UG LIBRARY : MACRO FUNCTIONS
----------------------------

The UG include file, UG_LIB.h, includes UG library macro function definitions
(from file ug_macro.h). The following macro functions are defined.

  FUNCTION      DESCRIPTION
  --------      -----------
  MAX (x,y)     Return value is maximum value of x and y.
  MIN (x,y)     Return value is Determine minimum value of x and y.
  NINT (x)      Return value is nearest integer to x. The return value is type
                INT_ and the argument x must be type float or double.
