gcc/ada/a-numaux-libc-x86.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                     A D A . N U M E R I C S . A U X                      --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                       (C Library Version for x86)                        --
   9 --                                                                          --
  10 --          Copyright (C) 1992-2014, Free Software Foundation, Inc.         --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  18 --                                                                          --
  19 -- As a special exception under Section 7 of GPL version 3, you are granted --
  20 -- additional permissions described in the GCC Runtime Library Exception,   --
  21 -- version 3.1, as published by the Free Software Foundation.               --
  22 --                                                                          --
  23 -- You should have received a copy of the GNU General Public License and    --
  24 -- a copy of the GCC Runtime Library Exception along with this program;     --
  25 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  26 -- <http://www.gnu.org/licenses/>.                                          --
  27 --                                                                          --
  28 -- GNAT was originally developed  by the GNAT team at  New York University. --
  29 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  30 --                                                                          --
  31 ------------------------------------------------------------------------------
  32
  33 --  This version is for the x86 using the 80-bit x86 long double format
  34
  35 package Ada.Numerics.Aux is
  36    pragma Pure;
  37
  38    pragma Linker_Options ("-lm");
  39
  40    type Double is digits 18;
  41
  42    --  We import these functions directly from C. Note that we label them
  43    --  all as pure functions, because indeed all of them are in fact pure.
  44
  45    function Sin (X : Double) return Double;
  46    pragma Import (C, Sin, "sinl");
  47    pragma Pure_Function (Sin);
  48
  49    function Cos (X : Double) return Double;
  50    pragma Import (C, Cos, "cosl");
  51    pragma Pure_Function (Cos);
  52
  53    function Tan (X : Double) return Double;
  54    pragma Import (C, Tan, "tanl");
  55    pragma Pure_Function (Tan);
  56
  57    function Exp (X : Double) return Double;
  58    pragma Import (C, Exp, "expl");
  59    pragma Pure_Function (Exp);
  60
  61    function Sqrt (X : Double) return Double;
  62    pragma Import (C, Sqrt, "sqrtl");
  63    pragma Pure_Function (Sqrt);
  64
  65    function Log (X : Double) return Double;
  66    pragma Import (C, Log, "logl");
  67    pragma Pure_Function (Log);
  68
  69    function Acos (X : Double) return Double;
  70    pragma Import (C, Acos, "acosl");
  71    pragma Pure_Function (Acos);
  72
  73    function Asin (X : Double) return Double;
  74    pragma Import (C, Asin, "asinl");
  75    pragma Pure_Function (Asin);
  76
  77    function Atan (X : Double) return Double;
  78    pragma Import (C, Atan, "atanl");
  79    pragma Pure_Function (Atan);
  80
  81    function Sinh (X : Double) return Double;
  82    pragma Import (C, Sinh, "sinhl");
  83    pragma Pure_Function (Sinh);
  84
  85    function Cosh (X : Double) return Double;
  86    pragma Import (C, Cosh, "coshl");
  87    pragma Pure_Function (Cosh);
  88
  89    function Tanh (X : Double) return Double;
  90    pragma Import (C, Tanh, "tanhl");
  91    pragma Pure_Function (Tanh);
  92
  93    function Pow (X, Y : Double) return Double;
  94    pragma Import (C, Pow, "powl");
  95    pragma Pure_Function (Pow);
  96
  97 end Ada.Numerics.Aux;