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author | Dan Albert <danalbert@google.com> | 2016-02-04 18:51:25 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2016-02-04 18:51:25 +0000 |
commit | edbbe53c4ffa154a5f9ae3f89ba8105993d8800e (patch) | |
tree | 4cedb380a14027d9c4d1e531c2340c43cbd79175 /gcc-4.8.1/gcc/ada/s-fore.adb | |
parent | a4ca82cac69c3147143d7b4b4d7cdeb5e02f20ef (diff) | |
parent | 3186be22b6598fbd467b126347d1c7f48ccb7f71 (diff) | |
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Merge "Check in a pristine copy of GCC 4.8.1."
Diffstat (limited to 'gcc-4.8.1/gcc/ada/s-fore.adb')
-rw-r--r-- | gcc-4.8.1/gcc/ada/s-fore.adb | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc-4.8.1/gcc/ada/s-fore.adb b/gcc-4.8.1/gcc/ada/s-fore.adb new file mode 100644 index 000000000..5d5a2836e --- /dev/null +++ b/gcc-4.8.1/gcc/ada/s-fore.adb @@ -0,0 +1,56 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . F O R E -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2009 Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +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; |