/* * * cblas_strsm.c * This program is a C interface to strsm. * Written by Keita Teranishi * 4/6/1998 * */ #include "cblas.h" #include "cblas_f77.h" void cblas_strsm(const CBLAS_LAYOUT layout, const CBLAS_SIDE Side, const CBLAS_UPLO Uplo, const CBLAS_TRANSPOSE TransA, const CBLAS_DIAG Diag, const CBLAS_INT M, const CBLAS_INT N, const float alpha, const float *A, const CBLAS_INT lda, float *B, const CBLAS_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_strsm", "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_strsm", "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_strsm", "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_strsm", "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_strsm(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_strsm", "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_strsm", "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_strsm", "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_strsm", "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_strsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A, &F77_lda, B, &F77_ldb); } else cblas_xerbla(1, "cblas_strsm", "Illegal layout setting, %d\n", layout); CBLAS_CallFromC = 0; RowMajorStrg = 0; return; }