/*********************************************************************/ /* 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 "common.h" #ifdef FUNCTION_PROFILE #include "functable.h" #endif #ifdef XDOUBLE #define ERROR_NAME "XGEMV " #elif defined(DOUBLE) #define ERROR_NAME "ZGEMV " #else #define ERROR_NAME "CGEMV " #endif #ifdef SMP static int (*gemv_thread[])(BLASLONG, BLASLONG, FLOAT *, FLOAT *, BLASLONG, FLOAT * , BLASLONG, FLOAT *, BLASLONG, FLOAT *, int) = { #ifdef XDOUBLE xgemv_thread_n, xgemv_thread_t, xgemv_thread_r, xgemv_thread_c, xgemv_thread_o, xgemv_thread_u, xgemv_thread_s, xgemv_thread_d, #elif defined DOUBLE zgemv_thread_n, zgemv_thread_t, zgemv_thread_r, zgemv_thread_c, zgemv_thread_o, zgemv_thread_u, zgemv_thread_s, zgemv_thread_d, #else cgemv_thread_n, cgemv_thread_t, cgemv_thread_r, cgemv_thread_c, cgemv_thread_o, cgemv_thread_u, cgemv_thread_s, cgemv_thread_d, #endif }; #endif #ifndef CBLAS void NAME(char *TRANS, blasint *M, blasint *N, FLOAT *ALPHA, FLOAT *a, blasint *LDA, FLOAT *x, blasint *INCX, FLOAT *BETA, FLOAT *y, blasint *INCY){ char trans = *TRANS; blasint m = *M; blasint n = *N; blasint lda = *LDA; blasint incx = *INCX; blasint incy = *INCY; FLOAT *buffer; #ifdef SMP int nthreads; #endif int (*gemv[])(BLASLONG, BLASLONG, BLASLONG, FLOAT, FLOAT, FLOAT *, BLASLONG, FLOAT * , BLASLONG, FLOAT *, BLASLONG, FLOAT *) = { GEMV_N, GEMV_T, GEMV_R, GEMV_C, GEMV_O, GEMV_U, GEMV_S, GEMV_D, }; blasint info; blasint lenx, leny; blasint i; PRINT_DEBUG_NAME; FLOAT alpha_r = *(ALPHA + 0); FLOAT alpha_i = *(ALPHA + 1); FLOAT beta_r = *(BETA + 0); FLOAT beta_i = *(BETA + 1); TOUPPER(trans); info = 0; i = -1; if (trans == 'N') i = 0; if (trans == 'T') i = 1; if (trans == 'R') i = 2; if (trans == 'C') i = 3; if (trans == 'O') i = 4; if (trans == 'U') i = 5; if (trans == 'S') i = 6; if (trans == 'D') i = 7; if (incy == 0) info = 11; if (incx == 0) info = 8; if (lda < MAX(1,m)) info = 6; if (n < 0) info = 3; if (m < 0) info = 2; if (i < 0) info = 1; trans = i; if (info != 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #else void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, blasint m, blasint n, FLOAT *ALPHA, FLOAT *a, blasint lda, FLOAT *x, blasint incx, FLOAT *BETA, FLOAT *y, blasint incy){ FLOAT *buffer; blasint lenx, leny; int trans; blasint info, t; #ifdef SMP int nthreads; #endif int (*gemv[])(BLASLONG, BLASLONG, BLASLONG, FLOAT, FLOAT, FLOAT *, BLASLONG, FLOAT * , BLASLONG, FLOAT *, BLASLONG, FLOAT *) = { GEMV_N, GEMV_T, GEMV_R, GEMV_C, GEMV_O, GEMV_U, GEMV_S, GEMV_D, }; PRINT_DEBUG_CNAME; FLOAT alpha_r = *(ALPHA + 0); FLOAT alpha_i = *(ALPHA + 1); FLOAT beta_r = *(BETA + 0); FLOAT beta_i = *(BETA + 1); trans = -1; info = 0; if (order == CblasColMajor) { if (TransA == CblasNoTrans) trans = 0; if (TransA == CblasTrans) trans = 1; if (TransA == CblasConjNoTrans) trans = 2; if (TransA == CblasConjTrans) trans = 3; info = -1; if (incy == 0) info = 11; if (incx == 0) info = 8; if (lda < MAX(1, m)) info = 6; if (n < 0) info = 3; if (m < 0) info = 2; if (trans < 0) info = 1; } if (order == CblasRowMajor) { if (TransA == CblasNoTrans) trans = 1; if (TransA == CblasTrans) trans = 0; if (TransA == CblasConjNoTrans) trans = 3; if (TransA == CblasConjTrans) trans = 2; info = -1; t = n; n = m; m = t; if (incy == 0) info = 11; if (incx == 0) info = 8; if (lda < MAX(1, m)) info = 6; if (n < 0) info = 3; if (m < 0) info = 2; if (trans < 0) info = 1; } if (info >= 0) { BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME)); return; } #endif /* Quick return if possible. */ if (m == 0 || n == 0) return; lenx = n; leny = m; if (trans & 1) lenx = m; if (trans & 1) leny = n; if (beta_r != ONE || beta_i != ZERO) SCAL_K(leny, 0, 0, beta_r, beta_i, y, abs(incy), NULL, 0, NULL, 0); if (alpha_r == ZERO && alpha_i == ZERO) return; IDEBUG_START; FUNCTION_PROFILE_START(); if (incx < 0) x -= (lenx - 1) * incx * 2; if (incy < 0) y -= (leny - 1) * incy * 2; buffer = (FLOAT *)blas_memory_alloc(1); #ifdef SMP nthreads = num_cpu_avail(2); if (nthreads == 1) { #endif (gemv[(int)trans])(m, n, 0, alpha_r, alpha_i, a, lda, x, incx, y, incy, buffer); #ifdef SMP } else { (gemv_thread[(int)trans])(m, n, ALPHA, a, lda, x, incx, y, incy, buffer, nthreads); } #endif blas_memory_free(buffer); FUNCTION_PROFILE_END(4, m * n + m + n, 2 * m * n); IDEBUG_END; return; }