<?php

// x_num, y_num, Result

return [
    [
        '#DIV/0!',
        0,
        0,
    ],
    [
        0.78539816339699997,
        1,
        1,
    ],
    [
        -2.3561944901919998,
        -1,
        -1,
    ],
    [
        2.3561944901919998,
        -1,
        1,
    ],
    [
        -0.78539816339699997,
        1,
        -1,
    ],
    [
        1.107148717794,
        0.5,
        1,
    ],
    [
        1.8157749899219999,
        -0.5,
        2,
    ],
    [
        0.67474094222400005,
        1,
        0.80000000000000004,
    ],
    [
        -0.64350110879300004,
        0.80000000000000004,
        -0.59999999999999998,
    ],
    [
        -1.460139105621,
        1,
        -9,
    ],
    [
        0.0,
        0.20000000000000001,
        0,
    ],
    [
        1.107148717794,
        0.10000000000000001,
        0.20000000000000001,
    ],
    [
        1.570796326795,
        0,
        0.20000000000000001,
    ],
    [
        '#VALUE!',
        'A',
        0.20000000000000001,
    ],
    [
        0.78539816339699997,
        true,
        1,
    ],
    [
        -1.570796326795,
        false,
        -2.5,
    ],
];