Added missing return values

plugins/amoeba/openmmapi/src/AmoebaGeneralizedKirkwoodForceImpl.cpp

@@ -55,6 +55,7 @@ void AmoebaGeneralizedKirkwoodForceImpl::initialize(ContextImpl& context) {
 double AmoebaGeneralizedKirkwoodForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaGeneralizedKirkwoodForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaGeneralizedKirkwoodForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaHarmonicAngleForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaHarmonicAngleForceImpl::initialize(ContextImpl& context) {
 double AmoebaHarmonicAngleForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaHarmonicAngleForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaHarmonicAngleForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaHarmonicBondForceImpl.cpp

@@ -54,6 +54,7 @@ void AmoebaHarmonicBondForceImpl::initialize(ContextImpl& context) {
 double AmoebaHarmonicBondForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaHarmonicBondForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaHarmonicBondForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaHarmonicInPlaneAngleForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaHarmonicInPlaneAngleForceImpl::initialize(ContextImpl& context) {
 double AmoebaHarmonicInPlaneAngleForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaHarmonicInPlaneAngleForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaHarmonicInPlaneAngleForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaMultipoleForceImpl.cpp

@@ -84,6 +84,7 @@ void AmoebaMultipoleForceImpl::initialize(ContextImpl& context) {
 double AmoebaMultipoleForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaMultipoleForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaMultipoleForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaOutOfPlaneBendForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaOutOfPlaneBendForceImpl::initialize(ContextImpl& context) {
 double AmoebaOutOfPlaneBendForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaOutOfPlaneBendForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaOutOfPlaneBendForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaPiTorsionForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaPiTorsionForceImpl::initialize(ContextImpl& context) {
 double AmoebaPiTorsionForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaPiTorsionForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaPiTorsionForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaStretchBendForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaStretchBendForceImpl::initialize(ContextImpl& context) {
 double AmoebaStretchBendForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaStretchBendForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaStretchBendForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaTorsionForceImpl.cpp

@@ -53,6 +53,7 @@ void AmoebaTorsionForceImpl::initialize(ContextImpl& context) {
 double AmoebaTorsionForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaTorsionForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaTorsionForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaTorsionTorsionForceImpl.cpp

@@ -54,6 +54,7 @@ void AmoebaTorsionTorsionForceImpl::initialize(ContextImpl& context) {
 double AmoebaTorsionTorsionForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaTorsionTorsionForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 struct IntPair {

plugins/amoeba/openmmapi/src/AmoebaUreyBradleyForceImpl.cpp

@@ -54,6 +54,7 @@ void AmoebaUreyBradleyForceImpl::initialize(ContextImpl& context) {
 double AmoebaUreyBradleyForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaUreyBradleyForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaUreyBradleyForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaVdwForceImpl.cpp

@@ -58,6 +58,7 @@ void AmoebaVdwForceImpl::initialize(ContextImpl& context) {
 double AmoebaVdwForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaVdwForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> AmoebaVdwForceImpl::getKernelNames() {

plugins/amoeba/openmmapi/src/AmoebaWcaDispersionForceImpl.cpp

@@ -59,6 +59,7 @@ void AmoebaWcaDispersionForceImpl::initialize(ContextImpl& context) {
 double AmoebaWcaDispersionForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcAmoebaWcaDispersionForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 void AmoebaWcaDispersionForceImpl::getMaximumDispersionEnergy( const AmoebaWcaDispersionForce& force, int particleIndex, double& maxDispersionEnergy ) {
 

plugins/freeEnergy/openmmapi/src/GBSAOBCSoftcoreForceImpl.cpp

@@ -51,6 +51,7 @@ void GBSAOBCSoftcoreForceImpl::initialize(ContextImpl& context) {
 double GBSAOBCSoftcoreForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcGBSAOBCSoftcoreForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> GBSAOBCSoftcoreForceImpl::getKernelNames() {

plugins/freeEnergy/openmmapi/src/GBVISoftcoreForceImpl.cpp

@@ -264,6 +264,7 @@ void GBVISoftcoreForceImpl::findScaledRadii( int numberOfParticles, const std::v
 double GBVISoftcoreForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcGBVISoftcoreForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> GBVISoftcoreForceImpl::getKernelNames() {

plugins/freeEnergy/openmmapi/src/NonbondedSoftcoreForceImpl.cpp

@@ -90,6 +90,7 @@ void NonbondedSoftcoreForceImpl::initialize(ContextImpl& context) {
 double NonbondedSoftcoreForceImpl::calcForcesAndEnergy(ContextImpl& context, bool includeForces, bool includeEnergy, int groups) {
     if ((groups&(1<<owner.getForceGroup())) != 0)
         return dynamic_cast<CalcNonbondedSoftcoreForceKernel&>(kernel.getImpl()).execute(context, includeForces, includeEnergy);
+    return 0.0;
 }
 
 std::vector<std::string> NonbondedSoftcoreForceImpl::getKernelNames() {