<?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:----Nzc3ODMxOTQyNjM4ODU2NCA2Mjc3OTM3NDYyMjgzNDQzIDUyNjg3NTc2NTQyNDk4Mg==