3 files changed, 68 insertions, 0 deletions
diff --git a/Examples/octave/functor/Makefile b/Examples/octave/functor/Makefile
new file mode 100644
index 0000000..d910de5
--- /dev/null
+++ b/Examples/octave/functor/Makefile
@@ -0,0 +1,21 @@
+TOP        = ../..
+SWIG       = $(TOP)/../preinst-swig
+CXXSRCS    = 
+TARGET     = example
+INTERFACE  = example.i
+LIBS       = -lm
+SWIGOPT    = 
+
+all::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' octave_cpp
+
+static::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	TARGET='myoctave' INTERFACE='$(INTERFACE)' octave_cpp_static
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile octave_clean
+	rm -f $(TARGET).py
+
+check: all
diff --git a/Examples/octave/functor/example.i b/Examples/octave/functor/example.i
new file mode 100644
index 0000000..2fd3817
--- /dev/null
+++ b/Examples/octave/functor/example.i
@@ -0,0 +1,29 @@
+/* File : example.i */
+%module example
+
+
+%inline %{
+// From B. Strousjoup, "The C++ Programming Language, Third Edition", p. 514
+template<class T> class Sum {
+   T res;
+public:
+   Sum(T i = 0) : res(i) { }
+   void operator() (T x) { res += x; }
+   T result() const { return res; }
+};
+
+%}
+
+// Rename the application operator to __call__ for python.
+// Note: this is normally automatic, but if you had to do it yourself
+// you would use this directive:
+//
+// %rename(__call__) *::operator();
+
+// Instantiate a few versions
+%template(intSum) Sum<int>;
+%template(doubleSum) Sum<double>;
+
+
+
+
diff --git a/Examples/octave/functor/runme.m b/Examples/octave/functor/runme.m
new file mode 100644
index 0000000..65dabcc
--- /dev/null
+++ b/Examples/octave/functor/runme.m
@@ -0,0 +1,18 @@
+# Operator overloading example
+example
+
+a = example.intSum(0);
+b = example.doubleSum(100.0);
+
+# Use the objects.  They should be callable just like a normal
+# python function.
+
+for i=0:100-1,
+    a(i);           # Note: function call
+    b(sqrt(i));     # Note: function call
+endfor
+
+a.result()
+b.result()
+
+