403 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			403 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*********************************************************************/
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| /* Copyright 2009, 2010 The University of Texas at Austin.           */
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| /* All rights reserved.                                              */
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| /*                                                                   */
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| /* Redistribution and use in source and binary forms, with or        */
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| /* without modification, are permitted provided that the following   */
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| /* conditions are met:                                               */
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| /*                                                                   */
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| /*   1. Redistributions of source code must retain the above         */
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| /*      copyright notice, this list of conditions and the following  */
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| /*      disclaimer.                                                  */
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| /*                                                                   */
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| /*   2. Redistributions in binary form must reproduce the above      */
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| /*      copyright notice, this list of conditions and the following  */
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| /*      disclaimer in the documentation and/or other materials       */
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| /*      provided with the distribution.                              */
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| /*                                                                   */
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| /*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
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| /*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
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| /*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
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| /*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
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| /*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
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| /*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
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| /*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
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| /*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
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| /*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
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| /*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
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| /*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
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| /*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
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| /*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
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| /*    POSSIBILITY OF SUCH DAMAGE.                                    */
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| /*                                                                   */
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| /* The views and conclusions contained in the software and           */
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| /* documentation are those of the authors and should not be          */
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| /* interpreted as representing official policies, either expressed   */
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| /* or implied, of The University of Texas at Austin.                 */
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| /*********************************************************************/
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| 
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| #include <stdio.h>
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| #include <ctype.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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| 
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| #ifndef COMPLEX
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| #define SMP_THRESHOLD_MIN 109944.
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| #ifdef XDOUBLE
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| #define ERROR_NAME "QSYRK "
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| #elif defined(DOUBLE)
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| #define ERROR_NAME "DSYRK "
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| #else
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| #define ERROR_NAME "SSYRK "
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| #endif
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| #else
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| #define SMP_THRESHOLD_MIN 14824.
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| #ifndef HEMM
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| #ifdef XDOUBLE
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| #define ERROR_NAME "XSYRK "
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| #elif defined(DOUBLE)
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| #define ERROR_NAME "ZSYRK "
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| #else
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| #define ERROR_NAME "CSYRK "
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| #endif
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| #else
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| #ifdef XDOUBLE
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| #define ERROR_NAME "XHERK "
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| #elif defined(DOUBLE)
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| #define ERROR_NAME "ZHERK "
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| #else
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| #define ERROR_NAME "CHERK "
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| #endif
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| #endif
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| #endif
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| 
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| #ifndef GEMM_MULTITHREAD_THRESHOLD
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| #define GEMM_MULTITHREAD_THRESHOLD 4
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| #endif
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| 
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| static int (*syrk[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
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| #ifndef HEMM
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|   SYRK_UN, SYRK_UC, SYRK_LN, SYRK_LC,
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| #if defined(SMP) && !defined(USE_SIMPLE_THREADED_LEVEL3)
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|   SYRK_THREAD_UN, SYRK_THREAD_UC, SYRK_THREAD_LN, SYRK_THREAD_LC,
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| #endif
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| #else
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|   HERK_UN, HERK_UC, HERK_LN, HERK_LC,
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| #if defined(SMP) && !defined(USE_SIMPLE_THREADED_LEVEL3)
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|   HERK_THREAD_UN, HERK_THREAD_UC, HERK_THREAD_LN, HERK_THREAD_LC,
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| #endif
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| #endif
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| };
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| 
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| #ifndef CBLAS
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| 
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| void NAME(char *UPLO, char *TRANS,
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|          blasint *N, blasint *K,
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|          FLOAT *alpha, FLOAT *a, blasint *ldA,
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|          FLOAT *beta,  FLOAT *c, blasint *ldC){
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| 
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|   char uplo_arg  = *UPLO;
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|   char trans_arg = *TRANS;
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| 
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|   blas_arg_t args;
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| 
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|   FLOAT *buffer;
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|   FLOAT *sa, *sb;
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| 
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| #ifdef SMP
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|   double NNK;
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| #ifdef USE_SIMPLE_THREADED_LEVEL3
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| #ifndef COMPLEX
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| #ifdef XDOUBLE
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|   int mode  =  BLAS_XDOUBLE | BLAS_REAL;
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| #elif defined(DOUBLE)
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|   int mode  =  BLAS_DOUBLE  | BLAS_REAL;
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| #else
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|   int mode  =  BLAS_SINGLE  | BLAS_REAL;
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| #endif
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| #else
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| #ifdef XDOUBLE
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|   int mode  =  BLAS_XDOUBLE | BLAS_COMPLEX;
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| #elif defined(DOUBLE)
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|   int mode  =  BLAS_DOUBLE  | BLAS_COMPLEX;
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| #else
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|   int mode  =  BLAS_SINGLE  | BLAS_COMPLEX;
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| #endif
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| #endif
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| #endif
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| #endif
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| 
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|   blasint info;
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|   int uplo;
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|   int trans;
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|   int nrowa;
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| 
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|   PRINT_DEBUG_NAME;
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| 
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|   args.n = *N;
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|   args.k = *K;
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| 
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|   args.a = (void *)a;
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|   args.c = (void *)c;
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| 
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|   args.lda = *ldA;
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|   args.ldc = *ldC;
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| 
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|   args.alpha = (void *)alpha;
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|   args.beta  = (void *)beta;
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| 
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|   TOUPPER(uplo_arg);
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|   TOUPPER(trans_arg);
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| 
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|   uplo  = -1;
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|   trans = -1;
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| 
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|   if (uplo_arg  == 'U') uplo  = 0;
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|   if (uplo_arg  == 'L') uplo  = 1;
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| 
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| 
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| #ifndef COMPLEX
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|   if (trans_arg == 'N') trans = 0;
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|   if (trans_arg == 'T') trans = 1;
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|   if (trans_arg == 'C') trans = 1;
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| #else
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| #ifdef HEMM
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|   if (trans_arg == 'N') trans = 0;
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|   if (trans_arg == 'C') trans = 1;
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| #else
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|   if (trans_arg == 'N') trans = 0;
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|   if (trans_arg == 'T') trans = 1;
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| #endif
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| 
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| #endif
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| 
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|   nrowa = args.n;
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|   if (trans & 1) nrowa = args.k;
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| 
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|   info = 0;
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| 
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|   if (args.ldc < MAX(1,args.n)) info = 10;
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|   if (args.lda < MAX(1,nrowa))  info =  7;
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|   if (args.k < 0)               info =  4;
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|   if (args.n < 0)               info =  3;
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|   if (trans < 0)                info =  2;
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|   if (uplo  < 0)                info =  1;
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| 
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|   if (info != 0) {
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|     BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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|     return;
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|   }
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| 
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| #else
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| 
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| void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, enum CBLAS_TRANSPOSE Trans,
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| 	   blasint n, blasint k,
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| #if !defined(COMPLEX) || defined(HEMM)
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| 	   FLOAT alpha,
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| #else
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| 	   void *valpha,
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| #endif
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| #if !defined(COMPLEX)
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| 	   FLOAT *a, blasint lda,
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| #else
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| 	   void *va, blasint lda,
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| #endif
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| #if !defined(COMPLEX) || defined(HEMM)
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| 	   FLOAT beta,
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| #else
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| 	   void *vbeta,
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| #endif
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| #if !defined(COMPLEX)
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| 	   FLOAT *c, blasint ldc) {
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| #else
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| 	   void *vc, blasint ldc) {
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| #endif
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| 
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| #ifdef COMPLEX
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| #if !defined(HEMM)
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|   FLOAT* alpha = (FLOAT*) valpha;
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|   FLOAT* beta = (FLOAT*) vbeta;
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| #endif
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|   FLOAT* a = (FLOAT*) va;
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|   FLOAT* c = (FLOAT*) vc;
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| #endif
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| 
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|   blas_arg_t args;
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|   int uplo, trans;
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|   blasint info, nrowa;
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| 
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|   FLOAT *buffer;
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|   FLOAT *sa, *sb;
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| 
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| #ifdef SMP
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| double NNK;
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| 
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| #ifdef USE_SIMPLE_THREADED_LEVEL3
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| #ifndef COMPLEX
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| #ifdef XDOUBLE
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|   int mode  =  BLAS_XDOUBLE | BLAS_REAL;
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| #elif defined(DOUBLE)
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|   int mode  =  BLAS_DOUBLE  | BLAS_REAL;
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| #else
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|   int mode  =  BLAS_SINGLE  | BLAS_REAL;
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| #endif
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| #else
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| #ifdef XDOUBLE
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|   int mode  =  BLAS_XDOUBLE | BLAS_COMPLEX;
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| #elif defined(DOUBLE)
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|   int mode  =  BLAS_DOUBLE  | BLAS_COMPLEX;
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| #else
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|   int mode  =  BLAS_SINGLE  | BLAS_COMPLEX;
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| #endif
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| #endif
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| #endif
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| #endif
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| 
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|   PRINT_DEBUG_CNAME;
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| 
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|   args.n = n;
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|   args.k = k;
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| 
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|   args.a = (void *)a;
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|   args.c = (void *)c;
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| 
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|   args.lda = lda;
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|   args.ldc = ldc;
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| 
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| #if !defined(COMPLEX) || defined(HEMM)
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|   args.alpha = (void *)α
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|   args.beta  = (void *)β
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| #else
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|   args.alpha = (void *)alpha;
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|   args.beta  = (void *)beta;
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| #endif
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| 
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|   trans = -1;
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|   uplo  = -1;
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|   info  =  0;
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| 
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|   if (order == CblasColMajor) {
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|     if (Uplo == CblasUpper) uplo  = 0;
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|     if (Uplo == CblasLower) uplo  = 1;
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| 
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|     if (Trans == CblasNoTrans)     trans = 0;
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| #ifndef COMPLEX
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|     if (Trans == CblasTrans)       trans = 1;
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|     if (Trans == CblasConjNoTrans) trans = 0;
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|     if (Trans == CblasConjTrans)   trans = 1;
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| #elif !defined(HEMM)
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|     if (Trans == CblasTrans)       trans = 1;
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| #else
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|     if (Trans == CblasConjTrans)   trans = 1;
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| #endif
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| 
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|     info = -1;
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| 
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|     nrowa = args.n;
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|     if (trans & 1) nrowa = args.k;
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| 
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|     if (args.ldc < MAX(1,args.n)) info = 10;
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|     if (args.lda < MAX(1,nrowa))  info =  7;
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|     if (args.k < 0)               info =  4;
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|     if (args.n < 0)               info =  3;
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|     if (trans < 0)                info =  2;
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|     if (uplo  < 0)                info =  1;
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|   }
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| 
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|   if (order == CblasRowMajor) {
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|     if (Uplo == CblasUpper) uplo  = 1;
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|     if (Uplo == CblasLower) uplo  = 0;
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| 
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|     if (Trans == CblasNoTrans)     trans = 1;
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| #ifndef COMPLEX
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|     if (Trans == CblasTrans)       trans = 0;
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|     if (Trans == CblasConjNoTrans) trans = 1;
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|     if (Trans == CblasConjTrans)   trans = 0;
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| #elif !defined(HEMM)
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|     if (Trans == CblasTrans)       trans = 0;
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| #else
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|     if (Trans == CblasConjTrans)   trans = 0;
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| #endif
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| 
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|     info = -1;
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| 
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|     nrowa = args.n;
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|     if (trans & 1) nrowa = args.k;
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| 
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|     if (args.ldc < MAX(1,args.n)) info = 10;
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|     if (args.lda < MAX(1,nrowa))  info =  7;
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|     if (args.k < 0)               info =  4;
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|     if (args.n < 0)               info =  3;
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|     if (trans < 0)                info =  2;
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|     if (uplo  < 0)                info =  1;
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|   }
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| 
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|   if (info >= 0) {
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|     BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
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|     return;
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|   }
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| 
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| #endif
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| 
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|   if (args.n == 0) return;
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| 
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|   IDEBUG_START;
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| 
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|   FUNCTION_PROFILE_START();
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| 
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|   buffer = (FLOAT *)blas_memory_alloc(0);
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| 
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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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| 
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| #ifdef SMP
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| #ifdef USE_SIMPLE_THREADED_LEVEL3
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|   if (!trans){
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|     mode |= (BLAS_TRANSA_N | BLAS_TRANSB_T);
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|   } else {
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|     mode |= (BLAS_TRANSA_T | BLAS_TRANSB_N);
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|   }
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|   mode |= (uplo  << BLAS_UPLO_SHIFT);
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| #endif
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| 
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|   args.common = NULL;
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| 
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|   NNK = (double)(args.n+1)*(double)args.n*(double)args.k;
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|   if (NNK <= (SMP_THRESHOLD_MIN * GEMM_MULTITHREAD_THRESHOLD)) {
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|   args.nthreads = 1;
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|   } else {
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|   args.nthreads = num_cpu_avail(3);
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|   }
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| 
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|   if (args.nthreads == 1) {
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| #endif
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| 
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|     (syrk[(uplo << 1) | trans ])(&args, NULL, NULL, sa, sb, 0);
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| 
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| #ifdef SMP
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|   } else {
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| 
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| #ifndef USE_SIMPLE_THREADED_LEVEL3
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| 
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|     (syrk[4 | (uplo << 1) | trans ])(&args, NULL, NULL, sa, sb, 0);
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| 
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| #else
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| 
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|     syrk_thread(mode, &args, NULL, NULL, syrk[(uplo << 1) | trans ], sa, sb, args.nthreads);
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| 
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| #endif
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| 
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|   }
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| #endif
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| 
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|  blas_memory_free(buffer);
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| 
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|   FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.n * args.k + args.n * args.n / 2, args.n * args.n * args.k);
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| 
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|   IDEBUG_END;
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| 
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|   return;
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| }
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