<?php

namespace {
    use JetBrains\PhpStorm\Internal\LanguageLevelTypeAware;
    use JetBrains\PhpStorm\Internal\PhpStormStubsElementAvailable;
    use JetBrains\PhpStorm\Pure;

    /**
     * Add two arbitrary precision numbers
     * @link https://php.net/manual/en/function.bcadd.php
     * @param string $num1 <p>
     * The left operand, as a string.
     * </p>
     * @param string $num2 <p>
     * The right operand, as a string.
     * </p>
     * @param int|null $scale <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string The sum of the two operands, as a string.
     */
    #[Pure]
    function bcadd(string $num1, string $num2, ?int $scale = null): string {}

    /**
     * Subtract one arbitrary precision number from another
     * @link https://php.net/manual/en/function.bcsub.php
     * @param string $num1 <p>
     * The left operand, as a string.
     * </p>
     * @param string $num2 <p>
     * The right operand, as a string.
     * </p>
     * @param int|null $scale <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string The result of the subtraction, as a string.
     */
    #[Pure]
    function bcsub(string $num1, string $num2, ?int $scale = null): string {}

    /**
     * Multiply two arbitrary precision numbers
     * @link https://php.net/manual/en/function.bcmul.php
     * @param string $num1 <p>
     * The left operand, as a string.
     * </p>
     * @param string $num2 <p>
     * The right operand, as a string.
     * </p>
     * @param int|null $scale <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string the result as a string.
     */
    #[Pure]
    function bcmul(string $num1, string $num2, ?int $scale = null): string {}

    /**
     * Divide two arbitrary precision numbers
     * @link https://php.net/manual/en/function.bcdiv.php
     * @param string $num1 <p>
     * The dividend, as a string.
     * </p>
     * @param string $num2 <p>
     * The divisor, as a string.
     * </p>
     * @param int|null $scale [optional] <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string|null the result of the division as a string, or <b>NULL</b> if
     * <i>divisor</i> is 0.
     */
    #[Pure]
    #[PhpStormStubsElementAvailable(to: '7.4')]
    function bcdiv(string $num1, string $num2, ?int $scale = 0): ?string {}

    /**
     * Divide two arbitrary precision numbers
     * @link https://php.net/manual/en/function.bcdiv.php
     * @param string $num1 <p>
     * The dividend, as a string.
     * </p>
     * @param string $num2 <p>
     * The divisor, as a string.
     * </p>
     * @param int|null $scale [optional] <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string the result of the division as a string.
     * @throws \DivisionByZeroError if <i>divisor</i> is 0. Available since PHP 8.0.
     */
    #[Pure]
    #[PhpStormStubsElementAvailable('8.0')]
    function bcdiv(string $num1, string $num2, ?int $scale = null): string {}

    /**
     * Get modulus of an arbitrary precision number
     * @link https://php.net/manual/en/function.bcmod.php
     * @param string $num1 <p>
     * The dividend, as a string. Since PHP 7.2, the divided is no longer truncated to an integer.
     * </p>
     * @param string $num2 <p>
     * The divisor, as a string. Since PHP 7.2, the divisor is no longer truncated to an integer.
     * </p>
     * @param int|null $scale [optional] <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set. Available since PHP 7.2.
     * </p>
     * @return string|null the modulus as a string, or <b>NULL</b> if
     * <i>divisor</i> is 0.
     */
    #[Pure]
    #[PhpStormStubsElementAvailable(to: '7.4')]
    function bcmod(string $num1, string $num2, ?int $scale = 0): ?string {}

    /**
     * Get modulus of an arbitrary precision number
     * @link https://php.net/manual/en/function.bcmod.php
     * @param string $num1 <p>
     * The dividend, as a string. Since PHP 7.2, the divided is no longer truncated to an integer.
     * </p>
     * @param string $num2 <p>
     * The divisor, as a string. Since PHP 7.2, the divisor is no longer truncated to an integer.
     * </p>
     * @param int|null $scale [optional] <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set. Available since PHP 7.2.
     * </p>
     * @return string the modulus as a string.
     * @throws \DivisionByZeroError if <i>divisor</i> is 0. Available since PHP 8.0.
     */
    #[Pure]
    #[PhpStormStubsElementAvailable('8.0')]
    function bcmod(string $num1, string $num2, ?int $scale = null): string {}

    /**
     * Raise an arbitrary precision number to another
     * @link https://php.net/manual/en/function.bcpow.php
     * @param string $num <p>
     * The base, as a string.
     * </p>
     * @param string $exponent <p>
     * The exponent, as a string. If the exponent is non-integral, it is truncated.
     * The valid range of the exponent is platform specific, but is at least
     * -2147483648 to 2147483647.
     * </p>
     * @param int|null $scale <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string the result as a string.
     */
    #[Pure]
    function bcpow(string $num, string $exponent, ?int $scale = null): string {}

    /**
     * Get the square root of an arbitrary precision number
     * @link https://php.net/manual/en/function.bcsqrt.php
     * @param string $num <p>
     * The operand, as a string.
     * </p>
     * @param int|null $scale [optional]
     * @return string|null the square root as a string, or <b>NULL</b> if
     * <i>operand</i> is negative.
     */
    #[Pure]
    #[LanguageLevelTypeAware(["8.0" => "string"], default: "string|null")]
    function bcsqrt(string $num, ?int $scale) {}

    /**
     * Set default scale parameter for all bc math functions
     * @link https://php.net/manual/en/function.bcscale.php
     * @param int $scale
     * @return int|bool
     */
    #[LanguageLevelTypeAware(['7.3' => 'int'], default: 'bool')]
    function bcscale(
        #[PhpStormStubsElementAvailable(from: '5.3', to: '7.2')] int                                                   $scale,
        #[PhpStormStubsElementAvailable(from: '7.3')] #[LanguageLevelTypeAware(['8.0' => 'int|null'], default: 'int')] $scale = null
    ) {}

    /**
     * Compare two arbitrary precision numbers
     * @link https://php.net/manual/en/function.bccomp.php
     * @param string $num1 <p>
     * The left operand, as a string.
     * </p>
     * @param string $num2 <p>
     * The right operand, as a string.
     * </p>
     * @param int|null $scale <p>
     * The optional <i>scale</i> parameter is used to set the
     * number of digits after the decimal place which will be used in the
     * comparison.
     * </p>
     * @return int 0 if the two operands are equal, 1 if the
     * <i>left_operand</i> is larger than the
     * <i>right_operand</i>, -1 otherwise.
     */
    #[Pure]
    function bccomp(string $num1, string $num2, ?int $scale = null): int {}

    /**
     * Raise an arbitrary precision number to another, reduced by a specified modulus
     * @link https://php.net/manual/en/function.bcpowmod.php
     * @param string $num <p>
     * The base, as an integral string (i.e. the scale has to be zero).
     * </p>
     * @param string $exponent <p>
     * The exponent, as an non-negative, integral string (i.e. the scale has to be
     * zero).
     * </p>
     * @param string $modulus <p>
     * The modulus, as an integral string (i.e. the scale has to be zero).
     * </p>
     * @param int|null $scale <p>
     * This optional parameter is used to set the number of digits after the
     * decimal place in the result. If omitted, it will default to the scale
     * set globally with the {@link bcscale()} function, or fallback to 0 if
     * this has not been set.
     * </p>
     * @return string|null the result as a string, or <b>NULL</b> if <i>modulus</i>
     * is 0 or <i>exponent</i> is negative.
     */
    #[Pure]
    #[LanguageLevelTypeAware(["8.0" => "string"], default: "string|null")]
    function bcpowmod(string $num, string $exponent, string $modulus, ?int $scale = null) {}

    /**
     * @since 8.4
     */
    function bcfloor(string $num): string {}

    /**
     * @since 8.4
     */
    function bcceil(string $num): string {}

    /**
     * @since 8.4
     */
    function bcround(string $num, int $precision = 0, RoundingMode $mode = RoundingMode::HalfAwayFromZero): string {}

    /**
     * @return string[]
     */
    function bcdivmod(string $num1, string $num2, ?int $scale = null): array {}
}

namespace BcMath {
    /**
     * @since 8.4
     */
    final readonly class Number implements \Stringable
    {
        public readonly string $value;
        public readonly int $scale;

        public function __construct(string|int $num) {}

        public function add(Number|string|int $num, ?int $scale = null): Number {}

        public function sub(Number|string|int $num, ?int $scale = null): Number {}

        public function mul(Number|string|int $num, ?int $scale = null): Number {}

        public function div(Number|string|int $num, ?int $scale = null): Number {}

        public function mod(Number|string|int $num, ?int $scale = null): Number {}

        /** @return Number[] */
        public function divmod(Number|string|int $num, ?int $scale = null): array {}

        public function powmod(Number|string|int $exponent, Number|string|int $modulus, ?int $scale = null): Number {}

        public function pow(Number|string|int $exponent, ?int $scale = null): Number {}

        public function sqrt(?int $scale = null): Number {}

        public function floor(): Number {}

        public function ceil(): Number {}

        public function round(int $precision = 0, \RoundingMode $mode = \RoundingMode::HalfAwayFromZero): Number {}

        public function compare(Number|string|int $num, ?int $scale = null): int {}

        public function __toString(): string {}

        public function __serialize(): array {}

        public function __unserialize(array $data): void {}
    }
}
