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initial development of NumericDispatcher

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[SVN r8022]
This commit is contained in:
Ullrich Köthe
2000-10-20 08:48:01 +00:00
parent 6b0144ef31
commit 90fca10190
6 changed files with 407 additions and 1 deletions
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52
num_demo.cpp Normal file
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#include "numeric.h"
#include "class_wrapper.h"
struct Int
{
Int(int i) : i_(i) {}
Int operator+(int const & r) const { return Int(i_ + r); }
Int operator-(int const & r) const { return Int(i_ - r); }
Int operator+(Int const & r) const { return Int(i_ + r.i_); }
Int operator-(Int const & r) const { return Int(i_ - r.i_); }
int i() const { return i_; }
int i_;
};
Int operator+(int const & i, Int const & j) { return Int(i+j.i()); }
Int operator-(int const & i, Int const & j) { return Int(i-j.i()); }
ostream & operator<<(ostream & o, Int const & i)
{
o << i.i();
return o;
}
extern "C"
void initnum()
{
try
{
py::Module num("num");
py::ClassWrapper<Int> int_class(num, "Int");
int_class.def(py::Constructor<int>());
int_class.def(py::Constructor<Int>());
int_class.def(py::coerce_wrapped, "__coerce__");
int_class.def(&Int::i, "i");
num.def_numeric(int_class.get_extension_class(),
int_class.get_extension_class(), "__add__");
num.def_numeric(int_class.get_extension_class(),
int_class.get_extension_class(), "__sub__");
num.def_numeric(int_class.get_extension_class(), &PyInt_Type, "__add__");
num.def_numeric(&PyInt_Type, int_class.get_extension_class(), "__add__");
}
catch(...)
{
py::handle_exception();
} // Need a way to report other errors here
}