From 9ed2a4441f1cecc9b86abdd0162e6ac78e70ca40 Mon Sep 17 00:00:00 2001
From: Pedro Gonnet <pedro.gonnet@durham.ac.uk>
Date: Fri, 23 Aug 2013 09:58:54 +0000
Subject: [PATCH] add check for unsymmetric weights.
Former-commit-id: 186f3da57f8948e0784ae1686f19f1a2bb34e14e
---
src/engine.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/engine.c b/src/engine.c
index 36b0e481f3..6c07f784f0 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -100,7 +100,7 @@ void engine_repartition ( struct engine *e ) {
float sid_scale[13] = { 0.1897 , 0.4025 , 0.1897 , 0.4025 , 0.5788 , 0.4025 ,
0.1897 , 0.4025 , 0.1897 , 0.4025 , 0.5788 , 0.4025 ,
0.5788 };
- float wscale = 0.001;
+ float wscale = 0.0001;
/* Clear the repartition flag. */
e->forcerepart = 0;
@@ -226,6 +226,15 @@ void engine_repartition ( struct engine *e ) {
/* As of here, only one node needs to compute the partition. */
if ( nodeID == 0 ) {
+ /* Check that the edge weights are fully symmetric. */
+ for ( cid = 0 ; cid < nr_cells ; cid++ )
+ for ( k = 0 ; k < 26 ; k++ ) {
+ cjd = inds[ cid*26 + k ];
+ for ( j = 26*cjd ; inds[j] != cid ; j++ );
+ if ( weights_e[ cid*26+k ] != weights_e[ j ] )
+ error( "Unsymmetric edge weights detected (%i vs %i)." , weights_e[ cid*26+k ] , weights_e[ j ] );
+ }
+
/* Allocate and fill the connection array. */
idx_t *offsets;
if ( ( offsets = (idx_t *)malloc( sizeof(idx_t) * (nr_cells + 1) ) ) == NULL )
--
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