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guix/gnu/packages/patches/superlu-dist-scotchmetis.patch

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The METIS interface from Scotch may segfault if passed NULL to indicate a
default parameter, so use the older calling style.
--- a/SRC/get_perm_c.c 2014-05-16 23:38:30.070835316 -0500
+++ b/SRC/get_perm_c.c 2014-05-16 23:39:04.582836211 -0500
@@ -70,11 +70,13 @@
#else
/* Earlier version 3.x.x */
- /* METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
- perm, iperm);*/
+ METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
+ perm, iperm);
/* Latest version 4.x.x */
+#if 0
METIS_NodeND(&nm, b_colptr, b_rowind, NULL, NULL, perm, iperm);
+#endif
/*check_perm_dist("metis perm", n, perm);*/
#endif