Fixed compilation problems on Windows

plugins/amoeba/platforms/cuda/src/AmoebaCudaKernelFactory.cpp

@@ -33,7 +33,7 @@
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT void registerPlatforms() {
 }
 
 extern "C" OPENMM_EXPORT void registerKernelFactories() {

plugins/cpupme/src/CpuPmeKernelFactory.cpp

@@ -32,10 +32,10 @@
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT_PME void registerPlatforms() {
 }
 
-extern "C" void registerKernelFactories() {
+extern "C" OPENMM_EXPORT_PME void registerKernelFactories() {
     if (CpuCalcPmeReciprocalForceKernel::isProcessorSupported()) {
         CpuPmeKernelFactory* factory = new CpuPmeKernelFactory();
         for (int i = 0; i < Platform::getNumPlatforms(); i++)

plugins/cpupme/src/CpuPmeKernels.cpp

@@ -119,8 +119,9 @@ static void spreadCharge(int start, int end, float* posq, float* grid, int gridx
     for (int i = start; i < end; i++) {
         // Find the position relative to the nearest grid point.
         
-        __m128 pos = _mm_load_ps(&posq[4*i]);
-        __m128 posInBox = _mm_sub_ps(pos, _mm_mul_ps(boxSize, _mm_floor_ps(_mm_mul_ps(pos, invBoxSize))));
+        __m128 pos = _mm_loadu_ps(&posq[4*i]);
+        __m128 posFloor = _mm_floor_ps(_mm_mul_ps(pos, invBoxSize));
+        __m128 posInBox = _mm_sub_ps(pos, _mm_mul_ps(boxSize, posFloor));
         __m128 t = _mm_mul_ps(_mm_mul_ps(posInBox, invBoxSize), gridSize);
         __m128i ti = _mm_cvttps_epi32(t);
         __m128 dr = _mm_sub_ps(t, _mm_cvtepi32_ps(ti));
@@ -309,8 +310,9 @@ static void interpolateForces(int start, int end, float* posq, float* force, flo
     for (int i = start; i < end; i++) {
         // Find the position relative to the nearest grid point.
         
-        __m128 pos = _mm_load_ps(&posq[4*i]);
-        __m128 posInBox = _mm_sub_ps(pos, _mm_mul_ps(boxSize, _mm_floor_ps(_mm_mul_ps(pos, invBoxSize))));
+        __m128 pos = _mm_loadu_ps(&posq[4*i]);
+        __m128 posFloor = _mm_floor_ps(_mm_mul_ps(pos, invBoxSize));
+        __m128 posInBox = _mm_sub_ps(pos, _mm_mul_ps(boxSize, posFloor));
         __m128 t = _mm_mul_ps(_mm_mul_ps(posInBox, invBoxSize), gridSize);
         __m128i ti = _mm_cvttps_epi32(t);
         __m128 dr = _mm_sub_ps(t, _mm_cvtepi32_ps(ti));

plugins/drude/platforms/cuda/src/CudaDrudeKernelFactory.cpp

@@ -34,10 +34,10 @@
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT void registerPlatforms() {
 }
 
-extern "C" void registerKernelFactories() {
+extern "C" OPENMM_EXPORT void registerKernelFactories() {
     try {
         Platform& platform = Platform::getPlatformByName("CUDA");
         CudaDrudeKernelFactory* factory = new CudaDrudeKernelFactory();

plugins/drude/platforms/opencl/src/OpenCLDrudeKernelFactory.cpp

@@ -34,10 +34,10 @@
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT void registerPlatforms() {
 }
 
-extern "C" void registerKernelFactories() {
+extern "C" OPENMM_EXPORT void registerKernelFactories() {
     try {
         Platform& platform = Platform::getPlatformByName("OpenCL");
         OpenCLDrudeKernelFactory* factory = new OpenCLDrudeKernelFactory();

plugins/rpmd/platforms/cuda/src/CudaRpmdKernelFactory.cpp

@@ -34,10 +34,10 @@
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT void registerPlatforms() {
 }
 
-extern "C" void registerKernelFactories() {
+extern "C" OPENMM_EXPORT void registerKernelFactories() {
     try {
         Platform& platform = Platform::getPlatformByName("CUDA");
         CudaRpmdKernelFactory* factory = new CudaRpmdKernelFactory();

plugins/rpmd/platforms/opencl/src/OpenCLRpmdKernelFactory.cpp

@@ -28,16 +28,16 @@
 
 #include "OpenCLRpmdKernelFactory.h"
 #include "OpenCLRpmdKernels.h"
-#include "openmm/internal/windowsExport.h"
+#include "openmm/internal/windowsExportRpmd.h"
 #include "openmm/internal/ContextImpl.h"
 #include "openmm/OpenMMException.h"
 
 using namespace OpenMM;
 
-extern "C" void registerPlatforms() {
+extern "C" OPENMM_EXPORT void registerPlatforms() {
 }
 
-extern "C" void registerKernelFactories() {
+extern "C" OPENMM_EXPORT void registerKernelFactories() {
     try {
         Platform& platform = Platform::getPlatformByName("OpenCL");
         OpenCLRpmdKernelFactory* factory = new OpenCLRpmdKernelFactory();