Files
OpenBLAS/interface/syr2k.c
Martin Kroeker 2c222f1faa Modify complex CBLAS functions to take void pointers
Modify complex CBLAS functions to take void pointers instead of float or double arguments (to bring the prototypes in line with netlib and other implementations' cblas.h)
2017-11-05 15:53:14 +01:00

395 lines
9.6 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 */
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/* 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;
#ifndef COMPLEX
if (trans_arg == 'N') trans = 0;
if (trans_arg == 'T') trans = 1;
if (trans_arg == 'C') trans = 1;
#else
#ifdef HEMM
if (trans_arg == 'N') trans = 0;
if (trans_arg == 'C') trans = 1;
#else
if (trans_arg == 'N') trans = 0;
if (trans_arg == 'T') trans = 1;
#endif
#endif
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,
FLOAT *a, blasint lda,
FLOAT *b, blasint ldb,
#else
void *valpha,
void *va, blasint lda,
void *vb, blasint ldb,
#endif
#if !defined(COMPLEX) || defined(HEMM)
FLOAT beta,
#else
void *vbeta,
#endif
#ifndef COMPLEX
FLOAT *c,
#else
void *vc,
#endif
blasint ldc) {
#ifdef COMPLEX
FLOAT* alpha = (FLOAT*) valpha;
#if !defined(HEMM)
FLOAT* beta = (FLOAT*) vbeta;
#endif
FLOAT* a = (FLOAT*) va;
FLOAT* b = (FLOAT*) vb;
FLOAT* c = (FLOAT*) vc;
#endif
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 *)&alpha;
#else
args.alpha = (void *)alpha;
#endif
#if !defined(COMPLEX) || defined(HEMM)
args.beta = (void *)&beta;
#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;
}