From 3c21788dc0f08f42ab65c740f62b8cfc74ca7fe3 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 7 Oct 2011 16:31:28 +0200
Subject: Clamp divergence at zero

---
 src/post-refinement.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/post-refinement.c')

diff --git a/src/post-refinement.c b/src/post-refinement.c
index b96aba66..5a6ba4dc 100644
--- a/src/post-refinement.c
+++ b/src/post-refinement.c
@@ -217,6 +217,7 @@ static void apply_shift(struct image *image, int k, double shift)
 
 	case REF_DIV :
 		image->div += shift;
+		if ( image->div < 0.0 ) image->div = 0.0;
 		break;
 
 	case REF_R :
-- 
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