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Diffstat (limited to 'gcc-4.2.1/gcc/ada/a-nudira.ads')
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diff --git a/gcc-4.2.1/gcc/ada/a-nudira.ads b/gcc-4.2.1/gcc/ada/a-nudira.ads deleted file mode 100644 index c6b2b3e9f..000000000 --- a/gcc-4.2.1/gcc/ada/a-nudira.ads +++ /dev/null @@ -1,116 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . N U M E R I C S . D I S C R E T E _ R A N D O M -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2005, 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 contents of the part following the private keyword. -- --- -- --- 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, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, 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. -- --- -- ------------------------------------------------------------------------------- - --- Note: the implementation used in this package was contributed by Robert --- Eachus. It is based on the work of L. Blum, M. Blum, and M. Shub, SIAM --- Journal of Computing, Vol 15. No 2, May 1986. The particular choices for P --- and Q chosen here guarantee a period of 562,085,314,430,582 (about 2**49), --- and the generated sequence has excellent randomness properties. For further --- details, see the paper "Fast Generation of Trustworthy Random Numbers", by --- Robert Eachus, which describes both the algorithm and the efficient --- implementation approach used here. - -with Interfaces; - -generic - type Result_Subtype is (<>); - -package Ada.Numerics.Discrete_Random is - - -- The algorithm used here is reliable from a required statistical point of - -- view only up to 48 bits. We try to behave reasonably in the case of - -- larger types, but we can't guarantee the required properties. So - -- generate a warning for these (slightly) dubious cases. - - pragma Compile_Time_Warning - (Result_Subtype'Size > 48, - "statistical properties not guaranteed for size '> 48"); - - -- Basic facilities - - type Generator is limited private; - - function Random (Gen : Generator) return Result_Subtype; - - procedure Reset (Gen : Generator); - procedure Reset (Gen : Generator; Initiator : Integer); - - -- Advanced facilities - - type State is private; - - procedure Save (Gen : Generator; To_State : out State); - procedure Reset (Gen : Generator; From_State : State); - - Max_Image_Width : constant := 80; - - function Image (Of_State : State) return String; - function Value (Coded_State : String) return State; - -private - subtype Int is Interfaces.Integer_32; - subtype Rst is Result_Subtype; - - -- We prefer to use 14 digits for Flt, but some targets are more limited - - type Flt is digits Positive'Min (14, Long_Long_Float'Digits); - - RstF : constant Flt := Flt (Rst'Pos (Rst'First)); - RstL : constant Flt := Flt (Rst'Pos (Rst'Last)); - - Offs : constant Flt := RstF - 0.5; - - K1 : constant := 94_833_359; - K1F : constant := 94_833_359.0; - K2 : constant := 47_416_679; - K2F : constant := 47_416_679.0; - Scal : constant Flt := (RstL - RstF + 1.0) / (K1F * K2F); - - type State is record - X1 : Int := Int (2999 ** 2); - X2 : Int := Int (1439 ** 2); - P : Int := K1; - Q : Int := K2; - FP : Flt := K1F; - Scl : Flt := Scal; - end record; - - type Generator is limited record - Gen_State : State; - end record; - -end Ada.Numerics.Discrete_Random; |