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Diffstat (limited to 'gcc/ada/a-numaux-libc-x86.ads')
| -rw-r--r-- | gcc/ada/a-numaux-libc-x86.ads | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gcc/ada/a-numaux-libc-x86.ads b/gcc/ada/a-numaux-libc-x86.ads new file mode 100644 index 00000000000..0f84a9fe053 --- /dev/null +++ b/gcc/ada/a-numaux-libc-x86.ads @@ -0,0 +1,108 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- A D A . N U M E R I C S . A U X -- +-- -- +-- S p e c -- +-- (C Library Version for x86) -- +-- -- +-- Copyright (C) 1992-2003 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, 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 GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package provides the basic computational interface for the generic +-- elementary functions. The C library version interfaces with the routines +-- in the C mathematical library, and is thus quite portable, although it may +-- not necessarily meet the requirements for accuracy in the numerics annex. +-- One advantage of using this package is that it will interface directly to +-- hardware instructions, such as the those provided on the Intel x86. + +-- Note: there are two versions of this package. One using the 80-bit x86 +-- long double format (which is this version), and one using 64-bit IEEE +-- double (see file a-numaux.ads). + +package Ada.Numerics.Aux is +pragma Pure (Aux); + + pragma Linker_Options ("-lm"); + + type Double is digits 18; + + -- We import these functions directly from C. Note that we label them + -- all as pure functions, because indeed all of them are in fact pure! + + function Sin (X : Double) return Double; + pragma Import (C, Sin, "sinl"); + pragma Pure_Function (Sin); + + function Cos (X : Double) return Double; + pragma Import (C, Cos, "cosl"); + pragma Pure_Function (Cos); + + function Tan (X : Double) return Double; + pragma Import (C, Tan, "tanl"); + pragma Pure_Function (Tan); + + function Exp (X : Double) return Double; + pragma Import (C, Exp, "expl"); + pragma Pure_Function (Exp); + + function Sqrt (X : Double) return Double; + pragma Import (C, Sqrt, "sqrtl"); + pragma Pure_Function (Sqrt); + + function Log (X : Double) return Double; + pragma Import (C, Log, "logl"); + pragma Pure_Function (Log); + + function Acos (X : Double) return Double; + pragma Import (C, Acos, "acosl"); + pragma Pure_Function (Acos); + + function Asin (X : Double) return Double; + pragma Import (C, Asin, "asinl"); + pragma Pure_Function (Asin); + + function Atan (X : Double) return Double; + pragma Import (C, Atan, "atanl"); + pragma Pure_Function (Atan); + + function Sinh (X : Double) return Double; + pragma Import (C, Sinh, "sinhl"); + pragma Pure_Function (Sinh); + + function Cosh (X : Double) return Double; + pragma Import (C, Cosh, "coshl"); + pragma Pure_Function (Cosh); + + function Tanh (X : Double) return Double; + pragma Import (C, Tanh, "tanhl"); + pragma Pure_Function (Tanh); + + function Pow (X, Y : Double) return Double; + pragma Import (C, Pow, "powl"); + pragma Pure_Function (Pow); + +end Ada.Numerics.Aux; |