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Contents
import Matrix from './saddle-points';
describe('Matrix', () => {
test('extracts a row', () => {
const matrix = new Matrix('1 2\n10 20');
expect(matrix.rows[0]).toEqual([1, 2]);
});
xtest('extracts other row', () => {
const matrix = new Matrix('9 8 7\n19 18 17');
expect(matrix.rows[1]).toEqual([19, 18, 17]);
});
xtest('extracts a column', () => {
const matrix = new Matrix('1 2 3\n4 5 6\n7 8 9\n 8 7 6');
expect(matrix.columns[0]).toEqual([1, 4, 7, 8]);
});
xtest('extracts another column', () => {
const matrix = new Matrix('89 1903 3\n18 3 1\n9 4 800');
expect(matrix.columns[1]).toEqual([1903, 3, 4]);
});
xtest('no saddle point', () => {
const matrix = new Matrix('2 1\n1 2');
expect(matrix.saddlePoints).toEqual([]);
});
xtest('a saddle point', () => {
const matrix = new Matrix('1 2\n3 4');
expect(matrix.saddlePoints).toEqual([[0, 1]]);
});
xtest('another saddle point', () => {
const matrix = new Matrix('18 3 39 19 91\n38 10 8 77 320\n3 4 8 6 7');
expect(matrix.saddlePoints).toEqual([[2, 2]]);
});
xtest('multiple saddle points', () => {
const matrix = new Matrix('4 5 4\n3 5 5\n1 5 4');
expect(matrix.saddlePoints).toEqual([[0, 1], [1, 1], [2, 1]]);
});
});
Version data entries
185 entries across 185 versions & 1 rubygems