1 files changed, 85 insertions, 0 deletions
diff --git a/macros/Sources/RAND_f.sci b/macros/Sources/RAND_f.sci
new file mode 100644
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+++ b/macros/Sources/RAND_f.sci
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+//  Scicos
+//
+//  Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// See the file ../license.txt
+//
+
+function [x,y,typ]=RAND_f(job,arg1,arg2)
+    x=[];
+    y=[];
+    typ=[];
+    select job
+    case "set" then
+        x=arg1;
+        graphics=arg1.graphics;
+        exprs=graphics.exprs
+        model=arg1.model;
+        if size(exprs,"*")==5 then
+            exprs=exprs(1:3),
+        end //compatibility
+        if size(exprs,"*")==3 then
+            exprs=[exprs;string(model.dstate(1))],
+        end //compatibility
+        while %t do
+            [ok,flag,a,b,seed_c,exprs]=scicos_getvalue([
+            "Set Random generator block parameters";
+            "flag = 0 : Uniform distribution A is min and A+B max";
+            "flag = 1 : Normal distribution A is mean and B deviation";
+            " ";
+            "A and B must be vector with equal sizes";
+            "seed is the seed of random number generator (integer<2**31)"],..
+            ["flag";"A";"B";"seed"],..
+            list("vec",1,"vec",-1,"vec","size(%2,''*'')","vec",1),exprs)
+            if ~ok then
+                break,
+            end
+            if flag<>0&flag<>1 then
+                message("flag must be equal to 1 or 0")
+            else
+                nout=size(a,"*")
+                graphics.exprs=exprs
+                model.out=nout
+                model.ipar=flag
+                model.rpar=[a(:);b(:)]
+                model.dstate=[seed_c;0*a(:)]
+                x.graphics=graphics;
+                x.model=model
+                break
+            end
+        end
+    case "define" then
+        a=0
+        b=1
+        dt=0
+        out=1
+        flag=0
+        model=scicos_model()
+        model.sim="rndblk"
+        model.out=out
+        model.evtin=1
+        model.dstate=[int(rand()*(10^7-1));0*a(:)]
+        model.rpar=[a(:);b(:)]
+        model.ipar=flag
+        model.blocktype="d"
+        model.dep_ut=[%f %f]
+
+        exprs=[string(flag);sci2exp(a(:));sci2exp(b(:));string(model.dstate(1))]
+        gr_i=[]
+        x=standard_define([3 2],model,exprs,gr_i)
+    end
+endfunction