maplibre-gl/src/symbol/projection.test.ts

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

import {project} from './projection';

import Point from '@mapbox/point-geometry';
import {mat4} from 'gl-matrix';

describe('Projection', () => {
    test('matrix float precision', () => {
        const point = new Point(10.000000005, 0);
        const matrix = mat4.create();
        expect(project(point, matrix).point.x).toBeCloseTo(point.x, 10);
    });
});