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A simple macro for checking errors after CUDA library calls.
//Macro for checking cuda errors following a cuda launch or api call
#define cudaCheckError() { \
cudaError_t e=cudaGetLastError(); \
if(e!=cudaSuccess) { \
printf("Cuda failure %s:%d: '%s'\n",__FILE__,__LINE__,cudaGetErrorString(e)); \
exit(0); \
} \
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