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Replace multiple constructors of half-type by a generic/templated constructor. This fixes an incompatibility with long double, exposed by the previous commit.

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This commit is contained in:
Christoph Hertzberg 2016-05-23 10:03:03 +02:00
parent 718521d5cf
commit 88654762da
1 changed files with 3 additions and 14 deletions
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17
Eigen/src/Core/arch/CUDA/Half.h
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@ -72,22 +72,11 @@ struct half : public __half {
explicit EIGEN_DEVICE_FUNC half(bool b)
: __half(internal::raw_uint16_to_half(b ? 0x3c00 : 0)) {}
explicit EIGEN_DEVICE_FUNC half(unsigned int ui)
: __half(internal::float_to_half_rtne(static_cast<float>(ui))) {}
explicit EIGEN_DEVICE_FUNC half(int i)
: __half(internal::float_to_half_rtne(static_cast<float>(i))) {}
explicit EIGEN_DEVICE_FUNC half(unsigned long ul)
: __half(internal::float_to_half_rtne(static_cast<float>(ul))) {}
explicit EIGEN_DEVICE_FUNC half(long l)
: __half(internal::float_to_half_rtne(static_cast<float>(l))) {}
explicit EIGEN_DEVICE_FUNC half(long long ll)
: __half(internal::float_to_half_rtne(static_cast<float>(ll))) {}
explicit EIGEN_DEVICE_FUNC half(unsigned long long ull)
: __half(internal::float_to_half_rtne(static_cast<float>(ull))) {}
template<class T>
explicit EIGEN_DEVICE_FUNC half(const T& x)
: __half(internal::float_to_half_rtne(static_cast<float>(x))) {}
explicit EIGEN_DEVICE_FUNC half(float f)
: __half(internal::float_to_half_rtne(f)) {}
explicit EIGEN_DEVICE_FUNC half(double d)
: __half(internal::float_to_half_rtne(static_cast<float>(d))) {}
EIGEN_DEVICE_FUNC EIGEN_EXPLICIT_CAST(bool) const {
// +0.0 and -0.0 become false, everything else becomes true.