SpECTRE  v2026.04.01
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gh::Tags::FourIndexConstraintCompute< SpatialDim, Frame > Struct Template Reference

Compute item to get the four-index constraint for the generalized harmonic evolution system. More...

#include <Constraints.hpp>

Public Types

using argument_tags
using return_type = tnsr::iaa<DataVector, SpatialDim, Frame>
using base = FourIndexConstraint<DataVector, SpatialDim, Frame>
Public Types inherited from gh::Tags::FourIndexConstraint< DataVector, SpatialDim, Frame >
using type

Static Public Attributes

static constexpr auto function

Detailed Description

template<size_t SpatialDim, typename Frame>
struct gh::Tags::FourIndexConstraintCompute< SpatialDim, Frame >

Compute item to get the four-index constraint for the generalized harmonic evolution system.

Details

See four_index_constraint(). Can be retrieved using gh::Tags::FourIndexConstraint.

Member Typedef Documentation

◆ argument_tags

template<size_t SpatialDim, typename Frame>
using gh::Tags::FourIndexConstraintCompute< SpatialDim, Frame >::argument_tags
Initial value:
tmpl::list<::Tags::deriv<Phi<DataVector, SpatialDim, Frame>,
tmpl::size_t<SpatialDim>, Frame>>
Indicates the Frame that a TensorIndexType is in.
Definition IndexType.hpp:36

Member Data Documentation

◆ function

template<size_t SpatialDim, typename Frame>
auto gh::Tags::FourIndexConstraintCompute< SpatialDim, Frame >::function
staticconstexpr
Initial value:
= static_cast<void (*)(
const tnsr::ijaa<DataVector, SpatialDim, Frame>&)>(
Require a pointer to not be a nullptr
Definition Gsl.hpp:197
tnsr::iaa< DataType, SpatialDim, Frame > four_index_constraint(const tnsr::ijaa< DataType, SpatialDim, Frame > &d_phi)
Computes the generalized-harmonic 4-index constraint.

The documentation for this struct was generated from the following file:
  • src/Evolution/Systems/GeneralizedHarmonic/Constraints.hpp