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/*********************************************************************/
/* 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
#ifdef XDOUBLE
#define ERROR_NAME "XPOTRI"
#elif defined(DOUBLE)
#define ERROR_NAME "ZPOTRI"
#else
#define ERROR_NAME "CPOTRI"
#endif
static blasint (*trtri_single[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
TRTRI_UN_SINGLE, TRTRI_LN_SINGLE,
};
static blasint (*lauum_single[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
LAUUM_U_SINGLE, LAUUM_L_SINGLE,
};
#ifdef SMP
static blasint (*trtri_parallel[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
TRTRI_UN_PARALLEL, TRTRI_LN_PARALLEL,
};
static blasint (*lauum_parallel[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) ={
LAUUM_U_PARALLEL, LAUUM_L_PARALLEL,
};
#endif
int NAME(char *UPLO, blasint *N, FLOAT *a, blasint *ldA, blasint *Info){
blas_arg_t args;
blasint uplo_arg = *UPLO;
blasint uplo;
blasint info;
FLOAT *buffer;
#ifdef PPC440
extern
#endif
FLOAT *sa, *sb;
PRINT_DEBUG_NAME;
args.n = *N;
args.a = (void *)a;
args.lda = *ldA;
TOUPPER(uplo_arg);
uplo = -1;
if (uplo_arg == 'U') uplo = 0;
if (uplo_arg == 'L') uplo = 1;
info = 0;
if (args.lda < MAX(1,args.n)) info = 4;
if (args.n < 0) info = 2;
if (uplo < 0) info = 1;
if (info) {
BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
*Info = - info;
return 0;
}
*Info = 0;
if (args.n == 0) return 0;
IDEBUG_START;
FUNCTION_PROFILE_START();
#ifndef PPC440
buffer = (FLOAT *)blas_memory_alloc(1);
sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
#endif
#ifdef SMP
args.nthreads = num_cpu_avail(4);
if (args.nthreads == 1) {
#endif
info = (trtri_single[uplo])(&args, NULL, NULL, sa, sb, 0);
if (!info) {
info = (lauum_single[uplo])(&args, NULL, NULL, sa, sb, 0);
}
*Info = info;
#ifdef SMP
} else {
info = (trtri_parallel[uplo])(&args, NULL, NULL, sa, sb, 0);
if (!info) {
info = (lauum_parallel[uplo])(&args, NULL, NULL, sa, sb, 0);
}
*Info = info;
}
#endif
#ifndef PPC440
blas_memory_free(buffer);
#endif
FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.m * args.n, 2. / 3. * args.m * args.n * args.n);
IDEBUG_END;
return 0;
}
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