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/*
*
* cblas_zher2k.c
* This program is a C interface to zher2k.
* Written by Keita Teranishi
* 4/8/1998
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_zher2k(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
const void *alpha, const void *A, const int lda,
const void *B, const int ldb, const double beta,
void *C, const int ldc)
{
char UL, TR;
#ifdef F77_CHAR
F77_CHAR F77_TR, F77_UL;
#else
#define F77_TR &TR
#define F77_UL &UL
#endif
#ifdef F77_INT
F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
F77_INT F77_ldc=ldc;
#else
#define F77_N N
#define F77_K K
#define F77_lda lda
#define F77_ldb ldb
#define F77_ldc ldc
#endif
double ALPHA[2];
const double *alp=(double *)alpha;
if( Order == CblasColMajor )
{
if( Uplo == CblasUpper) UL='U';
else if ( Uplo == CblasLower ) UL='L';
else
{
cblas_xerbla(2, "cblas_zher2k", "Illegal Uplo setting, %d\n", Uplo);
return;
}
if( Trans == CblasTrans) TR ='T';
else if ( Trans == CblasConjTrans ) TR='C';
else if ( Trans == CblasNoTrans ) TR='N';
else
{
cblas_xerbla(3, "cblas_zher2k", "Illegal Trans setting, %d\n", Trans);
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TR = C2F_CHAR(&TR);
#endif
F77_zher2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
} else if (Order == CblasRowMajor)
{
if( Uplo == CblasUpper) UL='L';
else if ( Uplo == CblasLower ) UL='U';
else
{
cblas_xerbla(2, "cblas_zher2k", "Illegal Uplo setting, %d\n", Uplo);
return;
}
if( Trans == CblasTrans) TR ='N';
else if ( Trans == CblasConjTrans ) TR='N';
else if ( Trans == CblasNoTrans ) TR='C';
else
{
cblas_xerbla(3, "cblas_zher2k", "Illegal Trans setting, %d\n", Trans);
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TR = C2F_CHAR(&TR);
#endif
ALPHA[0]= *alp;
ALPHA[1]= -alp[1];
F77_zher2k(F77_UL,F77_TR, &F77_N, &F77_K, ALPHA, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
} else cblas_xerbla(1, "cblas_zher2k", "Illegal Order setting, %d\n", Order);
return;
}
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