SpECTRE  v2026.04.01
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gr::Tags::SpacetimeChristoffelFirstKindCompute< DataType, SpatialDim, Frame > Struct Template Reference

Compute item for spacetime Christoffel symbols of the first kind \(\Gamma_{abc}\) computed from the first derivative of the spacetime metric. More...

#include <Christoffel.hpp>

Public Types

using argument_tags
using return_type
using base = SpacetimeChristoffelFirstKind<DataType, SpatialDim, Frame>
Public Types inherited from gr::Tags::SpacetimeChristoffelFirstKind< DataType, SpatialDim, Frame >
using type

Static Public Attributes

static constexpr auto function

Detailed Description

template<typename DataType, size_t SpatialDim, typename Frame>
struct gr::Tags::SpacetimeChristoffelFirstKindCompute< DataType, SpatialDim, Frame >

Compute item for spacetime Christoffel symbols of the first kind \(\Gamma_{abc}\) computed from the first derivative of the spacetime metric.

Can be retrieved using gr::Tags::SpacetimeChristoffelFirstKind

Member Typedef Documentation

◆ argument_tags

template<typename DataType, size_t SpatialDim, typename Frame>
using gr::Tags::SpacetimeChristoffelFirstKindCompute< DataType, SpatialDim, Frame >::argument_tags
Initial value:
tmpl::list<DerivativesOfSpacetimeMetric<DataType, SpatialDim, Frame>>

◆ return_type

template<typename DataType, size_t SpatialDim, typename Frame>
using gr::Tags::SpacetimeChristoffelFirstKindCompute< DataType, SpatialDim, Frame >::return_type
Initial value:
tnsr::abb<DataType, SpatialDim, Frame, IndexType::Spacetime>

Member Data Documentation

◆ function

template<typename DataType, size_t SpatialDim, typename Frame>
auto gr::Tags::SpacetimeChristoffelFirstKindCompute< DataType, SpatialDim, Frame >::function
staticconstexpr
Initial value:
= static_cast<void (*)(
tnsr::abb<DataType, SpatialDim, Frame, IndexType::Spacetime>*>,
const tnsr::abb<DataType, SpatialDim, Frame, IndexType::Spacetime>&)>(
DataType>)
Require a pointer to not be a nullptr
Definition Gsl.hpp:197
void christoffel_first_kind(gsl::not_null< tnsr::abb< DataType, SpatialDim, Frame, Index > * > christoffel, const tnsr::abb< DataType, SpatialDim, Frame, Index > &d_metric)
Computes Christoffel symbol of the first kind from derivative of metric.
@ Spacetime
The TensorIndexType is a spacetime index.
Definition IndexType.hpp:158
Indicates the Frame that a TensorIndexType is in.
Definition IndexType.hpp:36

The documentation for this struct was generated from the following file:
  • src/PointwiseFunctions/GeneralRelativity/Christoffel.hpp