Updated CPU branch

cpu/Extras.cpp

@@ -0,0 +1,28 @@
+// Basic cuda functions callable from C/C++ code
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+extern "C" void dvc_AllocateDeviceMemory(void** address, size_t size){
+	//cudaMalloc(address,size);
+	(*address) = malloc(size);
+	
+	if (*address==NULL){
+		printf("Memory allocation failed! \n");
+	}
+}
+
+extern "C" void dvc_CopyToDevice(void* dest, void* source, size_t size){
+//	cudaMemcpy(dest,source,size,cudaMemcpyHostToDevice);
+	memcpy(dest, source, size);
+}
+
+
+extern "C" void dvc_CopyToHost(void* dest, void* source, size_t size){
+//	cudaMemcpy(dest,source,size,cudaMemcpyDeviceToHost);
+	memcpy(dest, source, size);
+}
+
+extern "C" void dvc_Barrier(){
+//	cudaDeviceSynchronize();
+}