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Diffstat (limited to 'interface/tpsv.c')
| -rw-r--r-- | interface/tpsv.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/interface/tpsv.c b/interface/tpsv.c new file mode 100644 index 000000000..9dafd0b68 --- /dev/null +++ b/interface/tpsv.c @@ -0,0 +1,204 @@ +/*********************************************************************/ +/* 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 "QTPSV " +#elif defined(DOUBLE) +#define ERROR_NAME "DTPSV " +#else +#define ERROR_NAME "STPSV " +#endif + +static int (*tpsv[])(BLASLONG, FLOAT *, FLOAT *, BLASLONG, void *) = { +#ifdef XDOUBLE + qtpsv_NUU, qtpsv_NUN, qtpsv_NLU, qtpsv_NLN, + qtpsv_TUU, qtpsv_TUN, qtpsv_TLU, qtpsv_TLN, +#elif defined(DOUBLE) + dtpsv_NUU, dtpsv_NUN, dtpsv_NLU, dtpsv_NLN, + dtpsv_TUU, dtpsv_TUN, dtpsv_TLU, dtpsv_TLN, +#else + stpsv_NUU, stpsv_NUN, stpsv_NLU, stpsv_NLN, + stpsv_TUU, stpsv_TUN, stpsv_TLU, stpsv_TLN, +#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 = 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 = 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 = 0; + if (TransA == CblasConjTrans) trans = 1; + + 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 = 1; + if (TransA == CblasConjTrans) trans = 0; + + 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; + + buffer = (FLOAT *)blas_memory_alloc(1); + + (tpsv[(trans<<2) | (uplo<<1) | unit])(n, a, x, incx, buffer); + + blas_memory_free(buffer); + + FUNCTION_PROFILE_END(1, n * n / 2 + n, n * n); + + IDEBUG_END; + + return; +} |