R11986/cuda_memory.cu
83f2d81854eftest_is_and_use_device_…

cuda_memory.cu
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			#include <stdio.h>
			#include <cuda.h>
			#include <cuda_runtime.h>
			extern "C" void allocate_cuda_memory(int n){
			double *a;
			int N=*n;
			//a = (float )malloc(n*sizeof(float));
			cudaMallocManaged( (void *)&a, sizeof(double) N );
			cudaDeviceSynchronize();
			return (void *) a;
			}

			extern "C" void deallocate_cuda(double *a){
			cudaFree(a);
			}