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cblas_dtpsv.c
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/*
* cblas_dtpsv.c
* The program is a C interface to dtpsv.
*
* Keita Teranishi 5/20/98
*
*/
#include"cblas.h"
#include"cblas_f77.h"
voidcblas_dtpsv(constCBLAS_LAYOUTlayout, constCBLAS_UPLOUplo,
constCBLAS_TRANSPOSETransA, constCBLAS_DIAGDiag,
constintN, constdouble*Ap, double*X, constintincX)
{
charTA;
charUL;
charDI;
#ifdefF77_CHAR
F77_CHARF77_TA, F77_UL, F77_DI;
#else
#defineF77_TA &TA
#defineF77_UL &UL
#defineF77_DI &DI
#endif
#ifdefF77_INT
F77_INTF77_N=N, F77_incX=incX;
#else
#defineF77_N N
#defineF77_incX incX
#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_dtpsv","Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
if (TransA==CblasNoTrans) TA='N';
elseif (TransA==CblasTrans) TA='T';
elseif (TransA==CblasConjTrans) TA='C';
else
{
cblas_xerbla(3, "cblas_dtpsv","Illegal TransA setting, %d\n", TransA);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
if (Diag==CblasUnit) DI='U';
elseif (Diag==CblasNonUnit) DI='N';
else
{
cblas_xerbla(4, "cblas_dtpsv","Illegal Diag setting, %d\n", Diag);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
#ifdefF77_CHAR
F77_UL=C2F_CHAR(&UL);
F77_TA=C2F_CHAR(&TA);
F77_DI=C2F_CHAR(&DI);
#endif
F77_dtpsv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X, &F77_incX);
}
elseif (layout==CblasRowMajor)
{
RowMajorStrg=1;
if (Uplo==CblasUpper) UL='L';
elseif (Uplo==CblasLower) UL='U';
else
{
cblas_xerbla(2, "cblas_dtpsv","Illegal Uplo setting, %d\n", Uplo);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
if (TransA==CblasNoTrans) TA='T';
elseif (TransA==CblasTrans) TA='N';
elseif (TransA==CblasConjTrans) TA='N';
else
{
cblas_xerbla(3, "cblas_dtpsv","Illegal TransA setting, %d\n", TransA);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
if (Diag==CblasUnit) DI='U';
elseif (Diag==CblasNonUnit) DI='N';
else
{
cblas_xerbla(4, "cblas_dtpsv","Illegal Diag setting, %d\n", Diag);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}
#ifdefF77_CHAR
F77_UL=C2F_CHAR(&UL);
F77_TA=C2F_CHAR(&TA);
F77_DI=C2F_CHAR(&DI);
#endif
F77_dtpsv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X,&F77_incX);
}
elsecblas_xerbla(1, "cblas_dtpsv", "Illegal layout setting, %d\n", layout);
CBLAS_CallFromC=0;
RowMajorStrg=0;
return;
}