NEML2 2.1.0
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A skew-symmetric second order tensor, represented as an axial vector. More...

Detailed Description

A skew-symmetric second order tensor, represented as an axial vector.

The storage space is (3).

#include <WR2.h>

Inheritance diagram for WR2:

Public Member Functions

 WR2 (const R2 &T)
 Skew-symmetrize a R2 then fill.
Scalar operator() (Size i, Size j) const
 Accessor.
Rot exp_map () const
 Exponential map to make this into a rotation (Rot).
R2 dexp_map () const
 Derivative of the exponential map.
Public Member Functions inherited from VecBase< WR2 >
WR2 rotate (const Rot &r) const
 Rotate using a Rodrigues vector.
R2 drotate (const Rot &r) const
 Derivative of the rotated vector w.r.t. the Rodrigues vector.
Public Member Functions inherited from PrimitiveTensor< WR2, 3 >
 PrimitiveTensor ()=default
 Special member functions.
 operator neml2::Tensor () const
 Implicit conversion to a Tensor (discards information on the fixed base shape).
Scalar operator() (Args... i) const
 Single-element accessor.
Public Member Functions inherited from TensorBase< WR2 >
 TensorBase ()=default
 Default constructor.
WR2 variable_data () const
 Variable data without function graph.
WR2 contiguous () const
WR2 clone () const
 Clone (take ownership).
WR2 detach () const
 Discard function graph.
WR2 to (const TensorOptions &options) const
 Change tensor options.
WR2 operator- () const
 Negation.
Size batch_dim () const
Size base_dim () const
Size dynamic_dim () const
Size static_dim () const
Size intmd_dim () const
TraceableTensorShape batch_sizes () const
TensorShapeRef base_sizes () const
const TraceableTensorShapedynamic_sizes () const
TensorShapeRef static_sizes () const
TensorShapeRef intmd_sizes () const
TraceableSize batch_size (Size i) const
Size base_size (Size i) const
const TraceableSizedynamic_size (Size i) const
Size static_size (Size i) const
Size intmd_size (Size i) const
WR2 dynamic_index (indexing::TensorIndicesRef indices) const
WR2 intmd_index (indexing::TensorIndicesRef indices) const
neml2::Tensor base_index (indexing::TensorIndicesRef indices) const
WR2 batch_index (indexing::TensorIndicesRef indices) const
WR2 dynamic_slice (Size d, const indexing::Slice &index) const
WR2 intmd_slice (Size d, const indexing::Slice &index) const
neml2::Tensor base_slice (Size d, const indexing::Slice &index) const
WR2 batch_slice (Size d, const indexing::Slice &index) const
void dynamic_index_put_ (indexing::TensorIndicesRef indices, const ATensor &other)
void intmd_index_put_ (indexing::TensorIndicesRef indices, const ATensor &other)
void base_index_put_ (indexing::TensorIndicesRef indices, const ATensor &other)
void batch_index_put_ (indexing::TensorIndicesRef indices, const ATensor &other)
WR2 dynamic_expand (const TraceableTensorShape &shape) const
WR2 intmd_expand (TensorShapeRef shape) const
neml2::Tensor base_expand (TensorShapeRef shape) const
WR2 batch_expand (const TraceableTensorShape &dynamic_shape, TensorShapeRef intmd_shape={}) const
neml2::Tensor static_expand (TensorShapeRef intmd_shape, TensorShapeRef base_shape) const
WR2 dynamic_expand_as (const neml2::Tensor &other) const
WR2 intmd_expand_as (const neml2::Tensor &other) const
neml2::Tensor base_expand_as (const neml2::Tensor &other) const
WR2 batch_expand_as (const neml2::Tensor &other) const
neml2::Tensor static_expand_as (const neml2::Tensor &other) const
WR2 dynamic_reshape (const TraceableTensorShape &shape) const
WR2 intmd_reshape (TensorShapeRef shape) const
neml2::Tensor base_reshape (TensorShapeRef shape) const
WR2 batch_reshape (const TraceableTensorShape &dynamic_shape, TensorShapeRef intmd_shape={}) const
neml2::Tensor static_reshape (TensorShapeRef intmd_shape, TensorShapeRef base_shape) const
WR2 dynamic_squeeze (Size d) const
WR2 intmd_squeeze (Size d) const
neml2::Tensor base_squeeze (Size d) const
WR2 batch_squeeze (Size d) const
WR2 dynamic_unsqueeze (Size d, Size n=1) const
WR2 intmd_unsqueeze (Size d, Size n=1) const
neml2::Tensor base_unsqueeze (Size d, Size n=1) const
WR2 batch_unsqueeze (Size d, Size n=1) const
WR2 dynamic_transpose (Size d1, Size d2) const
WR2 intmd_transpose (Size d1, Size d2) const
neml2::Tensor base_transpose (Size d1, Size d2) const
WR2 batch_transpose (Size d1, Size d2) const
WR2 dynamic_movedim (Size old_dim, Size new_dim) const
WR2 intmd_movedim (Size old_dim, Size new_dim) const
neml2::Tensor base_movedim (Size old_dim, Size new_dim) const
WR2 batch_movedim (Size old_dim, Size new_dim) const
WR2 dynamic_flatten (Size start_dim=0, Size end_dim=-1) const
WR2 intmd_flatten (Size start_dim=0, Size end_dim=-1) const
neml2::Tensor base_flatten (Size start_dim=0, Size end_dim=-1) const
WR2 batch_flatten () const
 Flatten batch dimensions.
neml2::Tensor static_flatten () const
 Flatten static dimensions.

Additional Inherited Members

Public Types inherited from PrimitiveTensor< WR2, 3 >
using base_sizes_sequence
 Base shape sequence.
Static Public Member Functions inherited from PrimitiveTensor< WR2, 3 >
static WR2 create (const TensorDataContainer &data, Size intmd_dim=0, const TensorOptions &options=default_tensor_options())
 Arbitrary tensor from a nested container with inferred batch dimension.
static WR2 einsum (c10::string_view equation, TensorList tensors)
 Einstein summation along base dimensions.
static WR2 empty (const TensorOptions &options=default_tensor_options())
static WR2 zeros (const TensorOptions &options=default_tensor_options())
static WR2 ones (const TensorOptions &options=default_tensor_options())
static WR2 full (const CScalar &init, const TensorOptions &options=default_tensor_options())
static WR2 rand (const TensorOptions &options=default_tensor_options())
static WR2 fill (Args &&... args)
Static Public Member Functions inherited from TensorBase< WR2 >
static WR2 empty_like (const WR2 &other)
static WR2 zeros_like (const WR2 &other)
 Zero tensor like another, i.e. same batch and base shapes, same tensor options, etc.
static WR2 ones_like (const WR2 &other)
 Unit tensor like another, i.e. same batch and base shapes, same tensor options, etc.
static WR2 full_like (const WR2 &other, const CScalar &init)
static WR2 rand_like (const WR2 &other)
Static Public Attributes inherited from PrimitiveTensor< WR2, 3 >
static const TensorShape const_base_sizes
 The base shape.
static constexpr Size const_base_dim
 The base dim.
static constexpr Size const_base_numel
 The base numel.
Protected Member Functions inherited from PrimitiveTensor< WR2, 3 >
void validate_shapes_and_dims () const
 Validate shapes and dimensions.
Protected Member Functions inherited from TensorBase< WR2 >
void validate_shapes_and_dims () const
 Validate shapes and dimensions.

Constructor & Destructor Documentation

◆ WR2()

WR2 ( const R2 & T)

Skew-symmetrize a R2 then fill.

Member Function Documentation

◆ dexp_map()

R2 dexp_map ( ) const

Derivative of the exponential map.

◆ exp_map()

Rot exp_map ( ) const

Exponential map to make this into a rotation (Rot).

◆ operator()()

Scalar operator() ( Size i,
Size j ) const

Accessor.