The great merge

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/python/functor/.cvsignore

@@ -0,0 +1,10 @@
+example.py
+*_wrap.c
+*_wrap.cxx
+*.dll
+*.dsw
+*.ncb
+*.opt
+*.plg
+Release
+Debug

SWIG/Examples/python/functor/Makefile

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+TOP        = ../..
+SWIG       = $(TOP)/../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

SWIG/Examples/python/functor/example.i

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+/* 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>;
+
+
+
+

SWIG/Examples/python/functor/runme.py

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+# 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()
+