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Fix pivot index for negative increments
author
Martin Kroeker
<martin@ruby.chemie.uni-freiburg.de>
Sun, 16 Jan 2022 23:05:33 +0000
(
00:05
+0100)
committer
GitHub
<noreply@github.com>
Sun, 16 Jan 2022 23:05:33 +0000
(
00:05
+0100)
lapack/laswp/generic/laswp_k_1.c
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diff --git
a/lapack/laswp/generic/laswp_k_1.c
b/lapack/laswp/generic/laswp_k_1.c
index
88648cf
..
5568892
100644
(file)
--- a/
lapack/laswp/generic/laswp_k_1.c
+++ b/
lapack/laswp/generic/laswp_k_1.c
@@
-57,10
+57,9
@@
int CNAME(BLASLONG n, BLASLONG k1, BLASLONG k2, FLOAT dummy1, FLOAT *a, BLASLONG
a--;
k1 --;
-#ifndef MINUS
ipiv += k1;
-#
else
- ipiv -= (k2 - 1) * incx;
+#
ifdef MINUS
+ ipiv -= (k2 -
k1 -
1) * incx;
#endif
if (n <= 0) return 0;