public function testString()
{
// Arrange
$value = '0.0000000000000009';
// Act
$result = Utils::convertExponentialToString($value);
// Assert
$this->assertEquals('0.0000000000000009', $result);
}
/**
* A helper method to set the value on this class.
*
* @param int|string|BigNumber $value The value to assign.
* @return BigNumber
*/
private function internalSetValue($value)
{
if (is_float($value)) {
$valueToSet = Utils::convertExponentialToString($value);
} else {
$valueToSet = (string) $value;
}
if (!is_numeric($valueToSet)) {
throw new InvalidArgumentException('Invalid number provided: ' . $valueToSet);
}
// We use a slick trick to make sure the scale is respected.
$this->value = bcadd(0, $valueToSet, $this->getScale());
return $this;
}
