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python/example/richcmp3.cpp
Dave Abrahams 0dbb780a2f * Updated to new handle_exception() idiom for boost::python
* Made Cygwin archiving reliable, even when the user supplies a path with backslashes

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Modified Files:
	tools/build/gcc-tools.jam tools/build/new/boost-build.jam
	boost/python/detail/config.hpp libs/python/build/Jamfile
	libs/python/example/do_it_yourself_convts.cpp
	libs/python/example/dvect.cpp libs/python/example/example1.cpp
	libs/python/example/getting_started1.cpp
	libs/python/example/getting_started2.cpp
	libs/python/example/ivect.cpp libs/python/example/nested.cpp
	libs/python/example/noncopyable_export.cpp
	libs/python/example/noncopyable_import.cpp
	libs/python/example/pickle1.cpp
	libs/python/example/pickle2.cpp
	libs/python/example/pickle3.cpp
	libs/python/example/richcmp1.cpp
	libs/python/example/richcmp2.cpp
	libs/python/example/richcmp3.cpp libs/python/example/rwgk1.cpp
	libs/python/example/simple_vector.cpp
	libs/python/test/comprehensive.cpp
Added Files:
	libs/python/example/rwgk2.cpp libs/python/example/rwgk3.cpp
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[SVN r11705]
2001-11-15 05:29:22 +00:00

176 lines
7.0 KiB
C++

// Example by Ralf W. Grosse-Kunstleve & Nicholas K. Sauter.
// Comprehensive operator overloading for two vector types and scalars.
#include <boost/python/class_builder.hpp>
#include "vector_wrapper.h"
#include "dvect.h"
#include "ivect.h"
#define VECT_VECT_OPERATORS(result_type, vect_type1, oper, vect_type2) \
namespace vects { \
result_type \
operator##oper (const vect_type1& lhs, const vect_type2& rhs) { \
if (lhs.size() != rhs.size()) { \
PyErr_SetString(PyExc_ValueError, "vectors have different sizes"); \
throw boost::python::error_already_set(); \
} \
result_type result(lhs.size()); \
for (std::size_t i=0; i<lhs.size(); i++) { \
result[i] = (lhs[i] ##oper rhs[i]); \
} \
return result; \
} \
}
#define VECT_SCALAR_OPERATORS(result_type, vect_type, oper, scalar_type) \
namespace vects { \
result_type \
operator##oper (const vect_type& lhs, const scalar_type& rhs) { \
result_type result(lhs.size()); \
for (std::size_t i=0; i<lhs.size(); i++) { \
result[i] = (lhs[i] ##oper rhs ); \
} \
return result; \
} \
}
#define SCALAR_VECT_OPERATORS(result_type, scalar_type, oper, vect_type) \
namespace vects { \
result_type \
operator##oper (const scalar_type& lhs, const vect_type& rhs) { \
result_type result(rhs.size()); \
for (std::size_t i=0; i<rhs.size(); i++) { \
result[i] = (lhs ##oper rhs[i]); \
} \
return result; \
} \
}
#define MATH_VECT_VECT_OPERATORS(result_type, vect_type1, vect_type2) \
VECT_VECT_OPERATORS(result_type, vect_type1, +, vect_type2) \
VECT_VECT_OPERATORS(result_type, vect_type1, -, vect_type2) \
VECT_VECT_OPERATORS(result_type, vect_type1, *, vect_type2) \
VECT_VECT_OPERATORS(result_type, vect_type1, /, vect_type2)
#define COMP_VECT_VECT_OPERATORS(vect_type1, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, <, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, <=, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, ==, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, !=, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, >, vect_type2) \
VECT_VECT_OPERATORS(std::vector<bool>, vect_type1, >=, vect_type2)
#define MATH_VECT_SCALAR_OPERATORS(result_type, vect_type, scalar_type) \
VECT_SCALAR_OPERATORS(result_type, vect_type, +, scalar_type) \
VECT_SCALAR_OPERATORS(result_type, vect_type, -, scalar_type) \
VECT_SCALAR_OPERATORS(result_type, vect_type, *, scalar_type) \
VECT_SCALAR_OPERATORS(result_type, vect_type, /, scalar_type)
#define COMP_VECT_SCALAR_OPERATORS(vect_type, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, <, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, <=, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, ==, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, !=, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, >, scalar_type) \
VECT_SCALAR_OPERATORS(std::vector<bool>, vect_type, >=, scalar_type)
#define MATH_SCALAR_VECT_OPERATORS(result_type, scalar_type, vect_type) \
SCALAR_VECT_OPERATORS(result_type, scalar_type, +, vect_type) \
SCALAR_VECT_OPERATORS(result_type, scalar_type, -, vect_type) \
SCALAR_VECT_OPERATORS(result_type, scalar_type, *, vect_type) \
SCALAR_VECT_OPERATORS(result_type, scalar_type, /, vect_type)
MATH_VECT_VECT_OPERATORS(dvect, dvect, dvect)
COMP_VECT_VECT_OPERATORS( dvect, dvect)
MATH_VECT_SCALAR_OPERATORS(dvect, dvect, double)
COMP_VECT_SCALAR_OPERATORS( dvect, double)
MATH_SCALAR_VECT_OPERATORS(dvect, double, dvect)
// comparison operators not needed since Python uses reflection
MATH_VECT_VECT_OPERATORS(ivect, ivect, ivect)
COMP_VECT_VECT_OPERATORS( ivect, ivect)
MATH_VECT_SCALAR_OPERATORS(ivect, ivect, int)
COMP_VECT_SCALAR_OPERATORS( ivect, int)
MATH_SCALAR_VECT_OPERATORS(ivect, int, ivect)
// comparison operators not needed since Python uses reflection
MATH_VECT_VECT_OPERATORS(dvect, dvect, ivect)
COMP_VECT_VECT_OPERATORS( dvect, ivect)
MATH_VECT_VECT_OPERATORS(dvect, ivect, dvect)
COMP_VECT_VECT_OPERATORS( ivect, dvect)
#undef VECT_VECT_OPERATORS
#undef SCALAR_VECT_OPERATORS
#undef VECT_SCALAR_OPERATORS
#undef MATH_VECT_VECT_OPERATORS
#undef COMP_VECT_VECT_OPERATORS
#undef MATH_VECT_SCALAR_OPERATORS
#undef COMP_VECT_SCALAR_OPERATORS
#undef MATH_SCALAR_VECT_OPERATORS
namespace {
void init_module(boost::python::module_builder& this_module)
{
(void) example::wrap_vector(this_module, "vector_of_bool", bool());
const long
math_operators ( boost::python::op_mul | boost::python::op_add
| boost::python::op_div | boost::python::op_sub);
const long
comp_operators = ( boost::python::op_lt | boost::python::op_le
| boost::python::op_eq | boost::python::op_ne
| boost::python::op_gt | boost::python::op_ge);
boost::python::class_builder<vects::dvect>
dvect_class(this_module, "dvect");
boost::python::class_builder<vects::ivect>
ivect_class(this_module, "ivect");
dvect_class.def(boost::python::constructor<boost::python::tuple>());
dvect_class.def(&vects::dvect::as_tuple,"as_tuple");
dvect_class.def(boost::python::operators<math_operators>());
dvect_class.def(boost::python::operators<math_operators>(),
boost::python::right_operand<double>() );
dvect_class.def(boost::python::operators<math_operators>(),
boost::python::left_operand<double>() );
dvect_class.def(boost::python::operators<math_operators>(),
boost::python::right_operand<vects::ivect>() );
dvect_class.def(boost::python::operators<comp_operators>());
dvect_class.def(boost::python::operators<comp_operators>(),
boost::python::right_operand<double>() );
// left_operand not needed since Python uses reflection
dvect_class.def(boost::python::operators<comp_operators>(),
boost::python::right_operand<vects::ivect>() );
ivect_class.def(boost::python::constructor<boost::python::tuple>());
ivect_class.def(&vects::ivect::as_tuple,"as_tuple");
ivect_class.def(boost::python::operators<math_operators>());
ivect_class.def(boost::python::operators<math_operators>(),
boost::python::right_operand<int>() );
ivect_class.def(boost::python::operators<math_operators>(),
boost::python::left_operand<int>() );
ivect_class.def(boost::python::operators<math_operators>(),
boost::python::right_operand<vects::dvect>() );
ivect_class.def(boost::python::operators<comp_operators>());
ivect_class.def(boost::python::operators<comp_operators>(),
boost::python::right_operand<int>() );
// left_operand not needed since Python uses reflection
ivect_class.def(boost::python::operators<comp_operators>(),
boost::python::right_operand<vects::dvect>() );
}
} // namespace <anonymous>
BOOST_PYTHON_MODULE_INIT(richcmp3)
{
boost::python::module_builder this_module("richcmp3");
// The actual work is done in a separate function in order
// to suppress a bogus VC60 warning.
init_module(this_module);
}