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/test/language/gc/aux_agent_gc4.e

http://github.com/tybor/Liberty
Specman e | 59 lines | 28 code | 10 blank | 21 comment | 0 complexity | aa58ad2c33fea24407b692bb16a11678 MD5 | raw file
 1-- This file is part of SmartEiffel The GNU Eiffel Compiler Tools and Libraries.
 2-- See the Copyright notice at the end of this file.
 3--
 4expanded class AUX_AGENT_GC4
 5
 6feature {ANY}
 7   im: INTEGER 139968
 8
 9   ia: INTEGER 3877
10
11   ic: INTEGER 29573
12
13   inv_im: REAL
14      once
15         Result := 1.0 / im
16      end
17
18   last_integer: INTEGER
19
20   next
21      do
22         last_integer := (last_integer #* ia + ic) #\\ im
23      end
24
25   last_real: REAL
26      do
27         Result := inv_im * last_integer
28      end
29
30   test (chance: REAL): BOOLEAN
31      do
32         next
33         Result := last_real > chance
34      end
35
36   set_seed (seed: INTEGER)
37      do
38         last_integer := seed
39      end
40
41end -- class AUX_AGENT_GC4
42--
43-- ------------------------------------------------------------------------------------------------------------------------------
44-- Copyright notice below. Please read.
45--
46-- SmartEiffel is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,
47-- as published by the Free Software Foundation; either version 2, or (at your option) any later version.
48-- SmartEiffel is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty
49-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have
50-- received a copy of the GNU General Public License along with SmartEiffel; see the file COPYING. If not, write to the Free
51-- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
52--
53-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
54-- Copyright(C) 2003-2006: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
55--
56-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
57--
58-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
59-- ------------------------------------------------------------------------------------------------------------------------------