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<?php
namespace Bavix\Wallet\Interfaces;
interface Mathable
{
/**
* @param int|float|string $first
* @param int|float|string $second
* @param int|null $scale
*
* @return string
*/
public function add($first, $second, ?int $scale = null): string;
/**
* @param int|float|string $first
* @param int|float|string $second
* @param int|null $scale
*
* @return string
*/
public function sub($first, $second, ?int $scale = null): string;
/**
* @param int|float|string $first
* @param int|float|string $second
* @param int|null $scale
*
* @return string
*/
public function div($first, $second, ?int $scale = null): string;
/**
* @param int|float|string $first
* @param int|float|string $second
* @param int|null $scale
*
* @return string
*/
public function mul($first, $second, ?int $scale = null): string;
/**
* @param int|float|string $first
* @param int|string $second
* @param int|null $scale
*
* @return string
*/
public function pow($first, $second, ?int $scale = null): string;
/**
* @param int|float|string $number
* @param int $precision
* @return string
*/
public function round($number, int $precision = 0): string;
/**
* @param int|float|string $number
*
* @return string
*/
public function floor($number): string;
/**
* @param int|float|string $number
* @return string
*/
public function ceil($number): string;
/**
* @param int|float|string $number
*
* @return string
*/
public function abs($number): string;
/**
* @param int|float|string $number
*
* @return string
*/
public function negative($number): string;
/**
* @param int|float|string $first
* @param int|float|string $second
*
* @return int
*/
public function compare($first, $second): int;
}