From fc99951c6443e0e23849d36cba8bcf5c1a3121f8 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Thu, 18 Nov 2010 22:13:44 +0100
Subject: pattern_sim: Update --help

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

(limited to 'src/pattern_sim.c')

diff --git a/src/pattern_sim.c b/src/pattern_sim.c
index 3deaa742..75755020 100644
--- a/src/pattern_sim.c
+++ b/src/pattern_sim.c
@@ -48,6 +48,8 @@ static void show_help(const char *s)
 "                            intensities file)\n"
 "     --simulation-details  Show technical details of the simulation.\n"
 "     --gpu                 Use the GPU to speed up the calculation.\n"
+"     --gpu-dev=<n>         Use GPU device <n>.  Omit this option to see the\n"
+"                            available devices.\n"
 " -g, --geometry=<file>     Get detector geometry from file.\n"
 " -b, --beam=<file>         Get beam parameters from file.\n"
 "\n"
-- 
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