195 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			195 lines
		
	
	
		
			5.2 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 "common.h"
 | |
| #ifdef FUNCTION_PROFILE
 | |
| #include "functable.h"
 | |
| #endif
 | |
| 
 | |
| #ifdef XDOUBLE
 | |
| #define ERROR_NAME "QGER  "
 | |
| #elif defined DOUBLE
 | |
| #define ERROR_NAME "DGER  "
 | |
| #else
 | |
| #define ERROR_NAME "SGER  "
 | |
| #endif
 | |
| 
 | |
| #define GER		GERU_K
 | |
| 
 | |
| #if   defined XDOUBLE
 | |
| #define GER_THREAD	qger_thread
 | |
| #elif defined DOUBLE
 | |
| #define GER_THREAD	dger_thread
 | |
| #else
 | |
| #define GER_THREAD	sger_thread
 | |
| #endif
 | |
| 
 | |
| 
 | |
| #ifndef CBLAS
 | |
| 
 | |
| void NAME(blasint *M, blasint *N, FLOAT *Alpha,
 | |
| 	  FLOAT *x, blasint *INCX,
 | |
| 	  FLOAT *y, blasint *INCY,
 | |
| 	  FLOAT *a, blasint *LDA){
 | |
| 
 | |
|   blasint    m     = *M;
 | |
|   blasint    n     = *N;
 | |
|   FLOAT  alpha = *Alpha;
 | |
|   blasint    incx  = *INCX;
 | |
|   blasint    incy  = *INCY;
 | |
|   blasint    lda   = *LDA;
 | |
|   FLOAT *buffer;
 | |
| #ifdef SMPBUG
 | |
|   int nthreads;
 | |
| #endif
 | |
| 
 | |
|   blasint info;
 | |
| 
 | |
|   PRINT_DEBUG_NAME;
 | |
| 
 | |
|   info = 0;
 | |
| 
 | |
|   if (lda < MAX(1,m)) info = 9;
 | |
|   if (incy == 0)      info = 7;
 | |
|   if (incx == 0)      info = 5;
 | |
|   if (n < 0)          info = 2;
 | |
|   if (m < 0)          info = 1;
 | |
| 
 | |
|   if (info){
 | |
|     BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
 | |
|     return;
 | |
|   }
 | |
| 
 | |
| #else
 | |
| 
 | |
| void CNAME(enum CBLAS_ORDER order,
 | |
| 	   blasint m, blasint n,
 | |
| 	   FLOAT alpha,
 | |
| 	   FLOAT  *x, blasint incx,
 | |
| 	   FLOAT  *y, blasint incy,
 | |
| 	   FLOAT  *a, blasint lda) {
 | |
| 
 | |
|   FLOAT *buffer;
 | |
|   blasint info, t;
 | |
| #ifdef SMPBUG
 | |
|   int nthreads;
 | |
| #endif
 | |
| 
 | |
|   PRINT_DEBUG_CNAME;
 | |
| 
 | |
|   info  =  0;
 | |
| 
 | |
|   if (order == CblasColMajor) {
 | |
|     info = -1;
 | |
| 
 | |
|     if (lda < MAX(1,m)) info = 9;
 | |
|     if (incy == 0)      info = 7;
 | |
|     if (incx == 0)      info = 5;
 | |
|     if (n < 0)          info = 2;
 | |
|     if (m < 0)          info = 1;
 | |
|   }
 | |
| 
 | |
|   if (order == CblasRowMajor) {
 | |
|     info = -1;
 | |
| 
 | |
|     t = n;
 | |
|     n = m;
 | |
|     m = t;
 | |
| 
 | |
|     t    = incx;
 | |
|     incx = incy;
 | |
|     incy = t;
 | |
| 
 | |
|     buffer = x;
 | |
|     x = y;
 | |
|     y = buffer;
 | |
| 
 | |
|     if (lda < MAX(1,m)) info = 9;
 | |
|     if (incy == 0)      info = 7;
 | |
|     if (incx == 0)      info = 5;
 | |
|     if (n < 0)          info = 2;
 | |
|     if (m < 0)          info = 1;
 | |
|   }
 | |
| 
 | |
|   if (info >= 0) {
 | |
|     BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME));
 | |
|     return;
 | |
|   }
 | |
| 
 | |
| #endif
 | |
| 
 | |
|   /*     Quick return if possible. */
 | |
|   if (m == 0 || n == 0) return;
 | |
|   if (alpha == 0.) return;
 | |
|   
 | |
|   IDEBUG_START;
 | |
| 
 | |
|   FUNCTION_PROFILE_START();
 | |
| 
 | |
|   if (incy < 0) y -= (n - 1) * incy;
 | |
|   if (incx < 0) x -= (m - 1) * incx;
 | |
| 
 | |
|   buffer = (FLOAT *)blas_memory_alloc(1);
 | |
| 
 | |
| #ifdef SMPBUG
 | |
|   nthreads = num_cpu_avail(2);
 | |
| 
 | |
| 
 | |
|   if (nthreads == 1) {
 | |
| #endif
 | |
| 
 | |
|     GER(m, n, 0, alpha, x, incx, y, incy, a, lda, buffer);
 | |
| 
 | |
| #ifdef SMPBUG
 | |
|   } else {
 | |
|     
 | |
|     GER_THREAD(m, n, alpha, x, incx, y, incy, a, lda, buffer, nthreads);
 | |
|     
 | |
|   }
 | |
| #endif
 | |
| 
 | |
|   blas_memory_free(buffer);
 | |
| 
 | |
|   FUNCTION_PROFILE_END(1, m * n + m + n, 2 * m * n);
 | |
| 
 | |
|   IDEBUG_END;
 | |
| 
 | |
|   return;
 | |
| }
 |