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<?php
namespace Chippyash\Math\Matrix\Traits;
use Chippyash\Type\Number\Rational\RationalTypeFactory;
use Chippyash\Type\Number\Complex\ComplexTypeFactory;
use Chippyash\Type\Interfaces\NumericTypeInterface;
use Chippyash\Matrix\Exceptions\MatrixException;
Trait ConvertNumberToRational
{
protected function convertNumberToRational($value)
{
if($value instanceof NumericTypeInterface) {
return $value->asRational();
}
switch(gettype($value)) {
case 'integer':
return RationalTypeFactory::create($value, 1);
case 'double':
return RationalTypeFactory::fromFloat($value);
case 'string':
try {
return RationalTypeFactory::fromString($value);
} catch (\Exception $e) {
try {
return ComplexTypeFactory::fromString($value)->asRational();
} catch (\Exception $ex) {
throw new MatrixException('The string representation of the number is invalid for a rational');
}
}
case 'NULL':
return RationalTypeFactory::create(0, 1);
case 'boolean':
return RationalTypeFactory::create($value ? 1 : 0, 1);
default:
throw new MatrixException('Rational expects int, float, string, Rational or NumericTypeInterface ');
}
}
}