Fixed some compilation warnings

platforms/opencl/src/OpenCLIntegrationUtilities.cpp

@@ -85,7 +85,7 @@ struct OpenCLIntegrationUtilities::ConstraintOrderer : public binary_function<in
 
 OpenCLIntegrationUtilities::OpenCLIntegrationUtilities(OpenCLContext& context, const System& system) : context(context),
         posDelta(NULL), settleAtoms(NULL), settleParams(NULL), shakeAtoms(NULL), shakeParams(NULL),
-        random(NULL), randomSeed(NULL), randomPos(NULL), stepSize(NULL), ccmaAtoms(NULL), ccmaDistance(NULL),
+        random(NULL), randomSeed(NULL), randomPos(0), stepSize(NULL), ccmaAtoms(NULL), ccmaDistance(NULL),
         ccmaReducedMass(NULL), ccmaAtomConstraints(NULL), ccmaNumAtomConstraints(NULL), ccmaConstraintMatrixColumn(NULL),
         ccmaConstraintMatrixValue(NULL), ccmaDelta1(NULL), ccmaDelta2(NULL), ccmaConverged(NULL),
         hasInitializedConstraintKernels(false) {

platforms/reference/src/ReferencePlatform.cpp

@@ -99,6 +99,7 @@ ReferencePlatform::PlatformData::~PlatformData() {
     RealOpenMM** positions = (RealOpenMM**) this->positions;
     RealOpenMM** velocities = (RealOpenMM**) this->velocities;
     RealOpenMM** forces = (RealOpenMM**) this->forces;
+    RealOpenMM* periodicBoxSize = (RealOpenMM*) this->periodicBoxSize;
     for (int i = 0; i < numParticles; ++i) {
         delete[] positions[i];
         delete[] velocities[i];

platforms/reference/src/SimTKReference/ReferenceMonteCarloBarostat.cpp

@@ -88,9 +88,9 @@ void ReferenceMonteCarloBarostat::applyBarostat(RealOpenMM** atomPositions, Real
         int xcell = (int) floor(pos[0]/boxSize[0]);
         int ycell = (int) floor(pos[1]/boxSize[1]);
         int zcell = (int) floor(pos[2]/boxSize[2]);
-        float dx = xcell*boxSize[0];
-        float dy = ycell*boxSize[1];
-        float dz = zcell*boxSize[2];
+        RealOpenMM dx = xcell*boxSize[0];
+        RealOpenMM dy = ycell*boxSize[1];
+        RealOpenMM dz = zcell*boxSize[2];
         pos[0] -= dx;
         pos[1] -= dy;
         pos[2] -= dz;