/*********************************************************************/
/* 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
#ifndef COMPLEX
#ifdef XDOUBLE
#define ERROR_NAME "QSYR2K"
#elif defined(DOUBLE)
#define ERROR_NAME "DSYR2K"
#else
#define ERROR_NAME "SSYR2K"
#endif
#else
#ifndef HEMM
#ifdef XDOUBLE
#define ERROR_NAME "XSYR2K"
#elif defined(DOUBLE)
#define ERROR_NAME "ZSYR2K"
#else
#define ERROR_NAME "CSYR2K"
#endif
#else
#ifdef XDOUBLE
#define ERROR_NAME "XHER2K"
#elif defined(DOUBLE)
#define ERROR_NAME "ZHER2K"
#else
#define ERROR_NAME "CHER2K"
#endif
#endif
#endif
static int (*syr2k[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
#ifndef HEMM
SYR2K_UN, SYR2K_UC, SYR2K_LN, SYR2K_LC,
#else
HER2K_UN, HER2K_UC, HER2K_LN, HER2K_LC,
#endif
};
#ifndef CBLAS
void NAME(char *UPLO, char *TRANS,
blasint *N, blasint *K,
FLOAT *alpha, FLOAT *a, blasint *ldA,
FLOAT *b, blasint *ldB,
FLOAT *beta, FLOAT *c, blasint *ldC){
char uplo_arg = *UPLO;
char trans_arg = *TRANS;
blas_arg_t args;
FLOAT *buffer;
FLOAT *sa, *sb;
#ifdef SMP
#ifndef COMPLEX
#ifdef XDOUBLE
int mode = BLAS_XDOUBLE | BLAS_REAL;
#elif defined(DOUBLE)
int mode = BLAS_DOUBLE | BLAS_REAL;
#else
int mode = BLAS_SINGLE | BLAS_REAL;
#endif
#else
#ifdef XDOUBLE
int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
#elif defined(DOUBLE)
int mode = BLAS_DOUBLE | BLAS_COMPLEX;
#else
int mode = BLAS_SINGLE | BLAS_COMPLEX;
#endif
#endif
#endif
blasint info;
int uplo;
int trans;
int nrowa;
PRINT_DEBUG_NAME;
args.n = *N;
args.k = *K;
args.a = (void *)a;
args.b = (void *)b;
args.c = (void *)c;
args.lda = *ldA;
args.ldb = *ldB;
args.ldc = *ldC;
args.alpha = (void *)alpha;
args.beta = (void *)beta;
TOUPPER(uplo_arg);
TOUPPER(trans_arg);
uplo = -1;
trans = -1;
if (uplo_arg == 'U') uplo = 0;
if (uplo_arg == 'L') 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;
nrowa = args.n;
if (trans & 1) nrowa = args.k;
info = 0;
if (args.ldc < MAX(1,args.n)) info = 12;
if (args.ldb < MAX(1,nrowa)) info = 9;
if (args.lda < MAX(1,nrowa)) info = 7;
if (args.k < 0) info = 4;
if (args.n < 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 Trans,
blasint n, blasint k,
#ifndef COMPLEX
FLOAT alpha,
#else
FLOAT *alpha,
#endif
FLOAT *a, blasint lda,
FLOAT *b, blasint ldb,
#if !defined(COMPLEX) || defined(HEMM)
FLOAT beta,
#else
FLOAT *beta,
#endif
FLOAT *c, blasint ldc) {
blas_arg_t args;
int uplo, trans;
blasint info, nrowa;
FLOAT *buffer;
FLOAT *sa, *sb;
#ifdef HEMM
FLOAT CAlpha[2];
#endif
#ifdef SMP
#ifndef COMPLEX
#ifdef XDOUBLE
int mode = BLAS_XDOUBLE | BLAS_REAL;
#elif defined(DOUBLE)
int mode = BLAS_DOUBLE | BLAS_REAL;
#else
int mode = BLAS_SINGLE | BLAS_REAL;
#endif
#else
#ifdef XDOUBLE
int mode = BLAS_XDOUBLE | BLAS_COMPLEX;
#elif defined(DOUBLE)
int mode = BLAS_DOUBLE | BLAS_COMPLEX;
#else
int mode = BLAS_SINGLE | BLAS_COMPLEX;
#endif
#endif
#endif
PRINT_DEBUG_CNAME;
args.n = n;
args.k = k;
args.a = (void *)a;
args.b = (void *)b;
args.c = (void *)c;
args.lda = lda;
args.ldb = ldb;
args.ldc = ldc;
#ifndef COMPLEX
args.alpha = (void *)α
#else
args.alpha = (void *)alpha;
#endif
#if !defined(COMPLEX) || defined(HEMM)
args.beta = (void *)β
#else
args.beta = (void *)beta;
#endif
trans = -1;
uplo = -1;
info = 0;
if (order == CblasColMajor) {
if (Uplo == CblasUpper) uplo = 0;
if (Uplo == CblasLower) uplo = 1;
if (Trans == CblasNoTrans) trans = 0;
#ifndef COMPLEX
if (Trans == CblasTrans) trans = 1;
if (Trans == CblasConjNoTrans) trans = 0;
if (Trans == CblasConjTrans) trans = 1;
#elif !defined(HEMM)
if (Trans == CblasTrans) trans = 1;
#else
if (Trans == CblasConjTrans) trans = 1;
#endif
info = -1;
nrowa = args.n;
if (trans & 1) nrowa = args.k;
if (args.ldc < MAX(1,args.n)) info = 12;
if (args.ldb < MAX(1,nrowa)) info = 9;
if (args.lda < MAX(1,nrowa)) info = 7;
if (args.k < 0) info = 4;
if (args.n < 0) info = 3;
if (trans < 0) info = 2;
if (uplo < 0) info = 1;
}
if (order == CblasRowMajor) {
#ifdef HEMM
CAlpha[0] = alpha[0];
CAlpha[1] = -alpha[1];
args.alpha = (void *)CAlpha;
#endif
if (Uplo == CblasUpper) uplo = 1;
if (Uplo == CblasLower) uplo = 0;
if (Trans == CblasNoTrans) trans = 1;
#ifndef COMPLEX
if (Trans == CblasTrans) trans = 0;
if (Trans == CblasConjNoTrans) trans = 1;
if (Trans == CblasConjTrans) trans = 0;
#elif !defined(HEMM)
if (Trans == CblasTrans) trans = 0;
#else
if (Trans == CblasConjTrans) trans = 0;
#endif
info = -1;
nrowa = args.n;
if (trans & 1) nrowa = args.k;
if (args.ldc < MAX(1,args.n)) info = 12;
if (args.ldb < MAX(1,nrowa)) info = 9;
if (args.lda < MAX(1,nrowa)) info = 7;
if (args.k < 0) info = 4;
if (args.n < 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 (args.n == 0) return;
IDEBUG_START;
FUNCTION_PROFILE_START();
buffer = (FLOAT *)blas_memory_alloc(0);
sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
#ifdef SMP
if (!trans){
mode |= (BLAS_TRANSA_N | BLAS_TRANSB_T);
} else {
mode |= (BLAS_TRANSA_T | BLAS_TRANSB_N);
}
mode |= (uplo << BLAS_UPLO_SHIFT);
args.common = NULL;
args.nthreads = num_cpu_avail(3);
if (args.nthreads == 1) {
#endif
(syr2k[(uplo << 1) | trans ])(&args, NULL, NULL, sa, sb, 0);
#ifdef SMP
} else {
syrk_thread(mode, &args, NULL, NULL, syr2k[(uplo << 1) | trans ], sa, sb, args.nthreads);
}
#endif
blas_memory_free(buffer);
FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, 2 * args.n * args.k + args.n * args.n, 2 * args.n * args.n * args.k);
IDEBUG_END;
return;
}