Merge pull request #2248 from peastman/customgbtable

Fixed error using tabulated functions with a CustomGBForce

platforms/cuda/src/CudaKernels.cpp

@@ -4100,6 +4100,8 @@ double CudaCalcCustomGBForceKernel::execute(ContextImpl& context, bool includeFo
                     for (auto& buffer : d->getBuffers())
                         gradientChainRuleArgs.push_back(&buffer.getMemory());
             }
+            for (auto& function : tabulatedFunctions)
+                gradientChainRuleArgs.push_back(&function.getDevicePointer());
         }
     }
     if (globals.isInitialized()) {

platforms/opencl/src/OpenCLKernels.cpp

@@ -4365,6 +4365,8 @@ double OpenCLCalcCustomGBForceKernel::execute(ContextImpl& context, bool include
                     for (auto& buffer : d->getBuffers())
                         gradientChainRuleKernel.setArg<cl::Memory>(index++, buffer.getMemory());
             }
+            for (auto& function : tabulatedFunctions)
+                gradientChainRuleKernel.setArg<cl::Buffer>(index++, function.getDeviceBuffer());
         }
     }
     if (globals.isInitialized()) {