diff options
Diffstat (limited to 'Eigen/src/Core/MathFunctions.h')
| -rw-r--r-- | Eigen/src/Core/MathFunctions.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h index 07f4b9493..e9da35995 100644 --- a/Eigen/src/Core/MathFunctions.h +++ b/Eigen/src/Core/MathFunctions.h @@ -376,7 +376,7 @@ struct hypot_retval * Implementation of cast * ****************************************************************************/ -template<typename OldType, typename NewType> +template<typename OldType, typename NewType, typename EnableIf = void> struct cast_impl { EIGEN_DEVICE_FUNC @@ -386,6 +386,22 @@ struct cast_impl } }; +// Casting from S -> Complex<T> leads to an implicit conversion from S to T, +// generating warnings on clang. Here we explicitly cast the real component. +template<typename OldType, typename NewType> +struct cast_impl<OldType, NewType, + typename internal::enable_if< + !NumTraits<OldType>::IsComplex && NumTraits<NewType>::IsComplex + >::type> +{ + EIGEN_DEVICE_FUNC + static inline NewType run(const OldType& x) + { + typedef typename NumTraits<NewType>::Real NewReal; + return static_cast<NewType>(static_cast<NewReal>(x)); + } +}; + // here, for once, we're plainly returning NewType: we don't want cast to do weird things. template<typename OldType, typename NewType> @@ -486,7 +502,7 @@ struct rint_retval #if defined(EIGEN_HIP_DEVICE_COMPILE) // HIP does not seem to have a native device side implementation for the math routine "arg" using std::arg; - #else + #else EIGEN_USING_STD(arg); #endif return arg(x); @@ -967,7 +983,7 @@ template<typename T> T generic_fast_tanh_float(const T& a_x); namespace numext { -#if (!defined(EIGEN_GPUCC) || defined(EIGEN_CONSTEXPR_ARE_DEVICE_FUNC)) +#if (!defined(EIGEN_GPUCC) || defined(EIGEN_CONSTEXPR_ARE_DEVICE_FUNC)) template<typename T> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE T mini(const T& x, const T& y) |