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105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/*********************************************************************/
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/* */
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/* Optimized BLAS libraries */
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/* By Kazushige Goto <kgoto@tacc.utexas.edu> */
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/* */
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/* Copyright (c) The University of Texas, 2009. All rights reserved. */
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/* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING */
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/* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, */
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/* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY */
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/* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF */
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/* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO */
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/* THE USE OF THE SOFTWARE OR DOCUMENTATION. */
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/* Under no circumstances shall University be liable for incidental, */
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/* special, indirect, direct or consequential damages or loss of */
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/* profits, interruption of business, or related expenses which may */
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/* arise from use of Software or Documentation, including but not */
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/* limited to those resulting from defects in Software and/or */
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/* Documentation, or loss or inaccuracy of data of any kind. */
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/*********************************************************************/
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#include <stdio.h>
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#include "common.h"
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#ifdef FUNCTION_PROFILE
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#include "functable.h"
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#endif
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#ifdef XDOUBLE
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#define ERROR_NAME "QGETRF"
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#elif defined(DOUBLE)
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#define ERROR_NAME "DGETRF"
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#else
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#define ERROR_NAME "SGETRF"
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#endif
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int NAME(blasint *M, blasint *N, FLOAT *a, blasint *ldA, blasint *ipiv, blasint *Info){
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blas_arg_t args;
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blasint info;
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FLOAT *buffer;
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#ifdef PPC440
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extern
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#endif
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FLOAT *sa, *sb;
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PRINT_DEBUG_NAME;
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args.m = *M;
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args.n = *N;
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args.a = (void *)a;
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args.lda = *ldA;
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args.c = (void *)ipiv;
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info = 0;
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if (args.lda < MAX(1,args.m)) info = 4;
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if (args.n < 0) info = 2;
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if (args.m < 0) info = 1;
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if (info) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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*Info = - info;
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return 0;
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}
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*Info = 0;
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if (args.m == 0 || args.n == 0) return 0;
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IDEBUG_START;
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FUNCTION_PROFILE_START();
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#ifndef PPC440
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buffer = (FLOAT *)blas_memory_alloc(1);
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sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
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sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
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#endif
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#ifdef SMP
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args.common = NULL;
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args.nthreads = num_cpu_avail(4);
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if (args.nthreads == 1) {
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#endif
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*Info = GETRF_SINGLE(&args, NULL, NULL, sa, sb, 0);
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#ifdef SMP
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} else {
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*Info = GETRF_PARALLEL(&args, NULL, NULL, sa, sb, 0);
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}
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#endif
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#ifndef PPC440
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blas_memory_free(buffer);
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#endif
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FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.m * args.n, 2. / 3. * args.m * args.n * args.n);
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IDEBUG_END;
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return 0;
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}
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