Line data Source code
1 0 : // Distributed under the MIT License.
2 : // See LICENSE.txt for details.
3 :
4 : #pragma once
5 :
6 : #include <cstddef>
7 :
8 : #include "DataStructures/Tensor/Tensor.hpp"
9 : #include "Utilities/Gsl.hpp"
10 :
11 : namespace CurvedScalarWave::Worldtube {
12 : /*!
13 : * \brief The spatial derivative of the zero spin inverse Kerr Schild metric,
14 : * $\partial_i g^{\mu \nu}$, assuming a black hole at the coordinate center with
15 : * mass M = 1.
16 : */
17 1 : tnsr::iAA<double, 3> spatial_derivative_inverse_ks_metric(
18 : const tnsr::I<double, 3>& pos);
19 :
20 : /*!
21 : * \brief The spatial derivative of the spacetime metric,
22 : * $\partial_i g_{\mu \nu}$.
23 : */
24 1 : tnsr::iaa<double, 3> spatial_derivative_ks_metric(
25 : const tnsr::aa<double, 3>& metric,
26 : const tnsr::iAA<double, 3>& di_inverse_metric);
27 :
28 : /*!
29 : * \brief The second spatial derivative of the zero spin inverse Kerr Schild
30 : * metric, $\partial_i \partial_j g^{\mu \nu}$, assuming a black hole at the
31 : * coordinate center with mass M = 1.
32 : */
33 1 : tnsr::iiAA<double, 3> second_spatial_derivative_inverse_ks_metric(
34 : const tnsr::I<double, 3>& pos);
35 :
36 : /*!
37 : * \brief The spatial derivative of the spacetime metric,
38 : * $\partial_i \partial_j g_{\mu \nu}$.
39 : */
40 1 : tnsr::iiaa<double, 3> second_spatial_derivative_metric(
41 : const tnsr::aa<double, 3>& metric, const tnsr::iaa<double, 3>& di_metric,
42 : const tnsr::iAA<double, 3>& di_inverse_metric,
43 : const tnsr::iiAA<double, 3>& dij_inverse_metric);
44 :
45 : /*!
46 : * \brief The spatial derivative of the Christoffel
47 : * symbols, $\partial_i \Gamma^\rho_{\mu \nu}$.
48 : */
49 1 : tnsr::iAbb<double, 3> spatial_derivative_christoffel(
50 : const tnsr::iaa<double, 3>& di_metric,
51 : const tnsr::iiaa<double, 3>& dij_metric,
52 : const tnsr::AA<double, 3>& inverse_metric,
53 : const tnsr::iAA<double, 3>& di_inverse_metric);
54 :
55 : /*!
56 : * \brief The spatial derivative of the zero spin Kerr Schild contracted
57 : * Christoffel symbols,
58 : * $\partial_i g^{\mu \nu} \Gamma^\rho_{\mu \nu}$, assuming a black hole at the
59 : * coordinate center with mass M = 1.
60 : */
61 1 : tnsr::iA<double, 3> spatial_derivative_ks_contracted_christoffel(
62 : const tnsr::I<double, 3>& pos);
63 :
64 : } // namespace CurvedScalarWave::Worldtube
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