Inverse mass was initialized incorrectly

d2fbd46b · Peter Eastman · 84b5dc78 · d2fbd46b
Commit d2fbd46b authored Mar 14, 2012 by Peter Eastman
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platforms/reference/src/SimTKReference/ReferenceBrownianDynamics.cpp ...eference/src/SimTKReference/ReferenceBrownianDynamics.cpp +1 -1

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--- a/platforms/reference/src/SimTKReference/ReferenceBrownianDynamics.cpp
+++ b/platforms/reference/src/SimTKReference/ReferenceBrownianDynamics.cpp
@@ -144,7 +144,7 @@ void ReferenceBrownianDynamics::update(const OpenMM::System& system, vector<Real

      for( int ii = 0; ii < numberOfAtoms; ii++ ){
         if (masses[ii] == zero)
-             inverseMasses[ii] == zero;
+             inverseMasses[ii] = zero;
         else
             inverseMasses[ii] = one/masses[ii];
      }