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/*
*
* cblas_csyrk.c
* This program is a C interface to csyrk.
* Written by Keita Teranishi
* 4/8/1998
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_csyrk(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
const CBLAS_TRANSPOSE Trans, const int N, const int K,
const void *alpha, const void *A, const int lda,
const void *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_INT F77_ldc=ldc;
#else
#define F77_N N
#define F77_K K
#define F77_lda lda
#define F77_ldc ldc
#endif
extern int CBLAS_CallFromC;
extern int RowMajorStrg;
RowMajorStrg = 0;
CBLAS_CallFromC = 1;
if( layout == CblasColMajor )
{
if( Uplo == CblasUpper) UL='U';
else if ( Uplo == CblasLower ) UL='L';
else
{
cblas_xerbla(2, "cblas_csyrk", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Trans == CblasTrans) TR ='T';
else if ( Trans == CblasConjTrans ) TR='C';
else if ( Trans == CblasNoTrans ) TR='N';
else
{
cblas_xerbla(3, "cblas_csyrk", "Illegal Trans setting, %d\n", Trans);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TR = C2F_CHAR(&TR);
#endif
F77_csyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
beta, C, &F77_ldc);
} else if (layout == CblasRowMajor)
{
RowMajorStrg = 1;
if( Uplo == CblasUpper) UL='L';
else if ( Uplo == CblasLower ) UL='U';
else
{
cblas_xerbla(3, "cblas_csyrk", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Trans == CblasTrans) TR ='N';
else if ( Trans == CblasConjTrans ) TR='N';
else if ( Trans == CblasNoTrans ) TR='T';
else
{
cblas_xerbla(3, "cblas_csyrk", "Illegal Trans setting, %d\n", Trans);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TR = C2F_CHAR(&TR);
#endif
F77_csyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
beta, C, &F77_ldc);
}
else cblas_xerbla(1, "cblas_csyrk", "Illegal layout setting, %d\n", layout);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
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