1251 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1251 lines
		
	
	
		
			24 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 "common.h"
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| 
 | |
| #ifndef MINUS
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| #define a2	(a1 + 2)
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| #define a4	(a3 + 2)
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| #define a6	(a5 + 2)
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| #define a8	(a7 + 2)
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| #else
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| #define a2	(a1 - 2)
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| #define a4	(a3 - 2)
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| #define a6	(a5 - 2)
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| #define a8	(a7 - 2)
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| #endif
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| 
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| int CNAME(BLASLONG n, BLASLONG k1, BLASLONG k2, FLOAT dummy1, FLOAT dummy4, 
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| 	  FLOAT *a, BLASLONG lda, 
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| 	  FLOAT *dummy2, BLASLONG dumy3, blasint *ipiv, BLASLONG incx){
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| 
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|   BLASLONG i, j, ip1, ip2, rows;
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|   blasint *piv;
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|   FLOAT *a1, *a3, *a5, *a7;
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|   FLOAT *b1, *b2, *b3, *b4;
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|   FLOAT *b5, *b6, *b7, *b8;
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|   FLOAT A1, A2, B1, B2, A3, A4, B3, B4;
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|   FLOAT A5, A6, B5, B6, A7, A8, B7, B8;
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|   FLOAT A9, A10, B9, B10, A11, A12, B11, B12;
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|   FLOAT A13, A14, B13, B14, A15, A16, B15, B16;
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| 
 | |
|   a   -= 2;
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|   lda *= 2;
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|   k1 --;
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| 
 | |
| #ifndef MINUS
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|  ipiv += k1;
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| #else
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|   ipiv -= (k2 - 1) * incx;
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| #endif
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| 
 | |
|   if (n  <= 0) return 0;
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|   rows = k2-k1;
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|   if (rows <=0) return 0;
 | |
|   if (rows == 1) {
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|     //Only have 1 row
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|     ip1 = *ipiv * 2;
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| 
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| #ifndef MINUS
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|     a1 = a + (k1 + 1) * 2;
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| #else
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|     a1 = a + k2 * 2;
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| #endif
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| 
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|     b1 = a + ip1;
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|     
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|     if(a1 == b1) return 0;
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| 
 | |
|     for(j=0; j<n; j++){
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|       A1 = *(a1 + 0);
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|       A2 = *(a1 + 1);
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|       B1 = *(b1 + 0);
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|       B2 = *(b1 + 1);
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| 
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|       *(a1 + 0) = B1;
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|       *(a1 + 1) = B2;
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|       *(b1 + 0) = A1;
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|       *(b1 + 1) = A2;
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| 	
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|       a1 += lda;
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|       b1 += lda;
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|     }
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|     return 0;
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|   }
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| 
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|   j = (n >> 2);
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|   if (j > 0) {
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|     do {
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|       piv = ipiv;
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| 
 | |
| #ifndef MINUS
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|       a1 = a + (k1 + 1) * 2;
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| #else
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|       a1 = a + k2 * 2;
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| #endif
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| 
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|       a3 = a1 + 1 * lda;
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|       a5 = a1 + 2 * lda;
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|       a7 = a1 + 3 * lda;
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| 
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|       ip1 = *piv * 2;
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|       piv += incx;
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|       ip2 = *piv * 2;
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|       piv += incx;
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|       
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|       b1 = a + ip1;
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|       b2 = a + ip2;
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| 
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|       b3 = b1 + 1 * lda;
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|       b4 = b2 + 1 * lda;
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|       b5 = b1 + 2 * lda;
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|       b6 = b2 + 2 * lda;
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|       b7 = b1 + 3 * lda;
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|       b8 = b2 + 3 * lda;
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| 
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|       i = (rows >> 1);
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|       i--;
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| 
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|       //Loop pipeline
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|       //Main Loop
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|       while (i > 0) {
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| 	  A1 = *(a1 + 0);
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| 	  A2 = *(a1 + 1);
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| 	  A3 = *(a2 + 0);
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| 	  A4 = *(a2 + 1);
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| 	  A5 = *(a3 + 0);
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| 	  A6 = *(a3 + 1);
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| 	  A7 = *(a4 + 0);
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| 	  A8 = *(a4 + 1);
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| 
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| 	  A9  = *(a5 + 0);
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| 	  A10 = *(a5 + 1);
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| 	  A11 = *(a6 + 0);
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| 	  A12 = *(a6 + 1);
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| 	  A13 = *(a7 + 0);
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| 	  A14 = *(a7 + 1);
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| 	  A15 = *(a8 + 0);
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| 	  A16 = *(a8 + 1);
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| 
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| 	  B1 = *(b1 + 0);
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| 	  B2 = *(b1 + 1);
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| 	  B3 = *(b2 + 0);
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| 	  B4 = *(b2 + 1);
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| 	  B5 = *(b3 + 0);
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| 	  B6 = *(b3 + 1);
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| 	  B7 = *(b4 + 0);
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| 	  B8 = *(b4 + 1);
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| 
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| 	  B9  = *(b5 + 0);
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| 	  B10 = *(b5 + 1);
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| 	  B11 = *(b6 + 0);
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| 	  B12 = *(b6 + 1);
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| 	  B13 = *(b7 + 0);
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| 	  B14 = *(b7 + 1);
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| 	  B15 = *(b8 + 0);
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| 	  B16 = *(b8 + 1);
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| 
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| 	  ip1 = *piv * 2;
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| 	  piv += incx;
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| 	  ip2 = *piv * 2;
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| 	  piv += incx;
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| 	  
 | |
| 	  if (b1 == a1) {
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| 	    if (b2 == a1) {
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| 	      *(a1 + 0) = A3;
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| 	      *(a1 + 1) = A4;
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| 	      *(a2 + 0) = A1;
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| 	      *(a2 + 1) = A2;
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| 	      *(a3 + 0) = A7;
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| 	      *(a3 + 1) = A8;
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| 	      *(a4 + 0) = A5;
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| 	      *(a4 + 1) = A6;
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| 	      *(a5 + 0) = A11;
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| 	      *(a5 + 1) = A12;
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| 	      *(a6 + 0) = A9;
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| 	      *(a6 + 1) = A10;
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| 	      *(a7 + 0) = A15;
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| 	      *(a7 + 1) = A16;
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| 	      *(a8 + 0) = A13;
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| 	      *(a8 + 1) = A14;
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| 	    } else 
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| 	      if (b2 != a2) {
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| 		*(a2 + 0) = B3;
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| 		*(a2 + 1) = B4;
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| 		*(b2 + 0) = A3;
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| 		*(b2 + 1) = A4;
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| 		*(a4 + 0) = B7;
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| 		*(a4 + 1) = B8;
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| 		*(b4 + 0) = A7;
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| 		*(b4 + 1) = A8;
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| 		*(a6 + 0) = B11;
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| 		*(a6 + 1) = B12;
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| 		*(b6 + 0) = A11;
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| 		*(b6 + 1) = A12;
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| 		*(a8 + 0) = B15;
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| 		*(a8 + 1) = B16;
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| 		*(b8 + 0) = A15;
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| 		*(b8 + 1) = A16;
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| 	      }
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| 	  } else 
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| 	    if (b1 == a2) {
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| 	      if (b2 != a1) {
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| 		if (b2 == a2) {
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| 		  *(a1 + 0) = A3;
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| 		  *(a1 + 1) = A4;
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| 		  *(a2 + 0) = A1;
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| 		  *(a2 + 1) = A2;
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| 		  *(a3 + 0) = A7;
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| 		  *(a3 + 1) = A8;
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| 		  *(a4 + 0) = A5;
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| 		  *(a4 + 1) = A6;
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| 		  *(a5 + 0) = A11;
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| 		  *(a5 + 1) = A12;
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| 		  *(a6 + 0) = A9;
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| 		  *(a6 + 1) = A10;
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| 		  *(a7 + 0) = A15;
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| 		  *(a7 + 1) = A16;
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| 		  *(a8 + 0) = A13;
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| 		  *(a8 + 1) = A14;
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| 		} else {
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| 		  *(a1 + 0) = A3;
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| 		  *(a1 + 1) = A4;
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| 		  *(a2 + 0) = B3;
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| 		  *(a2 + 1) = B4;
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| 		  *(b2 + 0) = A1;
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| 		  *(b2 + 1) = A2;
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| 		  *(a3 + 0) = A7;
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| 		  *(a3 + 1) = A8;
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| 		  *(a4 + 0) = B7;
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| 		  *(a4 + 1) = B8;
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| 		  *(b4 + 0) = A5;
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| 		  *(b4 + 1) = A6;
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| 
 | |
| 		  *(a5 + 0) = A11;
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| 		  *(a5 + 1) = A12;
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| 		  *(a6 + 0) = B11;
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| 		  *(a6 + 1) = B12;
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| 		  *(b6 + 0) = A9;
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| 		  *(b6 + 1) = A10;
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| 		  *(a7 + 0) = A15;
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| 		  *(a7 + 1) = A16;
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| 		  *(a8 + 0) = B15;
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| 		  *(a8 + 1) = B16;
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| 		  *(b8 + 0) = A13;
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| 		  *(b8 + 1) = A14;
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| 		}
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| 	      }
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| 	    } else {
 | |
| 	      if (b2 == a1) {
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| 		*(a1 + 0) = A3;
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| 		*(a1 + 1) = A4;
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| 		*(a2 + 0) = B1;
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| 		*(a2 + 1) = B2;
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| 		*(b1 + 0) = A1;
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| 		*(b1 + 1) = A2;
 | |
| 		*(a3 + 0) = A7;
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| 		*(a3 + 1) = A8;
 | |
| 		*(a4 + 0) = B5;
 | |
| 		*(a4 + 1) = B6;
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| 		*(b3 + 0) = A5;
 | |
| 		*(b3 + 1) = A6;
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| 		*(a5 + 0) = A11;
 | |
| 		*(a5 + 1) = A12;
 | |
| 		*(a6 + 0) = B9;
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| 		*(a6 + 1) = B10;
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| 		*(b5 + 0) = A9;
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| 		*(b5 + 1) = A10;
 | |
| 		*(a7 + 0) = A15;
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| 		*(a7 + 1) = A16;
 | |
| 		*(a8 + 0) = B13;
 | |
| 		*(a8 + 1) = B14;
 | |
| 		*(b7 + 0) = A13;
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| 		*(b7 + 1) = A14;
 | |
| 	      } else 
 | |
| 		if (b2 == a2) {
 | |
| 		  *(a1 + 0) = B1;
 | |
| 		  *(a1 + 1) = B2;
 | |
| 		  *(b1 + 0) = A1;
 | |
| 		  *(b1 + 1) = A2;
 | |
| 		  *(a3 + 0) = B5;
 | |
| 		  *(a3 + 1) = B6;
 | |
| 		  *(b3 + 0) = A5;
 | |
| 		  *(b3 + 1) = A6;
 | |
| 		  *(a5 + 0) = B9;
 | |
| 		  *(a5 + 1) = B10;
 | |
| 		  *(b5 + 0) = A9;
 | |
| 		  *(b5 + 1) = A10;
 | |
| 		  *(a7 + 0) = B13;
 | |
| 		  *(a7 + 1) = B14;
 | |
| 		  *(b7 + 0) = A13;
 | |
| 		  *(b7 + 1) = A14;
 | |
| 		} else 
 | |
| 		  if (b2 == b1) {
 | |
| 		    *(a1 + 0) = B1;
 | |
| 		    *(a1 + 1) = B2;
 | |
| 		    *(a2 + 0) = A1;
 | |
| 		    *(a2 + 1) = A2;
 | |
| 		    *(b1 + 0) = A3;
 | |
| 		    *(b1 + 1) = A4;
 | |
| 		    *(a3 + 0) = B5;
 | |
| 		    *(a3 + 1) = B6;
 | |
| 		    *(a4 + 0) = A5;
 | |
| 		    *(a4 + 1) = A6;
 | |
| 		    *(b3 + 0) = A7;
 | |
| 		    *(b3 + 1) = A8;
 | |
| 
 | |
| 		    *(a5 + 0) = B9;
 | |
| 		    *(a5 + 1) = B10;
 | |
| 		    *(a6 + 0) = A9;
 | |
| 		    *(a6 + 1) = A10;
 | |
| 		    *(b5 + 0) = A11;
 | |
| 		    *(b5 + 1) = A12;
 | |
| 		    *(a7 + 0) = B13;
 | |
| 		    *(a7 + 1) = B14;
 | |
| 		    *(a8 + 0) = A13;
 | |
| 		    *(a8 + 1) = A14;
 | |
| 		    *(b7 + 0) = A15;
 | |
| 		    *(b7 + 1) = A16;
 | |
| 		  } else {
 | |
| 		    *(a1 + 0) = B1;
 | |
| 		    *(a1 + 1) = B2;
 | |
| 		    *(a2 + 0) = B3;
 | |
| 		    *(a2 + 1) = B4;
 | |
| 		    *(b1 + 0) = A1;
 | |
| 		    *(b1 + 1) = A2;
 | |
| 		    *(b2 + 0) = A3;
 | |
| 		    *(b2 + 1) = A4;
 | |
| 		    *(a3 + 0) = B5;
 | |
| 		    *(a3 + 1) = B6;
 | |
| 		    *(a4 + 0) = B7;
 | |
| 		    *(a4 + 1) = B8;
 | |
| 		    *(b3 + 0) = A5;
 | |
| 		    *(b3 + 1) = A6;
 | |
| 		    *(b4 + 0) = A7;
 | |
| 		    *(b4 + 1) = A8;
 | |
| 		    *(a5 + 0) = B9;
 | |
| 		    *(a5 + 1) = B10;
 | |
| 		    *(a6 + 0) = B11;
 | |
| 		    *(a6 + 1) = B12;
 | |
| 		    *(b5 + 0) = A9;
 | |
| 		    *(b5 + 1) = A10;
 | |
| 		    *(b6 + 0) = A11;
 | |
| 		    *(b6 + 1) = A12;
 | |
| 		    *(a7 + 0) = B13;
 | |
| 		    *(a7 + 1) = B14;
 | |
| 		    *(a8 + 0) = B15;
 | |
| 		    *(a8 + 1) = B16;
 | |
| 		    *(b7 + 0) = A13;
 | |
| 		    *(b7 + 1) = A14;
 | |
| 		    *(b8 + 0) = A15;
 | |
| 		    *(b8 + 1) = A16;
 | |
| 		  }
 | |
| 	    }
 | |
| 	  
 | |
| 	  b1 = a + ip1;
 | |
| 	  b2 = a + ip2;
 | |
| 	  
 | |
| 	  b3 = b1 + 1 * lda;
 | |
| 	  b4 = b2 + 1 * lda;
 | |
| 	  b5 = b1 + 2 * lda;
 | |
| 	  b6 = b2 + 2 * lda;
 | |
| 	  b7 = b1 + 3 * lda;
 | |
| 	  b8 = b2 + 3 * lda;
 | |
| 
 | |
| #ifndef MINUS
 | |
| 	  a1 += 4;
 | |
| 	  a3 += 4;
 | |
| 	  a5 += 4;
 | |
| 	  a7 += 4;
 | |
| #else
 | |
| 	  a1 -= 4;
 | |
| 	  a3 -= 4;
 | |
| 	  a5 -= 4;
 | |
| 	  a7 -= 4;
 | |
| #endif
 | |
| 	i --;
 | |
|       }
 | |
|       
 | |
|       //Loop Ending
 | |
|       A1 = *(a1 + 0);
 | |
|       A2 = *(a1 + 1);
 | |
|       A3 = *(a2 + 0);
 | |
|       A4 = *(a2 + 1);
 | |
|       A5 = *(a3 + 0);
 | |
|       A6 = *(a3 + 1);
 | |
|       A7 = *(a4 + 0);
 | |
|       A8 = *(a4 + 1);
 | |
| 
 | |
|       A9  = *(a5 + 0);
 | |
|       A10 = *(a5 + 1);
 | |
|       A11 = *(a6 + 0);
 | |
|       A12 = *(a6 + 1);
 | |
|       A13 = *(a7 + 0);
 | |
|       A14 = *(a7 + 1);
 | |
|       A15 = *(a8 + 0);
 | |
|       A16 = *(a8 + 1);
 | |
| 
 | |
|       B1 = *(b1 + 0);
 | |
|       B2 = *(b1 + 1);
 | |
|       B3 = *(b2 + 0);
 | |
|       B4 = *(b2 + 1);
 | |
|       B5 = *(b3 + 0);
 | |
|       B6 = *(b3 + 1);
 | |
|       B7 = *(b4 + 0);
 | |
|       B8 = *(b4 + 1);
 | |
| 
 | |
|       B9  = *(b5 + 0);
 | |
|       B10 = *(b5 + 1);
 | |
|       B11 = *(b6 + 0);
 | |
|       B12 = *(b6 + 1);
 | |
|       B13 = *(b7 + 0);
 | |
|       B14 = *(b7 + 1);
 | |
|       B15 = *(b8 + 0);
 | |
|       B16 = *(b8 + 1);
 | |
| 	  
 | |
|       if (b1 == a1) {
 | |
| 	if (b2 == a1) {
 | |
| 	  *(a1 + 0) = A3;
 | |
| 	  *(a1 + 1) = A4;
 | |
| 	  *(a2 + 0) = A1;
 | |
| 	  *(a2 + 1) = A2;
 | |
| 	  *(a3 + 0) = A7;
 | |
| 	  *(a3 + 1) = A8;
 | |
| 	  *(a4 + 0) = A5;
 | |
| 	  *(a4 + 1) = A6;
 | |
| 	  *(a5 + 0) = A11;
 | |
| 	  *(a5 + 1) = A12;
 | |
| 	  *(a6 + 0) = A9;
 | |
| 	  *(a6 + 1) = A10;
 | |
| 	  *(a7 + 0) = A15;
 | |
| 	  *(a7 + 1) = A16;
 | |
| 	  *(a8 + 0) = A13;
 | |
| 	  *(a8 + 1) = A14;
 | |
| 	} else 
 | |
| 	  if (b2 != a2) {
 | |
| 	    *(a2 + 0) = B3;
 | |
| 	    *(a2 + 1) = B4;
 | |
| 	    *(b2 + 0) = A3;
 | |
| 	    *(b2 + 1) = A4;
 | |
| 	    *(a4 + 0) = B7;
 | |
| 	    *(a4 + 1) = B8;
 | |
| 	    *(b4 + 0) = A7;
 | |
| 	    *(b4 + 1) = A8;
 | |
| 	    *(a6 + 0) = B11;
 | |
| 	    *(a6 + 1) = B12;
 | |
| 	    *(b6 + 0) = A11;
 | |
| 	    *(b6 + 1) = A12;
 | |
| 	    *(a8 + 0) = B15;
 | |
| 	    *(a8 + 1) = B16;
 | |
| 	    *(b8 + 0) = A15;
 | |
| 	    *(b8 + 1) = A16;
 | |
| 	  }
 | |
|       } else 
 | |
| 	if (b1 == a2) {
 | |
| 	  if (b2 != a1) {
 | |
| 	    if (b2 == a2) {
 | |
| 	      *(a1 + 0) = A3;
 | |
| 	      *(a1 + 1) = A4;
 | |
| 	      *(a2 + 0) = A1;
 | |
| 	      *(a2 + 1) = A2;
 | |
| 	      *(a3 + 0) = A7;
 | |
| 	      *(a3 + 1) = A8;
 | |
| 	      *(a4 + 0) = A5;
 | |
| 	      *(a4 + 1) = A6;
 | |
| 	      *(a5 + 0) = A11;
 | |
| 	      *(a5 + 1) = A12;
 | |
| 	      *(a6 + 0) = A9;
 | |
| 	      *(a6 + 1) = A10;
 | |
| 	      *(a7 + 0) = A15;
 | |
| 	      *(a7 + 1) = A16;
 | |
| 	      *(a8 + 0) = A13;
 | |
| 	      *(a8 + 1) = A14;
 | |
| 	    } else {
 | |
| 	      *(a1 + 0) = A3;
 | |
| 	      *(a1 + 1) = A4;
 | |
| 	      *(a2 + 0) = B3;
 | |
| 	      *(a2 + 1) = B4;
 | |
| 	      *(b2 + 0) = A1;
 | |
| 	      *(b2 + 1) = A2;
 | |
| 	      *(a3 + 0) = A7;
 | |
| 	      *(a3 + 1) = A8;
 | |
| 	      *(a4 + 0) = B7;
 | |
| 	      *(a4 + 1) = B8;
 | |
| 	      *(b4 + 0) = A5;
 | |
| 	      *(b4 + 1) = A6;
 | |
| 
 | |
| 	      *(a5 + 0) = A11;
 | |
| 	      *(a5 + 1) = A12;
 | |
| 	      *(a6 + 0) = B11;
 | |
| 	      *(a6 + 1) = B12;
 | |
| 	      *(b6 + 0) = A9;
 | |
| 	      *(b6 + 1) = A10;
 | |
| 	      *(a7 + 0) = A15;
 | |
| 	      *(a7 + 1) = A16;
 | |
| 	      *(a8 + 0) = B15;
 | |
| 	      *(a8 + 1) = B16;
 | |
| 	      *(b8 + 0) = A13;
 | |
| 	      *(b8 + 1) = A14;
 | |
| 	    }
 | |
| 	  }
 | |
| 	} else {
 | |
| 	  if (b2 == a1) {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = B1;
 | |
| 	    *(a2 + 1) = B2;
 | |
| 	    *(b1 + 0) = A1;
 | |
| 	    *(b1 + 1) = A2;
 | |
| 	    *(a3 + 0) = A7;
 | |
| 	    *(a3 + 1) = A8;
 | |
| 	    *(a4 + 0) = B5;
 | |
| 	    *(a4 + 1) = B6;
 | |
| 	    *(b3 + 0) = A5;
 | |
| 	    *(b3 + 1) = A6;
 | |
| 	    *(a5 + 0) = A11;
 | |
| 	    *(a5 + 1) = A12;
 | |
| 	    *(a6 + 0) = B9;
 | |
| 	    *(a6 + 1) = B10;
 | |
| 	    *(b5 + 0) = A9;
 | |
| 	    *(b5 + 1) = A10;
 | |
| 	    *(a7 + 0) = A15;
 | |
| 	    *(a7 + 1) = A16;
 | |
| 	    *(a8 + 0) = B13;
 | |
| 	    *(a8 + 1) = B14;
 | |
| 	    *(b7 + 0) = A13;
 | |
| 	    *(b7 + 1) = A14;
 | |
| 	  } else 
 | |
| 	    if (b2 == a2) {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(b1 + 0) = A1;
 | |
| 	      *(b1 + 1) = A2;
 | |
| 	      *(a3 + 0) = B5;
 | |
| 	      *(a3 + 1) = B6;
 | |
| 	      *(b3 + 0) = A5;
 | |
| 	      *(b3 + 1) = A6;
 | |
| 	      *(a5 + 0) = B9;
 | |
| 	      *(a5 + 1) = B10;
 | |
| 	      *(b5 + 0) = A9;
 | |
| 	      *(b5 + 1) = A10;
 | |
| 	      *(a7 + 0) = B13;
 | |
| 	      *(a7 + 1) = B14;
 | |
| 	      *(b7 + 0) = A13;
 | |
| 	      *(b7 + 1) = A14;
 | |
| 	    } else 
 | |
| 	      if (b2 == b1) {
 | |
| 		*(a1 + 0) = B1;
 | |
| 		*(a1 + 1) = B2;
 | |
| 		*(a2 + 0) = A1;
 | |
| 		*(a2 + 1) = A2;
 | |
| 		*(b1 + 0) = A3;
 | |
| 		*(b1 + 1) = A4;
 | |
| 		*(a3 + 0) = B5;
 | |
| 		*(a3 + 1) = B6;
 | |
| 		*(a4 + 0) = A5;
 | |
| 		*(a4 + 1) = A6;
 | |
| 		*(b3 + 0) = A7;
 | |
| 		*(b3 + 1) = A8;
 | |
| 
 | |
| 		*(a5 + 0) = B9;
 | |
| 		*(a5 + 1) = B10;
 | |
| 		*(a6 + 0) = A9;
 | |
| 		*(a6 + 1) = A10;
 | |
| 		*(b5 + 0) = A11;
 | |
| 		*(b5 + 1) = A12;
 | |
| 		*(a7 + 0) = B13;
 | |
| 		*(a7 + 1) = B14;
 | |
| 		*(a8 + 0) = A13;
 | |
| 		*(a8 + 1) = A14;
 | |
| 		*(b7 + 0) = A15;
 | |
| 		*(b7 + 1) = A16;
 | |
| 	      } else {
 | |
| 		*(a1 + 0) = B1;
 | |
| 		*(a1 + 1) = B2;
 | |
| 		*(a2 + 0) = B3;
 | |
| 		*(a2 + 1) = B4;
 | |
| 		*(b1 + 0) = A1;
 | |
| 		*(b1 + 1) = A2;
 | |
| 		*(b2 + 0) = A3;
 | |
| 		*(b2 + 1) = A4;
 | |
| 		*(a3 + 0) = B5;
 | |
| 		*(a3 + 1) = B6;
 | |
| 		*(a4 + 0) = B7;
 | |
| 		*(a4 + 1) = B8;
 | |
| 		*(b3 + 0) = A5;
 | |
| 		*(b3 + 1) = A6;
 | |
| 		*(b4 + 0) = A7;
 | |
| 		*(b4 + 1) = A8;
 | |
| 		*(a5 + 0) = B9;
 | |
| 		*(a5 + 1) = B10;
 | |
| 		*(a6 + 0) = B11;
 | |
| 		*(a6 + 1) = B12;
 | |
| 		*(b5 + 0) = A9;
 | |
| 		*(b5 + 1) = A10;
 | |
| 		*(b6 + 0) = A11;
 | |
| 		*(b6 + 1) = A12;
 | |
| 		*(a7 + 0) = B13;
 | |
| 		*(a7 + 1) = B14;
 | |
| 		*(a8 + 0) = B15;
 | |
| 		*(a8 + 1) = B16;
 | |
| 		*(b7 + 0) = A13;
 | |
| 		*(b7 + 1) = A14;
 | |
| 		*(b8 + 0) = A15;
 | |
| 		*(b8 + 1) = A16;
 | |
| 	      }
 | |
| 	}
 | |
| 	  
 | |
| #ifndef MINUS
 | |
|       a1 += 4;
 | |
|       a3 += 4;
 | |
|       a5 += 4;
 | |
|       a7 += 4;
 | |
| #else
 | |
|       a1 -= 4;
 | |
|       a3 -= 4;
 | |
|       a5 -= 4;
 | |
|       a7 -= 4;
 | |
| #endif
 | |
|       //Remain
 | |
|       i = (rows & 1);
 | |
|       
 | |
|       if (i > 0) {
 | |
| 	ip1 = *piv * 2;
 | |
| 	b1 = a + ip1;
 | |
| 	b3 = b1 + 1 * lda;
 | |
| 	b5 = b1 + 2 * lda;
 | |
| 	b7 = b1 + 3 * lda;
 | |
| 
 | |
| 
 | |
| 
 | |
| 	A1 = *(a1 + 0);
 | |
| 	A2 = *(a1 + 1);
 | |
| 	A3 = *(a3 + 0);
 | |
| 	A4 = *(a3 + 1);
 | |
| 	B1 = *(b1 + 0);
 | |
| 	B2 = *(b1 + 1);
 | |
| 	B3 = *(b3 + 0);
 | |
| 	B4 = *(b3 + 1);
 | |
| 	A5 = *(a5 + 0);
 | |
| 	A6 = *(a5 + 1);
 | |
| 	A7 = *(a7 + 0);
 | |
| 	A8 = *(a7 + 1);
 | |
| 	B5 = *(b5 + 0);
 | |
| 	B6 = *(b5 + 1);
 | |
| 	B7 = *(b7 + 0);
 | |
| 	B8 = *(b7 + 1);
 | |
| 
 | |
| 	*(a1 + 0) = B1;
 | |
| 	*(a1 + 1) = B2;
 | |
| 	*(a3 + 0) = B3;
 | |
| 	*(a3 + 1) = B4;
 | |
| 	*(b1 + 0) = A1;
 | |
| 	*(b1 + 1) = A2;
 | |
| 	*(b3 + 0) = A3;
 | |
| 	*(b3 + 1) = A4;
 | |
| 	*(a5 + 0) = B5;
 | |
| 	*(a5 + 1) = B6;
 | |
| 	*(a7 + 0) = B7;
 | |
| 	*(a7 + 1) = B8;
 | |
| 	*(b5 + 0) = A5;
 | |
| 	*(b5 + 1) = A6;
 | |
| 	*(b7 + 0) = A7;
 | |
| 	*(b7 + 1) = A8;
 | |
|       }
 | |
|       
 | |
|       a += 4 * lda;
 | |
|       
 | |
|       j --;
 | |
|     } while (j > 0);
 | |
|   }
 | |
| 
 | |
|   if (n & 2) {
 | |
|     piv = ipiv;
 | |
| 
 | |
| #ifndef MINUS
 | |
|     a1 = a + (k1 + 1) * 2;
 | |
| #else
 | |
|     a1 = a + k2 * 2;
 | |
| #endif
 | |
| 
 | |
|     a3 = a1 + lda;
 | |
|       
 | |
|     ip1 = *piv * 2;
 | |
|     piv += incx;
 | |
|     ip2 = *piv * 2;
 | |
|     piv += incx;
 | |
|     
 | |
|     b1 = a + ip1;
 | |
|     b2 = a + ip2;
 | |
|     
 | |
|     b3 = b1 + lda;
 | |
|     b4 = b2 + lda;
 | |
|     
 | |
|     i = (rows >> 1);
 | |
|     i--;
 | |
| 
 | |
|     //Loop pipeline
 | |
|     //Main Loop
 | |
|     while (i > 0) {
 | |
|       A1 = *(a1 + 0);
 | |
|       A2 = *(a1 + 1);
 | |
|       A3 = *(a2 + 0);
 | |
|       A4 = *(a2 + 1);
 | |
| 	
 | |
|       A5 = *(a3 + 0);
 | |
|       A6 = *(a3 + 1);
 | |
|       A7 = *(a4 + 0);
 | |
|       A8 = *(a4 + 1);
 | |
| 
 | |
|       B1 = *(b1 + 0);
 | |
|       B2 = *(b1 + 1);
 | |
|       B3 = *(b2 + 0);
 | |
|       B4 = *(b2 + 1);
 | |
| 	
 | |
|       B5 = *(b3 + 0);
 | |
|       B6 = *(b3 + 1);
 | |
|       B7 = *(b4 + 0);
 | |
|       B8 = *(b4 + 1);
 | |
| 	
 | |
|       ip1 = *piv * 2;
 | |
|       piv += incx;
 | |
|       ip2 = *piv * 2;
 | |
|       piv += incx;
 | |
| 	
 | |
|       if (b1 == a1) {
 | |
| 	if (b2 == a1) {
 | |
| 	  *(a1 + 0) = A3;
 | |
| 	  *(a1 + 1) = A4;
 | |
| 	  *(a2 + 0) = A1;
 | |
| 	  *(a2 + 1) = A2;
 | |
| 	  *(a3 + 0) = A7;
 | |
| 	  *(a3 + 1) = A8;
 | |
| 	  *(a4 + 0) = A5;
 | |
| 	  *(a4 + 1) = A6;
 | |
| 	} else 
 | |
| 	  if (b2 != a2) {
 | |
| 	    *(a2 + 0) = B3;
 | |
| 	    *(a2 + 1) = B4;
 | |
| 	    *(b2 + 0) = A3;
 | |
| 	    *(b2 + 1) = A4;
 | |
| 	    *(a4 + 0) = B7;
 | |
| 	    *(a4 + 1) = B8;
 | |
| 	    *(b4 + 0) = A7;
 | |
| 	    *(b4 + 1) = A8;
 | |
| 	  }
 | |
|       } else 
 | |
| 	if (b1 == a2) {
 | |
| 	  if (b2 != a1) {
 | |
| 	    if (b2 == a2) {
 | |
| 	      *(a1 + 0) = A3;
 | |
| 	      *(a1 + 1) = A4;
 | |
| 	      *(a2 + 0) = A1;
 | |
| 	      *(a2 + 1) = A2;
 | |
| 	      *(a3 + 0) = A7;
 | |
| 	      *(a3 + 1) = A8;
 | |
| 	      *(a4 + 0) = A5;
 | |
| 	      *(a4 + 1) = A6;
 | |
| 	    } else {
 | |
| 	      *(a1 + 0) = A3;
 | |
| 	      *(a1 + 1) = A4;
 | |
| 	      *(a2 + 0) = B3;
 | |
| 	      *(a2 + 1) = B4;
 | |
| 	      *(b2 + 0) = A1;
 | |
| 	      *(b2 + 1) = A2;
 | |
| 	      *(a3 + 0) = A7;
 | |
| 	      *(a3 + 1) = A8;
 | |
| 	      *(a4 + 0) = B7;
 | |
| 	      *(a4 + 1) = B8;
 | |
| 	      *(b4 + 0) = A5;
 | |
| 	      *(b4 + 1) = A6;
 | |
| 	    }
 | |
| 	  }
 | |
| 	} else {
 | |
| 	  if (b2 == a1) {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = B1;
 | |
| 	    *(a2 + 1) = B2;
 | |
| 	    *(b1 + 0) = A1;
 | |
| 	    *(b1 + 1) = A2;
 | |
| 	    *(a3 + 0) = A7;
 | |
| 	    *(a3 + 1) = A8;
 | |
| 	    *(a4 + 0) = B5;
 | |
| 	    *(a4 + 1) = B6;
 | |
| 	    *(b3 + 0) = A5;
 | |
| 	    *(b3 + 1) = A6;
 | |
| 	  } else 
 | |
| 	    if (b2 == a2) {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(b1 + 0) = A1;
 | |
| 	      *(b1 + 1) = A2;
 | |
| 	      *(a3 + 0) = B5;
 | |
| 	      *(a3 + 1) = B6;
 | |
| 	      *(b3 + 0) = A5;
 | |
| 	      *(b3 + 1) = A6;
 | |
| 	    } else 
 | |
| 	      if (b2 == b1) {
 | |
| 		*(a1 + 0) = B1;
 | |
| 		*(a1 + 1) = B2;
 | |
| 		*(a2 + 0) = A1;
 | |
| 		*(a2 + 1) = A2;
 | |
| 		*(b1 + 0) = A3;
 | |
| 		*(b1 + 1) = A4;
 | |
| 		*(a3 + 0) = B5;
 | |
| 		*(a3 + 1) = B6;
 | |
| 		*(a4 + 0) = A5;
 | |
| 		*(a4 + 1) = A6;
 | |
| 		*(b3 + 0) = A7;
 | |
| 		*(b3 + 1) = A8;
 | |
| 	      } else {
 | |
| 		*(a1 + 0) = B1;
 | |
| 		*(a1 + 1) = B2;
 | |
| 		*(a2 + 0) = B3;
 | |
| 		*(a2 + 1) = B4;
 | |
| 		*(b1 + 0) = A1;
 | |
| 		*(b1 + 1) = A2;
 | |
| 		*(b2 + 0) = A3;
 | |
| 		*(b2 + 1) = A4;
 | |
| 		*(a3 + 0) = B5;
 | |
| 		*(a3 + 1) = B6;
 | |
| 		*(a4 + 0) = B7;
 | |
| 		*(a4 + 1) = B8;
 | |
| 		*(b3 + 0) = A5;
 | |
| 		*(b3 + 1) = A6;
 | |
| 		*(b4 + 0) = A7;
 | |
| 		*(b4 + 1) = A8;
 | |
| 	      }
 | |
| 	}
 | |
| 	
 | |
|       b1 = a + ip1;
 | |
|       b2 = a + ip2;
 | |
| 	
 | |
|       b3 = b1 + lda;
 | |
|       b4 = b2 + lda;
 | |
| 	
 | |
| #ifndef MINUS
 | |
|       a1 += 4;
 | |
|       a3 += 4;
 | |
| #else
 | |
|       a1 -= 4;
 | |
|       a3 -= 4;
 | |
| #endif
 | |
|       i --;
 | |
|     }
 | |
|     //Loop Ending
 | |
|     A1 = *(a1 + 0);
 | |
|     A2 = *(a1 + 1);
 | |
|     A3 = *(a2 + 0);
 | |
|     A4 = *(a2 + 1);
 | |
| 	
 | |
|     A5 = *(a3 + 0);
 | |
|     A6 = *(a3 + 1);
 | |
|     A7 = *(a4 + 0);
 | |
|     A8 = *(a4 + 1);
 | |
| 
 | |
|     B1 = *(b1 + 0);
 | |
|     B2 = *(b1 + 1);
 | |
|     B3 = *(b2 + 0);
 | |
|     B4 = *(b2 + 1);
 | |
| 	
 | |
|     B5 = *(b3 + 0);
 | |
|     B6 = *(b3 + 1);
 | |
|     B7 = *(b4 + 0);
 | |
|     B8 = *(b4 + 1);
 | |
| 	
 | |
| 	
 | |
|     if (b1 == a1) {
 | |
|       if (b2 == a1) {
 | |
| 	*(a1 + 0) = A3;
 | |
| 	*(a1 + 1) = A4;
 | |
| 	*(a2 + 0) = A1;
 | |
| 	*(a2 + 1) = A2;
 | |
| 	*(a3 + 0) = A7;
 | |
| 	*(a3 + 1) = A8;
 | |
| 	*(a4 + 0) = A5;
 | |
| 	*(a4 + 1) = A6;
 | |
|       } else 
 | |
| 	if (b2 != a2) {
 | |
| 	  *(a2 + 0) = B3;
 | |
| 	  *(a2 + 1) = B4;
 | |
| 	  *(b2 + 0) = A3;
 | |
| 	  *(b2 + 1) = A4;
 | |
| 	  *(a4 + 0) = B7;
 | |
| 	  *(a4 + 1) = B8;
 | |
| 	  *(b4 + 0) = A7;
 | |
| 	  *(b4 + 1) = A8;
 | |
| 	}
 | |
|     } else 
 | |
|       if (b1 == a2) {
 | |
| 	if (b2 != a1) {
 | |
| 	  if (b2 == a2) {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = A1;
 | |
| 	    *(a2 + 1) = A2;
 | |
| 	    *(a3 + 0) = A7;
 | |
| 	    *(a3 + 1) = A8;
 | |
| 	    *(a4 + 0) = A5;
 | |
| 	    *(a4 + 1) = A6;
 | |
| 	  } else {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = B3;
 | |
| 	    *(a2 + 1) = B4;
 | |
| 	    *(b2 + 0) = A1;
 | |
| 	    *(b2 + 1) = A2;
 | |
| 	    *(a3 + 0) = A7;
 | |
| 	    *(a3 + 1) = A8;
 | |
| 	    *(a4 + 0) = B7;
 | |
| 	    *(a4 + 1) = B8;
 | |
| 	    *(b4 + 0) = A5;
 | |
| 	    *(b4 + 1) = A6;
 | |
| 	  }
 | |
| 	}
 | |
|       } else {
 | |
| 	if (b2 == a1) {
 | |
| 	  *(a1 + 0) = A3;
 | |
| 	  *(a1 + 1) = A4;
 | |
| 	  *(a2 + 0) = B1;
 | |
| 	  *(a2 + 1) = B2;
 | |
| 	  *(b1 + 0) = A1;
 | |
| 	  *(b1 + 1) = A2;
 | |
| 	  *(a3 + 0) = A7;
 | |
| 	  *(a3 + 1) = A8;
 | |
| 	  *(a4 + 0) = B5;
 | |
| 	  *(a4 + 1) = B6;
 | |
| 	  *(b3 + 0) = A5;
 | |
| 	  *(b3 + 1) = A6;
 | |
| 	} else 
 | |
| 	  if (b2 == a2) {
 | |
| 	    *(a1 + 0) = B1;
 | |
| 	    *(a1 + 1) = B2;
 | |
| 	    *(b1 + 0) = A1;
 | |
| 	    *(b1 + 1) = A2;
 | |
| 	    *(a3 + 0) = B5;
 | |
| 	    *(a3 + 1) = B6;
 | |
| 	    *(b3 + 0) = A5;
 | |
| 	    *(b3 + 1) = A6;
 | |
| 	  } else 
 | |
| 	    if (b2 == b1) {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(a2 + 0) = A1;
 | |
| 	      *(a2 + 1) = A2;
 | |
| 	      *(b1 + 0) = A3;
 | |
| 	      *(b1 + 1) = A4;
 | |
| 	      *(a3 + 0) = B5;
 | |
| 	      *(a3 + 1) = B6;
 | |
| 	      *(a4 + 0) = A5;
 | |
| 	      *(a4 + 1) = A6;
 | |
| 	      *(b3 + 0) = A7;
 | |
| 	      *(b3 + 1) = A8;
 | |
| 	    } else {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(a2 + 0) = B3;
 | |
| 	      *(a2 + 1) = B4;
 | |
| 	      *(b1 + 0) = A1;
 | |
| 	      *(b1 + 1) = A2;
 | |
| 	      *(b2 + 0) = A3;
 | |
| 	      *(b2 + 1) = A4;
 | |
| 	      *(a3 + 0) = B5;
 | |
| 	      *(a3 + 1) = B6;
 | |
| 	      *(a4 + 0) = B7;
 | |
| 	      *(a4 + 1) = B8;
 | |
| 	      *(b3 + 0) = A5;
 | |
| 	      *(b3 + 1) = A6;
 | |
| 	      *(b4 + 0) = A7;
 | |
| 	      *(b4 + 1) = A8;
 | |
| 	    }
 | |
|       }
 | |
| 	
 | |
| #ifndef MINUS
 | |
|     a1 += 4;
 | |
|     a3 += 4;
 | |
| #else
 | |
|     a1 -= 4;
 | |
|     a3 -= 4;
 | |
| #endif
 | |
| 
 | |
|     //Remain
 | |
|     i = (rows & 1);
 | |
|     
 | |
|     if (i > 0) {
 | |
|       ip1 = *piv * 2;
 | |
| 
 | |
|       b1 = a + ip1;
 | |
|       b3 = b1 + lda;
 | |
| 
 | |
|       A1 = *(a1 + 0);
 | |
|       A2 = *(a1 + 1);
 | |
|       A3 = *(a3 + 0);
 | |
|       A4 = *(a3 + 1);
 | |
|       B1 = *(b1 + 0);
 | |
|       B2 = *(b1 + 1);
 | |
|       B3 = *(b3 + 0);
 | |
|       B4 = *(b3 + 1);
 | |
|       *(a1 + 0) = B1;
 | |
|       *(a1 + 1) = B2;
 | |
|       *(a3 + 0) = B3;
 | |
|       *(a3 + 1) = B4;
 | |
|       *(b1 + 0) = A1;
 | |
|       *(b1 + 1) = A2;
 | |
|       *(b3 + 0) = A3;
 | |
|       *(b3 + 1) = A4;
 | |
|     }
 | |
|     
 | |
|     a += 2 * lda;
 | |
|       
 | |
|   }
 | |
| 
 | |
|   if (n & 1) {
 | |
|     piv = ipiv;
 | |
|     
 | |
| #ifndef MINUS
 | |
|     a1 = a + (k1 + 1) * 2;
 | |
| #else
 | |
|     a1 = a + k2 * 2;
 | |
| #endif
 | |
|     
 | |
|     ip1 = *piv * 2;
 | |
|     piv += incx;
 | |
|     ip2 = *piv * 2;
 | |
|     piv += incx;
 | |
|     
 | |
|     b1 = a + ip1;
 | |
|     b2 = a + ip2;
 | |
|     
 | |
|     i = (rows >> 1);
 | |
|     i--;
 | |
| 
 | |
|     //Loop pipeline
 | |
|     //Main Loop
 | |
|     while (i > 0) {
 | |
| 	A1 = *(a1 + 0);
 | |
| 	A2 = *(a1 + 1);
 | |
| 	A3 = *(a2 + 0);
 | |
| 	A4 = *(a2 + 1);
 | |
| 	B1 = *(b1 + 0);
 | |
| 	B2 = *(b1 + 1);
 | |
| 	B3 = *(b2 + 0);
 | |
| 	B4 = *(b2 + 1);
 | |
| 	
 | |
| 	ip1 = *piv * 2;
 | |
| 	piv += incx;
 | |
| 	ip2 = *piv * 2;
 | |
| 	piv += incx;
 | |
| 	
 | |
| 	if (b1 == a1) {
 | |
| 	  if (b2 == a1) {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = A1;
 | |
| 	    *(a2 + 1) = A2;
 | |
| 	  } else 
 | |
| 	    if (b2 != a2) {
 | |
| 	      *(a2 + 0) = B3;
 | |
| 	      *(a2 + 1) = B4;
 | |
| 	      *(b2 + 0) = A3;
 | |
| 	      *(b2 + 1) = A4;
 | |
| 	    }
 | |
| 	} else 
 | |
| 	  if (b1 == a2) {
 | |
| 	    if (b2 != a1) {
 | |
| 	      if (b2 == a2) {
 | |
| 		*(a1 + 0) = A3;
 | |
| 		*(a1 + 1) = A4;
 | |
| 		*(a2 + 0) = A1;
 | |
| 		*(a2 + 1) = A2;
 | |
| 	      } else {
 | |
| 		*(a1 + 0) = A3;
 | |
| 		*(a1 + 1) = A4;
 | |
| 		*(a2 + 0) = B3;
 | |
| 		*(a2 + 1) = B4;
 | |
| 		*(b2 + 0) = A1;
 | |
| 		*(b2 + 1) = A2;
 | |
| 	      }
 | |
| 	    }
 | |
| 	  } else {
 | |
| 	    if (b2 == a1) {
 | |
| 	      *(a1 + 0) = A3;
 | |
| 	      *(a1 + 1) = A4;
 | |
| 	      *(a2 + 0) = B1;
 | |
| 	      *(a2 + 1) = B2;
 | |
| 	      *(b1 + 0) = A1;
 | |
| 	      *(b1 + 1) = A2;
 | |
| 	    } else 
 | |
| 	      if (b2 == a2) {
 | |
| 		*(a1 + 0) = B1;
 | |
| 		*(a1 + 1) = B2;
 | |
| 		*(b1 + 0) = A1;
 | |
| 		*(b1 + 1) = A2;
 | |
| 	      } else 
 | |
| 		if (b2 == b1) {
 | |
| 		  *(a1 + 0) = B1;
 | |
| 		  *(a1 + 1) = B2;
 | |
| 		  *(a2 + 0) = A1;
 | |
| 		  *(a2 + 1) = A2;
 | |
| 		  *(b1 + 0) = A3;
 | |
| 		  *(b1 + 1) = A4;
 | |
| 		} else {
 | |
| 		  *(a1 + 0) = B1;
 | |
| 		  *(a1 + 1) = B2;
 | |
| 		  *(a2 + 0) = B3;
 | |
| 		  *(a2 + 1) = B4;
 | |
| 		  *(b1 + 0) = A1;
 | |
| 		  *(b1 + 1) = A2;
 | |
| 		  *(b2 + 0) = A3;
 | |
| 		  *(b2 + 1) = A4;
 | |
| 		}
 | |
| 	  }
 | |
| 	
 | |
| 	b1 = a + ip1;
 | |
| 	b2 = a + ip2;
 | |
| 	
 | |
| #ifndef MINUS
 | |
| 	a1 += 4;
 | |
| #else
 | |
| 	a1 -= 4;
 | |
| #endif
 | |
| 	i --;
 | |
|     }
 | |
|     //Loop Ending
 | |
|     A1 = *(a1 + 0);
 | |
|     A2 = *(a1 + 1);
 | |
|     A3 = *(a2 + 0);
 | |
|     A4 = *(a2 + 1);
 | |
|     B1 = *(b1 + 0);
 | |
|     B2 = *(b1 + 1);
 | |
|     B3 = *(b2 + 0);
 | |
|     B4 = *(b2 + 1);
 | |
| 	
 | |
|     if (b1 == a1) {
 | |
|       if (b2 == a1) {
 | |
| 	*(a1 + 0) = A3;
 | |
| 	*(a1 + 1) = A4;
 | |
| 	*(a2 + 0) = A1;
 | |
| 	*(a2 + 1) = A2;
 | |
|       } else 
 | |
| 	if (b2 != a2) {
 | |
| 	  *(a2 + 0) = B3;
 | |
| 	  *(a2 + 1) = B4;
 | |
| 	  *(b2 + 0) = A3;
 | |
| 	  *(b2 + 1) = A4;
 | |
| 	}
 | |
|     } else 
 | |
|       if (b1 == a2) {
 | |
| 	if (b2 != a1) {
 | |
| 	  if (b2 == a2) {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = A1;
 | |
| 	    *(a2 + 1) = A2;
 | |
| 	  } else {
 | |
| 	    *(a1 + 0) = A3;
 | |
| 	    *(a1 + 1) = A4;
 | |
| 	    *(a2 + 0) = B3;
 | |
| 	    *(a2 + 1) = B4;
 | |
| 	    *(b2 + 0) = A1;
 | |
| 	    *(b2 + 1) = A2;
 | |
| 	  }
 | |
| 	}
 | |
|       } else {
 | |
| 	if (b2 == a1) {
 | |
| 	  *(a1 + 0) = A3;
 | |
| 	  *(a1 + 1) = A4;
 | |
| 	  *(a2 + 0) = B1;
 | |
| 	  *(a2 + 1) = B2;
 | |
| 	  *(b1 + 0) = A1;
 | |
| 	  *(b1 + 1) = A2;
 | |
| 	} else 
 | |
| 	  if (b2 == a2) {
 | |
| 	    *(a1 + 0) = B1;
 | |
| 	    *(a1 + 1) = B2;
 | |
| 	    *(b1 + 0) = A1;
 | |
| 	    *(b1 + 1) = A2;
 | |
| 	  } else 
 | |
| 	    if (b2 == b1) {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(a2 + 0) = A1;
 | |
| 	      *(a2 + 1) = A2;
 | |
| 	      *(b1 + 0) = A3;
 | |
| 	      *(b1 + 1) = A4;
 | |
| 	    } else {
 | |
| 	      *(a1 + 0) = B1;
 | |
| 	      *(a1 + 1) = B2;
 | |
| 	      *(a2 + 0) = B3;
 | |
| 	      *(a2 + 1) = B4;
 | |
| 	      *(b1 + 0) = A1;
 | |
| 	      *(b1 + 1) = A2;
 | |
| 	      *(b2 + 0) = A3;
 | |
| 	      *(b2 + 1) = A4;
 | |
| 	    }
 | |
|       }
 | |
| 	
 | |
| #ifndef MINUS
 | |
|     a1 += 4;
 | |
| #else
 | |
|     a1 -= 4;
 | |
| #endif
 | |
|     
 | |
|     //Remain
 | |
|     i = (rows & 1);
 | |
|     
 | |
|     if (i > 0) {
 | |
|       ip1 = *piv * 2;
 | |
|       b1 = a + ip1;
 | |
| 
 | |
|       A1 = *(a1 + 0);
 | |
|       A2 = *(a1 + 1);
 | |
|       B1 = *(b1 + 0);
 | |
|       B2 = *(b1 + 1);
 | |
|       *(a1 + 0) = B1;
 | |
|       *(a1 + 1) = B2;
 | |
|       *(b1 + 0) = A1;
 | |
|       *(b1 + 1) = A2;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return 0;
 | |
| } 
 | |
| 
 |