/*********************************************************************/ /* Copyright 2009, 2010 The University of Texas at Austin. */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or */ /* without modification, are permitted provided that the following */ /* conditions are met: */ /* */ /* 1. Redistributions of source code must retain the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer. */ /* */ /* 2. Redistributions in binary form must reproduce the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer in the documentation and/or other materials */ /* provided with the distribution. */ /* */ /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */ /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */ /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */ /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */ /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */ /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ /* POSSIBILITY OF SUCH DAMAGE. */ /* */ /* The views and conclusions contained in the software and */ /* documentation are those of the authors and should not be */ /* interpreted as representing official policies, either expressed */ /* or implied, of The University of Texas at Austin. */ /*********************************************************************/ #include #include #include "common.h" #ifdef FUNCTION_PROFILE #include "functable.h" #endif #ifdef XDOUBLE #define ERROR_NAME "QTBMV " #elif defined(DOUBLE) #define ERROR_NAME "DTBMV " #else #define ERROR_NAME "STBMV " #endif static int (*tbmv[])(BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, void *) = { #ifdef XDOUBLE qtbmv_NUU, qtbmv_NUN, qtbmv_NLU, qtbmv_NLN, qtbmv_TUU, qtbmv_TUN, qtbmv_TLU, qtbmv_TLN, #elif defined(DOUBLE) dtbmv_NUU, dtbmv_NUN, dtbmv_NLU, dtbmv_NLN, dtbmv_TUU, dtbmv_TUN, dtbmv_TLU, dtbmv_TLN, #else stbmv_NUU, stbmv_NUN, stbmv_NLU, stbmv_NLN, stbmv_TUU, stbmv_TUN, stbmv_TLU, stbmv_TLN, #endif }; #ifdef SMP static int (*tbmv_thread[])(BLASLONG, BLASLONG, FLOAT *, BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = { #ifdef XDOUBLE qtbmv_thread_NUU, qtbmv_thread_NUN, qtbmv_thread_NLU, qtbmv_thread_NLN, qtbmv_thread_TUU, qtbmv_thread_TUN, qtbmv_thread_TLU, qtbmv_thread_TLN, #elif defined(DOUBLE) dtbmv_thread_NUU, dtbmv_thread_NUN, dtbmv_thread_NLU, dtbmv_thread_NLN, dtbmv_thread_TUU, dtbmv_thread_TUN, dtbmv_thread_TLU, dtbmv_thread_TLN, #else stbmv_thread_NUU, stbmv_thread_NUN, stbmv_thread_NLU, stbmv_thread_NLN, stbmv_thread_TUU, stbmv_thread_TUN, stbmv_thread_TLU, stbmv_thread_TLN, #endif }; #endif #ifndef CBLAS void NAME(char *UPLO, char *TRANS, char *DIAG, blasint *N, blasint *K, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX){ char uplo_arg = *UPLO; char trans_arg = *TRANS; char diag_arg = *DIAG; blasint n = *N; blasint k = *K; blasint lda = *LDA; blasint incx = *INCX; blasint info; int uplo; int unit; int trans; FLOAT *buffer; #ifdef SMP int nthreads; #endif PRINT_DEBUG_NAME; TOUPPER(uplo_arg); TOUPPER(trans_arg); TOUPPER(diag_arg); trans = -1; unit = -1; uplo = -1; if (trans_arg == 'N') trans = 0; if (trans_arg == 'T') trans = 1; if (trans_arg == 'R') trans = 0; if (trans_arg == 'C') trans = 1; if (diag_arg == 'U') unit = 0; if (diag_arg == 'N') unit = 1; if (uplo_arg == 'U') uplo = 0; if (uplo_arg == 'L') uplo = 1; info = 0; if (incx == 0) info = 9; if (lda < k + 1) info = 7; if (k < 0) info = 5; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; if (info != 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #else void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, enum CBLAS_TRANSPOSE TransA, enum CBLAS_DIAG Diag, blasint n, blasint k, FLOAT *a, blasint lda, FLOAT *x, blasint incx) { int trans, uplo, unit; blasint info; FLOAT *buffer; #ifdef SMP int nthreads; #endif PRINT_DEBUG_CNAME; unit = -1; uplo = -1; trans = -1; info = 0; if (order == CblasColMajor) { if (Uplo == CblasUpper) uplo = 0; if (Uplo == CblasLower) uplo = 1; if (TransA == CblasNoTrans) trans = 0; if (TransA == CblasTrans) trans = 1; if (TransA == CblasConjNoTrans) trans = 0; if (TransA == CblasConjTrans) trans = 1; if (Diag == CblasUnit) unit = 0; if (Diag == CblasNonUnit) unit = 1; info = -1; if (incx == 0) info = 9; if (lda < k + 1) info = 7; if (k < 0) info = 5; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; } if (order == CblasRowMajor) { if (Uplo == CblasUpper) uplo = 1; if (Uplo == CblasLower) uplo = 0; if (TransA == CblasNoTrans) trans = 1; if (TransA == CblasTrans) trans = 0; if (TransA == CblasConjNoTrans) trans = 1; if (TransA == CblasConjTrans) trans = 0; if (Diag == CblasUnit) unit = 0; if (Diag == CblasNonUnit) unit = 1; info = -1; if (incx == 0) info = 9; if (lda < k + 1) info = 7; if (k < 0) info = 5; if (n < 0) info = 4; if (unit < 0) info = 3; if (trans < 0) info = 2; if (uplo < 0) info = 1; } if (info >= 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #endif if (n == 0) return; IDEBUG_START; FUNCTION_PROFILE_START(); if (incx < 0 ) x -= (n - 1) * incx; buffer = (FLOAT *)blas_memory_alloc(1); #ifdef SMP nthreads = num_cpu_avail(2); if (nthreads == 1) { #endif (tbmv[(trans<<2) | (uplo<<1) | unit])(n, k, a, lda, x, incx, buffer); #ifdef SMP } else { (tbmv_thread[(trans<<2) | (uplo<<1) | unit])(n, k, a, lda, x, incx, buffer, nthreads); } #endif blas_memory_free(buffer); FUNCTION_PROFILE_END(1, n * k / 2 + n, n * k); IDEBUG_END; return; }