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guard random functions for half #607

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Merged
soumith merged 1 commit into from
Nov 18, 2016
Merged

guard random functions for half #607

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9 changes: 6 additions & 3 deletions lib/THC/THCTensorRandom.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -218,19 +218,22 @@ __global__ void NAME(curandStateMtgp32 *state, int size, T *result, ARG1, ARG2)

GENERATE_KERNEL2(generate_uniform, float, double a, double b, float, curand_uniform, x * (b-a) + a)
GENERATE_KERNEL2(generate_uniform, double, double a, double b, double, curand_uniform_double, x * (b-a) + a)
GENERATE_KERNEL2(generate_uniform, half, double a, double b, float, curand_uniform, (ScalarConvert<float, half>::to(x * (b-a) + a)))

GENERATE_KERNEL2(generate_normal, float, double mean, double stdv, float, curand_normal, (x * stdv) + mean)
GENERATE_KERNEL2(generate_normal, double, double mean, double stdv, double, curand_normal_double, (x * stdv) + mean)
GENERATE_KERNEL2(generate_normal, half, double mean, double stdv, float, curand_normal, (ScalarConvert<float, half>::to((x * stdv) + mean)))

GENERATE_KERNEL1(generate_exponential, float, double lambda, float, curand_uniform, (float)(-1. / lambda * log(1-x)))
GENERATE_KERNEL1(generate_exponential, double, double lambda, double, curand_uniform_double, (double)(-1. / lambda * log(1-x)))
GENERATE_KERNEL1(generate_exponential, half, double lambda, float, curand_uniform, (ScalarConvert<float, half>::to((float)(-1. / lambda * log(1-x)))))

GENERATE_KERNEL2(generate_cauchy, float, double median, double sigma, float, curand_uniform, (float)(median + sigma * tan(M_PI*(x-0.5))))
GENERATE_KERNEL2(generate_cauchy, double, double median, double sigma, double, curand_uniform_double, (double)(median + sigma * tan(M_PI*(x-0.5))))

#ifdef CUDA_HALF_TENSOR
GENERATE_KERNEL2(generate_uniform, half, double a, double b, float, curand_uniform, (ScalarConvert<float, half>::to(x * (b-a) + a)))
GENERATE_KERNEL2(generate_normal, half, double mean, double stdv, float, curand_normal, (ScalarConvert<float, half>::to((x * stdv) + mean)))
GENERATE_KERNEL1(generate_exponential, half, double lambda, float, curand_uniform, (ScalarConvert<float, half>::to((float)(-1. / lambda * log(1-x)))))
GENERATE_KERNEL2(generate_cauchy, half, double median, double sigma, float, curand_uniform, (ScalarConvert<float, half>::to((float)(median + sigma * tan(M_PI*(x-0.5))))))
#endif // CUDA_HALF_TENSOR

#include "generic/THCTensorRandom.cu"
#include "THCGenerateAllTypes.h"
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