num_util.h File Reference

#include <boost/python.hpp>
#include <numarray/arrayobject.h>
#include <iostream>
#include <sstream>
#include <vector>
#include <map>

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Namespaces
namespace	num_util
Typedefs
typedef std::map< PyArray_TYPES, char >	num_util::KindCharMap
	Mapping from a PyArray_TYPE to its corresponding typeID in char.
typedef std::map< PyArray_TYPES, std::string >	num_util::KindStringMap
	Mapping from a PyArray_TYPE to its corresponding name in string.
typedef std::map< char, PyArray_TYPES >	num_util::KindTypeMap
	Mapping from a typeID to its corresponding PyArray_TYPE.
Functions
numeric::array	num_util::astype (boost::python::numeric::array arr, PyArray_TYPES t)
	Returns a clone of this array with a new type.
PyArray_TYPES	num_util::char2type (char e_type)
	Coverts a single character typecode to its PyArray_TYPES.
void	num_util::check_contiguous (boost::python::numeric::array arr)
	Throws an exception if the array is not contiguous.
void	num_util::check_dim (boost::python::numeric::array arr, int dimnum, int dimsize)
	Throws an exception if a specific dimension from a Numeric array does not match the expected size.
void	num_util::check_PyArrayElementType (boost::python::object newo)
	Throws an exception if the element of a Numeric array is type casted to PyArray_OBJECT.
void	num_util::check_rank (boost::python::numeric::array arr, int expected_rank)
	Throws an exception if the actual rank is not equal to the expected rank.
void	num_util::check_shape (boost::python::numeric::array arr, std::vector< int > expected_dims)
	Throws an exception if the actual dimensions of the array are not equal to the expected dimensions.
void	num_util::check_size (boost::python::numeric::array arr, int expected_size)
	Throw an exception if the actual total size of the array is not equal to the expected size.
void	num_util::check_size_match (std::vector< int > dims, int n)
	Throws an exception if the total size computed from a vector of integer does not match with the expected size.
void	num_util::check_type (boost::python::numeric::array arr, PyArray_TYPES expected_type)
	Throws an exception if the actual array type is not equal to the expected type.
boost::python::numeric::array	num_util::clone (boost::python::numeric::array arr)
	Returns a clone of this array.
void	num_util::copy_data (boost::python::numeric::array arr, char *new_data)
	Copies data into the array.
char *	num_util::data (boost::python::numeric::array arr)
	Returns a pointer to the data in the array.
int	num_util::get_dim (boost::python::numeric::array arr, int dimnum)
	Returns the size of a specific dimension.
bool	num_util::iscontiguous (boost::python::numeric::array arr)
	Returns true if the array is contiguous.
boost::python::numeric::array	num_util::makeNum (boost::python::object x)
	A free function that extracts a PyArrayObject from any sequential PyObject.
int	num_util::rank (boost::python::numeric::array arr)
	A free function that retrieves the number of dimensions of a Numeric array.
int	num_util::refcount (boost::python::numeric::array arr)
	Returns the reference count of the array.
void	num_util::savespace (boost::python::numeric::array arr, bool set_savespace)
	Changes the savespace property of the array.
std::vector< int >	num_util::shape (boost::python::numeric::array arr)
	Returns the dimensions in a vector.
int	num_util::size (boost::python::numeric::array arr)
	A free function that returns the total size of the array.
bool	num_util::spacesaver (boost::python::numeric::array arr)
	Returns true if the array is a spacesaver array.
std::vector< int >	num_util::strides (boost::python::numeric::array arr)
	Returns the strides array in a vector of integer.
PyArray_TYPES	num_util::type (boost::python::numeric::array arr)
	A free function that retrieves the Numeric type of a Numeric array.
char	num_util::type2char (PyArray_TYPES t_type)
	Converts a PyArray_TYPE to its single character typecode.
std::string	num_util::type2string (PyArray_TYPES t_type)
	Converts a PyArray_TYPE to its name in string.
template<class T>
std::string	num_util::vector_str (const std::vector< T > &vec)
	Constructs a string which contains a list of elements extracted from the input vector.

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