File : s-lisisq-ada.ads
1 -----------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- S Y S T E M . L I B M _ S I N G L E . S Q R T --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2014-2015, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- This is the Ada Cert Math specific implementation of sqrt for IEEE 32 bit
33
34 with System.Libm_Prefix;
35 package System.Libm_Single.Squareroot is
36 pragma Pure;
37
38 package SLP renames System.Libm_Prefix;
39
40 function Sqrt (X : Float) return Float
41 with Export, Convention => C, External_Name => SLP.Prefix & "sqrtf";
42 -- The Sqrt function returns the following special values:
43 -- C99 special values:
44 -- Sqrt (+-0) = +-0
45 -- Sqrt (INF) = INF
46 -- Sqrt (X) = NaN, for X < 0.0
47
48 end System.Libm_Single.Squareroot;