From a2637fde88a99e222c98a15ed214f673a083821d Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 6 Mar 2014 17:55:58 +0100
Subject: Don't break if there are no reflections in the list

---
 src/ambigator.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/ambigator.c b/src/ambigator.c
index fe295cf7..018ed186 100644
--- a/src/ambigator.c
+++ b/src/ambigator.c
@@ -245,6 +245,11 @@ static float corr(struct flist *a, struct flist *b, int *pn, int a_reidx)
 		ia = a->i;
 	}
 
+	if ( (a->n == 0) || (b->n == 0) ) {
+		*pn = 0;
+		return 0.0;
+	}
+
 	while ( 1 ) {
 
 		while ( sa[ap] > b->s[bp] ) {
-- 
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