Implement functionwrapper

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-sploving@11242 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/scilab/simple/example.c

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+/* File : example.c */
+
+/* A global variable */
+double Foo = 3.0;
+
+/* Compute the greatest common divisor of positive integers */
+int gcd(int x, int y) {
+  int g;
+  g = y;
+  while (x > 0) {
+    g = x;
+    x = y % x;
+    y = g;
+  }
+  return g;
+}
+
+

Examples/scilab/simple/example.i

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+/* File : example.i */
+%module example
+
+%inline %{
+extern int    gcd(int x, int y);
+extern double Foo;
+%}

Examples/scilab/simple/runme.sci

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+// builder the *.so
+exec builder.sce;
+
+//loader the *.so
+exec loader.sce;
+
+// Call our gcd() function
+x = 42;
+y = 105;
+g = gcd(x,y);
+printf("The gcd of %d and %d is %d\n",x,y,g);
+
+//Manipulate the Foo global variable
+
+// Output its current value
+Foo_get()
+
+// Change its value
+Foo_set = 3.1415926
+
+//See if the change took effect
+Foo_get
+