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Added NumTraits for half floats

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This commit is contained in:
Benoit Steiner 2016-03-31 10:43:59 -07:00
parent 8c8a79cec1
commit b575fb1d02
1 changed files with 12 additions and 0 deletions
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12
Eigen/src/Core/arch/CUDA/Half.h
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@ -341,6 +341,18 @@ template<> struct is_arithmetic<half> { enum { value = true }; };
} // end namespace internal
template<> struct NumTraits<Eigen::half>
: GenericNumTraits<Eigen::half>
{
EIGEN_DEVICE_FUNC static inline float dummy_precision() { return 1e-3f; }
EIGEN_DEVICE_FUNC static inline Eigen::half highest() {
return internal::raw_uint16_to_half(0x7bff);
}
EIGEN_DEVICE_FUNC static inline Eigen::half lowest() {
return internal::raw_uint16_to_half(0xfbff);
}
};
// Infinity/NaN checks.
namespace numext {