From 9aeb0085f887dc244af239ea7a52e6d42349ed9c Mon Sep 17 00:00:00 2001
From: rts <robbietuk@gmail.com>
Date: Wed, 31 Jul 2024 10:39:33 -0700
Subject: [PATCH] Prevent std::normal_distribution being called with sigma=0.0

 #1485
---
 src/include/stir/DetectorCoordinateMap.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/include/stir/DetectorCoordinateMap.h b/src/include/stir/DetectorCoordinateMap.h
index 5e427a40c..1278abc1c 100644
--- a/src/include/stir/DetectorCoordinateMap.h
+++ b/src/include/stir/DetectorCoordinateMap.h
@@ -123,6 +123,8 @@ class DetectorCoordinateMap
   explicit DetectorCoordinateMap(double sigma = 0.0)
       : sigma(sigma)
   {
+    if (sigma == 0.0)
+      return;
 #  ifdef STIR_OPENMP
     generators.resize(omp_get_max_threads());
     distributions.resize(omp_get_max_threads());