<?php

namespace Nette\Utils;

use Nette;

/**
 * Floating-point numbers comparison.
 */
class Floats
{
    use Nette\StaticClass;

    private const Epsilon = 1e-10;

    public static function isZero(float $value): bool
    {
        return abs($value) < self::Epsilon;
    }

    public static function isInteger(float $value): bool
    {
        return abs(round($value) - $value) < self::Epsilon;
    }

    /**
     * Compare two floats. If $a < $b it returns -1, if they are equal it returns 0 and if $a > $b it returns 1
     * @throws \LogicException if one of parameters is NAN
     */
    public static function compare(float $a, float $b): int
    {
        if (is_nan($a) || is_nan($b)) {
            throw new \LogicException('Trying to compare NAN');

        } elseif (!is_finite($a) && !is_finite($b) && $a === $b) {
            return 0;
        }

        $diff = abs($a - $b);
        if (($diff < self::Epsilon || ($diff / max(abs($a), abs($b)) < self::Epsilon))) {
            return 0;
        }

        return $a < $b ? -1 : 1;
    }

    /**
     * Returns true if $a = $b
     * @throws \LogicException if one of parameters is NAN
     */
    public static function areEqual(float $a, float $b): bool
    {
        return self::compare($a, $b) === 0;
    }

    /**
     * Returns true if $a < $b
     * @throws \LogicException if one of parameters is NAN
     */
    public static function isLessThan(float $a, float $b): bool
    {
        return self::compare($a, $b) < 0;
    }

    /**
     * Returns true if $a <= $b
     * @throws \LogicException if one of parameters is NAN
     */
    public static function isLessThanOrEqualTo(float $a, float $b): bool
    {
        return self::compare($a, $b) <= 0;
    }

    /**
     * Returns true if $a > $b
     * @throws \LogicException if one of parameters is NAN
     */
    public static function isGreaterThan(float $a, float $b): bool
    {
        return self::compare($a, $b) > 0;
    }

    /**
     * Returns true if $a >= $b
     * @throws \LogicException if one of parameters is NAN
     */
    public static function isGreaterThanOrEqualTo(float $a, float $b): bool
    {
        return self::compare($a, $b) >= 0;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDkwOTczODI0OTE4ODEyNyA0NTYwODAxMzE2NDI1OTkgOTA3NDY0OTIxMjkzNTI5Nw==