ObjFW  Diff

/**
 * \return The OFNumber as a double
 */
- (double)asDouble;

/**
 * Adds the specified OFNumber to the OFNumber.
 *
 * \param num The OFNumber to add
 * \return The OFNumber added with the specified OFNumber
 */
- add: (OFNumber*)num;

/**
 * Subtracts the specified OFNumber from the OFNumber.
 *
 * \param num The OFNumber to substract
 * \return The OFNumber subtracted by the specified OFNumber
 */
- subtract: (OFNumber*)num;

/**
 * Multiplies the OFNumber with the specified OFNumber.
 *
 * \param num The OFNumber to multiply with
 * \return The OFNumber multiplied with the specified OFNumber
 */
- multiplyWith: (OFNumber*)num;

/**
 * Divides the OFNumber by the specified OFNumber.
 *
 * \param num The OFNumber to divide by
 * \return The OFNumber devided by the specified OFNumber
 */
- divideBy: (OFNumber*)num;

/**
 * Increases the OFNumber by 1.
 * \return The OFNumber increased by one.
 */
- increase;

/**
 * Decreases the OFNumber by 1.
 * \return The OFNumber decreased by one.
 */
- decrease;
@end