Spaces:
Running
Running
File size: 1,049 Bytes
28958dc |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 |
#pragma once
#ifdef __CUDACC__
#include <cuda.h>
#include <cuda_runtime.h>
#endif
#include <cstdio>
#include <cassert>
#include <limits>
#ifdef __CUDACC__
#define checkCuda(x) do { if((x)!=cudaSuccess) { \
printf("CUDA Runtime Error: %s at %s:%d\n",\
cudaGetErrorString(x),__FILE__,__LINE__);\
exit(1);}} while(0)
#endif
template <typename T>
DEVICE
inline T infinity() {
#ifdef __CUDA_ARCH__
const unsigned long long ieee754inf = 0x7ff0000000000000;
return __longlong_as_double(ieee754inf);
#else
return std::numeric_limits<T>::infinity();
#endif
}
template <>
DEVICE
inline double infinity() {
#ifdef __CUDA_ARCH__
return __longlong_as_double(0x7ff0000000000000ULL);
#else
return std::numeric_limits<double>::infinity();
#endif
}
template <>
DEVICE
inline float infinity() {
#ifdef __CUDA_ARCH__
return __int_as_float(0x7f800000);
#else
return std::numeric_limits<float>::infinity();
#endif
}
inline void cuda_synchronize() {
#ifdef __CUDACC__
checkCuda(cudaDeviceSynchronize());
#endif
}
|