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Diffstat (limited to 'gcc-4.4.3/gcc/ada/a-nuflra.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/a-nuflra.ads | 99 |
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diff --git a/gcc-4.4.3/gcc/ada/a-nuflra.ads b/gcc-4.4.3/gcc/ada/a-nuflra.ads deleted file mode 100644 index e81842e23..000000000 --- a/gcc-4.4.3/gcc/ada/a-nuflra.ads +++ /dev/null @@ -1,99 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . N U M E R I C S . F L O A T _ R A N D O M -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2009, 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 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. -- --- -- ------------------------------------------------------------------------------- - --- 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; - -package Ada.Numerics.Float_Random is - - -- Basic facilities - - type Generator is limited private; - - subtype Uniformly_Distributed is Float range 0.0 .. 1.0; - - function Random (Gen : Generator) return Uniformly_Distributed; - - 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 - type Int is new Interfaces.Integer_32; - - -- 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); - - K1 : constant := 94_833_359; - K1F : constant := 94_833_359.0; - K2 : constant := 47_416_679; - K2F : constant := 47_416_679.0; - Scal : constant := 1.0 / (K1F * K2F); - - type State is record - X1 : Int := 2999 ** 2; -- Square mod p - X2 : Int := 1439 ** 2; -- Square mod q - P : Int := K1; - Q : Int := K2; - X : Int := 1; - Scl : Flt := Scal; - end record; - - type Generator is limited record - Gen_State : State; - end record; - -end Ada.Numerics.Float_Random; |