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- ------------------------------------------------------------------------------
- -- --
- -- GNAT RUNTIME COMPONENTS --
- -- --
- -- S Y S T E M . F O R E --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.2 $ --
- -- --
- -- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
- -- --
- -- The GNAT library is free software; you can redistribute it and/or modify --
- -- it under terms of the GNU Library General Public License as published by --
- -- the Free Software Foundation; either version 2, or (at your option) any --
- -- later version. The GNAT library 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 --
- -- Library General Public License for more details. You should have --
- -- received a copy of the GNU Library General Public License along with --
- -- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
- -- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
- -- --
- ------------------------------------------------------------------------------
-
- package body System.Fore is
-
- ----------
- -- Fore --
- ----------
-
- function Fore (Lo, Hi : Long_Long_Float) return Natural is
- T : Long_Long_Float := Long_Long_Float'Max (abs Lo, abs Hi);
- R : Natural;
-
- begin
- -- Initial value of 2 allows for sign and mandatory single digit
-
- R := 2;
-
- -- Loop to increase Fore as needed to include full range of values
-
- while T >= 10.0 loop
- T := T / 10.0;
- R := R + 1;
- end loop;
-
- return R;
- end Fore;
- end System.Fore;
-