1 files changed, 72 insertions, 0 deletions
diff --git a/macros/NonLinear/LOOKUP_f.sci b/macros/NonLinear/LOOKUP_f.sci
new file mode 100644
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+++ b/macros/NonLinear/LOOKUP_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]=LOOKUP_f(job,arg1,arg2)
+    x=[];
+    y=[];
+    typ=[];
+    select job
+    case "set" then
+        x=arg1;
+        graphics=arg1.graphics;
+        exprs=graphics.exprs
+        model=arg1.model;
+        rpar=model.rpar;
+        n=size(rpar,"*")/2
+        xx=rpar(1:n);
+        yy=rpar(n+1:2*n)
+        while %t do
+            [ln,fun]=where();
+
+            if ~or(fun == "do_eval") then // cas standard
+                [xx,yy,ok,gc] = edit_curv(xx,yy,"axy");
+            else
+                ok=%t
+            end  // no need anymore to overload edit_curv in do_eval
+
+            if ~ok then
+                break,
+            end
+            n=size(xx,"*")
+            if or(xx(2:n)-xx(1:n-1)<=0) then
+                message("You have not defined a function")
+                ok=%f
+            end
+            if ok then
+                model.rpar=[xx(:);yy(:)]
+                x.graphics=graphics;
+                x.model=model
+                break
+            end
+        end
+    case "define" then
+        model=scicos_model()
+        model.sim="lookup"
+        model.in=1
+        model.out=1
+        model.rpar=[-2;-1;1;2;-1;1;-1;1]
+        model.blocktype="c"
+        model.dep_ut=[%t %f]
+
+        gr_i=[]
+        x=standard_define([2 2],model,[],gr_i)
+    end
+endfunction