Add C kernel for BSSN-EM (Maxwell/electromagnetic field) RHS computation

New bssn_em_rhs_c.C computes EM field RHS (E,B,Kpsi,Kphi) and stress-energy
tensor, then calls the C BSSN RHS kernel with source terms. Replaces empart.f90
when USE_CXX_EM_KERNEL=1. Supports all ghost_width orders via existing derivative
kernels. Controlled by USE_CXX_EM_KERNEL switch (default 0, experimental).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
2026-05-14 11:25:08 +08:00
parent ce1fdc9686
commit 461dfb99d8
4 changed files with 442 additions and 62 deletions

View File

@@ -22,32 +22,32 @@
#define f_compute_rhs_Z4c_ss COMPUTE_RHS_Z4C_SS
#define f_compute_constraint_fr COMPUTE_CONSTRAINT_FR
#endif
#ifdef fortran3
#define f_compute_rhs_bssn compute_rhs_bssn_
#ifdef fortran3
#define f_compute_rhs_bssn compute_rhs_bssn_
#define f_compute_rhs_bssn_ss compute_rhs_bssn_ss_
#define f_compute_rhs_bssn_escalar compute_rhs_bssn_escalar_
#define f_compute_rhs_bssn_escalar_ss compute_rhs_bssn_escalar_ss_
#define f_compute_rhs_Z4c compute_rhs_z4c_
#define f_compute_rhs_Z4cnot compute_rhs_z4cnot_
#define f_compute_rhs_Z4c_ss compute_rhs_z4c_ss_
#define f_compute_constraint_fr compute_constraint_fr_
#endif
#ifdef __cplusplus
extern "C"
{
#endif
void f_bssn_rhs_kernel_timing_reset();
int f_bssn_rhs_kernel_timing_bucket_count();
const double *f_bssn_rhs_kernel_timing_local_seconds();
const char *f_bssn_rhs_kernel_timing_label(int);
#ifdef __cplusplus
}
#endif
extern "C"
{
int f_compute_rhs_bssn(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
#define f_compute_constraint_fr compute_constraint_fr_
#endif
#ifdef __cplusplus
extern "C"
{
#endif
void f_bssn_rhs_kernel_timing_reset();
int f_bssn_rhs_kernel_timing_bucket_count();
const double *f_bssn_rhs_kernel_timing_local_seconds();
const char *f_bssn_rhs_kernel_timing_label(int);
#ifdef __cplusplus
}
#endif
extern "C"
{
int f_compute_rhs_bssn(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
@@ -63,34 +63,34 @@ extern "C"
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Ricci
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
}
int f_compute_rhs_bssn_escalar_c(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
double *, double *, double *, // Gam
double *, double *, double *, double *, double *, double *, double *, // Gauge
double *, double *, // Sphi, Spi
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
double *, double *, double *, // Gam
double *, double *, double *, double *, double *, double *, double *, // Gauge
double *, double *, // Sphi, Spi
double *, double *, double *, double *, double *, double *, double *, double *, double *, double *, // stress-energy
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Ricci
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
extern "C"
{
int f_compute_rhs_bssn_ss(int *, double &, double *, double *, double *, // ex,T,rho,sigma,R
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
}
int f_compute_rhs_bssn_escalar_c(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
double *, double *, double *, // Gam
double *, double *, double *, double *, double *, double *, double *, // Gauge
double *, double *, // Sphi, Spi
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
double *, double *, double *, // Gam
double *, double *, double *, double *, double *, double *, double *, // Gauge
double *, double *, // Sphi, Spi
double *, double *, double *, double *, double *, double *, double *, double *, double *, double *, // stress-energy
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Ricci
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
extern "C"
{
int f_compute_rhs_bssn_ss(int *, double &, double *, double *, double *, // ex,T,rho,sigma,R
double *, double *, double *, // X,Y,Z
double *, double *, double *, // drhodx,drhody,drhodz
double *, double *, double *, // dsigmadx,dsigmady,dsigmadz
@@ -117,10 +117,10 @@ extern "C"
int &, int &, double &, int &, int &);
}
extern "C"
{
int f_compute_rhs_bssn_escalar(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
double *, double *, // chi, trK
extern "C"
{
int f_compute_rhs_bssn_escalar(int *, double &, double *, double *, double *, // ex,T,X,Y,Z
double *, double *, // chi, trK
double *, double *, double *, double *, double *, double *, // gij
double *, double *, double *, double *, double *, double *, // Aij
double *, double *, double *, // Gam
@@ -137,14 +137,14 @@ extern "C"
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Christoffel
double *, double *, double *, double *, double *, double *, // Ricci
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
}
extern "C"
{
int f_compute_rhs_bssn_escalar_ss(int *, double &, double *, double *, double *, // ex,T,rho,sigma,R
double *, double *, double *, // X,Y,Z
double *, double *, double *, double *, double *, double *, double *, // constraint violation
int &, int &, double &, int &);
}
extern "C"
{
int f_compute_rhs_bssn_escalar_ss(int *, double &, double *, double *, double *, // ex,T,rho,sigma,R
double *, double *, double *, // X,Y,Z
double *, double *, double *, // drhodx,drhody,drhodz
double *, double *, double *, // dsigmadx,dsigmady,dsigmadz
double *, double *, double *, // dRdx,dRdy,dRdz
@@ -262,4 +262,31 @@ extern "C"
double *);
} // FR_cons
// BSSN-EM C kernel (replaces empart.f90 + bssn_rhs.f90 for BSSN+Maxwell)
int f_compute_rhs_bssn_em_c(int *, double &, double *, double *, double *,
double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *,
double *, double *, double *, double *, double *, double *, double *,
double *, double *, double *,
double *, double *, double *, double *, double *, double *, double *, double *,
double *, double *, double *,
double *, double *,
double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *,
double *, double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *, double *, double *,
double *, double *, double *,
double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
double *, double *, double *, double *, double *, double *,
int &, int &, double &, int &);
#endif /* BSSN_H */