From 65d8b1ac000bba28ed3139a82adba6c80f29e34b Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 17 Jun 2011 15:51:54 +0200
Subject: Some more terms go to zero if a reference is available

---
 src/hrs-scaling.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/hrs-scaling.c')

diff --git a/src/hrs-scaling.c b/src/hrs-scaling.c
index 171cd305..8a7c2099 100644
--- a/src/hrs-scaling.c
+++ b/src/hrs-scaling.c
@@ -319,6 +319,8 @@ static double iterate_scale(struct image *images, int n,
 				mc = (rha*vhb + vha*rhb - vha*vhb) / uh;
 				if ( isnan(mc) ) mc = 0.0; /* 0 / 0 = 0 */
 
+				if ( reference != NULL ) mc = 0.0;
+
 				if ( a == b ) {
 					mc += pow(Ih, 2.0) * uha;
 				}
-- 
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