diff options
Diffstat (limited to 'Eigen/src/Core/MathFunctions.h')
| -rw-r--r-- | Eigen/src/Core/MathFunctions.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Eigen/src/Core/MathFunctions.h b/Eigen/src/Core/MathFunctions.h index ac7ef6d23..79ae797b5 100644 --- a/Eigen/src/Core/MathFunctions.h +++ b/Eigen/src/Core/MathFunctions.h @@ -787,6 +787,8 @@ template<typename T> EIGEN_DEVICE_FUNC bool isfinite_impl(const std::complex<T>& template<typename T> EIGEN_DEVICE_FUNC bool isnan_impl(const std::complex<T>& x); template<typename T> EIGEN_DEVICE_FUNC bool isinf_impl(const std::complex<T>& x); +template<typename T> T generic_fast_tanh_float(const T& a_x); + } // end namespace internal /**************************************************************************** @@ -1178,6 +1180,11 @@ T tanh(const T &x) { return tanh(x); } +#if (!defined(__CUDACC__)) && EIGEN_FAST_MATH +EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE +float tanh(float x) { return internal::generic_fast_tanh_float(x); } +#endif + #ifdef __CUDACC__ template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float tanh(const float &x) { return ::tanhf(x); } |