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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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7
Eigen/src/Core/DiagonalMatrix.h
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@@ -256,10 +256,13 @@ class DiagonalMatrix : public DiagonalBase<DiagonalMatrix<Scalar_, SizeAtCompile
typedef DiagonalWrapper<const CwiseNullaryOp<internal::scalar_constant_op<Scalar>, DiagonalVectorType>>
InitializeReturnType;
typedef DiagonalWrapper<const CwiseNullaryOp<internal::scalar_zero_op<Scalar>, DiagonalVectorType>>
ZeroInitializeReturnType;
/** Initializes a diagonal matrix of size SizeAtCompileTime with coefficients set to zero */
EIGEN_DEVICE_FUNC static const InitializeReturnType Zero() { return DiagonalVectorType::Zero().asDiagonal(); }
EIGEN_DEVICE_FUNC static const ZeroInitializeReturnType Zero() { return DiagonalVectorType::Zero().asDiagonal(); }
/** Initializes a diagonal matrix of size dim with coefficients set to zero */
EIGEN_DEVICE_FUNC static const InitializeReturnType Zero(Index size) {
EIGEN_DEVICE_FUNC static const ZeroInitializeReturnType Zero(Index size) {
return DiagonalVectorType::Zero(size).asDiagonal();
}
/** Initializes a identity matrix of size SizeAtCompileTime */