Add support for customIntegrator serialization and test

serialization/src/CustomIntegratorProxy.cpp

@@ -107,6 +107,12 @@ void* CustomIntegratorProxy::deserialize(const SerializationNode& node) const {
             integrator->addConstrainVelocities();
         } else if(computationType == CustomIntegrator::UpdateContextState) {
             integrator->addUpdateContextState();
+        } else if(computationType == CustomIntegrator::IfBlockStart) {
+            integrator->beginIfBlock(cit->getStringProperty("computationExpression"));
+        } else if(computationType == CustomIntegrator::WhileBlockStart) {
+                  integrator->beginWhileBlock(cit->getStringProperty("computationExpression"));
+        } else if(computationType == CustomIntegrator::BlockEnd) {
+                  integrator->endBlock();
         } else {
             throw(OpenMMException("Custom Integrator Deserialization: Unknown computation type"));
         }

serialization/tests/TestSerializeIntegrator.cpp

@@ -137,12 +137,20 @@ void testSerializeCustomIntegrator() {
     intg->addGlobalVariable("oute", 0);
     intg->addGlobalVariable("oute1", 0);
     intg->addGlobalVariable("oute2", 0);
+    intg->addGlobalVariable("conditional_v1", 0);
+    intg->addGlobalVariable("conditional_v2", 0);
     intg->addComputePerDof("outf", "f");
     intg->addComputePerDof("outf1", "f1");
     intg->addComputePerDof("outf2", "f2");
     intg->addComputeGlobal("oute", "energy");
     intg->addComputeGlobal("oute1", "energy1");
     intg->addComputeGlobal("oute2", "energy2");
+    intg->beginIfBlock("1 > 0");
+    intg->addComputeGlobal("conditional_v1", "1");
+    intg->endBlock();
+    intg->beginWhileBlock("0 > 1");
+    intg->addComputeGlobal("conditional_v2", "1");
+    intg->endBlock();
     intg->addUpdateContextState();
     intg->addConstrainVelocities();
     intg->addComputeSum("summand2", "v*v+f*f");
@@ -224,5 +232,3 @@ int main() {
     }
     return 0;
 }
-
-