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Diffstat (limited to 'interface/zlaswp.c')
| -rw-r--r-- | interface/zlaswp.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/interface/zlaswp.c b/interface/zlaswp.c new file mode 100644 index 000000000..85ead2c86 --- /dev/null +++ b/interface/zlaswp.c @@ -0,0 +1,108 @@ +/*********************************************************************/ +/* 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 "common.h" +#ifdef FUNCTION_PROFILE +#include "functable.h" +#endif + +static int (*laswp[])(BLASLONG, BLASLONG, BLASLONG, FLOAT, FLOAT, FLOAT *, BLASLONG, FLOAT *, BLASLONG, blasint *, BLASLONG) = { +#ifdef XDOUBLE + xlaswp_plus, xlaswp_minus, +#elif defined(DOUBLE) + zlaswp_plus, zlaswp_minus, +#else + claswp_plus, claswp_minus, +#endif +}; + +int NAME(blasint *N, FLOAT *a, blasint *LDA, blasint *K1, blasint *K2, blasint *ipiv, blasint *INCX){ + + blasint n = *N; + blasint lda = *LDA; + blasint k1 = *K1; + blasint k2 = *K2; + blasint incx = *INCX; + int flag; + +#ifdef SMP + int mode; + FLOAT dummyalpha[2] = {ZERO, ZERO}; + int nthreads; +#endif + + PRINT_DEBUG_NAME; + + if (incx == 0 || n <= 0) return 0; + + IDEBUG_START; + + FUNCTION_PROFILE_START(); + + flag = (incx < 0); + +#ifdef SMP + nthreads = num_cpu_avail(2); + + if (nthreads == 1) { +#endif + + (laswp[flag])(n, k1, k2, ZERO, ZERO, a, lda, NULL, 0, ipiv, incx); + +#ifdef SMP + } else { + +#ifdef XDOUBLE + mode = BLAS_XDOUBLE | BLAS_COMPLEX; +#elif defined(DOUBLE) + mode = BLAS_DOUBLE | BLAS_COMPLEX; +#else + mode = BLAS_SINGLE | BLAS_COMPLEX; +#endif + + blas_level1_thread(mode, n, k1, k2, dummyalpha, a, lda, NULL, 0, ipiv, incx, laswp[flag], nthreads); + } +#endif + + FUNCTION_PROFILE_END(COMPSIZE, n * (k2 - k1), 0); + + IDEBUG_END; + + return 0; +} |