From 95dc6b406ac63cc1a4393688f792fb567512105d Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 8 Dec 2009 21:16:46 +0100
Subject: Better rounding when Poisson noise is switched off

---
 src/detector.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/detector.c')

diff --git a/src/detector.c b/src/detector.c
index 5b12b007..3da5c643 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -202,8 +202,10 @@ void record_image(struct image *image, int do_water, int do_poisson,
 		if ( do_poisson ) {
 			counts = poisson_noise(intensity * ph_per_e * sa * DQE);
 		} else {
+			double rounded;
 			cf = intensity * ph_per_e * sa * DQE;
-			counts = (int)cf;
+			rounded = rint(cf);
+			counts = (int)rounded;
 		}
 
 		image->hdr[x + image->width*y] = counts;
-- 
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