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Enable fill_n and memset optimizations for construction and assignment

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This commit is contained in:
Charles Schlosser
2024-12-14 14:25:04 +00:00
parent af59ada0ac
commit c01ff45312
7 changed files with 105 additions and 22 deletions
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8
Eigen/src/Core/DenseBase.h
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@@ -243,6 +243,8 @@ class DenseBase
#ifndef EIGEN_PARSED_BY_DOXYGEN
/** \internal Represents a matrix with all coefficients equal to one another*/
typedef CwiseNullaryOp<internal::scalar_constant_op<Scalar>, PlainObject> ConstantReturnType;
/** \internal Represents a matrix with all coefficients equal to zero*/
typedef CwiseNullaryOp<internal::scalar_zero_op<Scalar>, PlainObject> ZeroReturnType;
/** \internal \deprecated Represents a vector with linearly spaced coefficients that allows sequential access only. */
EIGEN_DEPRECATED typedef CwiseNullaryOp<internal::linspaced_op<Scalar>, PlainObject> SequentialLinSpacedReturnType;
/** \internal Represents a vector with linearly spaced coefficients that allows random access. */
@@ -328,9 +330,9 @@ class DenseBase
template <typename CustomNullaryOp>
EIGEN_DEVICE_FUNC static const CwiseNullaryOp<CustomNullaryOp, PlainObject> NullaryExpr(const CustomNullaryOp& func);
EIGEN_DEVICE_FUNC static const ConstantReturnType Zero(Index rows, Index cols);
EIGEN_DEVICE_FUNC static const ConstantReturnType Zero(Index size);
EIGEN_DEVICE_FUNC static const ConstantReturnType Zero();
EIGEN_DEVICE_FUNC static const ZeroReturnType Zero(Index rows, Index cols);
EIGEN_DEVICE_FUNC static const ZeroReturnType Zero(Index size);
EIGEN_DEVICE_FUNC static const ZeroReturnType Zero();
EIGEN_DEVICE_FUNC static const ConstantReturnType Ones(Index rows, Index cols);
EIGEN_DEVICE_FUNC static const ConstantReturnType Ones(Index size);
EIGEN_DEVICE_FUNC static const ConstantReturnType Ones();