SpECTRE  v2024.04.12
gr::Tags::Psi4RealCompute< Frame > Struct Template Reference

Computes the real part of the Newman Penrose quantity \(\Psi_4\) using \(\Psi_4[Real] = -0.5*U^{8+}_{ij}*(x^ix^j - y^iy^j)\). More...

#include <Psi4Real.hpp>

Public Types

using argument_tags = tmpl::list< gr::Tags::SpatialRicci< DataVector, 3, Frame >, gr::Tags::ExtrinsicCurvature< DataVector, 3, Frame >, ::Tags::deriv< gr::Tags::ExtrinsicCurvature< DataVector, 3, Frame >, tmpl::size_t< 3 >, Frame >, gr::Tags::SpatialMetric< DataVector, 3, Frame >, gr::Tags::InverseSpatialMetric< DataVector, 3, Frame >, domain::Tags::Coordinates< 3, Frame > >
 
using return_type = Scalar< DataVector >
 
using base = Psi4Real< DataVector >
 
- Public Types inherited from gr::Tags::Psi4Real< DataVector >
using type = Scalar< DataVector >
 

Static Public Attributes

static constexpr auto function
 

Detailed Description

template<typename Frame>
struct gr::Tags::Psi4RealCompute< Frame >

Computes the real part of the Newman Penrose quantity \(\Psi_4\) using \(\Psi_4[Real] = -0.5*U^{8+}_{ij}*(x^ix^j - y^iy^j)\).

Can be retrieved using gr::Tags::Psi4Real

Member Data Documentation

◆ function

template<typename Frame >
constexpr auto gr::Tags::Psi4RealCompute< Frame >::function
staticconstexpr
Initial value:
= static_cast<void (*)(
const tnsr::I<DataVector, 3, Frame>&)>(&psi_4_real<Frame>)
Definition: ContractFirstNIndices.hpp:16
Require a pointer to not be a nullptr
Definition: Gsl.hpp:183

The documentation for this struct was generated from the following file: