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Text File | 1997-04-13 | 1.2 KB | 55 lines | [TEXT/ttxt] |
- -- Part of SmallEiffel -- Read DISCLAIMER file -- Copyright (C)
- -- Dominique COLNET and Suzanne COLLIN -- colnet@loria.fr
- --
- class DEMO3
-
- creation make
-
- feature
-
- make is
- local
- rand: GEN_RAND;
- seed, count: INTEGER;
- do
- if argument_count < 2 then
- io.put_string(
- "Usage: demo <seed> <count> [min_stand|std_rand]%N%
- %Examples :%N%
- % demo 234 10 %N%
- % demo 234 10 std_rand%N%
- % demo 234 100 min_stand%N");
- die_with_code(exit_failure_code);
- end;
- seed := argument(1).to_integer;
- count := argument(2).to_integer;
- if argument_count > 2 then
- if argument(3).same_as("MIN_STAND") then
- !MIN_STAND!rand.with_seed(seed);
- io.put_string("Using MIN_STAND%N.");
- else
- !STD_RAND!rand.with_seed(seed);
- io.put_string("Using STD_RAND%N.");
- end;
- else
- !STD_RAND!rand.with_seed(seed);
- io.put_string("Using default STD_RAND%N.");
- end;
- from
- until
- count = 0
- loop
- rand.next;
- io.put_double(rand.last_double);
- count := count - 1;
- io.put_string("%N");
- end;
- end;
-
- generators: ARRAY[STRING] is
- once
- Result := <<"MIN_STAND","STD_RAN">>;
- end;
-
- end -- DEMO3
-