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Bug #1785: Introduce numext::rint.

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This provides a new op that matches std::rint and previous behavior of
pround. Also adds corresponding unsupported/../Tensor op.
Performance is the same as e. g. floor (tested SSE/AVX).
This commit is contained in:
Ilya Tokar
2019-12-16 16:00:35 -05:00
parent d0ae052da4
commit 19876ced76
12 changed files with 117 additions and 1 deletions
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6
unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
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@@ -422,6 +422,12 @@ class TensorBase<Derived, ReadOnlyAccessors>
return unaryExpr(internal::scalar_round_op<Scalar>());
}
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_rint_op<Scalar>, const Derived>
rint() const {
return unaryExpr(internal::scalar_rint_op<Scalar>());
}
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const TensorCwiseUnaryOp<internal::scalar_ceil_op<Scalar>, const Derived>
ceil() const {