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| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-03-14 09:13:44 -0700 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-03-14 09:13:44 -0700 |
| commit | fcf59e1c37b48130eec5d3e26c847c7bb252542d (patch) | |
| tree | 1a88532e953ddf4c788fabde1f6f081a097aed30 | |
| parent | 97a1f1c2735e0f393b8492485f3db63cea4ba7c0 (diff) | |
Properly gate the use of cuda intrinsics in the code
| -rw-r--r-- | Eigen/src/Core/arch/CUDA/Half.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Eigen/src/Core/arch/CUDA/Half.h b/Eigen/src/Core/arch/CUDA/Half.h index 35e216028..af5d872a5 100644 --- a/Eigen/src/Core/arch/CUDA/Half.h +++ b/Eigen/src/Core/arch/CUDA/Half.h @@ -215,7 +215,7 @@ union FP32 { }; static inline EIGEN_DEVICE_FUNC __half float_to_half_rtne(float ff) { -#if defined(__CUDA_ARCH__) && defined(EIGEN_HAS_CUDA_FP16) +#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300 return __float2half(ff); #else FP32 f; f.f = ff; @@ -263,7 +263,7 @@ static inline EIGEN_DEVICE_FUNC __half float_to_half_rtne(float ff) { } static inline EIGEN_DEVICE_FUNC float half_to_float(__half h) { -#if defined(__CUDA_ARCH__) && defined(EIGEN_HAS_CUDA_FP16) +#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 300 return __half2float(h); #else const FP32 magic = { 113 << 23 }; @@ -305,7 +305,7 @@ static inline EIGEN_DEVICE_FUNC bool (isinf)(const Eigen::half& a) { return (a.x & 0x7fff) == 0x7c00; } static inline EIGEN_HALF_CUDA_H bool (isnan)(const Eigen::half& a) { -#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 530 +#if defined(EIGEN_HAS_CUDA_FP16) && defined(__CUDA_ARCH__) && __CUDA_ARCH__ >= 530 return __hisnan(x); #else return (a.x & 0x7fff) > 0x7c00; |