From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,4231869cc877ceb9 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-09-26 12:25:48 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!sn-xit-03!sn-xit-06!sn-post-01!supernews.com!corp.supernews.com!not-for-mail From: Andrew Newsgroups: comp.lang.ada Subject: Re: random number generation Date: Fri, 26 Sep 2003 14:25:12 -0500 Organization: Posted via Supernews, http://www.supernews.com Message-ID: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 X-Accept-Language: en-us, en MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@supernews.com Xref: archiver1.google.com comp.lang.ada:43019 Date: 2003-09-26T14:25:12-05:00 List-Id: tmoran@acm.org wrote: >>I need to write a program to randomly grab a integer from 1 - 4,and >>Does this exist in Ada? > > type Options is range 1 .. 4; > package Generate_Options is new Ada.Numerics.Discrete_Random(Options); > A_Generator : Generate_Options.Generator; > ... > X := Generate_Options.Random(A_Generator); > Ada.Text_IO.Put_Line("Selected option is" & Options'image(X)); > You could of course replace type Options with > type Suits is (Spades, Hearts, Diamonds, Clubs); > and have several Dealers instead of a single A_Generator, and so forth. > > >> I don't believe it does from what I have been reading. > > What have you been reading? If your book doesn't cover random > number generation, you can go to the authoritative source, section > A.5.2 of the Ada 95 Reference Manual (available online). ok in the previous post .. I said thanks for the help.. and I've been trying to figure out how to implement the code that you gave me above.. the problem is I get errors such as mazecreate.adb:18:04: statement not allowed in declarative part or mazecreate.adb:26:01: declarations must come before "begin" depending on exactly how I set the code up. here is the coding at it's current standing. ======================================== ==================================== -- This program is to open file 'Map2', then print a bunch of characters 'x' in the -- form of a square. with TEXT_IO; use TEXT_IO; procedure Mazecreate is spot: CHARACTER:='x'; spott: CHARACTER:='T'; sitt: Boolean:=True; orig: INTEGER:=5; -- point of origin for map down: Integer:=10; -- down map acros: INTEGER:=11; -- across map row: INTEGER:=1; col: INTEGER:=1; X: INTEGER; map_file:FILE_TYPE; A_Generator : Generate_Options.Generator; X:= Generator_Options.Random(A_Generator); package Number_IO is new INTEGER_IO(INTEGER); use Number_IO; package FLOAT1_IO is new FLOAT_IO(FLOAT); use FLOAT1_IO; type Options is range 1 .. 4; package Generate_Options is new Ada.Numerics.Discrete_Random(Options); Begin -- ********************** -- ** section to print ** -- ** the randomly ** -- ** created number ** -- ********************** Ada.Text_IO.Put_Line("Selected option is" & Options'image(X)); -- ********************* -- ** section to ** -- ** create the ** -- ** square of Stars ** -- ********************* Create (map_file, out_FILE, "Map2"); if IS_OPEN(map_file) then for i in 1..down loop for j in 1..acros loop put (map_file, spot); end loop; NEW_LINE(map_file); end loop; Put(map_file, spott); CLOSE (map_file); else Put_Line("Map file didn't open .. Killing Program"); Return; end if; end Mazecreate; ============================== =============================================== Now I know I have something wrong on the above code.. but I can't figure out what is wrong.. and I've tried moving different sections of your code around.. but to no avail. any help is appreciated. Andrew