198 lines
5.4 KiB
C
198 lines
5.4 KiB
C
/*********************************************************************/
|
|
/* 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 "XHPR "
|
|
#elif defined(DOUBLE)
|
|
#define ERROR_NAME "ZHPR "
|
|
#else
|
|
#define ERROR_NAME "CHPR "
|
|
#endif
|
|
|
|
static int (*hpr[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, FLOAT *) = {
|
|
#ifdef XDOUBLE
|
|
xhpr_U, xhpr_L, xhpr_V, xhpr_M,
|
|
#elif defined(DOUBLE)
|
|
zhpr_U, zhpr_L, zhpr_V, zhpr_M,
|
|
#else
|
|
chpr_U, chpr_L, chpr_V, chpr_M,
|
|
#endif
|
|
};
|
|
|
|
#ifdef SMP
|
|
static int (*hpr_thread[])(BLASLONG, FLOAT, FLOAT *, BLASLONG, FLOAT *, FLOAT *, int) = {
|
|
#ifdef XDOUBLE
|
|
xhpr_thread_U, xhpr_thread_L, xhpr_thread_V, xhpr_thread_M,
|
|
#elif defined(DOUBLE)
|
|
zhpr_thread_U, zhpr_thread_L, zhpr_thread_V, zhpr_thread_M,
|
|
#else
|
|
chpr_thread_U, chpr_thread_L, chpr_thread_V, chpr_thread_M,
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
#ifndef CBLAS
|
|
|
|
void NAME(char *UPLO, blasint *N, FLOAT *ALPHA,
|
|
FLOAT *x, blasint *INCX, FLOAT *a){
|
|
|
|
char uplo_arg = *UPLO;
|
|
blasint n = *N;
|
|
FLOAT alpha = *ALPHA;
|
|
blasint incx = *INCX;
|
|
|
|
blasint info;
|
|
int uplo;
|
|
FLOAT *buffer;
|
|
#ifdef SMP
|
|
int nthreads;
|
|
#endif
|
|
|
|
PRINT_DEBUG_NAME;
|
|
|
|
TOUPPER(uplo_arg);
|
|
uplo = -1;
|
|
|
|
if (uplo_arg == 'U') uplo = 0;
|
|
if (uplo_arg == 'L') uplo = 1;
|
|
|
|
info = 0;
|
|
|
|
if (incx == 0) info = 5;
|
|
if (n < 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,
|
|
blasint n,
|
|
FLOAT alpha,
|
|
FLOAT *x, blasint incx,
|
|
FLOAT *a) {
|
|
|
|
FLOAT *buffer;
|
|
int uplo;
|
|
blasint info;
|
|
#ifdef SMP
|
|
int nthreads;
|
|
#endif
|
|
|
|
PRINT_DEBUG_CNAME;
|
|
|
|
uplo = -1;
|
|
info = 0;
|
|
|
|
if (order == CblasColMajor) {
|
|
if (Uplo == CblasUpper) uplo = 0;
|
|
if (Uplo == CblasLower) uplo = 1;
|
|
|
|
info = -1;
|
|
|
|
if (incx == 0) info = 5;
|
|
if (n < 0) info = 2;
|
|
if (uplo < 0) info = 1;
|
|
}
|
|
|
|
if (order == CblasRowMajor) {
|
|
if (Uplo == CblasUpper) uplo = 3;
|
|
if (Uplo == CblasLower) uplo = 2;
|
|
|
|
info = -1;
|
|
|
|
if (incx == 0) info = 5;
|
|
if (n < 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;
|
|
|
|
if (alpha == ZERO) return;
|
|
|
|
IDEBUG_START;
|
|
|
|
FUNCTION_PROFILE_START();
|
|
|
|
if (incx < 0 ) x -= (n - 1) * incx * 2;
|
|
|
|
buffer = (FLOAT *)blas_memory_alloc(1);
|
|
|
|
#ifdef SMP
|
|
nthreads = num_cpu_avail(2);
|
|
|
|
if (nthreads == 1) {
|
|
#endif
|
|
|
|
(hpr[uplo])(n, alpha, x, incx, a, buffer);
|
|
|
|
#ifdef SMP
|
|
|
|
} else {
|
|
|
|
(hpr_thread[uplo])(n, alpha, x, incx, a, buffer, nthreads);
|
|
|
|
}
|
|
#endif
|
|
|
|
blas_memory_free(buffer);
|
|
|
|
FUNCTION_PROFILE_END(4, n * n / 2 + n, n * n);
|
|
|
|
IDEBUG_END;
|
|
|
|
return;
|
|
}
|