public function setSourceValue($sourceValue)
    {
        if (is_float($sourceValue)) {
            $this->sourceValue = $sourceValue;
        } else {
            $msg = "SourceValue must be a float value, '" . gettype($sourceValue) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setSourceValue($sourceValue)
    {
        if (is_float($sourceValue)) {
            $this->sourceValue = $sourceValue;
        } else {
            $msg = "SourceValue must be a float value, '" . gettype($sourceValue) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setSourceValue ( $ sourceValue ) { if ( is_float ( $ sourceValue ) ) { $ this -> sourceValue = $ sourceValue ; } else { $ msg = "SourceValue must be a float value, '" . gettype ( $ sourceValue ) . "' given." ; throw new InvalidArgumentException ( $ msg ) ; } }
Set the lower bound for the source value to match this entry.

@param float $sourceValue A float value.
@throws \InvalidArgumentException If $sourceValue is not a float.
Set the lower bound for the source value to match this entry .