conspire 0.7.0

The Rust interface to conspire.
Documentation
#[cfg(test)]
mod test;

use crate::{
    fem::block::element::{
        FiniteElement, ParametricCoordinate, ParametricCoordinates, ParametricReference,
        ShapeFunctions, ShapeFunctionsGradients,
        linear::{LinearElement, LinearFiniteElement, M},
    },
    math::ScalarList,
};

const G: usize = 1;
const N: usize = 4;
const P: usize = N;

pub type Tetrahedron = LinearElement<G, N>;

impl FiniteElement<G, M, N, P> for Tetrahedron {
    fn integration_points() -> ParametricCoordinates<G, M> {
        [[0.25; M]].into()
    }
    fn integration_weights(&self) -> &ScalarList<G> {
        &self.integration_weights
    }
    fn parametric_reference() -> ParametricReference<M, N> {
        [
            [0.0, 0.0, 0.0],
            [1.0, 0.0, 0.0],
            [0.0, 1.0, 0.0],
            [0.0, 0.0, 1.0],
        ]
        .into()
    }
    fn parametric_weights() -> ScalarList<G> {
        [1.0 / 6.0; G].into()
    }
    fn shape_functions(parametric_coordinate: ParametricCoordinate<M>) -> ShapeFunctions<N> {
        let [xi_1, xi_2, xi_3] = parametric_coordinate.into();
        [1.0 - xi_1 - xi_2 - xi_3, xi_1, xi_2, xi_3].into()
    }
    fn shape_functions_gradients(
        _parametric_coordinate: ParametricCoordinate<M>,
    ) -> ShapeFunctionsGradients<M, N> {
        [
            [-1.0, -1.0, -1.0],
            [1.0, 0.0, 0.0],
            [0.0, 1.0, 0.0],
            [0.0, 0.0, 1.0],
        ]
        .into()
    }
}

impl LinearFiniteElement<G, N> for Tetrahedron {}