Generic package: Util.Fixed

Description

Copyright © 2001, 2002 by Thomas Wolf.
This piece of software is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This software is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License with this distribution, see file "GPL.txt". If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
As a special exception from the GPL, if other files instantiate generics from this unit, or you link this unit with other files to produce an executable, this unit does not by itself cause the resulting executable to be covered by the GPL. This exception does not however invalidate any other reasons why the executable file might be covered by the GPL.

Version: 1.1

Author:
Thomas Wolf (TW) <twolf AT acm DOT org>
Purpose:
Floor, Ceiling, Truncation and Fraction for arbitrary fixed-point values. Any of these may raise Constraint_Error if the result isn't in the range of type Fixed_Point.
Tasking Semantics
Fully task-safe.
Storage Semantics
No dynamic storage allocation.

Header

generic
   type Fixed_Point is delta <>;
package Util.Fixed is
 
pragma Pure;

Other Items:

function Floor
  (X : in Fixed_Point)
  return Fixed_Point;

function Ceiling
  (X : in Fixed_Point)
  return Fixed_Point;

function Fraction
  (X : in Fixed_Point)
  return Fixed_Point;

function Truncated
  (X : in Fixed_Point)
  return Fixed_Point;
end Util.Fixed;