Simplification to reference platform tests

platforms/reference/tests/TestReferenceAndersenThermostat.cpp

@@ -48,12 +48,13 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 void testTemperature() {
     const int numParticles = 8;
     const double temp = 100.0;
     const double collisionFreq = 10.0;
     const int numSteps = 5000;
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.003);
     NonbondedForce* forceField = new NonbondedForce();
@@ -94,7 +95,6 @@ void testConstraints() {
     const double temp = 100.0;
     const double collisionFreq = 10.0;
     const int numSteps = 15000;
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.004);
     NonbondedForce* forceField = new NonbondedForce();
@@ -147,7 +147,6 @@ void testRandomSeed() {
     const int numParticles = 8;
     const double temp = 100.0;
     const double collisionFreq = 10.0;
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.01);
     NonbondedForce* forceField = new NonbondedForce();

platforms/reference/tests/TestReferenceBrownianIntegrator.cpp

@@ -48,10 +48,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testSingleBond() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     system.addParticle(2.0);
@@ -88,7 +89,6 @@ void testTemperature() {
     const int numParticles = 8;
     const int numBonds = numParticles-1;
     const double temp = 10.0;
-    ReferencePlatform platform;
     System system;
     BrownianIntegrator integrator(temp, 2.0, 0.01);
     HarmonicBondForce* forceField = new HarmonicBondForce();
@@ -125,7 +125,6 @@ void testTemperature() {
 void testConstraints() {
     const int numParticles = 8;
     const double temp = 100.0;
-    ReferencePlatform platform;
     System system;
     BrownianIntegrator integrator(temp, 2.0, 0.001);
     integrator.setConstraintTolerance(1e-5);
@@ -165,7 +164,6 @@ void testConstraints() {
 }
 
 void testConstrainedMasslessParticles() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(0.0);
     system.addParticle(1.0);
@@ -200,7 +198,6 @@ void testRandomSeed() {
     const int numParticles = 8;
     const double temp = 100.0;
     const double collisionFreq = 10.0;
-    ReferencePlatform platform;
     System system;
     BrownianIntegrator integrator(temp, 2.0, 0.001);
     NonbondedForce* forceField = new NonbondedForce();

platforms/reference/tests/TestReferenceCMMotionRemover.cpp

@@ -49,6 +49,8 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 Vec3 calcCM(const vector<Vec3>& values, System& system) {
     Vec3 cm;
     for (int j = 0; j < system.getNumParticles(); ++j) {
@@ -63,7 +65,6 @@ void testMotionRemoval() {
     const int numParticles = 8;
     const double temp = 100.0;
     const double collisionFreq = 10.0;
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.01);
     HarmonicBondForce* bonds = new HarmonicBondForce();

platforms/reference/tests/TestReferenceCheckpoints.cpp

@@ -48,6 +48,8 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void compareStates(State& s1, State& s2) {
@@ -71,7 +73,6 @@ void testCheckpoint() {
     const int numParticles = 10;
     const double boxSize = 3.0;
     const double temperature = 200.0;
-    ReferencePlatform platform;
     System system;
     system.addForce(new AndersenThermostat(0.0, 100.0));
     NonbondedForce* nonbonded = new NonbondedForce();
@@ -125,7 +126,6 @@ void testSetState() {
     const int numParticles = 10;
     const double boxSize = 3.0;
     const double temperature = 200.0;
-    ReferencePlatform platform;
     System system;
     system.addForce(new AndersenThermostat(0.0, 100.0));
     NonbondedForce* nonbonded = new NonbondedForce();

platforms/reference/tests/TestReferenceCustomAngleForce.cpp

@@ -47,11 +47,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testAngles() {
-    ReferencePlatform platform;
-
     // Create a system using a CustomAngleForce.
 
     System customSystem;

platforms/reference/tests/TestReferenceCustomBondForce.cpp

@@ -46,10 +46,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testBonds() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceCustomCompoundBondForce.cpp

@@ -52,11 +52,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testBond() {
-    ReferencePlatform platform;
-
     // Create a system using a CustomCompoundBondForce.
 
     System customSystem;
@@ -147,7 +147,6 @@ void testBond() {
 }
 
 void testPositionDependence() {
-    ReferencePlatform platform;
     System customSystem;
     customSystem.addParticle(1.0);
     customSystem.addParticle(1.0);
@@ -179,7 +178,6 @@ void testContinuous2DFunction() {
     const double xmax = 1.1;
     const double ymin = 0.0;
     const double ymax = 0.9;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     VerletIntegrator integrator(0.01);
@@ -227,7 +225,6 @@ void testContinuous3DFunction() {
     const double ymax = 0.9;
     const double zmin = 0.2;
     const double zmax = 1.3;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     VerletIntegrator integrator(0.01);
@@ -273,7 +270,6 @@ void testContinuous3DFunction() {
 
 void testMultipleBonds() {
     // Two compound bonds using Urey-Bradley example from API doc
-    ReferencePlatform platform;
     System customSystem;
     customSystem.addParticle(1.0);
     customSystem.addParticle(1.0);

platforms/reference/tests/TestReferenceCustomExternalForce.cpp

@@ -46,10 +46,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testForce() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceCustomGBForce.cpp

@@ -51,6 +51,8 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testOBC(GBSAOBCForce::NonbondedMethod obcMethod, CustomGBForce::NonbondedMethod customMethod) {
@@ -58,7 +60,6 @@ void testOBC(GBSAOBCForce::NonbondedMethod obcMethod, CustomGBForce::NonbondedMe
     const int numParticles = numMolecules*2;
     const double boxSize = 10.0;
     const double cutoff = 2.0;
-    ReferencePlatform platform;
 
     // Create two systems: one with a GBSAOBCForce, and one using a CustomGBForce to implement the same interaction.
 
@@ -190,7 +191,6 @@ void testMembrane() {
     const int numMolecules = 70;
     const int numParticles = numMolecules*2;
     const double boxSize = 10.0;
-    ReferencePlatform platform;
 
     // Create a system with an implicit membrane.
 
@@ -280,7 +280,6 @@ void testMembrane() {
 }
 
 void testTabulatedFunction() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -313,7 +312,6 @@ void testTabulatedFunction() {
 }
 
 void testMultipleChainRules() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -341,7 +339,6 @@ void testMultipleChainRules() {
 }
 
 void testPositionDependence() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -405,7 +402,6 @@ void testPositionDependence() {
 }
 
 void testExclusions() {
-    ReferencePlatform platform;
     for (int i = 3; i < 4; i++) {
         System system;
         system.addParticle(1.0);
@@ -817,7 +813,6 @@ void testGBVI(GBVIForce::NonbondedMethod gbviMethod, CustomGBForce::NonbondedMet
 
     const int numMolecules = 1;
     const double boxSize   = 10.0;
-    ReferencePlatform platform;
 
     GBVIForce*        gbvi = new GBVIForce();
     std::vector<Vec3> positions;

platforms/reference/tests/TestReferenceCustomHbondForce.cpp

@@ -49,11 +49,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testHbond() {
-    ReferencePlatform platform;
-
     // Create a system using a CustomHbondForce.
 
     System customSystem;
@@ -151,7 +151,6 @@ void testHbond() {
 }
 
 void testExclusions() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -178,7 +177,6 @@ void testExclusions() {
 }
 
 void testCutoff() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -206,7 +204,6 @@ void testCutoff() {
 }
 
 void testCustomFunctions() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceCustomIntegrator.cpp

@@ -49,13 +49,14 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 /**
  * Test a simple leapfrog integrator on a single bond.
  */
 void testSingleBond() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     system.addParticle(2.0);
@@ -101,7 +102,6 @@ void testSingleBond() {
 void testConstraints() {
     const int numParticles = 8;
     const double temp = 500.0;
-    ReferencePlatform platform;
     System system;
     CustomIntegrator integrator(0.002);
     integrator.addPerDofVariable("oldx", 0);
@@ -160,7 +160,6 @@ void testConstraints() {
  */
 void testVelocityConstraints() {
     const int numParticles = 10;
-    ReferencePlatform platform;
     System system;
     CustomIntegrator integrator(0.002);
     integrator.addPerDofVariable("x1", 0);
@@ -236,7 +235,6 @@ void testVelocityConstraints() {
 }
 
 void testConstrainedMasslessParticles() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(0.0);
     system.addParticle(1.0);
@@ -282,7 +280,6 @@ void testWithThermostat() {
     const double temp = 100.0;
     const double collisionFreq = 10.0;
     const int numSteps = 5000;
-    ReferencePlatform platform;
     System system;
     CustomIntegrator integrator(0.003);
     integrator.addUpdateContextState();
@@ -324,7 +321,6 @@ void testWithThermostat() {
  * Test a Monte Carlo integrator that uses global variables and depends on energy.
  */
 void testMonteCarlo() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -379,7 +375,6 @@ void testMonteCarlo() {
 void testSum() {
     const int numParticles = 200;
     const double boxSize = 10;
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(boxSize, 0, 0), Vec3(0, boxSize, 0), Vec3(0, 0, boxSize));
     NonbondedForce* nb = new NonbondedForce();
@@ -422,7 +417,6 @@ void testSum() {
  * Test an integrator that both uses and modifies a context parameter.
  */
 void testParameter() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     AndersenThermostat* thermostat = new AndersenThermostat(0.1, 0.1);
@@ -448,7 +442,6 @@ void testRandomDistributions() {
     const int numParticles = 100;
     const int numBins = 20;
     const int numSteps = 100;
-    ReferencePlatform platform;
     System system;
     for (int i = 0; i < numParticles; i++)
         system.addParticle(1.0);
@@ -516,7 +509,6 @@ void testRandomDistributions() {
 void testPerDofVariables() {
     const int numParticles = 200;
     const double boxSize = 10;
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(boxSize, 0, 0), Vec3(0, boxSize, 0), Vec3(0, 0, boxSize));
     NonbondedForce* nb = new NonbondedForce();
@@ -571,7 +563,6 @@ void testPerDofVariables() {
  * Test evaluating force groups separately.
  */
 void testForceGroups() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     system.addParticle(2.0);
@@ -647,7 +638,6 @@ void testForceGroups() {
  */
 void testRespa() {
     const int numParticles = 8;
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(4, 0, 0), Vec3(0, 4, 0), Vec3(0, 0, 4));
     CustomIntegrator integrator(0.002);

platforms/reference/tests/TestReferenceCustomManyParticleForce.cpp

@@ -51,6 +51,8 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 Vec3 computeDelta(const Vec3& pos1, const Vec3& pos2, bool periodic, const Vec3* periodicBoxVectors) {
@@ -93,7 +95,6 @@ void validateAxilrodTeller(CustomManyParticleForce* force, const vector<Vec3>& p
         ASSERT(!system.usesPeriodicBoundaryConditions());
     }
     VerletIntegrator integrator(0.001);
-    ReferencePlatform platform;
     Context context(system, integrator, platform);
     context.setPositions(positions);
     State state1 = context.getState(State::Forces | State::Energy);
@@ -155,7 +156,6 @@ void validateStillingerWeber(CustomManyParticleForce* force, const vector<Vec3>&
     system.setDefaultPeriodicBoxVectors(Vec3(boxSize, 0, 0), Vec3(0, boxSize, 0), Vec3(0, 0, boxSize));
     system.addForce(force);
     VerletIntegrator integrator(0.001);
-    ReferencePlatform platform;
     Context context(system, integrator, platform);
     context.setPositions(positions);
     State state1 = context.getState(State::Forces | State::Energy);
@@ -340,7 +340,6 @@ void testExclusions() {
 
 void testAllTerms() {
     int numParticles = 4;
-    ReferencePlatform platform;
     
     // Create a system with a CustomManyParticleForce.
     
@@ -424,7 +423,6 @@ void testParameters() {
     }
     system.addForce(force);
     VerletIntegrator integrator(0.001);
-    ReferencePlatform platform;
     Context context(system, integrator, platform);
     context.setPositions(positions);
     
@@ -510,7 +508,6 @@ void testTabulatedFunctions() {
     }
     system.addForce(force);
     VerletIntegrator integrator(0.001);
-    ReferencePlatform platform;
     Context context(system, integrator, platform);
     context.setPositions(positions);
     
@@ -562,7 +559,6 @@ void testTypeFilters() {
     force->setTypeFilter(2, f2);
     system.addForce(force);
     VerletIntegrator integrator(0.001);
-    ReferencePlatform platform;
     Context context(system, integrator, platform);
     context.setPositions(positions);
     

platforms/reference/tests/TestReferenceCustomNonbondedForce.cpp

@@ -53,10 +53,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testSimpleExpression() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -79,7 +80,6 @@ void testSimpleExpression() {
 }
 
 void testParameters() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -140,7 +140,6 @@ void testParameters() {
 }
 
 void testExclusions() {
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.01);
     CustomNonbondedForce* nonbonded = new CustomNonbondedForce("a*r; a=a1+a2");
@@ -171,7 +170,6 @@ void testExclusions() {
 }
 
 void testCutoff() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -201,7 +199,6 @@ void testCutoff() {
 }
 
 void testPeriodic() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -232,7 +229,6 @@ void testPeriodic() {
 }
 
 void testTriclinic() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -292,7 +288,6 @@ void testTriclinic() {
 }
 
 void testContinuous1DFunction() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -337,7 +332,6 @@ void testContinuous2DFunction() {
     const double xmax = 1.5;
     const double ymin = 0.0;
     const double ymax = 2.1;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -389,7 +383,6 @@ void testContinuous3DFunction() {
     const double ymax = 0.7;
     const double zmin = 0.2;
     const double zmax = 0.9;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -439,7 +432,6 @@ void testContinuous3DFunction() {
 }
 
 void testDiscrete1DFunction() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -469,7 +461,6 @@ void testDiscrete1DFunction() {
 void testDiscrete2DFunction() {
     const int xsize = 10;
     const int ysize = 5;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -503,7 +494,6 @@ void testDiscrete3DFunction() {
     const int xsize = 8;
     const int ysize = 5;
     const int zsize = 6;
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -540,7 +530,6 @@ void testCoulombLennardJones() {
     const int numMolecules = 300;
     const int numParticles = numMolecules*2;
     const double boxSize = 20.0;
-    ReferencePlatform platform;
 
     // Create two systems: one with a NonbondedForce, and one using a CustomNonbondedForce to implement the same interaction.
 
@@ -614,7 +603,6 @@ void testCoulombLennardJones() {
 }
 
 void testSwitchingFunction() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -673,7 +661,6 @@ void testLongRangeCorrection() {
     int numParticles = gridSize*gridSize*gridSize;
     double boxSize = gridSize*0.7;
     double cutoff = boxSize/3;
-    ReferencePlatform platform;
     System standardSystem;
     System customSystem;
     VerletIntegrator integrator1(0.01);
@@ -748,7 +735,6 @@ void testLongRangeCorrection() {
 
 void testInteractionGroups() {
     const int numParticles = 6;
-    ReferencePlatform platform;
     System system;
     VerletIntegrator integrator(0.01);
     CustomNonbondedForce* nonbonded = new CustomNonbondedForce("v1+v2");
@@ -790,7 +776,6 @@ void testLargeInteractionGroup() {
     
     // Create a large system.
     
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(boxSize, 0, 0), Vec3(0, boxSize, 0), Vec3(0, 0, boxSize));
     for (int i = 0; i < numParticles; i++)
@@ -868,7 +853,6 @@ void testInteractionGroupLongRangeCorrection() {
     const int numParticles = 10;
     const double boxSize = 10.0;
     const double cutoff = 0.5;
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(boxSize, 0, 0), Vec3(0, boxSize, 0), Vec3(0, 0, boxSize));
     CustomNonbondedForce* nonbonded = new CustomNonbondedForce("c1*c2*r^-4");

platforms/reference/tests/TestReferenceCustomTorsionForce.cpp

@@ -50,11 +50,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testTorsions() {
-    ReferencePlatform platform;
-
     // Create a system using a CustomTorsionForce.
 
     System customSystem;
@@ -141,7 +141,6 @@ void testTorsions() {
 }
 
 void testRange() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceEwald.cpp

@@ -48,6 +48,8 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double EWALD_TOL = 1e-5;
 const double PME_TOL = 5e-5;
 
@@ -59,9 +61,7 @@ void testEwaldExact() {
     const double cutoff = 1.0;
     const double boxSize = 2.82;
 
-    ReferencePlatform platform;
     System system;
-
     for (int i = 0; i < numParticles/2; i++)
         system.addParticle(22.99);
     for (int i = 0; i < numParticles/2; i++)
@@ -112,7 +112,6 @@ void testEwaldPME() {
 //      Use amorphous NaCl system
 //      The particles are simple charges, no VdW interactions
 
-    ReferencePlatform platform;
     System system;
     for (int i = 0; i < numParticles/2; i++)
         system.addParticle(22.99);
@@ -217,7 +216,6 @@ void testEwaldPME() {
 }
 
 void testEwald2Ions() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -244,7 +242,6 @@ void testEwald2Ions() {
 }
 
 void testWaterSystem() {
-    ReferencePlatform platform;
     System system;
     static int numParticles = 648;
     const double boxSize = 1.86206;
@@ -305,7 +302,6 @@ void testWaterSystem() {
 void testTriclinic() {
     // Create a triclinic box containing eight particles.
 
-    ReferencePlatform platform;
     System system;
     system.setDefaultPeriodicBoxVectors(Vec3(2.5, 0, 0), Vec3(0.5, 3.0, 0), Vec3(0.7, 0.9, 3.5));
     for (int i = 0; i < 8; i++)
@@ -373,7 +369,6 @@ void testErrorTolerance(NonbondedForce::NonbondedMethod method) {
         positions[i] = Vec3(boxWidth*genrand_real2(sfmt), boxWidth*genrand_real2(sfmt), boxWidth*genrand_real2(sfmt));
     }
     force->setNonbondedMethod(method);
-    ReferencePlatform platform;
 
     // For various values of the cutoff and error tolerance, see if the actual error is reasonable.
 
@@ -425,7 +420,6 @@ void testPMEParameters() {
         positions[i] = Vec3(boxWidth*genrand_real2(sfmt), boxWidth*genrand_real2(sfmt), boxWidth*genrand_real2(sfmt));
     }
     force->setNonbondedMethod(NonbondedForce::PME);
-    ReferencePlatform platform;
     
     // Compute the energy with an error tolerance of 1e-3.
 

platforms/reference/tests/TestReferenceGBSAOBCForce.cpp

@@ -48,10 +48,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testSingleParticle() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     LangevinIntegrator integrator(0, 0.1, 0.01);
@@ -85,7 +86,6 @@ void testSingleParticle() {
 }
 
 void testGlobalSettings() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     LangevinIntegrator integrator(0, 0.1, 0.01);
@@ -114,7 +114,6 @@ void testGlobalSettings() {
 }
 
 void testCutoffAndPeriodic() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);
@@ -183,7 +182,6 @@ void testCutoffAndPeriodic() {
 }
 
 void testForce() {
-    ReferencePlatform platform;
     const int numParticles = 10;
     System system;
     LangevinIntegrator integrator(0, 0.1, 0.01);

platforms/reference/tests/TestReferenceGBVIForce.cpp

@@ -50,10 +50,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testSingleParticle() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(2.0);
     LangevinIntegrator integrator(0, 0.1, 0.01);
@@ -89,8 +90,6 @@ void testSingleParticle() {
 }
 
 void testEnergyEthane(int applyBornRadiiScaling) {
-
-    ReferencePlatform platform;
     const int numParticles = 8;
     System system;
     LangevinIntegrator integrator(0, 0.1, 0.01);

platforms/reference/tests/TestReferenceHarmonicAngleForce.cpp

@@ -46,10 +46,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testAngles() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceHarmonicBondForce.cpp

@@ -46,10 +46,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testBonds() {
-    ReferencePlatform platform;
     System system;
     system.addParticle(1.0);
     system.addParticle(1.0);

platforms/reference/tests/TestReferenceKineticEnergy.cpp

@@ -44,10 +44,11 @@
 using namespace OpenMM;
 using namespace std;
 
+ReferencePlatform platform;
+
 const double TOL = 1e-5;
 
 void testCalcKE() {
-    ReferencePlatform platform;
     System system;
     for (int i = 0; i < 4; ++i)
         system.addParticle(i+1);