Rank 4 tensor. More...
#include <tensor.h>
Public Member Functions | |
tensor4 () | |
Create an empty tensor. | |
tensor4 (size_t sz, size_t sz2, size_t sz3, size_t sz4) | |
Create a rank 4 tensor of size (sz,sz2,sz3,sz4) | |
double & | get (size_t ix1, size_t ix2, size_t ix3, size_t ix4) |
Get the element indexed by (ix1,ix2,ix3,ix4) | |
const double & | get (size_t ix1, size_t ix2, size_t ix3, size_t ix4) const |
Get the element indexed by (ix1,ix2,ix3,ix4) | |
void | set (size_t ix1, size_t ix2, size_t ix3, size_t ix4, double val) |
Set the element indexed by (ix1,ix2,ix3,ix4) to value val . | |
template<class size_vec_t > | |
void | set (const size_vec_t &index, double val) |
Set the element indexed by index to value val . More... | |
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tensor () | |
Create an empty tensor with zero rank. | |
template<class size_vec_t > | |
tensor (size_t rank, const size_vec_t &dim) | |
Create a tensor of rank rank with sizes given in dim . More... | |
template<class size_vec_t > | |
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. | |
template<class size_vec_t > | |
double & | get (const size_vec_t &index) |
Get the element indexed by index . | |
template<class size_vec_t > | |
double const & | get (const size_vec_t &index) const |
Get a const reference to the element indexed by index . | |
template<class size_vec_t > | |
ubvector_slice | vector_slice (size_t ix, const size_vec_t &index) |
Fix all but one index to create a vector. More... | |
template<class size_vec_t > | |
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 vec_size_t_int & | get_size_arr () const |
Return the full vector of sizes. | |
const vec_t & | 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) | |
template<class size_vec_t > | |
size_t | pack_indices (const size_vec_t &index) |
Pack the indices into a single vector index. | |
template<class size_vec_t > | |
void | unpack_indices (size_t ix, size_vec_t &index) |
Unpack the single vector index into indices. | |
Additional Inherited Members | |
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typedef boost::numeric::ublas::vector_slice < boost::numeric::ublas::vector < double > > | ubvector_slice |
typedef boost::numeric::ublas::slice | slice |
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vec_t | data |
The data. | |
vec_size_t_int | size |
A rank-sized vector of the sizes of each dimension. | |
size_t | rk |
Rank. | |
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inline |
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