[TEST]UPSTREAM: Pick some source changes from 48080d0a97

* Sync new folder structure
This commit is contained in:
2026-04-23 20:55:40 +08:00
parent c185f99ee3
commit 17109fde9b
211 changed files with 189504 additions and 189280 deletions

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#ifdef newc
#include <algorithm>
#include <functional>
#include <vector>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cstdlib>
#include <cstdio>
#include <string>
#include <cmath>
#include <strstream>
using namespace std;
#else
#include <iostream.h>
#include <iomanip.h>
#include <fstream.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#endif
#include "TwoPunctures.h"
inline string &lTrim(string &ss)
{
string::iterator p = find_if(ss.begin(), ss.end(), not1(ptr_fun<int, int>(isspace)));
ss.erase(ss.begin(), p);
return ss;
}
inline string &rTrim(string &ss)
{
string::reverse_iterator p = find_if(ss.rbegin(), ss.rend(), not1(ptr_fun<int, int>(isspace)));
ss.erase(p.base(), ss.end());
return ss;
}
inline string &Trim(string &st)
{
lTrim(rTrim(st));
return st;
}
int parse_parts(string str, string &sgrp, string &skey, string &sval, int &ind)
{
int pos1, pos2;
string s0;
ind = 0;
// remove comments
str = str.substr(0, str.find("#"));
if (rTrim(str).empty())
return 0; // continue;
// parse {group, key, val}
pos1 = str.find("::");
pos2 = str.find("=");
if (pos1 == string::npos || pos2 == string::npos)
return -1;
s0 = str.substr(0, pos1);
sgrp = lTrim(s0);
s0 = str.substr(pos1 + 2, pos2 - pos1 - 2);
skey = rTrim(s0);
s0 = str.substr(pos2 + 1);
sval = Trim(s0);
pos1 = sval.find("\"");
pos2 = sval.rfind("\"");
if (pos1 != string::npos)
{
sval = sval.substr(1, pos2 - 1);
}
pos1 = skey.find("[");
pos2 = skey.find("]");
if (pos1 != string::npos)
{
s0 = skey.substr(0, pos1);
ind = atoi(skey.substr(pos1 + 1, pos2 - pos1 - 1).c_str());
skey = s0;
}
return 1;
}
//=======================================
int main(int argc, char *argv[])
{
double mp, mm, b, Mp, Mm, admtol, Newtontol;
int nA, nB, nphi, Newtonmaxit;
double P_plusx, P_plusy, P_plusz;
double P_minusx, P_minusy, P_minusz;
double S_plusx, S_plusy, S_plusz;
double S_minusx, S_minusy, S_minusz;
// read parameter from file
{
const int LEN = 256;
char pline[LEN];
string str, sgrp, skey, sval;
int sind;
const char pname[] = "TwoPunctureinput.par";
ifstream inf(pname, ifstream::in);
if (!inf.good())
{
cout << "Can not open parameter file " << pname << endl;
exit(0);
}
for (int i = 1; inf.good(); i++)
{
inf.getline(pline, LEN);
str = pline;
int status = parse_parts(str, sgrp, skey, sval, sind);
if (status == -1)
{
cout << "error reading parameter file " << pname << " in line " << i << endl;
exit(0);
}
else if (status == 0)
continue;
// we assume input in Brugmann's convention
if (sgrp == "ABE")
{
if (skey == "mm")
mm = atof(sval.c_str());
else if (skey == "mp")
mp = atof(sval.c_str());
else if (skey == "b")
b = atof(sval.c_str());
else if (skey == "P_plusx")
P_plusy = -atof(sval.c_str());
else if (skey == "P_plusy")
P_plusx = atof(sval.c_str());
else if (skey == "P_plusz")
P_plusz = atof(sval.c_str());
else if (skey == "P_minusx")
P_minusy = -atof(sval.c_str());
else if (skey == "P_minusy")
P_minusx = atof(sval.c_str());
else if (skey == "P_minusz")
P_minusz = atof(sval.c_str());
else if (skey == "S_plusx")
S_plusy = -atof(sval.c_str());
else if (skey == "S_plusy")
S_plusx = atof(sval.c_str());
else if (skey == "S_plusz")
S_plusz = atof(sval.c_str());
else if (skey == "S_minusx")
S_minusy = -atof(sval.c_str());
else if (skey == "S_minusy")
S_minusx = atof(sval.c_str());
else if (skey == "S_minusz")
S_minusz = atof(sval.c_str());
else if (skey == "Mp")
Mp = atof(sval.c_str());
else if (skey == "Mm")
Mm = atof(sval.c_str());
else if (skey == "admtol")
admtol = atof(sval.c_str());
else if (skey == "Newtontol")
Newtontol = atof(sval.c_str());
else if (skey == "nA")
nA = atoi(sval.c_str());
else if (skey == "nB")
nB = atoi(sval.c_str());
else if (skey == "nphi")
nphi = atoi(sval.c_str());
else if (skey == "Newtonmaxit")
Newtonmaxit = atoi(sval.c_str());
}
}
inf.close();
}
// echo parameters
{
cout << "///////////////////////////////////////////////////////////////" << endl;
cout << " mp = " << mp << endl;
cout << " mm = " << mm << endl;
cout << " b = " << b << endl;
cout << " P_plusx = " << P_plusx << endl;
cout << " P_plusy = " << P_plusy << endl;
cout << " P_plusz = " << P_plusz << endl;
cout << " P_minusx = " << P_minusx << endl;
cout << " P_minusy = " << P_minusy << endl;
cout << " P_minusz = " << P_minusz << endl;
cout << " S_plusx = " << S_plusx << endl;
cout << " S_plusy = " << S_plusy << endl;
cout << " S_plusz = " << S_plusz << endl;
cout << " S_minusx = " << S_minusx << endl;
cout << " S_minusy = " << S_minusy << endl;
cout << " S_minusz = " << S_minusz << endl;
cout << " Mp = " << Mp << endl;
cout << " Mm = " << Mm << endl;
cout << " admtol = " << admtol << endl;
cout << " Newtontol = " << Newtontol << endl;
cout << " nA = " << nA << endl;
cout << " nB = " << nB << endl;
cout << " nphi = " << nphi << endl;
cout << "Newtonmaxit = " << Newtonmaxit << endl;
cout << "///////////////////////////////////////////////////////////////" << endl;
}
//===========================the computation body====================================================
TwoPunctures *ADM;
ADM = new TwoPunctures(mp, mm, b, P_plusx, P_plusy, P_plusz, S_plusx, S_plusy, S_plusz,
P_minusx, P_minusy, P_minusz, S_minusx, S_minusy, S_minusz,
nA, nB, nphi, Mp, Mm, admtol, Newtontol, Newtonmaxit);
ADM->Solve();
ADM->Save("Ansorg.psid");
delete ADM;
//=======================caculation done=============================================================
cout << "===============================================================" << endl;
cout << "Initial data is successfully producede!!" << endl;
exit(0);
}

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#ifndef TWO_PUNCTURES_H
#define TWO_PUNCTURES_H
#include <omp.h>
#define StencilSize 19
#define N_PlaneRelax 1
#define NRELAX 200
#define Step_Relax 1
#define Pi 3.14159265358979323846264338328
#define Pih 1.57079632679489661923132169164 /* Pi/2*/
#define Piq 0.78539816339744830961566084582 /* Pi/4*/
#define TINY 1.0e-20
class TwoPunctures
{
public:
typedef struct DERIVS
{
double *d0, *d1, *d2, *d3, *d11, *d12, *d13, *d22, *d23, *d33;
} derivs;
double *F;
derivs u, v;
private:
double par_m_plus, par_m_minus, par_b;
double par_P_plus[3], par_P_minus[3];
double par_S_plus[3], par_S_minus[3];
int npoints_A, npoints_B, npoints_phi;
double target_M_plus, target_M_minus;
double admMass;
double adm_tol;
double Newton_tol;
int Newton_maxit;
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;
double b;
};
public:
TwoPunctures(double mp, double mm, double b, double P_plusx, double P_plusy, double P_plusz,
double S_plusx, double S_plusy, double S_plusz,
double P_minusx, double P_minusy, double P_minusz,
double S_minusx, double S_minusy, double S_minusz,
int nA, int nB, int nphi,
double Mp, double Mm, double admtol, double Newtontol,
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);
int *ivector(long nl, long nh);
double *dvector(long nl, long nh);
int **imatrix(long nrl, long nrh, long ncl, long nch);
double **dmatrix(long nrl, long nrh, long ncl, long nch);
double ***d3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh);
void free_ivector(int *v, long nl, long nh);
void free_dvector(double *v, long nl, long nh);
void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch);
void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch);
void free_d3tensor(double ***t, long nrl, long nrh, long ncl, long nch,
long ndl, long ndh);
int minimum2(int i, int j);
int minimum3(int i, int j, int k);
int maximum2(int i, int j);
int maximum3(int i, int j, int k);
int pow_int(int mantisse, int exponent);
void chebft_Zeros(double u[], int n, int inv);
void chebft_Extremes(double u[], int n, int inv);
void chder(double *c, double *cder, int n);
double chebev(double a, double b, double c[], int m, double x);
void fourft(double *u, int N, int inv);
void fourder(double u[], double du[], int N);
void fourder2(double u[], double d2u[], int N);
double fourev(double *u, int N, double x);
double norm1(double *v, int n);
double norm2(double *v, int n);
double scalarproduct(double *v, double *w, int n);
double PunctIntPolAtArbitPosition(int ivar, int nvar, int n1,
int n2, int n3, derivs v, double x, double y,
double z);
double PunctEvalAtArbitPosition(double *v, int ivar, double A, double B, double phi,
int nvar, int n1, int n2, int n3);
void AB_To_XR(int nvar, double A, double B, double *X, double *R,
derivs U);
void C_To_c(int nvar, double X, double R, double *x, double *r,
derivs U);
void rx3_To_xyz(int nvar, double x, double r, double phi,
double *y, double *z, derivs U);
void Derivatives_AB3(int nvar, int n1, int n2, int n3, derivs v);
void Newton(int const nvar, int const n1, int const n2, int const n3,
derivs v, double const tol, int const itmax);
void F_of_v(int nvar, int n1, int n2, int n3, derivs v, double *F,
derivs u);
double norm_inf(double const *F, int const ntotal);
int bicgstab(int const nvar, int const n1, int const n2, int const n3,
derivs v, derivs dv, int const itmax, double const tol,
double *normres);
void allocate_derivs(derivs *v, int n);
void free_derivs(derivs *v, int n);
int Index(int ivar, int i, int j, int k, int nvar, int n1, int n2, int n3);
void NonLinEquations(double rho_adm, double A, double B, double X, double R, double x, double r, double phi,
double y, double z, derivs U, double *values);
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 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 ThomasAlgorithm(int N, double *b, double *a, double *c, double *x, double *q);
void Save(char *fname);
// provided by Vasileios Paschalidis (vpaschal@illinois.edu)
double Spec_IntPolABphiFast(parameters par, double *v, int ivar, double A, double B, double phi);
double Spec_IntPolFast(parameters par, int ivar, double *v, double x, double y, double z);
void SpecCoef(parameters par, int ivar, double *v, double *cf);
};
#endif /* TWO_PUNCTURES_H */