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                <?php
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                namespace Samsara\Fermat\Provider;
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                class ArithmeticProvider
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                {
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                    public static function add($number1, $number2)
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                    {
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                        return bcadd($number1, $number2);
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                    }
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                    public static function subtract($left, $right)
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                    {
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                        return bcsub($left, $right);
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                    }
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                    public static function multiply($number1, $number2)
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                    {
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                        return bcmul($number1, $number2);
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                    }
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                    public static function divide($numerator, $denominator, $precision = null)
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                    {
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                        return bcdiv($numerator, $denominator, $precision);
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                    }
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                    public static function pow($base, $exponent)
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                    {
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                        return bcpow($base, $exponent);
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                    }
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                    public static function squareRoot($number, $precision = null)
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                    {
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                        return bcsqrt($number, $precision);
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                    }
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                    public static function modulo($number, $modulo)
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                    {
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                        return bcmod($number, $modulo);
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                    }
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                    public static function compare($left, $right, $scale = null)
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                    {
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                        return bccomp($left, $right, $scale);
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                    }
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                    public static function powmod($left, $right, $modulus, $scale = null)
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                    {
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                        return bcpowmod($left, $right, $modulus, $scale);
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                    }
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                    public static function factorial($number)
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                    {
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                        for ($x = 1; $number > 0; $number--) {
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                            $x = bcmul($x, $number);
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                        }
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                        return $x;
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                    }
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                }  |