :: Ayy,Ayz,Azz
 
 !~~~~~~~> Local variable:
-
+  
-  integer :: i,j,k
+  real*8, dimension(ex(1),ex(2),ex(3)) :: trA,detg
-  real*8 :: lgxx,lgyy,lgzz,ldetg
+  real*8, dimension(ex(1),ex(2),ex(3)) :: gxx,gyy,gzz 
-  real*8 :: lgupxx,lgupxy,lgupxz,lgupyy,lgupyz,lgupzz
+  real*8, dimension(ex(1),ex(2),ex(3)) :: gupxx,gupxy,gupxz,gupyy,gupyz,gupzz
-  real*8 :: ltrA,lscale
   real*8, parameter :: F1o3 = 1.D0 / 3.D0, ONE = 1.D0, TWO = 2.D0
 
 !~~~~~~>
 
-  do k=1,ex(3)
+  gxx = dxx + ONE
-  do j=1,ex(2)
+  gyy = dyy + ONE
-  do i=1,ex(1)
+  gzz = dzz + ONE
 
-    lgxx = dxx(i,j,k) + ONE
+  detg =  gxx * gyy * gzz + gxy * gyz * gxz + gxz * gxy * gyz - &
-    lgyy = dyy(i,j,k) + ONE
+          gxz * gyy * gxz - gxy * gxy * gzz - gxx * gyz * gyz
-    lgzz = dzz(i,j,k) + ONE
+  gupxx =   ( gyy * gzz - gyz * gyz ) / detg
+  gupxy = - ( gxy * gzz - gyz * gxz ) / detg
+  gupxz =   ( gxy * gyz - gyy * gxz ) / detg
+  gupyy =   ( gxx * gzz - gxz * gxz ) / detg
+  gupyz = - ( gxx * gyz - gxy * gxz ) / detg
+  gupzz =   ( gxx * gyy - gxy * gxy ) / detg
 
-    ldetg =  lgxx * lgyy * lgzz &
+  trA =         gupxx * Axx + gupyy * Ayy + gupzz * Azz &
-           + gxy(i,j,k) * gyz(i,j,k) * gxz(i,j,k) &
+       + TWO * (gupxy * Axy + gupxz * Axz + gupyz * Ayz)
-           + gxz(i,j,k) * gxy(i,j,k) * gyz(i,j,k) &
-           - gxz(i,j,k) * lgyy * gxz(i,j,k) &
-           - gxy(i,j,k) * gxy(i,j,k) * lgzz &
-           - lgxx * gyz(i,j,k) * gyz(i,j,k)
 
-    lgupxx =   ( lgyy * lgzz - gyz(i,j,k) * gyz(i,j,k) ) / ldetg
+  Axx = Axx - F1o3 * gxx * trA
-    lgupxy = - ( gxy(i,j,k) * lgzz - gyz(i,j,k) * gxz(i,j,k) ) / ldetg
+  Axy = Axy - F1o3 * gxy * trA
-    lgupxz =   ( gxy(i,j,k) * gyz(i,j,k) - lgyy * gxz(i,j,k) ) / ldetg
+  Axz = Axz - F1o3 * gxz * trA
-    lgupyy =   ( lgxx * lgzz - gxz(i,j,k) * gxz(i,j,k) ) / ldetg
+  Ayy = Ayy - F1o3 * gyy * trA
-    lgupyz = - ( lgxx * gyz(i,j,k) - gxy(i,j,k) * gxz(i,j,k) ) / ldetg
+  Ayz = Ayz - F1o3 * gyz * trA
-    lgupzz =   ( lgxx * lgyy - gxy(i,j,k) * gxy(i,j,k) ) / ldetg
+  Azz = Azz - F1o3 * gzz * trA
 
-    ltrA =         lgupxx * Axx(i,j,k) + lgupyy * Ayy(i,j,k) &
+  detg = ONE / ( detg ** F1o3 ) 
-                 + lgupzz * Azz(i,j,k) &
+  
-         + TWO * (lgupxy * Axy(i,j,k) + lgupxz * Axz(i,j,k) &
+  gxx = gxx * detg
-                 + lgupyz * Ayz(i,j,k))
+  gxy = gxy * detg
+  gxz = gxz * detg
+  gyy = gyy * detg
+  gyz = gyz * detg
+  gzz = gzz * detg
 
-    Axx(i,j,k) = Axx(i,j,k) - F1o3 * lgxx * ltrA
+  dxx = gxx - ONE
-    Axy(i,j,k) = Axy(i,j,k) - F1o3 * gxy(i,j,k) * ltrA
+  dyy = gyy - ONE
-    Axz(i,j,k) = Axz(i,j,k) - F1o3 * gxz(i,j,k) * ltrA
+  dzz = gzz - ONE
-    Ayy(i,j,k) = Ayy(i,j,k) - F1o3 * lgyy * ltrA
-    Ayz(i,j,k) = Ayz(i,j,k) - F1o3 * gyz(i,j,k) * ltrA
-    Azz(i,j,k) = Azz(i,j,k) - F1o3 * lgzz * ltrA
-
-    lscale = ONE / ( ldetg ** F1o3 )
-
-    dxx(i,j,k) = lgxx * lscale - ONE
-    gxy(i,j,k) = gxy(i,j,k) * lscale
-    gxz(i,j,k) = gxz(i,j,k) * lscale
-    dyy(i,j,k) = lgyy * lscale - ONE
-    gyz(i,j,k) = gyz(i,j,k) * lscale
-    dzz(i,j,k) = lgzz * lscale - ONE
-
-  enddo
-  enddo
-  enddo
 
   return
 
@@ -94,71 +82,51 @@
   real*8, dimension(ex(1),ex(2),ex(3)), intent(inout) :: Ayy,Ayz,Azz
 
 !~~~~~~~> Local variable:
-
+  
-  integer :: i,j,k
+  real*8, dimension(ex(1),ex(2),ex(3)) :: trA
-  real*8 :: lgxx,lgyy,lgzz,lscale
+  real*8, dimension(ex(1),ex(2),ex(3)) :: gxx,gyy,gzz 
-  real*8 :: lgxy,lgxz,lgyz
+  real*8, dimension(ex(1),ex(2),ex(3)) :: gupxx,gupxy,gupxz,gupyy,gupyz,gupzz
-  real*8 :: lgupxx,lgupxy,lgupxz,lgupyy,lgupyz,lgupzz
-  real*8 :: ltrA
   real*8, parameter :: F1o3 = 1.D0 / 3.D0, ONE = 1.D0, TWO = 2.D0
 
 !~~~~~~>
 
-  do k=1,ex(3)
+  gxx = dxx + ONE
-  do j=1,ex(2)
+  gyy = dyy + ONE
-  do i=1,ex(1)
+  gzz = dzz + ONE
+! for g
+  gupzz =  gxx * gyy * gzz + gxy * gyz * gxz + gxz * gxy * gyz - &
+           gxz * gyy * gxz - gxy * gxy * gzz - gxx * gyz * gyz
 
-! for g: normalize determinant first
+  gupzz = ONE / ( gupzz ** F1o3 ) 
-    lgxx = dxx(i,j,k) + ONE
+  
-    lgyy = dyy(i,j,k) + ONE
+  gxx = gxx * gupzz
-    lgzz = dzz(i,j,k) + ONE
+  gxy = gxy * gupzz
-    lgxy = gxy(i,j,k)
+  gxz = gxz * gupzz
-    lgxz = gxz(i,j,k)
+  gyy = gyy * gupzz
-    lgyz = gyz(i,j,k)
+  gyz = gyz * gupzz
+  gzz = gzz * gupzz
 
-    lscale =  lgxx * lgyy * lgzz + lgxy * lgyz * lgxz &
+  dxx = gxx - ONE
-            + lgxz * lgxy * lgyz - lgxz * lgyy * lgxz &
+  dyy = gyy - ONE
-            - lgxy * lgxy * lgzz - lgxx * lgyz * lgyz
+  dzz = gzz - ONE
+! for A  
 
-    lscale = ONE / ( lscale ** F1o3 )
+  gupxx =   ( gyy * gzz - gyz * gyz )
+  gupxy = - ( gxy * gzz - gyz * gxz )
+  gupxz =   ( gxy * gyz - gyy * gxz )
+  gupyy =   ( gxx * gzz - gxz * gxz )
+  gupyz = - ( gxx * gyz - gxy * gxz )
+  gupzz =   ( gxx * gyy - gxy * gxy )
 
-    lgxx = lgxx * lscale
+  trA =         gupxx * Axx + gupyy * Ayy + gupzz * Azz &
-    lgxy = lgxy * lscale
+       + TWO * (gupxy * Axy + gupxz * Axz + gupyz * Ayz)
-    lgxz = lgxz * lscale
-    lgyy = lgyy * lscale
-    lgyz = lgyz * lscale
-    lgzz = lgzz * lscale
 
-    dxx(i,j,k) = lgxx - ONE
+  Axx = Axx - F1o3 * gxx * trA
-    gxy(i,j,k) = lgxy
+  Axy = Axy - F1o3 * gxy * trA
-    gxz(i,j,k) = lgxz
+  Axz = Axz - F1o3 * gxz * trA
-    dyy(i,j,k) = lgyy - ONE
+  Ayy = Ayy - F1o3 * gyy * trA
-    gyz(i,j,k) = lgyz
+  Ayz = Ayz - F1o3 * gyz * trA
-    dzz(i,j,k) = lgzz - ONE
+  Azz = Azz - F1o3 * gzz * trA
-
-! for A: trace-free using normalized metric (det=1, no division needed)
-    lgupxx =   ( lgyy * lgzz - lgyz * lgyz )
-    lgupxy = - ( lgxy * lgzz - lgyz * lgxz )
-    lgupxz =   ( lgxy * lgyz - lgyy * lgxz )
-    lgupyy =   ( lgxx * lgzz - lgxz * lgxz )
-    lgupyz = - ( lgxx * lgyz - lgxy * lgxz )
-    lgupzz =   ( lgxx * lgyy - lgxy * lgxy )
-
-    ltrA =         lgupxx * Axx(i,j,k) + lgupyy * Ayy(i,j,k) &
-                 + lgupzz * Azz(i,j,k) &
-         + TWO * (lgupxy * Axy(i,j,k) + lgupxz * Axz(i,j,k) &
-                 + lgupyz * Ayz(i,j,k))
-
-    Axx(i,j,k) = Axx(i,j,k) - F1o3 * lgxx * ltrA
-    Axy(i,j,k) = Axy(i,j,k) - F1o3 * lgxy * ltrA
-    Axz(i,j,k) = Axz(i,j,k) - F1o3 * lgxz * ltrA
-    Ayy(i,j,k) = Ayy(i,j,k) - F1o3 * lgyy * ltrA
-    Ayz(i,j,k) = Ayz(i,j,k) - F1o3 * lgyz * ltrA
-    Azz(i,j,k) = Azz(i,j,k) - F1o3 * lgzz * ltrA
-
-  enddo
-  enddo
-  enddo
 
   return
 

AMSS_NCKU_source/fmisc.f90

@@ -324,10 +324,10 @@ subroutine symmetry_bd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
-      
+      funcc(-i,1:extc(2),1:extc(3)) = funcc(i+2,1:extc(2),1:extc(3))*SoA(1)
-    funcc(-i,1:extc(2),1:extc(3)) = funcc(i+2,1:extc(2),1:extc(3))*SoA(1)
    enddo
    do i=0,ord-1
       funcc(:,-i,1:extc(3)) = funcc(:,i+2,1:extc(3))*SoA(2)
@@ -350,6 +350,7 @@ subroutine symmetry_tbd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
       funcc(-i,1:extc(2),1:extc(3)) = funcc(i+2,1:extc(2),1:extc(3))*SoA(1)
@@ -378,6 +379,7 @@ subroutine symmetry_stbd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
       funcc(-i,1:extc(2),1:extc(3)) = funcc(i+2,1:extc(2),1:extc(3))*SoA(1)
@@ -884,6 +886,7 @@ subroutine symmetry_bd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
       funcc(-i,1:extc(2),1:extc(3)) = funcc(i+1,1:extc(2),1:extc(3))*SoA(1)
@@ -909,6 +912,7 @@ subroutine symmetry_tbd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
       funcc(-i,1:extc(2),1:extc(3)) = funcc(i+1,1:extc(2),1:extc(3))*SoA(1)
@@ -937,6 +941,7 @@ subroutine symmetry_stbd(ord,extc,func,funcc,SoA)
 
   integer::i
 
+  funcc = 0.d0
   funcc(1:extc(1),1:extc(2),1:extc(3)) = func
    do i=0,ord-1
       funcc(-i,1:extc(2),1:extc(3)) = funcc(i+1,1:extc(2),1:extc(3))*SoA(1)
@@ -1112,8 +1117,7 @@ end subroutine d2dump
 !------------------------------------------------------------------------------
 ! Lagrangian polynomial interpolation
 !------------------------------------------------------------------------------
-
+ subroutine polint(xa, ya, x, y, dy, ordn)
-  subroutine polint(xa, ya, x, y, dy, ordn)
   implicit none
 
   integer, intent(in) :: ordn
@@ -1125,13 +1129,15 @@ end subroutine d2dump
   real*8, dimension(ordn) :: c, d, ho
   real*8 :: dif, dift, hp, h, den_val
 
+  ! Initialization
   c = ya
   d = ya
   ho = xa - x
-
+  
   ns = 1
   dif = abs(x - xa(1))
-
+  
+  ! Find the index of the closest table entry
   do i = 2, ordn
     dift = abs(x - xa(i))
     if (dift < dif) then
@@ -1142,26 +1148,31 @@ end subroutine d2dump
 
   y = ya(ns)
   ns = ns - 1
-
+  
+  ! Main Neville's algorithm loop
   do m = 1, ordn - 1
     n_m = ordn - m
     do i = 1, n_m
       hp = ho(i)
       h  = ho(i+m)
       den_val = hp - h
-
+      
+      ! Check for division by zero locally
       if (den_val == 0.0d0) then
         write(*,*) 'failure in polint for point',x
         write(*,*) 'with input points: ',xa
         stop
       end if
-
+      
+      ! Reuse den_val to avoid redundant divisions
       den_val = (c(i+1) - d(i)) / den_val
-
+      
+      ! Update c and d in place
       d(i) = h * den_val
       c(i) = hp * den_val
     end do
 
+    ! Decide which path (up or down the tableau) to take
     if (2 * ns < n_m) then
       dy = c(ns + 1)
     else
@@ -1178,92 +1189,68 @@ end subroutine d2dump
 ! interpolation in 2 dimensions, follow yx order
 !
 !------------------------------------------------------------------------------
-  subroutine polin2(x1a,x2a,ya,x1,x2,y,dy,ordn)
+subroutine polin2(x1a,x2a,ya,x1,x2,y,dy,ordn)
-  implicit none
+    implicit none
+    integer,intent(in) :: ordn
+    real*8, dimension(ordn), intent(in) :: x1a,x2a
+    real*8, dimension(ordn,ordn), intent(in) :: ya
+    real*8, intent(in) :: x1,x2
+    real*8, intent(out) :: y,dy
 
-  integer,intent(in) :: ordn
+    integer  :: j
-  real*8, dimension(1:ordn), intent(in) :: x1a,x2a
+    real*8, dimension(ordn) :: ymtmp
-  real*8, dimension(1:ordn,1:ordn), intent(in) :: ya
+    real*8 :: dy_temp ! Local variable to prevent overwriting result
-  real*8, intent(in) :: x1,x2
-  real*8, intent(out) :: y,dy
 
-#ifdef POLINT_LEGACY_ORDER
+    ! Optimized sequence: Loop over columns (j) 
-  integer  :: i,m
+    ! ya(:,j) is a contiguous memory block in Fortran
-  real*8, dimension(ordn) :: ymtmp
+    do j=1,ordn
-  real*8, dimension(ordn) :: yntmp
+      call polint(x1a, ya(:,j), x1, ymtmp(j), dy_temp, ordn)
+    end do
 
-  m=size(x1a)
+    ! Final interpolation on the results
-  do i=1,m
+    call polint(x2a, ymtmp, x2, y, dy, ordn)
-    yntmp=ya(i,:)
-    call polint(x2a,yntmp,x2,ymtmp(i),dy,ordn)
-  end do
-  call polint(x1a,ymtmp,x1,y,dy,ordn)
-#else
-  integer  :: j
-  real*8, dimension(ordn) :: ymtmp
-  real*8 :: dy_temp
 
-  do j=1,ordn
+    return
-    call polint(x1a, ya(:,j), x1, ymtmp(j), dy_temp, ordn)
-  end do
-  call polint(x2a, ymtmp, x2, y, dy, ordn)
-#endif
-
-  return
   end subroutine polin2
 !------------------------------------------------------------------------------
 !
 ! interpolation in 3 dimensions, follow zyx order
 !
 !------------------------------------------------------------------------------
-  subroutine polin3(x1a,x2a,x3a,ya,x1,x2,x3,y,dy,ordn)
+subroutine polin3(x1a,x2a,x3a,ya,x1,x2,x3,y,dy,ordn)
-  implicit none
+    implicit none
+    integer,intent(in) :: ordn
+    real*8, dimension(ordn), intent(in) :: x1a,x2a,x3a
+    real*8, dimension(ordn,ordn,ordn), intent(in) :: ya
+    real*8, intent(in) :: x1,x2,x3
+    real*8, intent(out) :: y,dy
 
-  integer,intent(in) :: ordn
+    integer  :: j, k
-  real*8, dimension(1:ordn), intent(in) :: x1a,x2a,x3a
+    real*8, dimension(ordn,ordn) :: yatmp
-  real*8, dimension(1:ordn,1:ordn,1:ordn), intent(in) :: ya
+    real*8, dimension(ordn) :: ymtmp
-  real*8, intent(in) :: x1,x2,x3
+    real*8 :: dy_temp
-  real*8, intent(out) :: y,dy
 
-#ifdef POLINT_LEGACY_ORDER
+    ! Sequence change: Process the contiguous first dimension (x1) first.
-  integer  :: i,j,m,n
+    ! We loop through the 'slow' planes (j, k) to extract 'fast' columns.
-  real*8, dimension(ordn,ordn) :: yatmp
+    do k=1,ordn
-  real*8, dimension(ordn) :: ymtmp
+      do j=1,ordn
-  real*8, dimension(ordn) :: yntmp
+        ! ya(:,j,k) is contiguous; much faster than ya(i,j,:)
-  real*8, dimension(ordn) :: yqtmp
+        call polint(x1a, ya(:,j,k), x1, yatmp(j,k), dy_temp, ordn)
-
+      end do
-  m=size(x1a)
-  n=size(x2a)
-  do i=1,m
-   do j=1,n
-    yqtmp=ya(i,j,:)
-    call polint(x3a,yqtmp,x3,yatmp(i,j),dy,ordn)
-   end do
-    yntmp=yatmp(i,:)
-    call polint(x2a,yntmp,x2,ymtmp(i),dy,ordn)
-  end do
-  call polint(x1a,ymtmp,x1,y,dy,ordn)
-#else
-  integer  :: j, k
-  real*8, dimension(ordn,ordn) :: yatmp
-  real*8, dimension(ordn) :: ymtmp
-  real*8 :: dy_temp
-
-  do k=1,ordn
-    do j=1,ordn
-      call polint(x1a, ya(:,j,k), x1, yatmp(j,k), dy_temp, ordn)
     end do
-  end do
-  do k=1,ordn
-    call polint(x2a, yatmp(:,k), x2, ymtmp(k), dy_temp, ordn)
-  end do
-  call polint(x3a, ymtmp, x3, y, dy, ordn)
-#endif
 
-  return
+    ! Now process the second dimension
+    do k=1,ordn
+      call polint(x2a, yatmp(:,k), x2, ymtmp(k), dy_temp, ordn)
+    end do
+
+    ! Final dimension
+    call polint(x3a, ymtmp, x3, y, dy, ordn)
+
+    return
   end subroutine polin3
 !--------------------------------------------------------------------------------------
-! calculate L2norm
+! calculate L2norm  
   subroutine l2normhelper(ex, X, Y, Z,xmin,ymin,zmin,xmax,ymax,zmax,&
                           f,f_out,gw)
 
@@ -1280,9 +1267,7 @@ end subroutine d2dump
   real*8            :: dX, dY, dZ
   integer::imin,jmin,kmin
   integer::imax,jmax,kmax
-  integer::i,j,k,n_elements
+  integer::i,j,k
-  real*8, dimension(:), allocatable :: f_flat
-  real*8, external :: DDOT
 
   dX = X(2) - X(1)
   dY = Y(2) - Y(1)
@@ -1306,12 +1291,7 @@ if(dabs(X(1)-xmin) < dX) imin = 1
 if(dabs(Y(1)-ymin) < dY) jmin = 1
 if(dabs(Z(1)-zmin) < dZ) kmin = 1
 
-! Optimized with oneMKL BLAS DDOT for dot product
+f_out = sum(f(imin:imax,jmin:jmax,kmin:kmax)*f(imin:imax,jmin:jmax,kmin:kmax))
-n_elements = (imax-imin+1)*(jmax-jmin+1)*(kmax-kmin+1)
-allocate(f_flat(n_elements))
-f_flat = reshape(f(imin:imax,jmin:jmax,kmin:kmax), [n_elements])
-f_out = DDOT(n_elements, f_flat, 1, f_flat, 1)
-deallocate(f_flat)
 
 f_out = f_out*dX*dY*dZ
 
@@ -1336,9 +1316,7 @@ f_out = f_out*dX*dY*dZ
   real*8            :: dX, dY, dZ
   integer::imin,jmin,kmin
   integer::imax,jmax,kmax
-  integer::i,j,k,n_elements
+  integer::i,j,k
-  real*8, dimension(:), allocatable :: f_flat
-  real*8, external :: DDOT
 
   real*8 :: PIo4
 
@@ -1401,12 +1379,7 @@ if(Symmetry==2)then
   if(dabs(ymin+gw*dY)<dY.and.Y(1)<0.d0) jmin = gw+1
 endif
 
-! Optimized with oneMKL BLAS DDOT for dot product
+f_out = sum(f(imin:imax,jmin:jmax,kmin:kmax)*f(imin:imax,jmin:jmax,kmin:kmax))
-n_elements = (imax-imin+1)*(jmax-jmin+1)*(kmax-kmin+1)
-allocate(f_flat(n_elements))
-f_flat = reshape(f(imin:imax,jmin:jmax,kmin:kmax), [n_elements])
-f_out = DDOT(n_elements, f_flat, 1, f_flat, 1)
-deallocate(f_flat)
 
 f_out = f_out*dX*dY*dZ
 
@@ -1434,8 +1407,6 @@ f_out = f_out*dX*dY*dZ
   integer::imin,jmin,kmin
   integer::imax,jmax,kmax
   integer::i,j,k
-  real*8, dimension(:), allocatable :: f_flat
-  real*8, external :: DDOT
 
   real*8 :: PIo4
 
@@ -1498,12 +1469,11 @@ if(Symmetry==2)then
   if(dabs(ymin+gw*dY)<dY.and.Y(1)<0.d0) jmin = gw+1
 endif
 
-! Optimized with oneMKL BLAS DDOT for dot product
+f_out = sum(f(imin:imax,jmin:jmax,kmin:kmax)*f(imin:imax,jmin:jmax,kmin:kmax))
+
+f_out = f_out
+
 Nout = (imax-imin+1)*(jmax-jmin+1)*(kmax-kmin+1)
-allocate(f_flat(Nout))
-f_flat = reshape(f(imin:imax,jmin:jmax,kmin:kmax), [Nout])
-f_out = DDOT(Nout, f_flat, 1, f_flat, 1)
-deallocate(f_flat)
 
   return
 
@@ -1701,7 +1671,6 @@ deallocate(f_flat)
   real*8, dimension(ORDN,ORDN) :: tmp2
   real*8, dimension(ORDN) :: tmp1
   real*8, dimension(3) :: SoAh
-  real*8, external :: DDOT
 
 ! +1 because c++ gives 0 for first point
   cxB = inds+1  
@@ -1737,21 +1706,20 @@ deallocate(f_flat)
      ya=fh(cxB(1):cxT(1),cxB(2):cxT(2),cxB(3):cxT(3))
   endif 
 
-  ! Optimized with BLAS operations for better performance
-  ! First dimension: z-direction weighted sum
   tmp2=0
   do m=1,ORDN
     tmp2 = tmp2 + coef(2*ORDN+m)*ya(:,:,m)
   enddo
 
-  ! Second dimension: y-direction weighted sum
   tmp1=0
   do m=1,ORDN
     tmp1 = tmp1 + coef(ORDN+m)*tmp2(:,m)
   enddo
 
-  ! Third dimension: x-direction weighted sum using BLAS DDOT
+  f_int=0
-  f_int = DDOT(ORDN, coef(1:ORDN), 1, tmp1, 1)
+  do m=1,ORDN
+    f_int = f_int + coef(m)*tmp1(m)
+  enddo
 
   return
 
@@ -1781,7 +1749,6 @@ deallocate(f_flat)
   real*8, dimension(ORDN,ORDN) :: ya
   real*8, dimension(ORDN) :: tmp1
   real*8, dimension(2) :: SoAh
-  real*8, external :: DDOT
 
 ! +1 because c++ gives 0 for first point
   cxB = inds(1:2)+1  
@@ -1811,14 +1778,15 @@ deallocate(f_flat)
      ya=fh(cxB(1):cxT(1),cxB(2):cxT(2),inds(3))
   endif 
 
-  ! Optimized with BLAS operations
   tmp1=0
   do m=1,ORDN
     tmp1 = tmp1 + coef(ORDN+m)*ya(:,m)
   enddo
 
-  ! Use BLAS DDOT for final weighted sum
+  f_int=0
-  f_int = DDOT(ORDN, coef(1:ORDN), 1, tmp1, 1)
+  do m=1,ORDN
+    f_int = f_int + coef(m)*tmp1(m)
+  enddo
 
   return
 
@@ -1849,7 +1817,6 @@ deallocate(f_flat)
   real*8, dimension(ORDN) :: ya
   real*8 :: SoAh
   integer,dimension(3) :: inds
-  real*8, external :: DDOT
 
 ! +1 because c++ gives 0 for first point
   inds = indsi + 1
@@ -1910,8 +1877,10 @@ deallocate(f_flat)
           write(*,*)"error in global_interpind1d, not recognized dumyd = ",dumyd
   endif
 
-  ! Optimized with BLAS DDOT for weighted sum
+  f_int=0
-  f_int = DDOT(ORDN, coef, 1, ya, 1)
+  do m=1,ORDN
+    f_int = f_int + coef(m)*ya(m)
+  enddo
 
   return
 
@@ -2143,38 +2112,24 @@ deallocate(f_flat)
 
   end function fWigner_d_function
 !----------------------------------
-! Optimized factorial function using lookup table for small N
-! and log-gamma for large N to avoid overflow
   function ffact(N) result(gont)
   implicit none
   integer,intent(in) :: N
 
   real*8 :: gont
-  integer :: i
 
-  ! Lookup table for factorials 0! to 20! (precomputed)
+  integer :: i
-  real*8, parameter, dimension(0:20) :: fact_table = [ &
-    1.d0, 1.d0, 2.d0, 6.d0, 24.d0, 120.d0, 720.d0, 5040.d0, 40320.d0, &
-    362880.d0, 3628800.d0, 39916800.d0, 479001600.d0, 6227020800.d0, &
-    87178291200.d0, 1307674368000.d0, 20922789888000.d0, &
-    355687428096000.d0, 6402373705728000.d0, 121645100408832000.d0, &
-    2432902008176640000.d0 ]
 
 ! sanity check
   if(N < 0)then
      write(*,*) "ffact: error input for factorial"
-     gont = 1.d0
      return
   endif
 
-  ! Use lookup table for small N (fast path)
+  gont = 1.d0
-  if(N <= 20)then
+  do i=1,N
-     gont = fact_table(N)
+     gont = gont*i
-  else
+  enddo
-     ! Use log-gamma function for large N: N! = exp(log_gamma(N+1))
-     ! This avoids overflow and is computed efficiently
-     gont = exp(log_gamma(dble(N+1)))
-  endif
 
   return
 
@@ -2308,3 +2263,4 @@ subroutine find_maximum(ext,X,Y,Z,fun,val,pos,llb,uub)
   return
 
 end subroutine
+

AMSS_NCKU_source/gaussj.C

@@ -16,66 +16,115 @@ using namespace std;
 #include <string.h>
 #include <math.h>
 #endif
-
+/* Linear equation solution by Gauss-Jordan elimination.
-// Intel oneMKL LAPACK interface
-#include <mkl_lapacke.h>
-/* Linear equation solution using Intel oneMKL LAPACK.
 a[0..n-1][0..n-1] is the input matrix. b[0..n-1] is input
 containing the right-hand side vectors. On output a is
 replaced by its matrix inverse, and b is replaced by the
-corresponding set of solution vectors.
+corresponding set of solution vectors */
-
-Mathematical equivalence:
-  Solves: A * x = b  =>  x = A^(-1) * b
-  Original Gauss-Jordan and LAPACK dgesv/dgetri produce identical results
-  within numerical precision. */
 
 int gaussj(double *a, double *b, int n)
 {
-  // Allocate pivot array and workspace
+  double swap;
-  lapack_int *ipiv = new lapack_int[n];
-  lapack_int info;
 
-  // Make a copy of matrix a for solving (dgesv modifies it to LU form)
+  int *indxc, *indxr, *ipiv;
-  double *a_copy = new double[n * n];
+  indxc = new int[n];
-  for (int i = 0; i < n * n; i++) {
+  indxr = new int[n];
-    a_copy[i] = a[i];
+  ipiv = new int[n];
+
+  int i, icol, irow, j, k, l, ll;
+  double big, dum, pivinv, temp;
+
+  for (j = 0; j < n; j++)
+    ipiv[j] = 0;
+  for (i = 0; i < n; i++)
+  {
+    big = 0.0;
+    for (j = 0; j < n; j++)
+      if (ipiv[j] != 1)
+        for (k = 0; k < n; k++)
+        {
+          if (ipiv[k] == 0)
+          {
+            if (fabs(a[j * n + k]) >= big)
+            {
+              big = fabs(a[j * n + k]);
+              irow = j;
+              icol = k;
+            }
+          }
+          else if (ipiv[k] > 1)
+          {
+            cout << "gaussj: Singular Matrix-1" << endl;
+            for (int ii = 0; ii < n; ii++)
+            {
+              for (int jj = 0; jj < n; jj++)
+                cout << a[ii * n + jj] << " ";
+              cout << endl;
+            }
+            return 1; // error return
+          }
+        }
+
+    ipiv[icol] = ipiv[icol] + 1;
+    if (irow != icol)
+    {
+      for (l = 0; l < n; l++)
+      {
+        swap = a[irow * n + l];
+        a[irow * n + l] = a[icol * n + l];
+        a[icol * n + l] = swap;
+      }
+
+      swap = b[irow];
+      b[irow] = b[icol];
+      b[icol] = swap;
+    }
+
+    indxr[i] = irow;
+    indxc[i] = icol;
+
+    if (a[icol * n + icol] == 0.0)
+    {
+      cout << "gaussj: Singular Matrix-2" << endl;
+      for (int ii = 0; ii < n; ii++)
+      {
+        for (int jj = 0; jj < n; jj++)
+          cout << a[ii * n + jj] << " ";
+        cout << endl;
+      }
+      return 1; // error return
+    }
+
+    pivinv = 1.0 / a[icol * n + icol];
+    a[icol * n + icol] = 1.0;
+    for (l = 0; l < n; l++)
+      a[icol * n + l] *= pivinv;
+    b[icol] *= pivinv;
+    for (ll = 0; ll < n; ll++)
+      if (ll != icol)
+      {
+        dum = a[ll * n + icol];
+        a[ll * n + icol] = 0.0;
+        for (l = 0; l < n; l++)
+          a[ll * n + l] -= a[icol * n + l] * dum;
+        b[ll] -= b[icol] * dum;
+      }
   }
 
-  // Step 1: Solve linear system A*x = b using LU decomposition
+  for (l = n - 1; l >= 0; l--)
-  // LAPACKE_dgesv uses column-major by default, but we use row-major
+  {
-  info = LAPACKE_dgesv(LAPACK_ROW_MAJOR, n, 1, a_copy, n, ipiv, b, 1);
+    if (indxr[l] != indxc[l])
-
+      for (k = 0; k < n; k++)
-  if (info != 0) {
+      {
-    cout << "gaussj: Singular Matrix (dgesv info=" << info << ")" << endl;
+        swap = a[k * n + indxr[l]];
-    delete[] ipiv;
+        a[k * n + indxr[l]] = a[k * n + indxc[l]];
-    delete[] a_copy;
+        a[k * n + indxc[l]] = swap;
-    return 1;
+      }
-  }
-
-  // Step 2: Compute matrix inverse A^(-1) using LU factorization
-  // First do LU factorization of original matrix a
-  info = LAPACKE_dgetrf(LAPACK_ROW_MAJOR, n, n, a, n, ipiv);
-
-  if (info != 0) {
-    cout << "gaussj: Singular Matrix (dgetrf info=" << info << ")" << endl;
-    delete[] ipiv;
-    delete[] a_copy;
-    return 1;
-  }
-
-  // Then compute inverse from LU factorization
-  info = LAPACKE_dgetri(LAPACK_ROW_MAJOR, n, a, n, ipiv);
-
-  if (info != 0) {
-    cout << "gaussj: Singular Matrix (dgetri info=" << info << ")" << endl;
-    delete[] ipiv;
-    delete[] a_copy;
-    return 1;
   }
 
+  delete[] indxc;
+  delete[] indxr;
   delete[] ipiv;
-  delete[] a_copy;
 
   return 0;
 }

AMSS_NCKU_source/ilucg.f90

@@ -512,10 +512,11 @@
       IMPLICIT DOUBLE PRECISION (A-H,O-Z)
       DIMENSION V(N),W(N)
 !     SUBROUTINE TO COMPUTE DOUBLE PRECISION VECTOR DOT PRODUCT.
-!     Optimized using Intel oneMKL BLAS ddot
-!     Mathematical equivalence: DGVV = sum_{i=1}^{N} V(i)*W(i)
 
-      DOUBLE PRECISION, EXTERNAL :: DDOT
+      SUM = 0.0D0
-      DGVV = DDOT(N, V, 1, W, 1)
+            DO 10 I = 1,N
+            SUM = SUM + V(I)*W(I)
+10          CONTINUE
+      DGVV = SUM
       RETURN
       END

AMSS_NCKU_source/kodiss.f90

@@ -6,6 +6,101 @@
 ! Vertex or Cell is distinguished in routine symmetry_bd which locates in
 ! file "fmisc.f90"
 
+#if (ghost_width == 2)
+! second order code
+
+!------------------------------------------------------------------------------------------------------------------------------
+!usual type Kreiss-Oliger type numerical dissipation
+!We support cell center only
+!  (D_+D_-)^2 =
+!   f(i-2) - 4 f(i-1) + 6 f(i) - 4 f(i+1) + f(i+2)
+! ------------------------------------------------------
+!                       dx^4
+!------------------------------------------------------------------------------------------------------------------------------
+! do not add dissipation near boundary
+subroutine kodis(ex,X,Y,Z,f,f_rhs,SoA,Symmetry,eps)
+
+implicit none
+! argument variables
+integer,intent(in) :: Symmetry
+integer,dimension(3),intent(in)::ex
+real*8, dimension(1:3), intent(in) :: SoA
+double precision,intent(in),dimension(ex(1))::X
+double precision,intent(in),dimension(ex(2))::Y
+double precision,intent(in),dimension(ex(3))::Z
+double precision,intent(in),dimension(ex(1),ex(2),ex(3))::f
+double precision,intent(inout),dimension(ex(1),ex(2),ex(3))::f_rhs
+real*8,intent(in) :: eps
+
+!~~~~~~ other variables
+
+  real*8 :: dX,dY,dZ
+  real*8,dimension(-1:ex(1),-1:ex(2),-1:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+  real*8,parameter   :: cof = 1.6d1 ! 2^4
+  real*8,  parameter :: F4=4.d0,F6=6.d0
+  integer::i,j,k
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -1
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -1
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -1
+
+  call symmetry_bd(2,ex,f,fh,SoA)
+
+!   f(i-2) - 4 f(i-1) + 6 f(i) - 4 f(i+1) + f(i+2)
+! ------------------------------------------------------
+!                       dx^4
+
+!  note the sign (-1)^r-1, now r=2
+  do k=1,ex(3)
+  do j=1,ex(2)
+  do i=1,ex(1)
+
+  if(i-2 >= imin .and. i+2 <= imax .and. &
+     j-2 >= jmin .and. j+2 <= jmax .and. &
+     k-2 >= kmin .and. k+2 <= kmax) then
+! x direction
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dX/cof * (     &
+                                (fh(i-2,j,k)+fh(i+2,j,k)) &
+                         - F4 * (fh(i-1,j,k)+fh(i+1,j,k)) &
+                         + F6 *  fh(i,j,k) )
+! y direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dY/cof * (     &
+                                (fh(i,j-2,k)+fh(i,j+2,k)) &
+                         - F4 * (fh(i,j-1,k)+fh(i,j+1,k)) &
+                         + F6 *  fh(i,j,k) )
+! z direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dZ/cof * (     &
+                                (fh(i,j,k-2)+fh(i,j,k+2)) &
+                         - F4 * (fh(i,j,k-1)+fh(i,j,k+1)) &
+                         + F6 *  fh(i,j,k) )
+
+  endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+end subroutine kodis
+
+#elif (ghost_width == 3)
 ! fourth order code
 
 !---------------------------------------------------------------------------------------------
@@ -61,7 +156,7 @@ integer, parameter :: NO_SYMM=0, OCTANT=2
   if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -2
   if(Symmetry == OCTANT .and. dabs(X(1)) < dX) imin = -2
   if(Symmetry == OCTANT .and. dabs(Y(1)) < dY) jmin = -2
-  !print*,'imin,jmin,kmin=',imin,jmin,kmin
+
   call symmetry_bd(3,ex,f,fh,SoA)
 
   do k=1,ex(3)
@@ -71,7 +166,28 @@ integer, parameter :: NO_SYMM=0, OCTANT=2
   if(i-3 >= imin .and. i+3 <= imax .and. &
      j-3 >= jmin .and. j+3 <= jmax .and. &
      k-3 >= kmin .and. k+3 <= kmax) then
+#if 0     
+! x direction
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dX/cof * (     &
+                              (fh(i-3,j,k)+fh(i+3,j,k)) - &
+                          SIX*(fh(i-2,j,k)+fh(i+2,j,k)) + &
+                          FIT*(fh(i-1,j,k)+fh(i+1,j,k)) - &
+                          TWT* fh(i,j,k)            )
+! y direction
 
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dY/cof * (     &
+                              (fh(i,j-3,k)+fh(i,j+3,k)) - &
+                          SIX*(fh(i,j-2,k)+fh(i,j+2,k)) + &
+                          FIT*(fh(i,j-1,k)+fh(i,j+1,k)) - &
+                          TWT* fh(i,j,k)            )
+! z direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dZ/cof * (     &
+                              (fh(i,j,k-3)+fh(i,j,k+3)) - &
+                          SIX*(fh(i,j,k-2)+fh(i,j,k+2)) + &
+                          FIT*(fh(i,j,k-1)+fh(i,j,k+1)) - &
+                          TWT* fh(i,j,k)            )
+#else
 ! calculation order if important ?
    f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/cof *( (     &
                               (fh(i-3,j,k)+fh(i+3,j,k)) - &
@@ -88,7 +204,7 @@ integer, parameter :: NO_SYMM=0, OCTANT=2
                           SIX*(fh(i,j,k-2)+fh(i,j,k+2)) + &
                           FIT*(fh(i,j,k-1)+fh(i,j,k+1)) - &
                           TWT* fh(i,j,k)            )/dZ )
-
+#endif
   endif
 
   enddo
@@ -99,6 +215,218 @@ integer, parameter :: NO_SYMM=0, OCTANT=2
 
   end subroutine kodis
 
+#elif (ghost_width == 4)
+! sixth order code
+!------------------------------------------------------------------------------------------------------------------------------
+!usual type Kreiss-Oliger type numerical dissipation
+!We support cell center only
+!  (D_+D_-)^4 =
+!   f(i-4) - 8 f(i-3) + 28 f(i-2) - 56 f(i-1) + 70 f(i) - 56 f(i+1) + 28 f(i+2) - 8 f(i+3) + f(i+4)
+! ----------------------------------------------------------------------------------------------------------
+!                                              dx^8
+!------------------------------------------------------------------------------------------------------------------------------
+! do not add dissipation near boundary
+subroutine kodis(ex,X,Y,Z,f,f_rhs,SoA,Symmetry,eps)
 
+implicit none
+! argument variables
+integer,intent(in) :: Symmetry
+integer,dimension(3),intent(in)::ex
+real*8, dimension(1:3), intent(in) :: SoA
+double precision,intent(in),dimension(ex(1))::X
+double precision,intent(in),dimension(ex(2))::Y
+double precision,intent(in),dimension(ex(3))::Z
+double precision,intent(in),dimension(ex(1),ex(2),ex(3))::f
+double precision,intent(inout),dimension(ex(1),ex(2),ex(3))::f_rhs
+real*8,intent(in) :: eps
 
+!~~~~~~ other variables
 
+  real*8 :: dX,dY,dZ
+  real*8,dimension(-3:ex(1),-3:ex(2),-3:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+  real*8,parameter   :: cof = 2.56d2 ! 2^8
+  real*8,  parameter :: F8=8.d0,F28=2.8d1,F56=5.6d1,F70=7.d1
+  integer::i,j,k
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+  
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -3
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -3
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -3
+
+  call symmetry_bd(4,ex,f,fh,SoA)
+
+!   f(i-4) - 8 f(i-3) + 28 f(i-2) - 56 f(i-1) + 70 f(i) - 56 f(i+1) + 28 f(i+2) - 8 f(i+3) + f(i+4)
+! ----------------------------------------------------------------------------------------------------------
+!                                              dx^8
+
+!  note the sign (-1)^r-1, now r=4
+  do k=1,ex(3)
+  do j=1,ex(2)
+  do i=1,ex(1)
+
+  if(i>imin+3 .and. i < imax-3 .and. &
+     j>jmin+3 .and. j < jmax-3 .and. &
+     k>kmin+3 .and. k < kmax-3) then
+! x direction
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dX/cof * (     &
+                                (fh(i-4,j,k)+fh(i+4,j,k)) &
+                         - F8 * (fh(i-3,j,k)+fh(i+3,j,k)) &
+                         +F28 * (fh(i-2,j,k)+fh(i+2,j,k)) &
+                         -F56 * (fh(i-1,j,k)+fh(i+1,j,k)) &
+                         +F70 *  fh(i,j,k) )
+! y direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dY/cof * (     &
+                                (fh(i,j-4,k)+fh(i,j+4,k)) &
+                         - F8 * (fh(i,j-3,k)+fh(i,j+3,k)) &
+                         +F28 * (fh(i,j-2,k)+fh(i,j+2,k)) &
+                         -F56 * (fh(i,j-1,k)+fh(i,j+1,k)) &
+                         +F70 *  fh(i,j,k) )
+! z direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) - eps/dZ/cof * (     &
+                                (fh(i,j,k-4)+fh(i,j,k+4)) &
+                         - F8 * (fh(i,j,k-3)+fh(i,j,k+3)) &
+                         +F28 * (fh(i,j,k-2)+fh(i,j,k+2)) &
+                         -F56 * (fh(i,j,k-1)+fh(i,j,k+1)) &
+                         +F70 *  fh(i,j,k) )
+
+  endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+end subroutine kodis
+
+#elif (ghost_width == 5)
+! eighth order code
+!------------------------------------------------------------------------------------------------------------------------------
+!usual type Kreiss-Oliger type numerical dissipation
+!We support cell center only
+! Note the notation D_+ and D_- [P240 of B. Gustafsson, H.-O. Kreiss, and J. Oliger, Time
+! Dependent Problems and Difference Methods (Wiley, New York, 1995).]
+! D_+ = (f(i+1) - f(i))/h
+! D_- = (f(i) - f(i-1))/h
+! then we have D_+D_- = D_-D_+ = (f(i+1) - 2f(i) + f(i-1))/h^2
+! for nth order accurate finite difference code, we need r =n/2+1
+!              D_+^rD_-^r = (D_+D_-)^r 
+! following the tradiation of PRD 77, 024027 (BB's calibration paper, Eq.(64),
+!  correct some typo according to above book) :
+! + eps*(-1)^(r-1)*h^(2r-1)/2^(2r)*(D_+D_-)^r 
+!
+!
+! this is for 8th order accurate finite difference scheme
+!  (D_+D_-)^5 =
+!  f(i-5) - 10 f(i-4) + 45 f(i-3) - 120 f(i-2) + 210 f(i-1) - 252 f(i) + 210 f(i+1) - 120 f(i+2) + 45 f(i+3) - 10 f(i+4) + f(i+5)
+! -------------------------------------------------------------------------------------------------------------------------------
+!                                                              dx^10
+!---------------------------------------------------------------------------------------------------------------------------------
+! do not add dissipation near boundary
+subroutine kodis(ex,X,Y,Z,f,f_rhs,SoA,Symmetry,eps)
+
+implicit none
+! argument variables
+integer,intent(in) :: Symmetry
+integer,dimension(3),intent(in)::ex
+real*8, dimension(1:3), intent(in) :: SoA
+double precision,intent(in),dimension(ex(1))::X
+double precision,intent(in),dimension(ex(2))::Y
+double precision,intent(in),dimension(ex(3))::Z
+double precision,intent(in),dimension(ex(1),ex(2),ex(3))::f
+double precision,intent(inout),dimension(ex(1),ex(2),ex(3))::f_rhs
+real*8,intent(in) :: eps
+
+!~~~~~~ other variables
+
+  real*8 :: dX,dY,dZ
+  real*8,dimension(-4:ex(1),-4:ex(2),-4:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+  real*8,parameter   :: cof = 1.024d3 ! 2^2r = 2^10
+  real*8,  parameter :: F10=1.d1,F45=4.5d1,F120=1.2d2,F210=2.1d2,F252=2.52d2
+  integer::i,j,k
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+  
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -4
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -4
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -4
+
+  call symmetry_bd(5,ex,f,fh,SoA)
+
+!  f(i-5) - 10 f(i-4) + 45 f(i-3) - 120 f(i-2) + 210 f(i-1) - 252 f(i) + 210 f(i+1) - 120 f(i+2) + 45 f(i+3) - 10 f(i+4) + f(i+5)
+! -------------------------------------------------------------------------------------------------------------------------------
+!                                                              dx^10
+
+!  note the sign (-1)^r-1, now r=5
+  do k=1,ex(3)
+  do j=1,ex(2)
+  do i=1,ex(1)
+
+  if(i>imin+4 .and. i < imax-4 .and. &
+     j>jmin+4 .and. j < jmax-4 .and. &
+     k>kmin+4 .and. k < kmax-4) then
+! x direction
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dX/cof * (      &
+                                 (fh(i-5,j,k)+fh(i+5,j,k)) &
+                         - F10 * (fh(i-4,j,k)+fh(i+4,j,k)) &
+                         + F45 * (fh(i-3,j,k)+fh(i+3,j,k)) &
+                         - F120* (fh(i-2,j,k)+fh(i+2,j,k)) &
+                         + F210* (fh(i-1,j,k)+fh(i+1,j,k)) &
+                         - F252 * fh(i,j,k) )
+! y direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dY/cof * (      &
+                                 (fh(i,j-5,k)+fh(i,j+5,k)) &
+                         - F10 * (fh(i,j-4,k)+fh(i,j+4,k)) &
+                         + F45 * (fh(i,j-3,k)+fh(i,j+3,k)) &
+                         - F120* (fh(i,j-2,k)+fh(i,j+2,k)) &
+                         + F210* (fh(i,j-1,k)+fh(i,j+1,k)) &
+                         - F252 * fh(i,j,k) )
+! z direction
+
+   f_rhs(i,j,k)       = f_rhs(i,j,k) + eps/dZ/cof * (      &
+                                 (fh(i,j,k-5)+fh(i,j,k+5)) &
+                         - F10 * (fh(i,j,k-4)+fh(i,j,k+4)) &
+                         + F45 * (fh(i,j,k-3)+fh(i,j,k+3)) &
+                         - F120* (fh(i,j,k-2)+fh(i,j,k+2)) &
+                         + F210* (fh(i,j,k-1)+fh(i,j,k+1)) &
+                         - F252 * fh(i,j,k) )
+
+  endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+end subroutine kodis
+
+#endif  

AMSS_NCKU_source/lopsidediff.f90

@@ -7,7 +7,163 @@
 ! Vertex or Cell is distinguished in routine symmetry_bd which locates in
 ! file "fmisc.f90"
 
+#if (ghost_width == 2)
+! second order code
 
+!-----------------------------------------------------------------------------
+!         v
+! D f = ------[ - 3 f  + 4 f   - f     ]
+!  i     2dx         i      i+v   i+2v
+!
+! where
+!
+!        i
+!      |B |
+! v = -----
+!        i
+!       B
+!
+!-----------------------------------------------------------------------------
+subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
+  implicit none
+
+!~~~~~~> Input parameters:
+
+  integer, intent(in)  :: ex(1:3),Symmetry
+  real*8,  intent(in)  :: X(1:ex(1)),Y(1:ex(2)),Z(1:ex(3))
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(in)   :: f,Sfx,Sfy,Sfz
+
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(inout):: f_rhs
+  real*8,dimension(3),intent(in) ::SoA
+
+!~~~~~~> local variables:
+! note index -1,0, so we have 2 extra points
+  real*8,dimension(-1:ex(1),-1:ex(2),-1:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax,i,j,k
+  real*8 :: dX,dY,dZ
+  real*8 :: d2dx,d2dy,d2dz
+  real*8,  parameter :: ZEO=0.d0,ONE=1.d0,TWO=2.d0,THR=3.d0,FOUR=4.d0
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+
+  d2dx = ONE/TWO/dX
+  d2dy = ONE/TWO/dY
+  d2dz = ONE/TWO/dZ
+
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -1
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -1
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -1
+
+  call symmetry_bd(2,ex,f,fh,SoA)
+
+! upper bound set ex-1 only for efficiency, 
+! the loop body will set ex 0 also
+  do k=1,ex(3)-1
+  do j=1,ex(2)-1
+  do i=1,ex(1)-1
+! x direction   
+    if(Sfx(i,j,k) >= ZEO)then
+       if( i+2 <= imax .and. i >= imin)then
+!         v
+! D f = ------[ - 3 f  + 4 f   - f     ]
+!  i     2dx         i      i+v   i+2v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfx(i,j,k)*d2dx*(-THR*fh(i,j,k)+FOUR*fh(i+1,j,k)-fh(i+2,j,k))
+       elseif(i+1 <= imax .and. i >= imin)then
+!         v
+! D f = ------[ - f  + f   ]
+!  i      dx       i    i+v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfx(i,j,k)*d2dx*(-fh(i,j,k)+fh(i+1,j,k))
+
+       endif
+
+    elseif(Sfx(i,j,k) <= ZEO)then
+      if( i-2 >= imin .and. i <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfx(i,j,k)*d2dx*(-THR*fh(i,j,k)+FOUR*fh(i-1,j,k)-fh(i-2,j,k))
+      elseif(i-1 >= imin .and. i <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfx(i,j,k)*d2dx*(-fh(i,j,k)+fh(i-1,j,k))
+      endif
+
+! set imax and imin 0
+    endif
+
+! y direction   
+    if(Sfy(i,j,k) >= ZEO)then
+       if( j+2 <= jmax .and. j >= jmin)then
+!         v
+! D f = ------[ - 3 f  + 4 f   - f     ]
+!  i     2dx         i      i+v   i+2v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfy(i,j,k)*d2dy*(-THR*fh(i,j,k)+FOUR*fh(i,j+1,k)-fh(i,j+2,k))
+       elseif(j+1 <= jmax .and. j >= jmin)then
+!         v
+! D f = ------[ - f  + f   ]
+!  i      dx       i    i+v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfy(i,j,k)*d2dy*(-fh(i,j,k)+fh(i,j+1,k))
+       endif
+
+    elseif(Sfy(i,j,k) <= ZEO)then
+      if( j-2 >= jmin .and. j <= jmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfy(i,j,k)*d2dy*(-THR*fh(i,j,k)+FOUR*fh(i,j-1,k)-fh(i,j-2,k))
+      elseif(j-1 >= jmin .and. j <= jmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfy(i,j,k)*d2dy*(-fh(i,j,k)+fh(i,j-1,k))
+      endif
+
+! set jmin and jmax 0
+     endif
+!! z direction   
+    if(Sfz(i,j,k) >= ZEO)then
+      if( k+2 <= kmax .and. k >= kmin)then
+!         v
+! D f = ------[ - 3 f  + 4 f   - f     ]
+!  i     2dx         i      i+v   i+2v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfz(i,j,k)*d2dz*(-THR*fh(i,j,k)+FOUR*fh(i,j,k+1)-fh(i,j,k+2))
+       elseif(k+1 <= kmax .and. k >= kmin)then
+!         v
+! D f = ------[ - f  + f   ]
+!  i      dx       i    i+v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                           &
+                  Sfz(i,j,k)*d2dz*(-fh(i,j,k)+fh(i,j,k+1))
+       endif
+
+    elseif(Sfz(i,j,k) <= ZEO)then
+      if( k-2 >= kmin .and. k <= kmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfz(i,j,k)*d2dz*(-THR*fh(i,j,k)+FOUR*fh(i,j,k-1)-fh(i,j,k-2))
+      elseif(k-1 >= kmin .and. k <= kmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                           &
+                  Sfz(i,j,k)*d2dz*(-fh(i,j,k)+fh(i,j,k-1))
+      endif
+
+! set kmin and kmax 0
+     endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+  end subroutine lopsided
+
+#elif (ghost_width == 3)
 ! fourth order code
 
 !-----------------------------------------------------------------------------
@@ -80,7 +236,89 @@ subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
   do k=1,ex(3)-1
   do j=1,ex(2)-1
   do i=1,ex(1)-1
+#if 0  
+!! old code
+! x direction   
+    if(Sfx(i,j,k) >= ZEO .and. i+3 <= imax .and. i-1 >= imin)then
+!         v
+! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
+!  i     12dx       i-v      i      i+v     i+2v    i+3v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
+                  Sfx(i,j,k)*d12dx*(-F3*fh(i-1,j,k)-F10*fh(i,j,k)+F18*fh(i+1,j,k) &
+                                    -F6*fh(i+2,j,k)+    fh(i+3,j,k))
 
+    elseif(Sfx(i,j,k) <= ZEO .and. i-3 >= imin .and. i+1 <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
+                  Sfx(i,j,k)*d12dx*(-F3*fh(i+1,j,k)-F10*fh(i,j,k)+F18*fh(i-1,j,k) &
+                                    -F6*fh(i-2,j,k)+    fh(i-3,j,k))
+
+     elseif(i+2 <= imax .and. i-2 >= imin)then
+!
+!              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
+!  fx(i) = ---------------------------------------------
+!                             12 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
+                  Sfx(i,j,k)*d12dx*(fh(i-2,j,k)-EIT*fh(i-1,j,k)+EIT*fh(i+1,j,k)-fh(i+2,j,k))
+
+     elseif(i+1 <= imax .and. i-1 >= imin)then
+!
+!              - f(i-1) + f(i+1)
+!  fx(i) = --------------------------------
+!                     2 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfx(i,j,k)*d2dx*(-fh(i-1,j,k)+fh(i+1,j,k))
+
+! set imax and imin 0
+    endif
+
+! y direction   
+    if(Sfy(i,j,k) >= ZEO .and. j+3 <= jmax .and. j-1 >= jmin)then
+!         v
+! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
+!  i     12dx       i-v      i      i+v     i+2v    i+3v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
+                  Sfy(i,j,k)*d12dy*(-F3*fh(i,j-1,k)-F10*fh(i,j,k)+F18*fh(i,j+1,k) &
+                                    -F6*fh(i,j+2,k)+    fh(i,j+3,k))
+
+    elseif(Sfy(i,j,k) <= ZEO .and. j-3 >= jmin .and. j+1 <= jmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
+                  Sfy(i,j,k)*d12dy*(-F3*fh(i,j+1,k)-F10*fh(i,j,k)+F18*fh(i,j-1,k) &
+                                    -F6*fh(i,j-2,k)+    fh(i,j-3,k))
+
+     elseif(j+2 <= jmax .and. j-2 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfy(i,j,k)*d12dy*(fh(i,j-2,k)-EIT*fh(i,j-1,k)+EIT*fh(i,j+1,k)-fh(i,j+2,k))
+
+     elseif(j+1 <= jmax .and. j-1 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfy(i,j,k)*d2dy*(-fh(i,j-1,k)+fh(i,j+1,k))
+! set jmin and jmax 0
+     endif
+!! z direction   
+    if(Sfz(i,j,k) >= ZEO .and. k+3 <= kmax .and. k-1 >= kmin)then
+!         v
+! D f = ------[ - 3f    - 10f  + 18f    - 6f     + f     ]
+!  i     12dx       i-v      i      i+v     i+2v    i+3v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                   &
+                  Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k-1)-F10*fh(i,j,k)+F18*fh(i,j,k+1) &
+                                    -F6*fh(i,j,k+2)+    fh(i,j,k+3))
+
+    elseif(Sfz(i,j,k) <= ZEO .and. k-3 >= kmin .and. k+1 <= kmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                   &
+                  Sfz(i,j,k)*d12dz*(-F3*fh(i,j,k+1)-F10*fh(i,j,k)+F18*fh(i,j,k-1) &
+                                    -F6*fh(i,j,k-2)+    fh(i,j,k-3))
+
+     elseif(k+2 <= kmax .and. k-2 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfz(i,j,k)*d12dz*(fh(i,j,k-2)-EIT*fh(i,j,k-1)+EIT*fh(i,j,k+1)-fh(i,j,k+2))
+
+     elseif(k+1 <= kmax .and. k-1 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+Sfz(i,j,k)*d2dz*(-fh(i,j,k-1)+fh(i,j,k+1))
+! set kmin and kmax 0
+     endif
+#else
 !! new code, 2012dec27, based on bam
 ! x direction   
     if(Sfx(i,j,k) > ZEO)then
@@ -240,6 +478,7 @@ subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
 ! set kmax and kmin 0
      endif
    endif
+#endif
   enddo
   enddo
   enddo
@@ -247,3 +486,417 @@ subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
   return
 
   end subroutine lopsided
+
+#elif (ghost_width == 4)
+! sixth order code
+! Compute advection terms in right hand sides of field equations
+!         v
+! D f = ------[ 2f     - 24f    - 35f  + 80f    - 30f     + 8f     - f    ]
+!  i     60dx     i-2v      i-v      i      i+v      i+2v     i+3v    i+4v
+!
+! where
+!
+!        i
+!      |B |
+! v = -----
+!        i
+!       B
+!
+!-----------------------------------------------------------------------------
+subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
+  implicit none
+
+!~~~~~~> Input parameters:
+
+  integer, intent(in)  :: ex(1:3),Symmetry
+  real*8,  intent(in)  :: X(1:ex(1)),Y(1:ex(2)),Z(1:ex(3))
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(in)   :: f,Sfx,Sfy,Sfz
+
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(inout):: f_rhs
+  real*8,dimension(3),intent(in) ::SoA
+
+!~~~~~~> local variables:
+
+  real*8,dimension(-3:ex(1),-3:ex(2),-3:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax,i,j,k
+  real*8 :: dX,dY,dZ
+  real*8 :: d60dx,d60dy,d60dz,d12dx,d12dy,d12dz,d2dx,d2dy,d2dz
+  real*8,  parameter :: ZEO=0.d0,ONE=1.d0, F60=6.d1
+  real*8,  parameter :: TWO=2.d0,F24=2.4d1,F35=3.5d1,F80=8.d1,F30=3.d1,EIT=8.d0
+  real*8,  parameter ::  F9=9.d0,F45=4.5d1,F12=1.2d1
+  real*8,  parameter ::  F10=1.d1,F77=7.7d1,F150=1.5d2,F100=1.d2,F50=5.d1,F15=1.5d1
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+
+  d60dx = ONE/F60/dX
+  d60dy = ONE/F60/dY
+  d60dz = ONE/F60/dZ
+
+  d12dx = ONE/F12/dX
+  d12dy = ONE/F12/dY
+  d12dz = ONE/F12/dZ
+
+  d2dx = ONE/TWO/dX
+  d2dy = ONE/TWO/dY
+  d2dz = ONE/TWO/dZ
+
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -3
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -3
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -3
+
+  call symmetry_bd(4,ex,f,fh,SoA)
+
+! upper bound set ex-1 only for efficiency, 
+! the loop body will set ex 0 also
+  do k=1,ex(3)-1
+  do j=1,ex(2)-1
+  do i=1,ex(1)-1
+! x direction   
+    if(Sfx(i,j,k) >= ZEO .and. i+4 <= imax .and. i-2 >= imin)then
+!         v
+! D f = ------[ 2f     - 24f    - 35f  + 80f    - 30f     + 8f     - f    ]
+!  i     60dx     i-2v      i-v      i      i+v      i+2v     i+3v    i+4v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                             &
+                  Sfx(i,j,k)*d60dx*(TWO*fh(i-2,j,k)-F24*fh(i-1,j,k)-F35*fh(i,j,k)+F80*fh(i+1,j,k) &
+                                   -F30*fh(i+2,j,k)+EIT*fh(i+3,j,k)-    fh(i+4,j,k))
+    elseif(Sfx(i,j,k) >= ZEO .and. i+5 <= imax .and. i-1 >= imin)then
+!         v
+! D f = ------[-10f    - 77f  + 150f    - 100f     + 50f     -15f     + 2f    ]
+!  i     60dx      i-v      i       i+v       i+2v      i+3v     i+4v    i+5v
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                        &
+                  Sfx(i,j,k)*d60dx*(-F10*fh(i-1,j,k)-F77*fh(i  ,j,k)+F150*fh(i+1,j,k)-F100*fh(i+2,j,k) &
+                                    +F50*fh(i+3,j,k)-F15*fh(i+4,j,k)+ TWO*fh(i+5,j,k))
+
+    elseif(Sfx(i,j,k) <= ZEO .and. i-4 >= imin .and. i+2 <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                   &
+                  Sfx(i,j,k)*d60dx*(TWO*fh(i+2,j,k)-F24*fh(i+1,j,k)-F35*fh(i,j,k)+F80*fh(i-1,j,k) &
+                                   -F30*fh(i-2,j,k)+EIT*fh(i-3,j,k)-    fh(i-4,j,k))
+    elseif(Sfx(i,j,k) <= ZEO .and. i-5 >= imin .and. i+1 <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                        &
+                  Sfx(i,j,k)*d60dx*(-F10*fh(i+1,j,k)-F77*fh(i  ,j,k)+F150*fh(i-1,j,k)-F100*fh(i-2,j,k) &
+                                    +F50*fh(i-3,j,k)-F15*fh(i-4,j,k)+ TWO*fh(i-5,j,k))
+
+     elseif(i+3 <= imax .and. i-3 >= imin)then
+!           - f(i-3) + 9 f(i-2) - 45 f(i-1) + 45 f(i+1) - 9 f(i+2) + f(i+3)
+!  fx(i) = -----------------------------------------------------------------
+!                                        60 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                              &
+                  Sfx(i,j,k)*d60dx*(-fh(i-3,j,k)+F9*fh(i-2,j,k)-F45*fh(i-1,j,k)+F45*fh(i+1,j,k)-F9*fh(i+2,j,k)+fh(i+3,j,k))
+
+     elseif(i+2 <= imax .and. i-2 >= imin)then
+!
+!              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
+!  fx(i) = ---------------------------------------------
+!                             12 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
+                  Sfx(i,j,k)*d12dx*(fh(i-2,j,k)-EIT*fh(i-1,j,k)+EIT*fh(i+1,j,k)-fh(i+2,j,k))
+
+     elseif(i+1 <= imax .and. i-1 >= imin)then
+!
+!              - f(i-1) + f(i+1)
+!  fx(i) = --------------------------------
+!                     2 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfx(i,j,k)*d2dx*(-fh(i-1,j,k)+fh(i+1,j,k))
+
+! set imax and imin 0
+    endif
+
+! y direction   
+     if(Sfy(i,j,k) >= ZEO .and. j+4 <= jmax .and. j-2 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                   &
+                  Sfy(i,j,k)*d60dy*(TWO*fh(i,j-2,k)-F24*fh(i,j-1,k)-F35*fh(i,j,k)+F80*fh(i,j+1,k) &
+                                   -F30*fh(i,j+2,k)+EIT*fh(i,j+3,k)-    fh(i,j+4,k))
+     elseif(Sfy(i,j,k) >= ZEO .and. j+5 <= jmax .and. j-1 >= jmin)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                        &
+                  Sfy(i,j,k)*d60dy*(-F10*fh(i,j-1,k)-F77*fh(i,j  ,k)+F150*fh(i,j+1,k)-F100*fh(i,j+2,k) &
+                                    +F50*fh(i,j+3,k)-F15*fh(i,j+4,k)+ TWO*fh(i,j+5,k))
+
+     elseif(Sfy(i,j,k) <= ZEO .and. j-4 >= jmin .and. j+2 <= jmax)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                   &
+                  Sfy(i,j,k)*d60dy*(TWO*fh(i,j+2,k)-F24*fh(i,j+1,k)-F35*fh(i,j,k)+F80*fh(i,j-1,k) &
+                                   -F30*fh(i,j-2,k)+EIT*fh(i,j-3,k)-    fh(i,j-4,k))
+
+     elseif(Sfy(i,j,k) <= ZEO .and. j-5 >= jmin .and. j+1 <= jmax)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                        &
+                  Sfy(i,j,k)*d60dy*(-F10*fh(i,j+1,k)-F77*fh(i,j  ,k)+F150*fh(i,j-1,k)-F100*fh(i,j-2,k) &
+                                    +F50*fh(i,j-3,k)-F15*fh(i,j-4,k)+ TWO*fh(i,j-5,k))
+
+     elseif(j+3 <= jmax .and. j-3 >= jmin)then
+          
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                                         &
+                  Sfy(i,j,k)*d60dy*(-fh(i,j-3,k)+F9*fh(i,j-2,k)-F45*fh(i,j-1,k)+F45*fh(i,j+1,k)-F9*fh(i,j+2,k)+fh(i,j+3,k))
+
+     elseif(j+2 <= jmax .and. j-2 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfy(i,j,k)*d12dy*(fh(i,j-2,k)-EIT*fh(i,j-1,k)+EIT*fh(i,j+1,k)-fh(i,j+2,k))
+
+     elseif(j+1 <= jmax .and. j-1 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfy(i,j,k)*d2dy*(-fh(i,j-1,k)+fh(i,j+1,k))
+! set jmin and jmax 0
+     endif
+!! z direction   
+     if(Sfz(i,j,k) >= ZEO .and. k+4 <= kmax .and. k-2 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                   &
+                  Sfz(i,j,k)*d60dz*(TWO*fh(i,j,k-2)-F24*fh(i,j,k-1)-F35*fh(i,j,k)+F80*fh(i,j,k+1) &
+                                   -F30*fh(i,j,k+2)+EIT*fh(i,j,k+3)-    fh(i,j,k+4))
+     elseif(Sfz(i,j,k) >= ZEO .and. k+5 <= kmax .and. k-1 >= kmin)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                        &
+                  Sfz(i,j,k)*d60dz*(-F10*fh(i,j,k-1)-F77*fh(i,j,k  )+F150*fh(i,j,k+1)-F100*fh(i,j,k+2) &
+                                    +F50*fh(i,j,k+3)-F15*fh(i,j,k+4)+ TWO*fh(i,j,k+5))
+
+     elseif(Sfz(i,j,k) <= ZEO .and. k-4 >= kmin .and. k+2 <= kmax)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                   &
+                  Sfz(i,j,k)*d60dz*(TWO*fh(i,j,k+2)-F24*fh(i,j,k+1)-F35*fh(i,j,k)+F80*fh(i,j,k-1) &
+                                   -F30*fh(i,j,k-2)+EIT*fh(i,j,k-3)-    fh(i,j,k-4))
+
+     elseif(Sfz(i,j,k) <= ZEO .and. k-5 >= kmin .and. k+1 <= kmax)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                        &
+                  Sfz(i,j,k)*d60dz*(-F10*fh(i,j,k+1)-F77*fh(i,j,k  )+F150*fh(i,j,k-1)-F100*fh(i,j,k-2) &
+                                    +F50*fh(i,j,k-3)-F15*fh(i,j,k-4)+ TWO*fh(i,j,k-5))
+     
+     elseif(k+3 <= kmax .and. k-3 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                                         &
+                  Sfz(i,j,k)*d60dz*(-fh(i,j,k-3)+F9*fh(i,j,k-2)-F45*fh(i,j,k-1)+F45*fh(i,j,k+1)-F9*fh(i,j,k+2)+fh(i,j,k+3))
+
+     elseif(k+2 <= kmax .and. k-2 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfz(i,j,k)*d12dz*(fh(i,j,k-2)-EIT*fh(i,j,k-1)+EIT*fh(i,j,k+1)-fh(i,j,k+2))
+
+     elseif(k+1 <= kmax .and. k-1 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+Sfz(i,j,k)*d2dz*(-fh(i,j,k-1)+fh(i,j,k+1))
+! set kmin and kmax 0
+     endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+  end subroutine lopsided
+
+#elif (ghost_width == 5)
+! eighth order code
+!-----------------------------------------------------------------------------
+! PRD 77, 024034 (2008)
+! Compute advection terms in right hand sides of field equations
+!        v [ - 5 f(i-3v) + 60 f(i-2v) - 420 f(i-v) - 378 f(i) + 1050 f(i+v) - 420 f(i+2v) + 140 f(i+3v) - 30 f(i+4v) + 3 f(i+5v)]
+! D f = --------------------------------------------------------------------------------------------------------------------------
+!  i                                                             840 dx           
+!
+! where
+!
+!        i
+!      |B |
+! v = -----
+!        i
+!       B
+!
+!-----------------------------------------------------------------------------
+subroutine lopsided(ex,X,Y,Z,f,f_rhs,Sfx,Sfy,Sfz,Symmetry,SoA)
+  implicit none
+
+!~~~~~~> Input parameters:
+
+  integer, intent(in)  :: ex(1:3),Symmetry
+  real*8,  intent(in)  :: X(1:ex(1)),Y(1:ex(2)),Z(1:ex(3))
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(in)   :: f,Sfx,Sfy,Sfz
+
+  real*8,dimension(ex(1),ex(2),ex(3)),intent(inout):: f_rhs
+  real*8,dimension(3),intent(in) ::SoA
+
+!~~~~~~> local variables:
+
+  real*8,dimension(-4:ex(1),-4:ex(2),-4:ex(3))   :: fh
+  integer :: imin,jmin,kmin,imax,jmax,kmax,i,j,k
+  real*8 :: dX,dY,dZ
+  real*8 :: d840dx,d840dy,d840dz,d60dx,d60dy,d60dz,d12dx,d12dy,d12dz,d2dx,d2dy,d2dz
+  real*8,  parameter :: ZEO=0.d0,ONE=1.d0, F60=6.d1
+  real*8,  parameter :: TWO=2.d0,F30=3.d1,EIT=8.d0
+  real*8,  parameter ::  F9=9.d0,F45=4.5d1,F12=1.2d1,F140=1.4d2,THR=3.d0
+  real*8,  parameter :: F840=8.4d2,F5=5.d0,F420=4.2d2,F378=3.78d2,F1050=1.05d3
+  real*8,  parameter :: F32=3.2d1,F168=1.68d2,F672=6.72d2
+  integer, parameter :: NO_SYMM = 0, EQ_SYMM = 1, OCTANT = 2
+
+  dX = X(2)-X(1)
+  dY = Y(2)-Y(1)
+  dZ = Z(2)-Z(1)
+
+  d840dx = ONE/F840/dX
+  d840dy = ONE/F840/dY
+  d840dz = ONE/F840/dZ
+
+  d60dx = ONE/F60/dX
+  d60dy = ONE/F60/dY
+  d60dz = ONE/F60/dZ
+
+  d12dx = ONE/F12/dX
+  d12dy = ONE/F12/dY
+  d12dz = ONE/F12/dZ
+
+  d2dx = ONE/TWO/dX
+  d2dy = ONE/TWO/dY
+  d2dz = ONE/TWO/dZ
+
+  imax = ex(1)
+  jmax = ex(2)
+  kmax = ex(3)
+
+  imin = 1
+  jmin = 1
+  kmin = 1
+  if(Symmetry > NO_SYMM .and. dabs(Z(1)) < dZ) kmin = -4
+  if(Symmetry > EQ_SYMM .and. dabs(X(1)) < dX) imin = -4
+  if(Symmetry > EQ_SYMM .and. dabs(Y(1)) < dY) jmin = -4
+
+  call symmetry_bd(5,ex,f,fh,SoA)
+
+! upper bound set ex-1 only for efficiency, 
+! the loop body will set ex 0 also
+  do k=1,ex(3)-1
+  do j=1,ex(2)-1
+  do i=1,ex(1)-1
+! x direction   
+    if(Sfx(i,j,k) >= ZEO .and. i+5 <= imax .and. i-3 >= imin)then
+!        v [ - 5 f(i-3v) + 60 f(i-2v) - 420 f(i-v) - 378 f(i) + 1050 f(i+v) - 420 f(i+2v) + 140 f(i+3v) - 30 f(i+4v) + 3 f(i+5v)]
+! D f = --------------------------------------------------------------------------------------------------------------------------
+!  i                                                             840 dx    
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                         &
+                  Sfx(i,j,k)*d840dx*(-F5*fh(i-3,j,k)+F60 *fh(i-2,j,k)-F420*fh(i-1,j,k)-F378*fh(i  ,j,k) &
+                                  +F1050*fh(i+1,j,k)-F420*fh(i+2,j,k)+F140*fh(i+3,j,k)-F30 *fh(i+4,j,k)+THR*fh(i+5,j,k))
+
+    elseif(Sfx(i,j,k) <= ZEO .and. i-5 >= imin .and. i+3 <= imax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                          &
+                  Sfx(i,j,k)*d840dx*(-F5*fh(i+3,j,k)+F60 *fh(i+2,j,k)-F420*fh(i+1,j,k)-F378*fh(i   ,j,k) &
+                                  +F1050*fh(i-1,j,k)-F420*fh(i-2,j,k)+F140*fh(i-3,j,k)- F30*fh(i-4,j,k)+THR*fh(i-5,j,k))
+
+    elseif(i+4 <= imax .and. i-4 >= imin)then
+!           3 f(i-4) - 32 f(i-3) + 168 f(i-2) - 672 f(i-1) + 672 f(i+1) - 168 f(i+2) + 32 f(i+3) - 3 f(i+4)
+!  fx(i) = -------------------------------------------------------------------------------------------------
+!                                                        840 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                              &
+                  Sfx(i,j,k)*d840dx*( THR*fh(i-4,j,k)-F32 *fh(i-3,j,k)+F168*fh(i-2,j,k)-F672*fh(i-1,j,k)+    &
+                                     F672*fh(i+1,j,k)-F168*fh(i+2,j,k)+F32 *fh(i+3,j,k)-THR *fh(i+4,j,k))
+
+     elseif(i+3 <= imax .and. i-3 >= imin)then
+!           - f(i-3) + 9 f(i-2) - 45 f(i-1) + 45 f(i+1) - 9 f(i+2) + f(i+3)
+!  fx(i) = -----------------------------------------------------------------
+!                                        60 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                              &
+                  Sfx(i,j,k)*d60dx*(-fh(i-3,j,k)+F9*fh(i-2,j,k)-F45*fh(i-1,j,k)+F45*fh(i+1,j,k)-F9*fh(i+2,j,k)+fh(i+3,j,k))
+
+     elseif(i+2 <= imax .and. i-2 >= imin)then
+!
+!              f(i-2) - 8 f(i-1) + 8 f(i+1) - f(i+2)
+!  fx(i) = ---------------------------------------------
+!                             12 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                           &
+                  Sfx(i,j,k)*d12dx*(fh(i-2,j,k)-EIT*fh(i-1,j,k)+EIT*fh(i+1,j,k)-fh(i+2,j,k))
+
+     elseif(i+1 <= imax .and. i-1 >= imin)then
+!
+!              - f(i-1) + f(i+1)
+!  fx(i) = --------------------------------
+!                     2 dx
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfx(i,j,k)*d2dx*(-fh(i-1,j,k)+fh(i+1,j,k))
+
+! set imax and imin 0
+    endif
+
+! y direction   
+    if(Sfy(i,j,k) >= ZEO .and. j+5 <= jmax .and. j-3 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                         &
+                  Sfy(i,j,k)*d840dy*(-F5*fh(i,j-3,k)+F60 *fh(i,j-2,k)-F420*fh(i,j-1,k)-F378*fh(i,j  ,k) &
+                                  +F1050*fh(i,j+1,k)-F420*fh(i,j+2,k)+F140*fh(i,j+3,k)-F30 *fh(i,j+4,k)+THR*fh(i,j+5,k))
+
+    elseif(Sfy(i,j,k) <= ZEO .and. j-5 >= jmin .and. j+3 <= jmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                         &
+                  Sfy(i,j,k)*d840dy*(-F5*fh(i,j+3,k)+F60 *fh(i,j+2,k)-F420*fh(i,j+1,k)-F378*fh(i,j  ,k) &
+                                  +F1050*fh(i,j-1,k)-F420*fh(i,j-2,k)+F140*fh(i,j-3,k)- F30*fh(i,j-4,k)+THR*fh(i,j-5,k))
+
+    elseif(j+4 <= jmax .and. j-4 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                              &
+                  Sfy(i,j,k)*d840dy*( THR*fh(i,j-4,k)-F32 *fh(i,j-3,k)+F168*fh(i,j-2,k)-F672*fh(i,j-1,k)+    &
+                                     F672*fh(i,j+1,k)-F168*fh(i,j+2,k)+F32 *fh(i,j+3,k)-THR *fh(i,j+4,k))
+
+     elseif(j+3 <= jmax .and. j-3 >= jmin)then
+          
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                                         &
+                  Sfy(i,j,k)*d60dy*(-fh(i,j-3,k)+F9*fh(i,j-2,k)-F45*fh(i,j-1,k)+F45*fh(i,j+1,k)-F9*fh(i,j+2,k)+fh(i,j+3,k))
+
+     elseif(j+2 <= jmax .and. j-2 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfy(i,j,k)*d12dy*(fh(i,j-2,k)-EIT*fh(i,j-1,k)+EIT*fh(i,j+1,k)-fh(i,j+2,k))
+
+     elseif(j+1 <= jmax .and. j-1 >= jmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k) + Sfy(i,j,k)*d2dy*(-fh(i,j-1,k)+fh(i,j+1,k))
+! set jmin and jmax 0
+     endif
+!! z direction   
+    if(Sfz(i,j,k) >= ZEO .and. k+5 <= kmax .and. k-3 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                         &
+                  Sfz(i,j,k)*d840dz*(-F5*fh(i,j,k-3)+F60 *fh(i,j,k-2)-F420*fh(i,j,k-1)-F378*fh(i,j,k  ) &
+                                  +F1050*fh(i,j,k+1)-F420*fh(i,j,k+2)+F140*fh(i,j,k+3)-F30 *fh(i,j,k+4)+THR*fh(i,j,k+5))
+
+    elseif(Sfz(i,j,k) <= ZEO .and. k-5 >= kmin .and. k+3 <= kmax)then
+     f_rhs(i,j,k)=f_rhs(i,j,k)-                                                                         &
+                  Sfz(i,j,k)*d840dz*(-F5*fh(i,j,k+3)+F60 *fh(i,j,k+2)-F420*fh(i,j,k+1)-F378*fh(i,j,k  ) &
+                                  +F1050*fh(i,j,k-1)-F420*fh(i,j,k-2)+F140*fh(i,j,k-3)- F30*fh(i,j,k-4)+THR*fh(i,j,k-5))
+
+    elseif(k+4 <= kmax .and. k-4 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                              &
+                  Sfz(i,j,k)*d840dz*( THR*fh(i,j,k-4)-F32 *fh(i,j,k-3)+F168*fh(i,j,k-2)-F672*fh(i,j,k-1)+    &
+                                     F672*fh(i,j,k+1)-F168*fh(i,j,k+2)+F32 *fh(i,j,k+3)-THR *fh(i,j,k+4))
+     
+     elseif(k+3 <= kmax .and. k-3 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                                                         &
+                  Sfz(i,j,k)*d60dz*(-fh(i,j,k-3)+F9*fh(i,j,k-2)-F45*fh(i,j,k-1)+F45*fh(i,j,k+1)-F9*fh(i,j,k+2)+fh(i,j,k+3))
+
+     elseif(k+2 <= kmax .and. k-2 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+                                                            &
+                  Sfz(i,j,k)*d12dz*(fh(i,j,k-2)-EIT*fh(i,j,k-1)+EIT*fh(i,j,k+1)-fh(i,j,k+2))
+
+     elseif(k+1 <= kmax .and. k-1 >= kmin)then
+
+     f_rhs(i,j,k)=f_rhs(i,j,k)+Sfz(i,j,k)*d2dz*(-fh(i,j,k-1)+fh(i,j,k+1))
+! set kmin and kmax 0
+     endif
+
+  enddo
+  enddo
+  enddo
+
+  return
+
+  end subroutine lopsided
+
+#endif  

AMSS_NCKU_source/macrodef.h

@@ -2,7 +2,7 @@
 #ifndef MICRODEF_H
 #define MICRODEF_H
 
-#include "macrodef.fh"
+#include "microdef.fh"
 
 // application parameters
 

AMSS_NCKU_source/makefile

@@ -16,12 +16,6 @@ include makefile.inc
 .cu.o:
 	$(Cu) $(CUDA_APP_FLAGS) -c $< -o $@ $(CUDA_LIB_PATH)
 
-TwoPunctures.o: TwoPunctures.C
-	${CXX} $(CXXAPPFLAGS) -qopenmp -c $< -o $@
-
-TwoPunctureABE.o: TwoPunctureABE.C
-	${CXX} $(CXXAPPFLAGS) -qopenmp -c $< -o $@
-
 # Input files
 C++FILES = ABE.o Ansorg.o Block.o misc.o monitor.o Parallel.o MPatch.o var.o\
            cgh.o bssn_class.o surface_integral.o ShellPatch.o\
@@ -102,7 +96,7 @@ ABEGPU: $(C++FILES_GPU) $(F90FILES) $(F77FILES) $(AHFDOBJS) $(CUDAFILES)
 	$(CLINKER) $(CXXAPPFLAGS) -o $@ $(C++FILES_GPU) $(F90FILES) $(F77FILES) $(AHFDOBJS) $(CUDAFILES) $(LDLIBS)
 
 TwoPunctureABE: $(TwoPunctureFILES)
-	$(CLINKER) $(CXXAPPFLAGS) -qopenmp -o $@ $(TwoPunctureFILES) $(LDLIBS)
+	$(CLINKER) $(CXXAPPFLAGS) -o $@ $(TwoPunctureFILES) $(LDLIBS)
 
 clean:
 	rm *.o ABE ABEGPU TwoPunctureABE make.log -f

AMSS_NCKU_source/makefile.inc

@@ -15,10 +15,11 @@ LDLIBS  = -L${MKLROOT}/lib -lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lifcore
 ## -xHost: Optimize for the host CPU architecture (Intel/AMD compatible)
 ## -fp-model fast=2: Aggressive floating-point optimizations
 ## -fma: Enable fused multiply-add instructions
-CXXAPPFLAGS  = -O3 -xHost -fp-model fast=2 -fma -ipo \
+## Note: OpenMP has been disabled (-qopenmp removed) due to performance issues
+CXXAPPFLAGS  = -O3 -xHost -fp-model fast=2 -fma \
                -Dfortran3 -Dnewc -I${MKLROOT}/include
-f90appflags  = -O3 -xHost -fp-model fast=2 -fma -ipo \
+f90appflags  = -O3 -xHost -fp-model fast=2 -fma \
-               -align array64byte -fpp -I${MKLROOT}/include
+               -fpp -I${MKLROOT}/include
 f90          = ifx
 f77          = ifx
 CXX          = icpx
@@ -29,3 +30,4 @@ Cu = nvcc
 CUDA_LIB_PATH = -L/usr/lib/cuda/lib64 -I/usr/include -I/usr/lib/cuda/include
 #CUDA_APP_FLAGS = -c -g -O3 --ptxas-options=-v -arch compute_13 -code compute_13,sm_13 -Dfortran3 -Dnewc
 CUDA_APP_FLAGS = -c -g -O3 --ptxas-options=-v -Dfortran3 -Dnewc
+

makefile_and_run.py

@@ -10,17 +10,6 @@
 
 import AMSS_NCKU_Input as input_data
 import subprocess
-import time
-## CPU core binding configuration using taskset
-## taskset ensures all child processes inherit the CPU affinity mask
-## This forces make and all compiler processes to use only nohz_full cores (4-55, 60-111)
-## Format: taskset -c 4-55,60-111 ensures processes only run on these cores
-NUMACTL_CPU_BIND = "taskset -c 0-111"
-
-## Build parallelism configuration
-## Use nohz_full cores (4-55, 60-111) for compilation: 52 + 52 = 104 cores
-## Set make -j to utilize available cores for faster builds
-BUILD_JOBS = 104
 
 
 ##################################################################
@@ -37,11 +26,11 @@ def makefile_ABE():
     print( " Compiling the AMSS-NCKU executable file ABE/ABEGPU " ) 
     print(                                                        )
 
-    ## Build command with CPU binding to nohz_full cores
+    ## Build command
     if (input_data.GPU_Calculation == "no"):
-        makefile_command  = f"{NUMACTL_CPU_BIND} make -j{BUILD_JOBS} ABE"
+        makefile_command  = "make -j4" + " ABE"
     elif (input_data.GPU_Calculation == "yes"):
-        makefile_command  = f"{NUMACTL_CPU_BIND} make -j{BUILD_JOBS} ABEGPU"
+        makefile_command  = "make -j4" + " ABEGPU"
     else:
         print( " CPU/GPU numerical calculation setting is wrong " )
         print(                                                    )
@@ -78,8 +67,8 @@ def makefile_TwoPunctureABE():
     print( " Compiling the AMSS-NCKU executable file TwoPunctureABE " )
     print(                                                            )
     
-    ## Build command with CPU binding to nohz_full cores
+    ## Build command
-    makefile_command = f"{NUMACTL_CPU_BIND} make -j{BUILD_JOBS} TwoPunctureABE"
+    makefile_command = "make" + " TwoPunctureABE"
 
     ## Execute the command with subprocess.Popen and stream output
     makefile_process = subprocess.Popen(makefile_command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True) 
@@ -116,10 +105,10 @@ def run_ABE():
     ## Define the command to run; cast other values to strings as needed
     
     if (input_data.GPU_Calculation == "no"):
-        mpi_command         = NUMACTL_CPU_BIND + " mpirun -np " + str(input_data.MPI_processes) + " ./ABE"
+        mpi_command         = "mpirun -np " + str(input_data.MPI_processes) + " ./ABE"
         mpi_command_outfile = "ABE_out.log"
     elif (input_data.GPU_Calculation == "yes"):
-        mpi_command         = NUMACTL_CPU_BIND + " mpirun -np " + str(input_data.MPI_processes) + " ./ABEGPU"
+        mpi_command         = "mpirun -np " + str(input_data.MPI_processes) + " ./ABEGPU"
         mpi_command_outfile = "ABEGPU_out.log"
  
     ## Execute the MPI command and stream output
@@ -152,13 +141,13 @@ def run_ABE():
 ## Run the AMSS-NCKU TwoPuncture program TwoPunctureABE
 
 def run_TwoPunctureABE():
-    tp_time1=time.time()
+
     print(                                                          )
     print( " Running the AMSS-NCKU executable file TwoPunctureABE " ) 
     print(                                                          )
     
     ## Define the command to run
-    TwoPuncture_command         = NUMACTL_CPU_BIND + " ./TwoPunctureABE"
+    TwoPuncture_command         = "./TwoPunctureABE"
     TwoPuncture_command_outfile = "TwoPunctureABE_out.log"
 
     ## Execute the command with subprocess.Popen and stream output
@@ -179,9 +168,7 @@ def run_TwoPunctureABE():
     print(                                               )
     print( " The TwoPunctureABE simulation is finished " ) 
     print(                                               )
-    tp_time2=time.time()
+    
-    et=tp_time2-tp_time1
-    print(f"Used time: {et}")
     return
 
 ##################################################################