Platform
x64, Win32, .NET
Purpose
To get the absolute value of the argument.
Class
Elemental function.
Syntax
INTEGER FUNCTION ABS(A); INTEGER A REAL FUNCTION ABS(A); REAL A REAL FUNCTION ABS(A); COMPLEX A
Return value
If A is INTEGER or REAL then the return value is A (if A > 0) and -A (if A < 0).
If A is COMPLEX and A = (x, y) then the return value is .