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author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/gcc/ada/a-nudira.ads | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
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Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/gcc/ada/a-nudira.ads')
-rw-r--r-- | gcc-4.7/gcc/ada/a-nudira.ads | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc-4.7/gcc/ada/a-nudira.ads b/gcc-4.7/gcc/ada/a-nudira.ads new file mode 100644 index 000000000..385f33619 --- /dev/null +++ b/gcc-4.7/gcc/ada/a-nudira.ads @@ -0,0 +1,73 @@ +------------------------------------------------------------------------------ +-- -- +-- 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) 1992-2010, 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 is a version of the +-- Mersenne Twister. See s-rannum.adb for details and references. + +with System.Random_Numbers; + +generic + type Result_Subtype is (<>); + +package Ada.Numerics.Discrete_Random is + + -- Basic facilities + + type Generator is limited private; + + function Random (Gen : Generator) return Result_Subtype; + + procedure Reset (Gen : Generator; Initiator : Integer); + procedure Reset (Gen : Generator); + + -- 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 := System.Random_Numbers.Max_Image_Width; + + function Image (Of_State : State) return String; + function Value (Coded_State : String) return State; + +private + + type Generator is new System.Random_Numbers.Generator; + + type State is new System.Random_Numbers.State; + +end Ada.Numerics.Discrete_Random; |