/**
* Calculate a mathematical expression that uses pokemath-numbers
*
* @param $expression
*
* @return Number
*/
public function calculate($expression)
{
$translatedExpression = $this->translate($expression);
$result = eval('return ' . $translatedExpression . ';');
$decimalResult = new Number($result);
// this is bad and needs some work
return $decimalResult->convert($this->numberSystem);
}
/**
* Parse the part of an expression.
*
* @param $part
*
* @return Number
*/
protected function parseExpressionPart($part, NumberSystem $sourceSystem, NumberSystem $targetSystem)
{
try {
// if it is a valid number of the source-system convert it
$sourceNumber = new Number($part, $sourceSystem);
return $sourceNumber->convert($targetSystem)->value();
} catch (NumberParseException $e) {
return $part;
}
}
<?php
use gries\NumberSystem\HexadecimalSystem;
use gries\NumberSystem\Number;
require_once __DIR__ . '/../vendor/autoload.php';
$number = new Number(15);
// the default system is decimal
$hexNumber = new Number('FF', new HexadecimalSystem());
echo $number->add($hexNumber)->value();
// 270 (15 + 255)
echo $hexNumber->add($number)->value();
// 10E (F + FF)
/**
* Get all digits of a given number according to
* this number-system.
*
* @param Number $number
*
* @return array
*/
public function getDigits(Number $number)
{
if (null === $this->delimiter) {
return str_split($number->value());
}
return explode($this->delimiter, $number->value());
}
public function __construct($value)
{
parent::__construct($value, new YoloSystem());
}
public function __construct($value)
{
parent::__construct($value, new PokeNumberSystem());
}
