conspire 0.7.6

The Rust interface to conspire.
Documentation 
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use crate::{
    geometry::{
        Coordinate, Coordinates,
        mesh::{Connectivity, Mesh, Tessellation},
    },
    math::assert::AssertionError,
};
use std::f64::consts::{PI, TAU};

pub const CONNECTIVITY: [[usize; 3]; 12] = [
    [0, 2, 1],
    [0, 3, 2],
    [4, 5, 6],
    [4, 6, 7],
    [0, 1, 5],
    [0, 5, 4],
    [3, 6, 2],
    [3, 7, 6],
    [0, 4, 7],
    [0, 7, 3],
    [1, 2, 6],
    [1, 6, 5],
];

pub const COORDINATES: [Coordinate<3>; 8] = [
    Coordinate::const_from([0.0, 0.0, 0.0]),
    Coordinate::const_from([1.0, 0.0, 0.0]),
    Coordinate::const_from([1.0, 1.0, 0.0]),
    Coordinate::const_from([0.0, 1.0, 0.0]),
    Coordinate::const_from([0.0, 0.0, 1.0]),
    Coordinate::const_from([1.0, 0.0, 1.0]),
    Coordinate::const_from([1.0, 1.0, 1.0]),
    Coordinate::const_from([0.0, 1.0, 1.0]),
];

pub fn mesh() -> Mesh<3> {
    let connectivities = vec![Connectivity::Triangular(CONNECTIVITY.to_vec().into())];
    let coordinates = Coordinates::from(COORDINATES);
    Mesh::from((connectivities, coordinates))
}

pub fn sphere(stacks: usize, slices: usize, radius: f64) -> Tessellation {
    let mut points = vec![[0.0, 0.0, radius]];
    for i in 1..=stacks {
        let theta = PI * i as f64 / (stacks + 1) as f64;
        for j in 0..slices {
            let phi = TAU * j as f64 / slices as f64;
            points.push([
                radius * theta.sin() * phi.cos(),
                radius * theta.sin() * phi.sin(),
                radius * theta.cos(),
            ]);
        }
    }
    let south = points.len();
    points.push([0.0, 0.0, -radius]);
    let ring_start = |i: usize| 1 + (i - 1) * slices;
    let mut faces = Vec::new();
    for j in 0..slices {
        faces.push([0, ring_start(1) + j, ring_start(1) + (j + 1) % slices]);
    }
    for i in 1..stacks {
        for j in 0..slices {
            let (a, b) = (ring_start(i) + j, ring_start(i + 1) + j);
            let (c, d) = (
                ring_start(i + 1) + (j + 1) % slices,
                ring_start(i) + (j + 1) % slices,
            );
            faces.push([a, b, c]);
            faces.push([a, c, d]);
        }
    }
    for j in 0..slices {
        faces.push([
            south,
            ring_start(stacks) + (j + 1) % slices,
            ring_start(stacks) + j,
        ]);
    }
    let coordinates = Coordinates::from(points);
    let connectivities = vec![Connectivity::Triangular(faces.into())];
    Tessellation::from(Mesh::from((connectivities, coordinates)))
}

pub fn mesh_with_node_sets() -> Mesh<3> {
    let mut mesh = mesh();
    mesh.set_node_sets(vec![vec![0, 1], vec![2, 3]].into());
    mesh
}

#[test]
fn connectivity_coordinates() -> Result<(), AssertionError> {
    let _ = mesh();
    Ok(())
}

// #[test]
// fn connectivity_coordinates_ref() -> Result<(), AssertionError> {
//     let connectivity = CONNECTIVITY.to_vec();
//     let coordinates = Coordinates::from(COORDINATES);
//     let _ = TriangularMesh::from((connectivity, &coordinates));
//     Ok(())
// }

// #[test]
// fn connectivity_ref_coordinates() -> Result<(), AssertionError> {
//     let connectivity = CONNECTIVITY.to_vec();
//     let coordinates = Coordinates::from(COORDINATES);
//     let _ = TriangularMesh::from((&connectivity, coordinates));
//     Ok(())
// }

// #[test]
// fn connectivity_ref_coordinates_ref() -> Result<(), AssertionError> {
//     let connectivity = CONNECTIVITY.to_vec();
//     let coordinates = Coordinates::from(COORDINATES);
//     let _ = TriangularMesh::from((&connectivity, &coordinates));
//     Ok(())
// }