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108 lines
2.6 KiB
108 lines
2.6 KiB
/*
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*
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* cblas_csyrk.c
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* This program is a C interface to csyrk.
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* Written by Keita Teranishi
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* 4/8/1998
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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_csyrk(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo,
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const CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K,
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const void *alpha, const void *A, const CBLAS_INT lda,
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const void *beta, void *C, const CBLAS_INT ldc)
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{
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char UL, TR;
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#ifdef F77_CHAR
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F77_CHAR F77_TR, F77_UL;
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#else
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#define F77_TR &TR
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#define F77_UL &UL
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#endif
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#ifdef F77_INT
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F77_INT F77_N=N, F77_K=K, F77_lda=lda;
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F77_INT F77_ldc=ldc;
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#else
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#define F77_N N
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#define F77_K K
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#define F77_lda lda
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#define F77_ldc ldc
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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_csyrk", "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( Trans == CblasTrans) TR ='T';
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else if ( Trans == CblasConjTrans ) TR='C';
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else if ( Trans == CblasNoTrans ) TR='N';
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else
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{
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cblas_xerbla(3, "cblas_csyrk", "Illegal Trans setting, %d\n", Trans);
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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_TR = C2F_CHAR(&TR);
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#endif
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F77_csyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
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beta, C, &F77_ldc);
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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(3, "cblas_csyrk", "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( Trans == CblasTrans) TR ='N';
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else if ( Trans == CblasConjTrans ) TR='N';
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else if ( Trans == CblasNoTrans ) TR='T';
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else
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{
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cblas_xerbla(3, "cblas_csyrk", "Illegal Trans setting, %d\n", Trans);
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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_TR = C2F_CHAR(&TR);
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#endif
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F77_csyrk(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda,
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beta, C, &F77_ldc);
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}
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else cblas_xerbla(1, "cblas_csyrk", "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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