SpECTRE  v2026.04.01
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gr::Tags::PontryaginScalarCompute< DataType, Dim, Frame > Struct Template Reference

Public Types

using argument_tags
using return_type = Scalar<DataType>
using base = PontryaginScalar<DataType>
Public Types inherited from gr::Tags::PontryaginScalar< DataType >
using type = Scalar<DataType>

Static Public Attributes

static constexpr auto function

Member Typedef Documentation

◆ argument_tags

template<typename DataType, size_t Dim, typename Frame>
using gr::Tags::PontryaginScalarCompute< DataType, Dim, Frame >::argument_tags
Initial value:
tmpl::list<gr::Tags::WeylElectric<DataType, Dim, Frame>,
gr::Tags::WeylMagnetic<DataType, Dim, Frame>,
gr::Tags::InverseSpatialMetric<DataType, Dim, Frame>>
gr::Tags::InverseSpatialMetric
Inverse of the spatial metric.
Definition Tags.hpp:32
gr::Tags::WeylMagnetic
The magnetic part of the Weyl tensor in vacuum .
Definition Tags.hpp:257

Member Data Documentation

◆ function

template<typename DataType, size_t Dim, typename Frame>
auto gr::Tags::PontryaginScalarCompute< DataType, Dim, Frame >::function
staticconstexpr
Initial value:
= static_cast<void (*)(
gsl::not_null<Scalar<DataType>*>, const tnsr::ii<DataType, Dim, Frame>&,
const tnsr::ii<DataType, Dim, Frame>&,
const tnsr::II<DataType, Dim, Frame>&)>(
&gr::pontryagin_scalar_in_vacuum<Frame>)
gsl::not_null
Require a pointer to not be a nullptr
Definition Gsl.hpp:197
gr::pontryagin_scalar_in_vacuum
void pontryagin_scalar_in_vacuum(gsl::not_null< Scalar< DataVector > * > pontryagin_scalar, const tnsr::ii< DataVector, 3, Frame > &weyl_electric, const tnsr::ii< DataVector, 3, Frame > &weyl_magnetic, const tnsr::II< DataVector, 3, Frame > &inverse_spatial_metric)
Computes the Pontryagin scalar in vacuum.
The documentation for this struct was generated from the following file:
  • src/PointwiseFunctions/GeneralRelativity/QuadraticCurvatureScalars.hpp