diff options
Diffstat (limited to 'Source/Particles/MultiParticleContainer.cpp')
| -rw-r--r-- | Source/Particles/MultiParticleContainer.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Source/Particles/MultiParticleContainer.cpp b/Source/Particles/MultiParticleContainer.cpp index 5158be996..907dcea15 100644 --- a/Source/Particles/MultiParticleContainer.cpp +++ b/Source/Particles/MultiParticleContainer.cpp @@ -130,8 +130,10 @@ MultiParticleContainer::ReadParameters () ParmParse pc("collisions"); pc.query("ncollisions", ncollisions); BL_ASSERT(ncollisions >= 0); - pc.getarr("collision_names", collision_names); - BL_ASSERT(collision_names.size() == ncollisions); + if (ncollisions > 0) { + pc.getarr("collision_names", collision_names); + BL_ASSERT(collision_names.size() == ncollisions); + } } |