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Selectively add constexpr to Core expression template scaffolding

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libeigen/eigen!2184

Closes #3041

Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
This commit is contained in:
Rasmus Munk Larsen
2026-02-24 19:59:10 -08:00
parent 34092d2788
commit 61895c5978
70 changed files with 986 additions and 841 deletions
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31
Eigen/src/plugins/MatrixCwiseUnaryOps.inc
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@@ -30,7 +30,7 @@ EIGEN_DOC_UNARY_ADDONS(cwiseAbs, absolute value)
///
/// \sa cwiseAbs2()
///
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseAbsReturnType cwiseAbs() const {
EIGEN_DEVICE_FUNC constexpr EIGEN_STRONG_INLINE const CwiseAbsReturnType cwiseAbs() const {
return CwiseAbsReturnType(derived());
}
@@ -43,7 +43,7 @@ EIGEN_DOC_UNARY_ADDONS(cwiseAbs2, squared absolute value)
///
/// \sa cwiseAbs()
///
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseAbs2ReturnType cwiseAbs2() const {
EIGEN_DEVICE_FUNC constexpr EIGEN_STRONG_INLINE const CwiseAbs2ReturnType cwiseAbs2() const {
return CwiseAbs2ReturnType(derived());
}
@@ -56,7 +56,9 @@ EIGEN_DOC_UNARY_ADDONS(cwiseSqrt, square - root)
///
/// \sa cwisePow(), cwiseSquare(), cwiseCbrt()
///
EIGEN_DEVICE_FUNC inline const CwiseSqrtReturnType cwiseSqrt() const { return CwiseSqrtReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseSqrtReturnType cwiseSqrt() const {
return CwiseSqrtReturnType(derived());
}
/// \returns an expression of the coefficient-wise cube root of *this.
///
@@ -64,7 +66,9 @@ EIGEN_DOC_UNARY_ADDONS(cwiseCbrt, cube - root)
///
/// \sa cwiseSqrt(), cwiseSquare(), cwisePow()
///
EIGEN_DEVICE_FUNC inline const CwiseCbrtReturnType cwiseCbrt() const { return CwiseCbrtReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseCbrtReturnType cwiseCbrt() const {
return CwiseCbrtReturnType(derived());
}
/// \returns an expression of the coefficient-wise square of *this.
///
@@ -72,7 +76,9 @@ EIGEN_DOC_UNARY_ADDONS(cwiseSquare, square)
///
/// \sa cwisePow(), cwiseSqrt(), cwiseCbrt()
///
EIGEN_DEVICE_FUNC inline const CwiseSquareReturnType cwiseSquare() const { return CwiseSquareReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseSquareReturnType cwiseSquare() const {
return CwiseSquareReturnType(derived());
}
/// \returns an expression of the coefficient-wise signum of *this.
///
@@ -81,7 +87,9 @@ EIGEN_DEVICE_FUNC inline const CwiseSquareReturnType cwiseSquare() const { retur
///
EIGEN_DOC_UNARY_ADDONS(cwiseSign, sign function)
///
EIGEN_DEVICE_FUNC inline const CwiseSignReturnType cwiseSign() const { return CwiseSignReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseSignReturnType cwiseSign() const {
return CwiseSignReturnType(derived());
}
/// \returns an expression of the coefficient-wise inverse of *this.
///
@@ -92,7 +100,9 @@ EIGEN_DOC_UNARY_ADDONS(cwiseInverse, inverse)
///
/// \sa cwiseProduct()
///
EIGEN_DEVICE_FUNC inline const CwiseInverseReturnType cwiseInverse() const { return CwiseInverseReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseInverseReturnType cwiseInverse() const {
return CwiseInverseReturnType(derived());
}
/// \returns an expression of the coefficient-wise phase angle of \c *this
///
@@ -101,9 +111,9 @@ EIGEN_DEVICE_FUNC inline const CwiseInverseReturnType cwiseInverse() const { ret
///
EIGEN_DOC_UNARY_ADDONS(cwiseArg, arg)
EIGEN_DEVICE_FUNC inline const CwiseArgReturnType cwiseArg() const { return CwiseArgReturnType(derived()); }
EIGEN_DEVICE_FUNC constexpr inline const CwiseArgReturnType cwiseArg() const { return CwiseArgReturnType(derived()); }
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseCArgReturnType cwiseCArg() const {
EIGEN_DEVICE_FUNC constexpr EIGEN_STRONG_INLINE const CwiseCArgReturnType cwiseCArg() const {
return CwiseCArgReturnType(derived());
}
@@ -113,6 +123,7 @@ using CwisePowReturnType =
CwiseUnaryOp<internal::scalar_unary_pow_op<Scalar, ScalarExponent>, const Derived>>;
template <typename ScalarExponent>
EIGEN_DEVICE_FUNC inline const CwisePowReturnType<ScalarExponent> cwisePow(const ScalarExponent& exponent) const {
EIGEN_DEVICE_FUNC constexpr inline const CwisePowReturnType<ScalarExponent> cwisePow(
const ScalarExponent& exponent) const {
return CwisePowReturnType<ScalarExponent>(derived(), internal::scalar_unary_pow_op<Scalar, ScalarExponent>(exponent));
}