Fixed a potential segfault

aa970221 · peastman · c66766a8 · aa970221
Commit aa970221 authored Sep 03, 2014 by peastman
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platforms/cpu/src/CpuSETTLE.cpp platforms/cpu/src/CpuSETTLE.cpp +3 -1

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--- a/platforms/cpu/src/CpuSETTLE.cpp
+++ b/platforms/cpu/src/CpuSETTLE.cpp
@@ -59,7 +59,9 @@ public:
            inverseMasses(inverseMasses), tolerance(tolerance), threadSettle(threadSettle) {
    }
    void execute(ThreadPool& threads, int threadIndex) {
-        threadSettle[threadIndex]->applyToVelocities(atomCoordinates, velocities, inverseMasses, tolerance);
+        if (threadIndex < threadSettle.size()) {
+            threadSettle[threadIndex]->applyToVelocities(atomCoordinates, velocities, inverseMasses, tolerance);
+        }
    }
    vector<OpenMM::RealVec>& atomCoordinates;
    vector<OpenMM::RealVec>& velocities;