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#include "auxi.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_complex.h>
#include <gsl/gsl_complex_math.h>
#include <gsl/gsl_cblas.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 OK return 0;
#define MIN(A,B) ((A)<(B)?(A):(B))
#define MAX(A,B) ((A)>(B)?(A):(B))
#ifdef DBG
#define DEBUGMSG(M) printf("*** calling aux C function: %s\n",M);
#else
#define DEBUGMSG(M)
#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 2000
#define BAD_CODE 2001
#define MEM 2002
#define BAD_FILE 2003
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 submatrixR(int r1, int r2, int c1, int c2, KRMAT(x),RMAT(r)) {
REQUIRES(0<=r1 && r1<=r2 && r2<xr && 0<=c1 && c1<=c2 && c2<xc &&
rr==r2-r1+1 && rc==c2-c1+1,BAD_SIZE);
DEBUGMSG("submatrixR");
KDMVIEW(x);
DMVIEW(r);
gsl_matrix_const_view S = gsl_matrix_const_submatrix(M(x),r1,c1,rr,rc);
int res = gsl_matrix_memcpy(M(r),M(S));
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 diagR(KRVEC(d),RMAT(r)) {
REQUIRES(dn==rr && rr==rc,BAD_SIZE);
DEBUGMSG("diagR");
int i,j;
for (i=0;i<rr;i++) {
for(j=0;j<rc;j++) {
rp[i*rc+j] = i==j?dp[i]:0.;
}
}
OK
}
int diagC(KCVEC(d),CMAT(r)) {
REQUIRES(dn==rr && rr==rc,BAD_SIZE);
DEBUGMSG("diagC");
int i,j;
gsl_complex zero;
GSL_SET_COMPLEX(&zero,0.,0.);
for (i=0;i<rr;i++) {
for(j=0;j<rc;j++) {
rp[i*rc+j] = i==j?dp[i]:zero;
}
}
OK
}
int conjugate(KCVEC(x),CVEC(t)) {
REQUIRES(xn==tn,BAD_SIZE);
DEBUGMSG("conjugate");
int k;
for (k=0; k<xn; k++) {
tp[k].dat[0] = xp[k].dat[0];
tp[k].dat[1] = - xp[k].dat[1];
}
OK
}
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