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/*
*
* cblas_ctrsm.c
* This program is a C interface to ctrsm.
* Written by Keita Teranishi
* 4/8/1998
*
*/
#include "cblas.h"
#include "cblas_f77.h"
void cblas_ctrsm(const CBLAS_LAYOUT layout, const CBLAS_SIDE Side,
const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE TransA,
const CBLAS_DIAG Diag, const int M, const int N,
const void *alpha, const void *A, const int lda,
void *B, const int ldb)
{
char UL, TA, SD, DI;
#ifdef F77_CHAR
F77_CHAR F77_TA, F77_UL, F77_SD, F77_DI;
#else
#define F77_TA &TA
#define F77_UL &UL
#define F77_SD &SD
#define F77_DI &DI
#endif
#ifdef F77_INT
F77_INT F77_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
#else
#define F77_M M
#define F77_N N
#define F77_lda lda
#define F77_ldb ldb
#endif
extern int CBLAS_CallFromC;
extern int RowMajorStrg;
RowMajorStrg = 0;
CBLAS_CallFromC = 1;
if( layout == CblasColMajor )
{
if( Side == CblasRight) SD='R';
else if ( Side == CblasLeft ) SD='L';
else
{
cblas_xerbla(2, "cblas_ctrsm", "Illegal Side setting, %d\n", Side);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Uplo == CblasUpper) UL='U';
else if ( Uplo == CblasLower ) UL='L';
else
{
cblas_xerbla(3, "cblas_ctrsm", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( TransA == CblasTrans) TA ='T';
else if ( TransA == CblasConjTrans ) TA='C';
else if ( TransA == CblasNoTrans ) TA='N';
else
{
cblas_xerbla(4, "cblas_ctrsm", "Illegal Trans setting, %d\n", TransA);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Diag == CblasUnit ) DI='U';
else if ( Diag == CblasNonUnit ) DI='N';
else
{
cblas_xerbla(5, "cblas_ctrsm", "Illegal Diag setting, %d\n", Diag);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TA = C2F_CHAR(&TA);
F77_SD = C2F_CHAR(&SD);
F77_DI = C2F_CHAR(&DI);
#endif
F77_ctrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, alpha, A,
&F77_lda, B, &F77_ldb);
} else if (layout == CblasRowMajor)
{
RowMajorStrg = 1;
if( Side == CblasRight) SD='L';
else if ( Side == CblasLeft ) SD='R';
else
{
cblas_xerbla(2, "cblas_ctrsm", "Illegal Side setting, %d\n", Side);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Uplo == CblasUpper) UL='L';
else if ( Uplo == CblasLower ) UL='U';
else
{
cblas_xerbla(3, "cblas_ctrsm", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( TransA == CblasTrans) TA ='T';
else if ( TransA == CblasConjTrans ) TA='C';
else if ( TransA == CblasNoTrans ) TA='N';
else
{
cblas_xerbla(4, "cblas_ctrsm", "Illegal Trans setting, %d\n", TransA);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
if( Diag == CblasUnit ) DI='U';
else if ( Diag == CblasNonUnit ) DI='N';
else
{
cblas_xerbla(5, "cblas_ctrsm", "Illegal Diag setting, %d\n", Diag);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
#ifdef F77_CHAR
F77_UL = C2F_CHAR(&UL);
F77_TA = C2F_CHAR(&TA);
F77_SD = C2F_CHAR(&SD);
F77_DI = C2F_CHAR(&DI);
#endif
F77_ctrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, alpha, A,
&F77_lda, B, &F77_ldb);
}
else cblas_xerbla(1, "cblas_ctrsm", "Illegal layout setting, %d\n", layout);
CBLAS_CallFromC = 0;
RowMajorStrg = 0;
return;
}
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