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| author |  Rasmus Munk Larsen <rmlarsen@google.com> | 2020-12-03 22:31:44 +0000 |
|---|---|---|
| committer | Rasmus Munk Larsen <rmlarsen@google.com> | 2020-12-03 22:31:44 +0000 |
| commit | 4d91519a9be061da5d300079fca17dd0b9328050 (patch) | |
| tree | 5546a7f478049ce24d8f69f20ad018d6a63ec807 /Eigen/src/Core/arch/Default/Half.h | |
| parent | 25d8ae7465e6430bc2dc7f65800332932d3bb774 (diff) | |
Add log2() operator to Eigen
Diffstat (limited to 'Eigen/src/Core/arch/Default/Half.h')
| -rw-r--r-- | Eigen/src/Core/arch/Default/Half.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/Default/Half.h b/Eigen/src/Core/arch/Default/Half.h index 7029c500d..db85f4edf 100644 --- a/Eigen/src/Core/arch/Default/Half.h +++ b/Eigen/src/Core/arch/Default/Half.h @@ -622,6 +622,10 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half log1p(const half& a) { EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half log10(const half& a) { return half(::log10f(float(a))); } +EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half log2(const half& a) { + return half(static_cast<float>(M_LOG2E) * ::logf(float(a))); +} + EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC half sqrt(const half& a) { #if (EIGEN_CUDA_SDK_VER >= 80000 && defined EIGEN_CUDA_ARCH && EIGEN_CUDA_ARCH >= 530) || \ defined(EIGEN_HIP_DEVICE_COMPILE) |