diff options
Diffstat (limited to 'Examples/python/functor')
-rw-r--r-- | Examples/python/functor/Makefile | 22 | ||||
-rw-r--r-- | Examples/python/functor/example.i | 29 | ||||
-rw-r--r-- | Examples/python/functor/runme.py | 17 |
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() + |