<?php

declare(strict_types=1);

return [
    [
        0.001223791709,
        15.2069, 6, 4, false,
    ],
    [
        0.990000043003,
        15.2069, 6, 4, true,
    ],
    [
        0.308000821694,
        1, 2, 5, false,
    ],
    [
        0.568798849629,
        1, 2, 5, true,
    ],
    [
        0.0241472644208,
        5, 1, 2, false,
    ],
    [
        0.8451542547285,
        5, 1, 2, true,
    ],
    [
        0.0006669496615,
        65, 2, 1, false,
    ],
    [
        0.9126295943339,
        65, 2, 1, true,
    ],
    [
        4.7306581130012E-6,
        65, 8, 5, false,
    ],
    [
        0.9998747923834,
        65, 8, 5, true,
    ],
    [
        0.0017323823929,
        7.5, 13, 8, false,
    ],
    [
        0.9961476916638,
        7.5, 13, 8, true,
    ],
    [
        '#VALUE!',
        'NAN', 13, 8, true,
    ],
    [
        '#VALUE!',
        7.5, 'NAN', 8, true,
    ],
    'too many arguments' => [
        'exception',
        7.5, 13, 'NAN', 8, false,
    ],
    [
        '#NUM!',
        -7.5, 13, 8, true,
    ],
    [
        '#NUM!',
        7.5, 0, 8, true,
    ],
    [
        '#NUM!',
        7.5, 13, 0, true,
    ],
    // Large degrees of freedom; pdf references from mpmath (50-digit)
    'pdf df=300/300' => [
        3.4520635814271063,
        1, 300, 300, false,
    ],
    'pdf df=200/150' => [
        0.056109515617919103,
        1.5, 200, 150, false,
    ],
    'pdf df=500/500' => [
        3.63067452308676E-13,
        2, 500, 500, false,
    ],
    'pdf df=400/400' => [
        4.68990600023705E-10,
        0.5, 400, 400, false,
    ],
    'pdf df=340/1' => [
        0.24161532091192295,
        1, 340, 1, false,
    ],
    'pdf at 0, u=1' => [
        '#NUM!',
        0, 1, 5, false,
    ],
    'pdf at 0, u=2' => [
        1.0,
        0, 2, 5, false,
    ],
    'pdf at 0, u=3' => [
        0.0,
        0, 3, 5, false,
    ],
];