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-rw-r--r--Examples/python/functor/Makefile22
-rw-r--r--Examples/python/functor/example.i29
-rw-r--r--Examples/python/functor/runme.py17
3 files changed, 68 insertions, 0 deletions
diff --git a/Examples/python/functor/Makefile b/Examples/python/functor/Makefile
new file mode 100644
index 0000000..fe38975
--- /dev/null
+++ b/Examples/python/functor/Makefile
@@ -0,0 +1,22 @@
+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)' python_cpp
+
+static::
+ $(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+ TARGET='mypython' INTERFACE='$(INTERFACE)' python_cpp_static
+
+clean::
+ $(MAKE) -f $(TOP)/Makefile python_clean
+ rm -f $(TARGET).py
+
+check: all
+ $(MAKE) -f $(TOP)/Makefile python_run
diff --git a/Examples/python/functor/example.i b/Examples/python/functor/example.i
new file mode 100644
index 0000000..2fd3817
--- /dev/null
+++ b/Examples/python/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/python/functor/runme.py b/Examples/python/functor/runme.py
new file mode 100644
index 0000000..8fc0f2f
--- /dev/null
+++ b/Examples/python/functor/runme.py
@@ -0,0 +1,17 @@
+# Operator overloading example
+import example
+import math
+
+a = example.intSum(0)
+b = example.doubleSum(100.0)
+
+# Use the objects. They should be callable just like a normal
+# python function.
+
+for i in range(0,100):
+ a(i) # Note: function call
+ b(math.sqrt(i)) # Note: function call
+
+print a.result()
+print b.result()
+