909 lines
15 KiB
C
909 lines
15 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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#include <stdio.h>
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#include "common.h"
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#ifndef MINUS
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#define a2 (a1 + 1)
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#define a4 (a3 + 1)
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#define a6 (a5 + 1)
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#define a8 (a7 + 1)
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#define a10 (a9 + 1)
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#define a12 (a11 + 1)
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#define a14 (a13 + 1)
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#define a16 (a15 + 1)
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#else
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#define a2 (a1 - 1)
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#define a4 (a3 - 1)
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#define a6 (a5 - 1)
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#define a8 (a7 - 1)
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#define a10 (a9 - 1)
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#define a12 (a11 - 1)
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#define a14 (a13 - 1)
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#define a16 (a15 - 1)
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#endif
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int CNAME(BLASLONG n, BLASLONG k1, BLASLONG k2, FLOAT dummy1, FLOAT *a, BLASLONG lda,
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FLOAT *dummy2, BLASLONG dumy3, blasint *ipiv, BLASLONG incx){
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BLASLONG i, j, ip1, ip2;
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blasint *piv;
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FLOAT *a1, *a3, *a5, *a7;
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FLOAT *a9, *a11, *a13, *a15;
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FLOAT *b1, *b2, *b3, *b4;
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FLOAT *b5, *b6, *b7, *b8;
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FLOAT *b9, *b10, *b11, *b12;
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FLOAT *b13, *b14, *b15, *b16;
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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--;
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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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j = (n >> 3);
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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;
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#else
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a1 = a + k2;
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#endif
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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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a9 = a1 + 4 * lda;
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a11 = a1 + 5 * lda;
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a13 = a1 + 6 * lda;
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a15 = a1 + 7 * lda;
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ip1 = *piv;
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piv += incx;
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ip2 = *piv;
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piv += incx;
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b1 = a + ip1;
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b2 = a + ip2;
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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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b9 = b1 + 4 * lda;
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b10 = b2 + 4 * lda;
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b11 = b1 + 5 * lda;
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b12 = b2 + 5 * lda;
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b13 = b1 + 6 * lda;
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b14 = b2 + 6 * lda;
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b15 = b1 + 7 * lda;
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b16 = b2 + 7 * lda;
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i = ((k2 - k1) >> 1);
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if (i > 0) {
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do {
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B1 = *b1;
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B2 = *b2;
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B3 = *b3;
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B4 = *b4;
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B5 = *b5;
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B6 = *b6;
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B7 = *b7;
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B8 = *b8;
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B9 = *b9;
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B10 = *b10;
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B11 = *b11;
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B12 = *b12;
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B13 = *b13;
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B14 = *b14;
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B15 = *b15;
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B16 = *b16;
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A1 = *a1;
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A2 = *a2;
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A3 = *a3;
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A4 = *a4;
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A5 = *a5;
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A6 = *a6;
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A7 = *a7;
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A8 = *a8;
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A9 = *a9;
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A10 = *a10;
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A11 = *a11;
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A12 = *a12;
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A13 = *a13;
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A14 = *a14;
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A15 = *a15;
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A16 = *a16;
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ip1 = *piv;
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piv += incx;
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ip2 = *piv;
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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 = A2;
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*a2 = A1;
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*a3 = A4;
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*a4 = A3;
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*a5 = A6;
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*a6 = A5;
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*a7 = A8;
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*a8 = A7;
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*a9 = A10;
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*a10 = A9;
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*a11 = A12;
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*a12 = A11;
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*a13 = A14;
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*a14 = A13;
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*a15 = A16;
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*a16 = A15;
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} else
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if (b2 != a2) {
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*a2 = B2;
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*b2 = A2;
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*a4 = B4;
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*b4 = A4;
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*a6 = B6;
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*b6 = A6;
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*a8 = B8;
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*b8 = A8;
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*a10 = B10;
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*b10 = A10;
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*a12 = B12;
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*b12 = A12;
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*a14 = B14;
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*b14 = A14;
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*a16 = B16;
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*b16 = 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 = A2;
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*a2 = A1;
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*a3 = A4;
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*a4 = A3;
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*a5 = A6;
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*a6 = A5;
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*a7 = A8;
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*a8 = A7;
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*a9 = A10;
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*a10 = A9;
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*a11 = A12;
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*a12 = A11;
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*a13 = A14;
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*a14 = A13;
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*a15 = A16;
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*a16 = A15;
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} else {
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*a1 = A2;
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*a2 = B2;
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*b2 = A1;
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*a3 = A4;
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*a4 = B4;
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*b4 = A3;
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*a5 = A6;
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*a6 = B6;
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*b6 = A5;
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*a7 = A8;
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*a8 = B8;
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*b8 = A7;
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*a9 = A10;
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*a10 = B10;
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*b10 = A9;
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*a11 = A12;
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*a12 = B12;
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*b12 = A11;
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*a13 = A14;
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*a14 = B14;
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*b14 = A13;
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*a15 = A16;
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*a16 = B16;
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*b16 = A15;
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}
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}
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} else {
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if (b2 == a1) {
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*a1 = A2;
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*a2 = B1;
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*b1 = A1;
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*a3 = A4;
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*a4 = B3;
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*b3 = A3;
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*a5 = A6;
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*a6 = B5;
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*b5 = A5;
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*a7 = A8;
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*a8 = B7;
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*b7 = A7;
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*a9 = A10;
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*a10 = B9;
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*b9 = A9;
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*a11 = A12;
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*a12 = B11;
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*b11 = A11;
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*a13 = A14;
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*a14 = B13;
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*b13 = A13;
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*a15 = A16;
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*a16 = B15;
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*b15 = A15;
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} else
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if (b2 == a2) {
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*a1 = B1;
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*b1 = A1;
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*a3 = B3;
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*b3 = A3;
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*a5 = B5;
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*b5 = A5;
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*a7 = B7;
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*b7 = A7;
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*a9 = B9;
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*b9 = A9;
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*a11 = B11;
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*b11 = A11;
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*a13 = B13;
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*b13 = A13;
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*a15 = B15;
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*b15 = A15;
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} else
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if (b2 == b1) {
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*a1 = B1;
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*a2 = A1;
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*b1 = A2;
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*a3 = B3;
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*a4 = A3;
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*b3 = A4;
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*a5 = B5;
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*a6 = A5;
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*b5 = A6;
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*a7 = B7;
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*a8 = A7;
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*b7 = A8;
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*a9 = B9;
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*a10 = A9;
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*b9 = A10;
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*a11 = B11;
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*a12 = A11;
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*b11 = A12;
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*a13 = B13;
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*a14 = A13;
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*b13 = A14;
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*a15 = B15;
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*a16 = A15;
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*b15 = A16;
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} else {
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*a1 = B1;
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*a2 = B2;
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*b1 = A1;
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*b2 = A2;
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*a3 = B3;
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*a4 = B4;
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*b3 = A3;
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*b4 = A4;
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*a5 = B5;
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*a6 = B6;
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*b5 = A5;
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*b6 = A6;
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*a7 = B7;
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*a8 = B8;
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*b7 = A7;
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*b8 = A8;
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*a9 = B9;
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*a10 = B10;
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*b9 = A9;
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*b10 = A10;
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*a11 = B11;
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*a12 = B12;
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*b11 = A11;
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*b12 = A12;
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*a13 = B13;
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*a14 = B14;
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*b13 = A13;
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*b14 = A14;
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*a15 = B15;
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*a16 = B16;
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*b15 = A15;
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*b16 = A16;
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}
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}
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b1 = a + ip1;
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b2 = a + ip2;
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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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b9 = b1 + 4 * lda;
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b10 = b2 + 4 * lda;
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b11 = b1 + 5 * lda;
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b12 = b2 + 5 * lda;
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b13 = b1 + 6 * lda;
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b14 = b2 + 6 * lda;
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b15 = b1 + 7 * lda;
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b16 = b2 + 7 * lda;
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#ifndef MINUS
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a1 += 2;
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a3 += 2;
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a5 += 2;
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a7 += 2;
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a9 += 2;
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a11 += 2;
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a13 += 2;
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a15 += 2;
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#else
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a1 -= 2;
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a3 -= 2;
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a5 -= 2;
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a7 -= 2;
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a9 -= 2;
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a11 -= 2;
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a13 -= 2;
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a15 -= 2;
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#endif
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i --;
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} while (i > 0);
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}
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i = ((k2 - k1) & 1);
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if (i > 0) {
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A1 = *a1;
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B1 = *b1;
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A3 = *a3;
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B3 = *b3;
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A5 = *a5;
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B5 = *b5;
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A7 = *a7;
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B7 = *b7;
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A9 = *a9;
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B9 = *b9;
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A11 = *a11;
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B11 = *b11;
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A13 = *a13;
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B13 = *b13;
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A15 = *a15;
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B15 = *b15;
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*a1 = B1;
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*b1 = A1;
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*a3 = B3;
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*b3 = A3;
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*a5 = B5;
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*b5 = A5;
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*a7 = B7;
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*b7 = A7;
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*a9 = B9;
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*b9 = A9;
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*a11 = B11;
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*b11 = A11;
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*a13 = B13;
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*b13 = A13;
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*a15 = B15;
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*b15 = A15;
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}
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a += 8 * lda;
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j --;
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} while (j > 0);
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}
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if (n & 4) {
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piv = ipiv;
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#ifndef MINUS
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a1 = a + k1 + 1;
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#else
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a1 = a + k2;
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#endif
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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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ip1 = *piv;
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piv += incx;
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ip2 = *piv;
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piv += incx;
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b1 = a + ip1;
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b2 = a + ip2;
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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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i = ((k2 - k1) >> 1);
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if (i > 0) {
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do {
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A1 = *a1;
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A2 = *a2;
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A3 = *a3;
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A4 = *a4;
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A5 = *a5;
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A6 = *a6;
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A7 = *a7;
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A8 = *a8;
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B1 = *b1;
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B2 = *b2;
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B3 = *b3;
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B4 = *b4;
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B5 = *b5;
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B6 = *b6;
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B7 = *b7;
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B8 = *b8;
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ip1 = *piv;
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piv += incx;
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ip2 = *piv;
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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 = A2;
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*a2 = A1;
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*a3 = A4;
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*a4 = A3;
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*a5 = A6;
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*a6 = A5;
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*a7 = A8;
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*a8 = A7;
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} else
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if (b2 != a2) {
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*a2 = B2;
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*b2 = A2;
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*a4 = B4;
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*b4 = A4;
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*a6 = B6;
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*b6 = A6;
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*a8 = B8;
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*b8 = A8;
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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 = A2;
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*a2 = A1;
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*a3 = A4;
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*a4 = A3;
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*a5 = A6;
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*a6 = A5;
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*a7 = A8;
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*a8 = A7;
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} else {
|
|
*a1 = A2;
|
|
*a2 = B2;
|
|
*b2 = A1;
|
|
*a3 = A4;
|
|
*a4 = B4;
|
|
*b4 = A3;
|
|
*a5 = A6;
|
|
*a6 = B6;
|
|
*b6 = A5;
|
|
*a7 = A8;
|
|
*a8 = B8;
|
|
*b8 = A7;
|
|
}
|
|
}
|
|
} else {
|
|
if (b2 == a1) {
|
|
*a1 = A2;
|
|
*a2 = B1;
|
|
*b1 = A1;
|
|
*a3 = A4;
|
|
*a4 = B3;
|
|
*b3 = A3;
|
|
*a5 = A6;
|
|
*a6 = B5;
|
|
*b5 = A5;
|
|
*a7 = A8;
|
|
*a8 = B7;
|
|
*b7 = A7;
|
|
} else
|
|
if (b2 == a2) {
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
*a3 = B3;
|
|
*b3 = A3;
|
|
*a5 = B5;
|
|
*b5 = A5;
|
|
*a7 = B7;
|
|
*b7 = A7;
|
|
} else
|
|
if (b2 == b1) {
|
|
*a1 = B1;
|
|
*a2 = A1;
|
|
*b1 = A2;
|
|
*a3 = B3;
|
|
*a4 = A3;
|
|
*b3 = A4;
|
|
*a5 = B5;
|
|
*a6 = A5;
|
|
*b5 = A6;
|
|
*a7 = B7;
|
|
*a8 = A7;
|
|
*b7 = A8;
|
|
} else {
|
|
*a1 = B1;
|
|
*a2 = B2;
|
|
*b1 = A1;
|
|
*b2 = A2;
|
|
*a3 = B3;
|
|
*a4 = B4;
|
|
*b3 = A3;
|
|
*b4 = A4;
|
|
*a5 = B5;
|
|
*a6 = B6;
|
|
*b5 = A5;
|
|
*b6 = A6;
|
|
*a7 = B7;
|
|
*a8 = B8;
|
|
*b7 = A7;
|
|
*b8 = A8;
|
|
}
|
|
}
|
|
|
|
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 += 2;
|
|
a3 += 2;
|
|
a5 += 2;
|
|
a7 += 2;
|
|
#else
|
|
a1 -= 2;
|
|
a3 -= 2;
|
|
a5 -= 2;
|
|
a7 -= 2;
|
|
#endif
|
|
i --;
|
|
} while (i > 0);
|
|
}
|
|
|
|
i = ((k2 - k1) & 1);
|
|
|
|
if (i > 0) {
|
|
A1 = *a1;
|
|
B1 = *b1;
|
|
A3 = *a3;
|
|
B3 = *b3;
|
|
A5 = *a5;
|
|
B5 = *b5;
|
|
A7 = *a7;
|
|
B7 = *b7;
|
|
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
*a3 = B3;
|
|
*b3 = A3;
|
|
*a5 = B5;
|
|
*b5 = A5;
|
|
*a7 = B7;
|
|
*b7 = A7;
|
|
}
|
|
|
|
a += 4 * lda;
|
|
}
|
|
|
|
if (n & 2) {
|
|
piv = ipiv;
|
|
|
|
#ifndef MINUS
|
|
a1 = a + k1 + 1;
|
|
#else
|
|
a1 = a + k2;
|
|
#endif
|
|
|
|
a3 = a1 + 1 * lda;
|
|
|
|
ip1 = *piv;
|
|
piv += incx;
|
|
ip2 = *piv;
|
|
piv += incx;
|
|
|
|
b1 = a + ip1;
|
|
b2 = a + ip2;
|
|
|
|
b3 = b1 + 1 * lda;
|
|
b4 = b2 + 1 * lda;
|
|
|
|
i = ((k2 - k1) >> 1);
|
|
|
|
if (i > 0) {
|
|
do {
|
|
A1 = *a1;
|
|
A2 = *a2;
|
|
A3 = *a3;
|
|
A4 = *a4;
|
|
|
|
B1 = *b1;
|
|
B2 = *b2;
|
|
B3 = *b3;
|
|
B4 = *b4;
|
|
|
|
ip1 = *piv;
|
|
piv += incx;
|
|
ip2 = *piv;
|
|
piv += incx;
|
|
|
|
if (b1 == a1) {
|
|
if (b2 == a1) {
|
|
*a1 = A2;
|
|
*a2 = A1;
|
|
*a3 = A4;
|
|
*a4 = A3;
|
|
} else
|
|
if (b2 != a2) {
|
|
*a2 = B2;
|
|
*b2 = A2;
|
|
*a4 = B4;
|
|
*b4 = A4;
|
|
}
|
|
} else
|
|
if (b1 == a2) {
|
|
if (b2 != a1) {
|
|
if (b2 == a2) {
|
|
*a1 = A2;
|
|
*a2 = A1;
|
|
*a3 = A4;
|
|
*a4 = A3;
|
|
} else {
|
|
*a1 = A2;
|
|
*a2 = B2;
|
|
*b2 = A1;
|
|
*a3 = A4;
|
|
*a4 = B4;
|
|
*b4 = A3;
|
|
}
|
|
}
|
|
} else {
|
|
if (b2 == a1) {
|
|
*a1 = A2;
|
|
*a2 = B1;
|
|
*b1 = A1;
|
|
*a3 = A4;
|
|
*a4 = B3;
|
|
*b3 = A3;
|
|
} else
|
|
if (b2 == a2) {
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
*a3 = B3;
|
|
*b3 = A3;
|
|
} else
|
|
if (b2 == b1) {
|
|
*a1 = B1;
|
|
*a2 = A1;
|
|
*b1 = A2;
|
|
*a3 = B3;
|
|
*a4 = A3;
|
|
*b3 = A4;
|
|
} else {
|
|
*a1 = B1;
|
|
*a2 = B2;
|
|
*b1 = A1;
|
|
*b2 = A2;
|
|
*a3 = B3;
|
|
*a4 = B4;
|
|
*b3 = A3;
|
|
*b4 = A4;
|
|
}
|
|
}
|
|
|
|
b1 = a + ip1;
|
|
b2 = a + ip2;
|
|
|
|
b3 = b1 + 1 * lda;
|
|
b4 = b2 + 1 * lda;
|
|
|
|
#ifndef MINUS
|
|
a1 += 2;
|
|
a3 += 2;
|
|
#else
|
|
a1 -= 2;
|
|
a3 -= 2;
|
|
#endif
|
|
i --;
|
|
} while (i > 0);
|
|
}
|
|
|
|
i = ((k2 - k1) & 1);
|
|
|
|
if (i > 0) {
|
|
A1 = *a1;
|
|
B1 = *b1;
|
|
A3 = *a3;
|
|
B3 = *b3;
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
*a3 = B3;
|
|
*b3 = A3;
|
|
}
|
|
|
|
a += 2 * lda;
|
|
}
|
|
|
|
if (n & 1) {
|
|
piv = ipiv;
|
|
|
|
#ifndef MINUS
|
|
a1 = a + k1 + 1;
|
|
#else
|
|
a1 = a + k2;
|
|
#endif
|
|
|
|
ip1 = *piv;
|
|
piv += incx;
|
|
ip2 = *piv;
|
|
piv += incx;
|
|
|
|
b1 = a + ip1;
|
|
b2 = a + ip2;
|
|
|
|
i = ((k2 - k1) >> 1);
|
|
|
|
if (i > 0) {
|
|
do {
|
|
A1 = *a1;
|
|
A2 = *a2;
|
|
B1 = *b1;
|
|
B2 = *b2;
|
|
|
|
ip1 = *piv;
|
|
piv += incx;
|
|
ip2 = *piv;
|
|
piv += incx;
|
|
|
|
if (b1 == a1) {
|
|
if (b2 == a1) {
|
|
*a1 = A2;
|
|
*a2 = A1;
|
|
} else
|
|
if (b2 != a2) {
|
|
*a2 = B2;
|
|
*b2 = A2;
|
|
}
|
|
} else
|
|
if (b1 == a2) {
|
|
if (b2 != a1) {
|
|
if (b2 == a2) {
|
|
*a1 = A2;
|
|
*a2 = A1;
|
|
} else {
|
|
*a1 = A2;
|
|
*a2 = B2;
|
|
*b2 = A1;
|
|
}
|
|
}
|
|
} else {
|
|
if (b2 == a1) {
|
|
*a1 = A2;
|
|
*a2 = B1;
|
|
*b1 = A1;
|
|
} else
|
|
if (b2 == a2) {
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
} else
|
|
if (b2 == b1) {
|
|
*a1 = B1;
|
|
*a2 = A1;
|
|
*b1 = A2;
|
|
} else {
|
|
*a1 = B1;
|
|
*a2 = B2;
|
|
*b1 = A1;
|
|
*b2 = A2;
|
|
}
|
|
}
|
|
|
|
b1 = a + ip1;
|
|
b2 = a + ip2;
|
|
|
|
#ifndef MINUS
|
|
a1 += 2;
|
|
#else
|
|
a1 -= 2;
|
|
#endif
|
|
i --;
|
|
} while (i > 0);
|
|
}
|
|
|
|
i = ((k2 - k1) & 1);
|
|
|
|
if (i > 0) {
|
|
A1 = *a1;
|
|
B1 = *b1;
|
|
*a1 = B1;
|
|
*b1 = A1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|