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Diffstat (limited to 'gcc-4.8.3/gcc/ada/a-ngelfu.ads')
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diff --git a/gcc-4.8.3/gcc/ada/a-ngelfu.ads b/gcc-4.8.3/gcc/ada/a-ngelfu.ads new file mode 100644 index 000000000..9f7d3a3a1 --- /dev/null +++ b/gcc-4.8.3/gcc/ada/a-ngelfu.ads @@ -0,0 +1,179 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- ADA.NUMERICS.GENERIC_ELEMENTARY_FUNCTIONS -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2012, Free Software Foundation, Inc. -- +-- -- +-- This specification is derived from the Ada Reference Manual for use with -- +-- GNAT. The copyright notice above, and the license provisions that follow -- +-- apply solely to the Post aspects that have been added to the spec. -- +-- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +generic + type Float_Type is digits <>; + +package Ada.Numerics.Generic_Elementary_Functions is + pragma Pure; + + function Sqrt (X : Float_Type'Base) return Float_Type'Base + with + Post => Sqrt'Result >= 0.0 + and then (if X = 0.0 then Sqrt'Result = 0.0) + and then (if X = 1.0 then Sqrt'Result = 1.0); + + function Log (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 1.0 then Log'Result = 0.0); + + function Log (X, Base : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 1.0 then Log'Result = 0.0); + + function Exp (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Exp'Result = 1.0); + + function "**" (Left, Right : Float_Type'Base) return Float_Type'Base + with + Post => "**"'Result >= 0.0 + and then (if Right = 0.0 then "**"'Result = 1.0) + and then (if Right = 1.0 then "**"'Result = Left) + and then (if Left = 1.0 then "**"'Result = 1.0) + and then (if Left = 0.0 then "**"'Result = 0.0); + + function Sin (X : Float_Type'Base) return Float_Type'Base + with + Post => Sin'Result in -1.0 .. 1.0 + and then (if X = 0.0 then Sin'Result = 0.0); + + function Sin (X, Cycle : Float_Type'Base) return Float_Type'Base + with + Post => Sin'Result in -1.0 .. 1.0 + and then (if X = 0.0 then Sin'Result = 0.0); + + function Cos (X : Float_Type'Base) return Float_Type'Base + with + Post => Cos'Result in -1.0 .. 1.0 + and then (if X = 0.0 then Cos'Result = 1.0); + + function Cos (X, Cycle : Float_Type'Base) return Float_Type'Base + with + Post => Cos'Result in -1.0 .. 1.0 + and then (if X = 0.0 then Cos'Result = 1.0); + + function Tan (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Tan'Result = 0.0); + + function Tan (X, Cycle : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Tan'Result = 0.0); + + function Cot (X : Float_Type'Base) return Float_Type'Base; + + function Cot (X, Cycle : Float_Type'Base) return Float_Type'Base; + + function Arcsin (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Arcsin'Result = 0.0); + + function Arcsin (X, Cycle : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Arcsin'Result = 0.0); + + function Arccos (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 1.0 then Arccos'Result = 0.0); + + function Arccos (X, Cycle : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 1.0 then Arccos'Result = 0.0); + + function Arctan + (Y : Float_Type'Base; + X : Float_Type'Base := 1.0) + return Float_Type'Base + with + Post => (if X > 0.0 and Y = 0.0 then Arctan'Result = 0.0); + + function Arctan + (Y : Float_Type'Base; + X : Float_Type'Base := 1.0; + Cycle : Float_Type'Base) + return Float_Type'Base + with + Post => (if X > 0.0 and Y = 0.0 then Arctan'Result = 0.0); + + function Arccot + (X : Float_Type'Base; + Y : Float_Type'Base := 1.0) + return Float_Type'Base + with + Post => (if X > 0.0 and Y = 0.0 then Arccot'Result = 0.0); + + function Arccot + (X : Float_Type'Base; + Y : Float_Type'Base := 1.0; + Cycle : Float_Type'Base) + return Float_Type'Base + with + Post => (if X > 0.0 and Y = 0.0 then Arccot'Result = 0.0); + + function Sinh (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Sinh'Result = 0.0); + + function Cosh (X : Float_Type'Base) return Float_Type'Base + with + Post => Cosh'Result >= 1.0 + and then (if X = 0.0 then Cosh'Result = 1.0); + + function Tanh (X : Float_Type'Base) return Float_Type'Base + with + Post => Tanh'Result in -1.0 .. 1.0 + and then (if X = 0.0 then Tanh'Result = 0.0); + + function Coth (X : Float_Type'Base) return Float_Type'Base + with + Post => abs Coth'Result >= 1.0; + + function Arcsinh (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Arcsinh'Result = 0.0); + + function Arccosh (X : Float_Type'Base) return Float_Type'Base + with + Post => Arccosh'Result >= 0.0 + and then (if X = 1.0 then Arccosh'Result = 0.0); + + function Arctanh (X : Float_Type'Base) return Float_Type'Base + with + Post => (if X = 0.0 then Arctanh'Result = 0.0); + + function Arccoth (X : Float_Type'Base) return Float_Type'Base; + +end Ada.Numerics.Generic_Elementary_Functions; |