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Diffstat (limited to 'interface/ztpsv.c')
| -rw-r--r-- | interface/ztpsv.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/interface/ztpsv.c b/interface/ztpsv.c new file mode 100644 index 000000000..fde500e37 --- /dev/null +++ b/interface/ztpsv.c @@ -0,0 +1,210 @@ +/*********************************************************************/ +/* 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 <stdio.h> +#include <ctype.h> +#include "common.h" +#ifdef FUNCTION_PROFILE +#include "functable.h" +#endif + +#ifdef XDOUBLE +#define ERROR_NAME "XTPSV " +#elif defined(DOUBLE) +#define ERROR_NAME "ZTPSV " +#else +#define ERROR_NAME "CTPSV " +#endif + +static int (*tpsv[])(BLASLONG, FLOAT *, FLOAT *, BLASLONG, void *) = { +#ifdef XDOUBLE + xtpsv_NUU, xtpsv_NUN, xtpsv_NLU, xtpsv_NLN, + xtpsv_TUU, xtpsv_TUN, xtpsv_TLU, xtpsv_TLN, + xtpsv_RUU, xtpsv_RUN, xtpsv_RLU, xtpsv_RLN, + xtpsv_CUU, xtpsv_CUN, xtpsv_CLU, xtpsv_CLN, +#elif defined(DOUBLE) + ztpsv_NUU, ztpsv_NUN, ztpsv_NLU, ztpsv_NLN, + ztpsv_TUU, ztpsv_TUN, ztpsv_TLU, ztpsv_TLN, + ztpsv_RUU, ztpsv_RUN, ztpsv_RLU, ztpsv_RLN, + ztpsv_CUU, ztpsv_CUN, ztpsv_CLU, ztpsv_CLN, +#else + ctpsv_NUU, ctpsv_NUN, ctpsv_NLU, ctpsv_NLN, + ctpsv_TUU, ctpsv_TUN, ctpsv_TLU, ctpsv_TLN, + ctpsv_RUU, ctpsv_RUN, ctpsv_RLU, ctpsv_RLN, + ctpsv_CUU, ctpsv_CUN, ctpsv_CLU, ctpsv_CLN, +#endif +}; + +#ifndef CBLAS + +void NAME(char *UPLO, char *TRANS, char *DIAG, + blasint *N, FLOAT *a, FLOAT *x, blasint *INCX){ + + char uplo_arg = *UPLO; + char trans_arg = *TRANS; + char diag_arg = *DIAG; + + blasint n = *N; + blasint incx = *INCX; + + blasint info; + int uplo; + int unit; + int trans; + FLOAT *buffer; + + 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 = 2; + if (trans_arg == 'C') trans = 3; + + 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 = 7; + 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, FLOAT *a, FLOAT *x, blasint incx) { + + int trans, uplo, unit; + blasint info; + FLOAT *buffer; + + 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 = 2; + if (TransA == CblasConjTrans) trans = 3; + + if (Diag == CblasUnit) unit = 0; + if (Diag == CblasNonUnit) unit = 1; + + info = -1; + + if (incx == 0) info = 7; + 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 = 3; + if (TransA == CblasConjTrans) trans = 2; + + if (Diag == CblasUnit) unit = 0; + if (Diag == CblasNonUnit) unit = 1; + + info = -1; + + if (incx == 0) info = 7; + 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 * 2; + + buffer = (FLOAT *)blas_memory_alloc(1); + + (tpsv[(trans<<2) | (uplo<<1) | unit])(n, a, x, incx, buffer); + + blas_memory_free(buffer); + + FUNCTION_PROFILE_END(4, n * n / 2 + n, n * n); + + IDEBUG_END; + + return; +} |