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<?php
/**
*
*/
class Number extends \Decimal\Number
{
protected $value;
private static function parse($number)
{
$value = $number instanceof self ? $number->value : $number;
if ($value === "INF") $value = INF;
else if ($value === "-INF") $value = -INF;
else if ($value === "NAN") $value = NAN;
return $value;
}
protected function __construct($value)
{
$this->value = self::parse($value);
}
public static function valueOf($value): \Decimal\Number
{
return new static($value);
}
public function add($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value + $this->parse($other));
}
public function sub($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value - $this->parse($other));
}
public function mul($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value * $this->parse($other));
}
public function div($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value / $this->parse($other));
}
public function pow($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value ** $this->parse($other));
}
public function mod($other): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value % $this->parse($other));
}
public function shiftl($places): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value * (10 ** $places));
}
public function shiftr($places): \Decimal\Number
{
printf("%s\n", __METHOD__);
return new static($this->value / (10 ** $places));
}
public function round(int $places = NULL, int $mode = NULL): \Decimal\Number
{
return new static($this->toDecimal(\Decimal\Decimal::MAX_PRECISION)->round($places, $mode)->toString());
}
public function toFixed(int $places = NULL, bool $commas = NULL, int $mode = NULL): string
{
return new static($this->toDecimal(\Decimal\Decimal::MAX_PRECISION)->toFixed($places, $commas, $mode));
}
public function toDecimal(int $precision): \Decimal\Decimal
{
printf("%s\n", __METHOD__);
return parent::toDecimal($precision);
}
public function toRational(): \Decimal\Rational
{
printf("%s\n", __METHOD__);
return parent::toRational();
}
public function toString(): string
{
return (string) $this->value;
}
public function toInt(): int
{
return (int) $this->value;
}
public function toFloat(): float
{
return (float) $this->value;
}
public function compareTo($other): int
{
printf("%s\n", __METHOD__);
return $this->value <=> self::parse($other);
}
}
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