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<?php |
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namespace Bavix\Wallet\Simple; |
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/** |
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* Class BCMath |
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* @package Bavix\Wallet\Simple |
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*/ |
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class BCMath extends Math |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function add($first, $second, ?int $scale = null): string |
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{ |
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return bcadd($first, $second, $this->scale($scale)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sub($first, $second, ?int $scale = null): string |
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{ |
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return bcsub($first, $second, $this->scale($scale)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function div($first, $second, ?int $scale = null): string |
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{ |
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return bcdiv($first, $second, $this->scale($scale)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function mul($first, $second, ?int $scale = null): string |
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{ |
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return bcmul($first, $second, $this->scale($scale)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function pow($first, $second, ?int $scale = null): string |
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{ |
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return bcpow($first, $second, $this->scale($scale)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function ceil($number): string |
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{ |
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if (strpos($number, '.') === false) { |
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return $number; |
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} |
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if (preg_match("~\.[0]+$~", $number)) { |
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return $this->round($number, 0); |
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} |
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if ($this->isNegative($number)) { |
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return bcsub($number, 0, 0); |
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} |
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return bcadd($number, 1, 0); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function floor($number): string |
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{ |
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if (strpos($number, '.') === false) { |
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return $number; |
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} |
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if (preg_match("~\.[0]+$~", $number)) { |
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return $this->round($number, 0); |
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} |
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if ($this->isNegative($number)) { |
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return bcsub($number, 1, 0); |
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} |
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return bcadd($number, 0, 0); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function round($number, int $precision = 0): string |
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{ |
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if (strpos($number, '.') === false) { |
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return $number; |
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} |
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if ($this->isNegative($number)) { |
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return bcsub($number, '0.' . str_repeat('0', $precision) . '5', $precision); |
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} |
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return bcadd($number, '0.' . str_repeat('0', $precision) . '5', $precision); |
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} |
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/** |
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* @param float|int|string $number |
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* @return string |
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*/ |
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public function abs($number): string |
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{ |
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if (!preg_match('~^-?\d*(\.\d*)?$~', $number, $matches)) { |
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return 0; |
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} |
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$digits = $matches[0] ?? '0'; |
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$division = $matches[1] ?? '.'; |
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if ($digits === '.' && $division === '.') { |
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return 0; |
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} |
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if ($this->isNegative($number)) { |
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return substr($number, 1); |
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} |
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return $number; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function compare($first, $second): int |
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{ |
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return bccomp($first, $second, $this->scale()); |
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} |
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/** |
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* @param $number |
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* @return bool |
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*/ |
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protected function isNegative($number): bool |
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{ |
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return strpos($number, '-') === 0; |
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} |
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} |
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