#include <iostream>

using namespace std;

int main(void)
{
  void* ptr = NULL;
  float* f = new float[1]; 
  cudaMalloc(&ptr, sizeof(float)*1);
  int r = cudaMemcpy(ptr, f, sizeof(float) * 1, cudaMemcpyHostToDevice);
  cout << r << endl;
  cout << cudaSuccess << endl;
  cout << cudaErrorInvalidValue << endl;
  cout << cudaErrorInvalidDevicePointer << endl;
  cout << cudaErrorInvalidMemcpyDirection << endl;
}