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fortran_interface.h
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/*
wgms3d - a full-vectorial finite-difference mode solver.
Copyright (C) 2005-2012 Michael Krause <[email protected]>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _FORTRAN_INTERFACE_H
#define _FORTRAN_INTERFACE_H
#include "config.h"
#include "complex_functions.h"
extern "C"
{
/* BLAS/LAPACK functions */
extern void F77_FUNC(zgels,ZGELS) (char *TRANS, int *M, int *N, int *NRHS, std::complex<double> *A, int *LDA,
std::complex<double> *B, int *LDB, std::complex<double> *WORK, int *LWORK, int *INFO);
extern void F77_FUNC(dcopy,DCOPY) (int *n, double *x, int *incx, double *y, int *incy);
extern void F77_FUNC(zcopy,ZCOPY) (int *n, std::complex<double> *x, int *incx, std::complex<double> *y, int *incy);
extern void F77_FUNC(dscal,DSCAL) (int *n, double *alpha, double *x, int *incx);
extern void F77_FUNC(zscal,ZSCAL) (int *n, std::complex<double> *alpha, std::complex<double> *x, int *incx);
extern void F77_FUNC(daxpy,DAXPY) (int *n, double *alpha, double *x,
int *incx, double *y, int *incy);
extern void F77_FUNC(zaxpy,ZAXPY) (int *n, std::complex<double> *alpha, std::complex<double> *x,
int *incx, std::complex<double> *y, int *incy);
extern void F77_FUNC(dgemm,DGEMM) (char *TRANSA, char *TRANSB, int *M, int *N, int *K,
double *ALPHA, double *A, int *LDA, double *B, int *LDB,
double *BETA, double *C, int *LDC);
extern void F77_FUNC(zgemm,ZGEMM) (char *TRANSA, char *TRANSB, int *M, int *N, int *K,
std::complex<double> *ALPHA, std::complex<double> *A, int *LDA,
std::complex<double> *B, int *LDB,
std::complex<double> *BETA, std::complex<double> *C, int *LDC);
}
inline void COPY (int n, double *x, int incx, double *y, int incy) {
F77_FUNC(dcopy,DCOPY) (&n, x, &incx, y, &incy); }
inline void COPY (int n, std::complex<double> *x, int incx, std::complex<double> *y, int incy) {
F77_FUNC(zcopy,ZCOPY) (&n, x, &incx, y, &incy); }
inline void SCAL (int n, double alpha, double *x, int incx) {
F77_FUNC(dscal,DSCAL) (&n, &alpha, x, &incx); }
inline void SCAL (int n, std::complex<double> alpha, std::complex<double> *x, int incx) {
F77_FUNC(zscal,ZSCAL) (&n, &alpha, x, &incx); }
inline void GELS (char *TRANS, int *M, int *N, int *NRHS, std::complex<double> *A, int *LDA,
std::complex<double> *B, int *LDB, std::complex<double> *WORK, int *LWORK, int *INFO) {
F77_FUNC(zgels,ZGELS) (TRANS, M, N, NRHS, A, LDA, B, LDB, WORK, LWORK, INFO); }
inline void AXPY (int n, double alpha, double *x,
int incx, double *y, int incy) {
F77_FUNC(daxpy,DAXPY) (&n, &alpha, x, &incx, y, &incy); }
inline void AXPY (int n, std::complex<double> alpha, std::complex<double> *x,
int incx, std::complex<double> *y, int incy) {
F77_FUNC(zaxpy,ZAXPY) (&n, &alpha, x, &incx, y, &incy); }
inline void GEMM (char *TRANSA, char *TRANSB, int *M, int *N, int *K,
double *ALPHA, double *A, int *LDA, double *B, int *LDB,
double *BETA, double *C, int *LDC) {
F77_FUNC(dgemm,DGEMM) (TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC); }
inline void GEMM (char *TRANSA, char *TRANSB, int *M, int *N, int *K,
std::complex<double> *ALPHA, std::complex<double> *A, int *LDA,
std::complex<double> *B, int *LDB,
std::complex<double> *BETA, std::complex<double> *C, int *LDC) {
F77_FUNC(zgemm,ZGEMM) (TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC); }
template <class T>
void dump_fortran_matrix (T *A,
int lda,
int nrows,
int ncols)
{
int i, j;
for(i = 0; i < nrows; i++) {
for(j = 0; j < ncols; j++) {
// printf("% 2.1e+i% 2.1e ", A[i+j*lda].real(), A[i+j*lda].imag());
if(MABS(A[i+j*lda]) < 1*1e-12) {
printf(" ");
} else {
printf("% 2.2e ", A[i+j*lda]);
}
}
printf("\n");
}
}
template <class T>
void dump_fortran_matrix (std::complex<T> *A,
int lda,
int nrows,
int ncols)
{
int i, j;
for(i = 0; i < nrows; i++) {
for(j = 0; j < ncols; j++) {
printf("% 2.1e+i% 2.1e ", A[i+j*lda].real(), A[i+j*lda].imag());
}
printf("\n");
}
}
template <class T>
void dump_fortran_matrix (T *A,
int nrows,
int ncols)
{
dump_fortran_matrix(A, nrows, nrows, ncols);
}
template <class T>
void matrix_copy (T *dst,
int ldst,
T *src,
int lsrc,
int nrows,
int ncols)
{
int i, j;
for(i = 0; i < nrows; i++) {
for(j = 0; j < ncols; j++) {
dst[i + j*ldst] = src[i + j*lsrc];
}
}
}
#endif // _FORTRAN_INTERFACE_H