compare
 compare | 
   
  Purpose
 
 
 Compare 2 values.
 
 
  Synopsis
 
 function compare(arg1:ordered type, arg2:same type as arg1):integer
 
  Arguments
 
 | 
     
     arg1 
       | 
   
     
     First operand for the comparison
       | 
  
| 
     
     arg2 
       | 
   
     
     Second operand for the comparison (same type as
     arg1)
       | 
  
  Return value
 
 
 0 if arguments are identical,
 -1 if the first argument is less than the second argument and
 1 otherwise.
 
  Further information
 
 
  This function is defined for integer, real, string and boolean variables. It is also available for module types that implement the necessary functionality.
 
