243 lines
7.2 KiB
C
243 lines
7.2 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include <ctype.h>
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#include "common.h"
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#ifdef FUNCTION_PROFILE
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#include "functable.h"
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#endif
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#ifdef XDOUBLE
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#define ERROR_NAME "QTRMV "
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#elif defined(DOUBLE)
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#define ERROR_NAME "DTRMV "
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#else
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#define ERROR_NAME "STRMV "
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#endif
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static int (*trmv[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *) = {
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#ifdef XDOUBLE
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qtrmv_NUU, qtrmv_NUN, qtrmv_NLU, qtrmv_NLN,
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qtrmv_TUU, qtrmv_TUN, qtrmv_TLU, qtrmv_TLN,
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#elif defined(DOUBLE)
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dtrmv_NUU, dtrmv_NUN, dtrmv_NLU, dtrmv_NLN,
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dtrmv_TUU, dtrmv_TUN, dtrmv_TLU, dtrmv_TLN,
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#else
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strmv_NUU, strmv_NUN, strmv_NLU, strmv_NLN,
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strmv_TUU, strmv_TUN, strmv_TLU, strmv_TLN,
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#endif
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};
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#ifdef SMP
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static int (*trmv_thread[])(BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = {
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#ifdef XDOUBLE
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qtrmv_thread_NUU, qtrmv_thread_NUN, qtrmv_thread_NLU, qtrmv_thread_NLN,
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qtrmv_thread_TUU, qtrmv_thread_TUN, qtrmv_thread_TLU, qtrmv_thread_TLN,
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#elif defined(DOUBLE)
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dtrmv_thread_NUU, dtrmv_thread_NUN, dtrmv_thread_NLU, dtrmv_thread_NLN,
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dtrmv_thread_TUU, dtrmv_thread_TUN, dtrmv_thread_TLU, dtrmv_thread_TLN,
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#else
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strmv_thread_NUU, strmv_thread_NUN, strmv_thread_NLU, strmv_thread_NLN,
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strmv_thread_TUU, strmv_thread_TUN, strmv_thread_TLU, strmv_thread_TLN,
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#endif
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};
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#endif
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#ifndef CBLAS
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void NAME(char *UPLO, char *TRANS, char *DIAG,
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blasint *N, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){
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char uplo_arg = *UPLO;
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char trans_arg = *TRANS;
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char diag_arg = *DIAG;
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blasint n = *N;
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blasint lda = *LDA;
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blasint incx = *INCX;
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blasint info;
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int uplo;
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int unit;
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int trans;
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FLOAT *buffer;
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#ifdef SMP
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int nthreads;
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#endif
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PRINT_DEBUG_NAME;
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TOUPPER(uplo_arg);
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TOUPPER(trans_arg);
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TOUPPER(diag_arg);
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trans = -1;
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unit = -1;
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uplo = -1;
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if (trans_arg == 'N') trans = 0;
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if (trans_arg == 'T') trans = 1;
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if (trans_arg == 'R') trans = 0;
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if (trans_arg == 'C') trans = 1;
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if (diag_arg == 'U') unit = 0;
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if (diag_arg == 'N') unit = 1;
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if (uplo_arg == 'U') uplo = 0;
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if (uplo_arg == 'L') uplo = 1;
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info = 0;
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if (incx == 0) info = 8;
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if (lda < MAX(1, n)) info = 6;
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if (n < 0) info = 4;
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if (unit < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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if (info != 0) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#else
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void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo,
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enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag,
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blasint n, FLOAT *a, blasint lda, FLOAT *x, blasint incx) {
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int trans, uplo, unit;
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blasint info;
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FLOAT *buffer;
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#ifdef SMP
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int nthreads;
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#endif
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PRINT_DEBUG_CNAME;
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unit = -1;
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uplo = -1;
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trans = -1;
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info = 0;
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if (order == CblasColMajor) {
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if (Uplo == CblasUpper) uplo = 0;
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if (Uplo == CblasLower) uplo = 1;
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if (TransA == CblasNoTrans) trans = 0;
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if (TransA == CblasTrans) trans = 1;
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if (TransA == CblasConjNoTrans) trans = 0;
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if (TransA == CblasConjTrans) trans = 1;
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if (Diag == CblasUnit) unit = 0;
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if (Diag == CblasNonUnit) unit = 1;
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info = -1;
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if (incx == 0) info = 8;
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if (lda < MAX(1, n)) info = 6;
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if (n < 0) info = 4;
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if (unit < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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}
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if (order == CblasRowMajor) {
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if (Uplo == CblasUpper) uplo = 1;
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if (Uplo == CblasLower) uplo = 0;
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if (TransA == CblasNoTrans) trans = 1;
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if (TransA == CblasTrans) trans = 0;
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if (TransA == CblasConjNoTrans) trans = 1;
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if (TransA == CblasConjTrans) trans = 0;
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if (Diag == CblasUnit) unit = 0;
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if (Diag == CblasNonUnit) unit = 1;
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info = -1;
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if (incx == 0) info = 8;
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if (lda < MAX(1, n)) info = 6;
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if (n < 0) info = 4;
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if (unit < 0) info = 3;
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if (trans < 0) info = 2;
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if (uplo < 0) info = 1;
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}
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if (info >= 0) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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return;
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}
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#endif
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if (n == 0) return;
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IDEBUG_START;
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FUNCTION_PROFILE_START();
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if (incx < 0 ) x -= (n - 1) * incx;
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buffer = (FLOAT *)blas_memory_alloc(1);
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#ifdef SMP
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nthreads = num_cpu_avail(2);
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if (nthreads == 1) {
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#endif
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(trmv[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer);
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#ifdef SMP
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} else {
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(trmv_thread[(trans<<2) | (uplo<<1) | unit])(n, a, lda, x, incx, buffer, nthreads);
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}
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#endif
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blas_memory_free(buffer);
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FUNCTION_PROFILE_END(1, n * n / 2 + n, n * n);
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IDEBUG_END;
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return;
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}
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