char sign ( int  num )

inline

Sign value.

Return the sign of the value argument (-1, 0, or 1). Any scalar type can be passed into this function.

Parameters

num	The numeric value for which to calculate its sign value.

Returns

-1 if the parameter is negative, 0 if the parameter is zero, or 1 if the parameter is positive.

Examples:

ex_sign.spc.