o2scl::tensor1< data_t, vec_t, vec_size_t > Class Template Reference

Rank 1 tensor. More...

#include <tensor.h>

Inheritance diagram for o2scl::tensor1< data_t, vec_t, vec_size_t >:

Detailed Description

template<class data_t = double, class vec_t = std::vector<data_t>, class vec_size_t = std::vector<size_t>>
class o2scl::tensor1< data_t, vec_t, vec_size_t >

Definition at line 1156 of file tensor.h.

Public Member Functions
	tensor1 ()
	Create an empty tensor.
	tensor1 (size_t sz)
	Create a rank 1 tensory of size sz.
Method to check for valid object
void	is_valid () const
	Check that the o2scl::tensor1 object is valid.
Specialized get and set functions
data_t &	get (size_t ix)
	Get the element indexed by ix.
const data_t &	get (size_t ix) const
	Get the element indexed by ix.
void	set (size_t index, data_t val)
	Set the element indexed by index to value val.
template<class size_vec_t >
void	set (const size_vec_t &index, data_t val)
	Set the element indexed by index to value val. More...
Specialized operator functions
data_t &	operator[] (size_t ix)
	Get an element using array-like indexing.
const data_t &	operator[] (size_t ix) const
	Get an element using array-like indexing (const version)
data_t &	operator() (size_t ix)
	Get an element using operator()
const data_t &	operator() (size_t ix) const
	Get an element using operator() (const version)
Public Member Functions inherited from o2scl::tensor< double, std::vector< double >, std::vector< size_t > >
	tensor ()
	Create an empty tensor with zero rank.
	tensor (size_t rank, const size_vec_t &dim)
	Create a tensor of rank rank with sizes given in dim. More...
	tensor (const tensor< double, std::vector< double >, std::vector< size_t > > &t)
	Copy using operator()
tensor< double, std::vector< double >, std::vector< size_t > > &	operator= (const tensor< double, std::vector< double >, std::vector< size_t > > &t)
	Copy using operator=()
void	is_valid () const
	Check that the o2scl::tensor object is valid.
void	clear ()
	Clear the tensor of all data and free allocated memory.
void	set (const size_vec_t &index, double val)
	Set the element indexed by index to value val.
void	set_all (double x)
	Set all elements in a tensor to some fixed value.
void	swap_data (std::vector< double > &dat)
	Swap the data vector.
ubvector_slice	vector_slice (size_t ix, const size_vec_t &index)
	Fix all but one index to create a vector. More...
void	resize (size_t rank, const size_vec_t &dim)
	Resize the tensor to rank rank with sizes given in dim. More...
size_t	get_rank () const
	Return the rank of the tensor.
size_t	get_size (size_t i) const
	Returns the size of the ith index.
const std::vector< size_t > &	get_size_arr () const
	Return the full vector of sizes.
const std::vector< double > &	get_data () const
	Return the full data vector.
size_t	total_size () const
	Returns the size of the tensor (the product of the sizes over every index)
size_t	pack_indices (const size_vec_t &index)
	Pack the indices into a single vector index.
void	unpack_index (size_t ix, size_vec_t &index)
	Unpack the single vector index into indices.
double	min_value ()
	Compute the minimum value in the tensor.
void	min_index (std::vector< size_t > &index)
	Compute the index of the minimum value in the tensor.
void	min (std::vector< size_t > &index, double &val)
	Compute the index of the minimum value in the tensor and return the minimum.
double	max_value ()
	Compute the maximum value in the tensor.
void	max_index (std::vector< size_t > &index)
	Compute the index of the maximum value in the tensor.
void	max (std::vector< size_t > &index, double &val)
	Compute the index and value of the maximum value in the tensor and return the maximum.
void	minmax_value (double &min, double &max)
	Compute the minimum and maximum values in the tensor.
void	minmax_index (std::vector< size_t > &index_min, std::vector< size_t > &index_max)
	Compute the indices of the minimum and maximum values in the tensor.
void	minmax (std::vector< size_t > &index, size_t &index_min, double &min, size_t &index_max, double &max)
	Compute the indices and values of the maximum and minimum in the tensor.
double	total_sum () const
	Return the sum over every element in the tensor.
void	convert_table3d_sum (size_t ix_x, size_t ix_y, table3d &tab, std::string x_name="x", std::string y_name="y", std::string slice_name="z")
	Convert to a o2scl::table3d object by summing over all but two indices.
tensor< double >	rearrange_and_copy (std::vector< index_spec > spec, int verbose=0, bool err_on_fail=true)
	Rearrange, sum and copy current tensor to a new tensor. More...
double &	get (const size_vec_t &index)
	Get the element indexed by index.
const double &	get (const size_vec_t &index) const
	Get a const reference to the element indexed by index.

Additional Inherited Members
Public Types inherited from o2scl::tensor< double, std::vector< double >, std::vector< size_t > >
typedef boost::numeric::ublas::vector_slice< boost::numeric::ublas::vector< double > >	ubvector_slice
typedef boost::numeric::ublas::slice	slice
Protected Attributes inherited from o2scl::tensor< double, std::vector< double >, std::vector< size_t > >
std::vector< double >	data
	The data.
std::vector< size_t >	size
	A rank-sized vector of the sizes of each dimension.
size_t	rk
	Rank.

Member Function Documentation

set()

template<class data_t = double, class vec_t = std::vector<data_t>, class vec_size_t = std::vector<size_t>>

template<class size_vec_t >

void o2scl::tensor1< data_t, vec_t, vec_size_t >::set ( const size_vec_t &  index, data_t  val  )

inline

(We have to explicitly provide this version since the set() function is overloaded in this child of tensor.)

Definition at line 1209 of file tensor.h.

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The documentation for this class was generated from the following file:

• /home/awsteiner/wcs/o2scl/src/base/tensor.h