From 3f8ab3da1cbca9ab821dfa8608bfb7389b99739f Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 9 Sep 2014 10:38:56 +0200
Subject: pattern_sim: Fix handling of centric reflections

---
 src/diffraction.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'src/diffraction.c')

diff --git a/src/diffraction.c b/src/diffraction.c
index 6383a8b4..8a50e115 100644
--- a/src/diffraction.c
+++ b/src/diffraction.c
@@ -146,25 +146,23 @@ static double sym_lookup_phase(const double *phases,
                                signed int h, signed int k, signed int l)
 {
 	int i;
-	double ret = 0.0;
 
 	for ( i=0; i<num_equivs(sym, NULL); i++ ) {
 
 		signed int he;
 		signed int ke;
 		signed int le;
-		double f, val;
+		double f;
 
 		get_equiv(sym, NULL, i, h, k, l, &he, &ke, &le);
 
 		f = (double)lookup_arr_flag(flags, he, ke, le);
-		val = lookup_arr_phase(phases, he, ke, le);
 
-		ret += f*val;
+		if ( f ) return lookup_arr_phase(phases, he, ke, le);
 
 	}
 
-	return ret;
+	return 0.0;
 }
 
 
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