OpenBLAS/lapack-netlib/CBLAS/src/cblas_cherk.c at v0.3.23 · OpenMathLib/OpenBLAS · GitHub

Name: OpenBLAS/lapack-netlib/CBLAS/src/cblas_cherk.c at v0.3.23 · OpenMathLib/OpenBLAS · GitHub
Rating: 4.7 (3294 reviews)
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/*
 *
 * cblas_cherk.c
 * This program is a C interface to cherk.
 * Written by Keita Teranishi
 * 4/8/1998
 *
 */

#include"cblas.h"
#include"cblas_f77.h"
voidcblas_cherk(constCBLAS_LAYOUTlayout, constCBLAS_UPLOUplo,
constCBLAS_TRANSPOSETrans, constintN, constintK,
constfloatalpha, constvoid*A, constintlda,
constfloatbeta, void*C, constintldc)
{
charUL, TR;
#ifdefF77_CHAR
F77_CHARF77_TR, F77_UL;
#else
#defineF77_TR &TR
#defineF77_UL &UL
#endif

#ifdefF77_INT
F77_INTF77_N=N, F77_K=K, F77_lda=lda;
F77_INTF77_ldc=ldc;
#else
#defineF77_N N
#defineF77_K K
#defineF77_lda lda
#defineF77_ldc ldc
#endif

externintCBLAS_CallFromC;
externintRowMajorStrg;
RowMajorStrg=0;
CBLAS_CallFromC=1;

if( layout==CblasColMajor )
 {
if( Uplo==CblasUpper) UL='U';
elseif ( Uplo==CblasLower ) UL='L';
else
 {
cblas_xerbla(2, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
 }

if( Trans==CblasTrans) TR='T';
elseif ( Trans==CblasConjTrans ) TR='C';
elseif ( Trans==CblasNoTrans ) TR='N';
else
 {
cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
 }

#ifdefF77_CHAR
F77_UL=C2F_CHAR(&UL);
F77_TR=C2F_CHAR(&TR);
#endif

F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
&beta, C, &F77_ldc);
 } elseif (layout==CblasRowMajor)
 {
RowMajorStrg=1;
if( Uplo==CblasUpper) UL='L';
elseif ( Uplo==CblasLower ) UL='U';
else
 {
cblas_xerbla(3, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
 }
if( Trans==CblasTrans) TR='N';
elseif ( Trans==CblasConjTrans ) TR='N';
elseif ( Trans==CblasNoTrans ) TR='C';
else
 {
cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
 }

#ifdefF77_CHAR
F77_UL=C2F_CHAR(&UL);
F77_SD=C2F_CHAR(&SD);
#endif

F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
&beta, C, &F77_ldc);
 }
elsecblas_xerbla(1, "cblas_cherk", "Illegal layout setting, %d\n", layout);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}