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123 lines
3.2 KiB
123 lines
3.2 KiB
2 years ago
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/*
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*
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* cblas_strmv.c
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* This program is a C interface to strmv.
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* Written by Keita Teranishi
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* 4/6/1998
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*
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*/
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#include "cblas.h"
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#include "cblas_f77.h"
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void cblas_strmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
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const CBLAS_TRANSPOSE TransA, const CBLAS_DIAG Diag,
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const CBLAS_INT N, const float *A, const CBLAS_INT lda,
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float *X, const CBLAS_INT incX)
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{
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char TA;
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char UL;
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char DI;
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#ifdef F77_CHAR
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F77_CHAR F77_TA, F77_UL, F77_DI;
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#else
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#define F77_TA &TA
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#define F77_UL &UL
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#define F77_DI &DI
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#endif
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#ifdef F77_INT
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F77_INT F77_N=N, F77_lda=lda, F77_incX=incX;
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#else
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#define F77_N N
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#define F77_lda lda
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#define F77_incX incX
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#endif
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extern int CBLAS_CallFromC;
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extern int RowMajorStrg;
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RowMajorStrg = 0;
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CBLAS_CallFromC = 1;
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if (layout == CblasColMajor)
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{
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if (Uplo == CblasUpper) UL = 'U';
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else if (Uplo == CblasLower) UL = 'L';
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else
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{
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cblas_xerbla(2, "cblas_strmv","Illegal Uplo setting, %d\n", Uplo);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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if (TransA == CblasNoTrans) TA = 'N';
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else if (TransA == CblasTrans) TA = 'T';
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else if (TransA == CblasConjTrans) TA = 'C';
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else
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{
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cblas_xerbla(3, "cblas_strmv","Illegal TransA setting, %d\n", TransA);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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if (Diag == CblasUnit) DI = 'U';
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else if (Diag == CblasNonUnit) DI = 'N';
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else
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{
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cblas_xerbla(4, "cblas_strmv","Illegal Diag setting, %d\n", Diag);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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#ifdef F77_CHAR
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F77_UL = C2F_CHAR(&UL);
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F77_TA = C2F_CHAR(&TA);
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F77_DI = C2F_CHAR(&DI);
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#endif
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F77_strmv( F77_UL, F77_TA, F77_DI, &F77_N, A, &F77_lda, X,
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&F77_incX);
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}
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else if (layout == CblasRowMajor)
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{
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RowMajorStrg = 1;
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if (Uplo == CblasUpper) UL = 'L';
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else if (Uplo == CblasLower) UL = 'U';
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else
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{
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cblas_xerbla(2, "cblas_strmv","Illegal Uplo setting, %d\n", Uplo);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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if (TransA == CblasNoTrans) TA = 'T';
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else if (TransA == CblasTrans) TA = 'N';
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else if (TransA == CblasConjTrans) TA = 'N';
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else
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{
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cblas_xerbla(3, "cblas_strmv","Illegal TransA setting, %d\n", TransA);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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if (Diag == CblasUnit) DI = 'U';
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else if (Diag == CblasNonUnit) DI = 'N';
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else
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{
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cblas_xerbla(4, "cblas_strmv","Illegal Diag setting, %d\n", Diag);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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#ifdef F77_CHAR
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F77_UL = C2F_CHAR(&UL);
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F77_TA = C2F_CHAR(&TA);
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F77_DI = C2F_CHAR(&DI);
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#endif
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F77_strmv( F77_UL, F77_TA, F77_DI, &F77_N, A, &F77_lda, X,
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&F77_incX);
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}
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else cblas_xerbla(1, "cblas_strmv", "Illegal layout setting, %d\n", layout);
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CBLAS_CallFromC = 0;
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RowMajorStrg = 0;
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return;
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}
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