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stan::math::prod_2d_< T > Class Template Reference

Detailed Description

template<typename T>
class stan::math::prod_2d_< T >

Represents two dimensional product - reduction in kernel generator expressions.

Template Parameters
Ttype of expression

Definition at line 244 of file reduction_2d.hpp.

#include <reduction_2d.hpp>

+ Inheritance diagram for stan::math::prod_2d_< T >:

Public Types

using Scalar = typename std::remove_reference_t< T >::Scalar
 
using Deriv = Derived
 
using ArgsTuple = std::tuple< Args... >
 
using view_transitivity = std::tuple< std::is_same< Args, void >... >
 

Public Member Functions

 prod_2d_ (T &&a)
 
auto deep_copy () const
 Creates a deep copy of this expression.
 
kernel_parts get_whole_kernel_parts (std::unordered_map< const void *, const char * > &generated, std::unordered_map< const void *, const char * > &generated_all, name_generator &ng, const std::string &row_index_name, const std::string &col_index_name, const T_result &result) const
 Generates kernel code for assigning this expression into result expression.
 
kernel_parts generate (const std::string &row_index_name, const std::string &col_index_name, const bool view_handled, const std::string &var_name_arg) const
 Generates kernel code for this and nested expressions.
 
int rows () const
 Number of rows of a matrix that would be the result of evaluating this expression.
 
int cols () const
 Number of columns of a matrix that would be the result of evaluating this expression.
 
int cols () const
 Number of columns of a matrix that would be the result of evaluating this expression.
 
int thread_rows () const
 Number of rows threads need to be launched for.
 
int thread_cols () const
 Number of rows threads need to be launched for.
 
std::pair< int, int > extreme_diagonals () const
 Determine indices of extreme sub- and superdiagonals written.
 
template<size_t N>
const auto & get_arg () const
 Returns an argument to this operation.
 
matrix_cl< Scalareval () const
 Evaluates the expression.
 
template<typename T_lhs >
void evaluate_into (T_lhs &lhs) const
 Evaluates this expression into given left-hand-side expression.
 
template<typename T_lhs >
std::string get_kernel_source_for_evaluating_into (const T_lhs &lhs) const
 Generates kernel source for evaluating this expression into given left-hand-side expression.
 
kernel_parts get_kernel_parts (std::unordered_map< const void *, const char * > &generated, std::unordered_map< const void *, const char * > &generated_all, name_generator &name_gen, const std::string &row_index_name, const std::string &col_index_name, bool view_handled) const
 Generates kernel code for this and nested expressions.
 
void modify_argument_indices (std::string &row_index_name, std::string &col_index_name) const
 Does nothing.
 
void set_args (std::unordered_map< const void *, const char * > &generated, std::unordered_map< const void *, const char * > &generated_all, cl::Kernel &kernel, int &arg_num) const
 Sets kernel arguments for nested expressions.
 
void add_read_event (cl::Event &e) const
 Adds read event to any matrices used by nested expressions.
 
void get_write_events (std::vector< cl::Event > &events) const
 Adds all write events on any matrices used by nested expressions to a list.
 
int size () const
 Size of a matrix that would be the result of evaluating this expression.
 
matrix_cl_view view () const
 View of a matrix that would be the result of evaluating this expression.
 
void get_unique_matrix_accesses (std::vector< int > &uids, std::unordered_map< const void *, int > &id_map, int &next_id) const
 Collects data that is needed beside types to uniqly identify a kernel generator expression.
 

Public Attributes

std::string var_name_
 

Static Public Attributes

static constexpr bool require_specific_local_size
 
static constexpr int N = sizeof...(Args)
 
static constexpr int dynamic = -1
 

Protected Member Functions

prod_2d_< T > & derived ()
 Casts the instance into its derived type.
 
const prod_2d_< T > & derived () const
 Casts the instance into its derived type.
 

Protected Attributes

std::string init_
 
std::tuple< Args... > arguments_
 

Private Types

using base = reduction_2d< prod_2d_< T >, T, prod_op >
 

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