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optimize setConstant, setZero

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This commit is contained in:
Charles Schlosser
2024-11-22 03:39:19 +00:00
parent 5610a13b77
commit 8ad4344ca7
7 changed files with 139 additions and 18 deletions
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10
Eigen/src/Core/CwiseNullaryOp.h
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@@ -343,7 +343,8 @@ EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void DenseBase<Derived>::fill(const Scalar
*/
template <typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setConstant(const Scalar& val) {
return derived() = Constant(rows(), cols(), val);
internal::eigen_fill_impl<Derived>::run(derived(), val);
return derived();
}
/** Resizes to the given \a size, and sets all coefficients in this expression to the given value \a val.
@@ -547,7 +548,8 @@ EIGEN_DEVICE_FUNC bool DenseBase<Derived>::isZero(const RealScalar& prec) const
*/
template <typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setZero() {
return setConstant(Scalar(0));
internal::eigen_zero_impl<Derived>::run(derived());
return derived();
}
/** Resizes to the given \a size, and sets all coefficients in this expression to zero.
@@ -562,7 +564,7 @@ EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::setZero() {
template <typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& PlainObjectBase<Derived>::setZero(Index newSize) {
resize(newSize);
return setConstant(Scalar(0));
return setZero();
}
/** Resizes to the given size, and sets all coefficients in this expression to zero.
@@ -578,7 +580,7 @@ EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& PlainObjectBase<Derived>::setZero
template <typename Derived>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Derived& PlainObjectBase<Derived>::setZero(Index rows, Index cols) {
resize(rows, cols);
return setConstant(Scalar(0));
return setZero();
}
/** Resizes to the given size, changing only the number of columns, and sets all