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154 lines
4.0 KiB
154 lines
4.0 KiB
/*
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*
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* cblas_dtrsm.c
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* This program is a C interface to dtrsm.
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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_dtrsm(const enum CBLAS_ORDER Order, const enum CBLAS_SIDE Side,
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const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE TransA,
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const enum CBLAS_DIAG Diag, const int M, const int N,
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const double alpha, const double *A, const int lda,
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double *B, const int ldb)
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{
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char UL, TA, SD, DI;
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#ifdef F77_CHAR
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F77_CHAR F77_TA, F77_UL, F77_SD, 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_SD &SD
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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_M=M, F77_N=N, F77_lda=lda, F77_ldb=ldb;
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#else
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#define F77_M M
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#define F77_N N
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#define F77_lda lda
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#define F77_ldb ldb
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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( Order == CblasColMajor )
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{
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if ( Side == CblasRight) SD='R';
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else if ( Side == CblasLeft ) SD='L';
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else
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{
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cblas_xerbla(2, "cblas_dtrsm","Illegal Side setting, %d\n", Side);
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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 ( 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(3, "cblas_dtrsm","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 == CblasTrans ) TA='T';
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else if ( TransA == CblasConjTrans) TA='C';
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else if ( TransA == CblasNoTrans ) TA='N';
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else
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{
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cblas_xerbla(4, "cblas_dtrsm","Illegal Trans 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(5, "cblas_dtrsm","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_SD = C2F_CHAR(&SD);
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F77_DI = C2F_CHAR(&DI);
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#endif
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F77_dtrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_M, &F77_N, &alpha,
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A, &F77_lda, B, &F77_ldb);
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}
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else if (Order == CblasRowMajor)
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{
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RowMajorStrg = 1;
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if ( Side == CblasRight) SD='L';
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else if ( Side == CblasLeft ) SD='R';
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else
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{
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cblas_xerbla(2, "cblas_dtrsm","Illegal Side setting, %d\n", Side);
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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 ( 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(3, "cblas_dtrsm","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 == CblasTrans ) TA='T';
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else if ( TransA == CblasConjTrans) TA='C';
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else if ( TransA == CblasNoTrans ) TA='N';
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else
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{
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cblas_xerbla(4, "cblas_dtrsm","Illegal Trans 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(5, "cblas_dtrsm","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_SD = C2F_CHAR(&SD);
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F77_DI = C2F_CHAR(&DI);
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#endif
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F77_dtrsm(F77_SD, F77_UL, F77_TA, F77_DI, &F77_N, &F77_M, &alpha, A,
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&F77_lda, B, &F77_ldb);
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}
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else cblas_xerbla(1, "cblas_dtrsm","Illegal Order setting, %d\n", Order);
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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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