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#include "aux.h"
#include <gsl/gsl_blas.h>
#include <gsl/gsl_linalg.h>
#include <gsl/gsl_matrix.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_fft_complex.h>
#include <gsl/gsl_eigen.h>
#include <gsl/gsl_integration.h>
#include <gsl/gsl_deriv.h>
#include <gsl/gsl_poly.h>
#include <gsl/gsl_multimin.h>
#include <gsl/gsl_complex.h>
#include <gsl/gsl_complex_math.h>
#include <string.h>
#include <stdio.h>
#define MACRO(B) do {B} while (0)
#define ERROR(CODE) MACRO(return CODE;)
#define REQUIRES(COND, CODE) MACRO(if(!(COND)) {ERROR(CODE);})
#define MIN(A,B) ((A)<(B)?(A):(B))
#define MAX(A,B) ((A)>(B)?(A):(B))
#ifdef DBG
#define DEBUGMSG(M) printf("GSL Wrapper "M": "); size_t t0 = time(NULL);
#define OK MACRO(printf("%ld s\n",time(0)-t0); return 0;);
#else
#define DEBUGMSG(M)
#define OK return 0;
#endif
#define CHECK(RES,CODE) MACRO(if(RES) return CODE;)
#ifdef DBG
#define DEBUGMAT(MSG,X) printf(MSG" = \n"); gsl_matrix_fprintf(stdout,X,"%f"); printf("\n");
#else
#define DEBUGMAT(MSG,X)
#endif
#ifdef DBG
#define DEBUGVEC(MSG,X) printf(MSG" = \n"); gsl_vector_fprintf(stdout,X,"%f"); printf("\n");
#else
#define DEBUGVEC(MSG,X)
#endif
#define DVVIEW(A) gsl_vector_view A = gsl_vector_view_array(A##p,A##n)
#define DMVIEW(A) gsl_matrix_view A = gsl_matrix_view_array(A##p,A##r,A##c)
#define CVVIEW(A) gsl_vector_complex_view A = gsl_vector_complex_view_array((double*)A##p,A##n)
#define CMVIEW(A) gsl_matrix_complex_view A = gsl_matrix_complex_view_array((double*)A##p,A##r,A##c)
#define KDVVIEW(A) gsl_vector_const_view A = gsl_vector_const_view_array(A##p,A##n)
#define KDMVIEW(A) gsl_matrix_const_view A = gsl_matrix_const_view_array(A##p,A##r,A##c)
#define KCVVIEW(A) gsl_vector_complex_const_view A = gsl_vector_complex_const_view_array((double*)A##p,A##n)
#define KCMVIEW(A) gsl_matrix_complex_const_view A = gsl_matrix_complex_const_view_array((double*)A##p,A##r,A##c)
#define V(a) (&a.vector)
#define M(a) (&a.matrix)
#define GCVEC(A) int A##n, gsl_complex*A##p
#define KGCVEC(A) int A##n, const gsl_complex*A##p
#define BAD_SIZE 1000
#define BAD_CODE 1001
#define MEM 1002
#define BAD_FILE 1003
int transR(KRMAT(x),RMAT(t)) {
REQUIRES(xr==tc && xc==tr,BAD_SIZE);
DEBUGMSG("transR");
KDMVIEW(x);
DMVIEW(t);
int res = gsl_matrix_transpose_memcpy(M(t),M(x));
CHECK(res,res);
OK
}
int transC(KCMAT(x),CMAT(t)) {
REQUIRES(xr==tc && xc==tr,BAD_SIZE);
DEBUGMSG("transC");
KCMVIEW(x);
CMVIEW(t);
int res = gsl_matrix_complex_transpose_memcpy(M(t),M(x));
CHECK(res,res);
OK
}
int constantR(double * pval, RVEC(r)) {
DEBUGMSG("constantR")
int k;
double val = *pval;
for(k=0;k<rn;k++) {
rp[k]=val;
}
OK
}
int constantC(gsl_complex* pval, CVEC(r)) {
DEBUGMSG("constantC")
int k;
gsl_complex val = *pval;
for(k=0;k<rn;k++) {
rp[k]=val;
}
OK
}
int multiplyR(int ta, KRMAT(a), int tb, KRMAT(b),RMAT(r)) {
//printf("%d %d %d %d %d %d\n",ar,ac,br,bc,rr,rc);
//REQUIRES(ac==br && ar==rr && bc==rc,BAD_SIZE);
DEBUGMSG("multiplyR (gsl_blas_dgemm)");
KDMVIEW(a);
KDMVIEW(b);
DMVIEW(r);
int res = gsl_blas_dgemm(
ta?CblasTrans:CblasNoTrans,
tb?CblasTrans:CblasNoTrans,
1.0, M(a), M(b),
0.0, M(r));
CHECK(res,res);
OK
}
int multiplyC(int ta, KCMAT(a), int tb, KCMAT(b),CMAT(r)) {
//REQUIRES(ac==br && ar==rr && bc==rc,BAD_SIZE);
DEBUGMSG("multiplyC (gsl_blas_zgemm)");
KCMVIEW(a);
KCMVIEW(b);
CMVIEW(r);
gsl_complex alpha, beta;
GSL_SET_COMPLEX(&alpha,1.,0.);
GSL_SET_COMPLEX(&beta,0.,0.);
int res = gsl_blas_zgemm(
ta?CblasTrans:CblasNoTrans,
tb?CblasTrans:CblasNoTrans,
alpha, M(a), M(b),
beta, M(r));
CHECK(res,res);
OK
}
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