<?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:----Mzg5Njg3NTk0OTc5ODM3IDk5Mjc1ODgzNjk1NDc3NDAgNTYwNDU2MzM5NTYxNzU1NA==