Automatic Differentiation
 
Loading...
Searching...
No Matches
stan::math::optional_broadcast_< T, Colwise, Rowwise > Class Template Reference

Detailed Description

template<typename T, bool Colwise, bool Rowwise>
class stan::math::optional_broadcast_< T, Colwise, Rowwise >

Represents an optional broadcasting operation in kernel generator expressions.

Template Parameters
Ttype of argument
Colwisewhether to broadcast colwise
Rowwisewhether to broadcast rowwise

Definition at line 28 of file optional_broadcast.hpp.

#include <optional_broadcast.hpp>

+ Inheritance diagram for stan::math::optional_broadcast_< T, Colwise, Rowwise >:

Public Types

using Scalar = typename std::remove_reference_t< T >::Scalar
 
using base = operation_cl< optional_broadcast_< T, Colwise, Rowwise >, Scalar, T >
 
using Deriv = optional_broadcast_< T, Colwise, Rowwise >
 
using ArgsTuple = std::tuple< Args... >
 
using view_transitivity = std::tuple< std::is_same< Args, void >... >
 

Public Member Functions

 optional_broadcast_ (T &&a)
 Constructor.
 
auto deep_copy () const
 Creates a deep copy of this expression.
 
kernel_parts generate (const std::string &row_idx_name, const std::string &col_idx_name, const bool view_handled, const std::string &var_name_arg) const
 Generates kernel code for this and nested expressions.
 
void modify_argument_indices (std::string &row_idx_name, std::string &col_idx_name) const
 Sets index/indices along broadcasted dimmension(s) to 0.
 
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 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.
 
matrix_cl_view view () const
 View of a matrix that would be the result of evaluating this expression.
 
int bottom_diagonal () const
 Determine index of bottom diagonal written.
 
int top_diagonal () const
 Determine index of top diagonal written.
 
optional_broadcast_< T, Colwise, Rowwise > & derived ()
 Casts the instance into its derived type.
 
const optional_broadcast_< T, Colwise, Rowwise > & derived () const
 Casts the instance into its derived type.
 
const auto & get_arg () const
 Returns an argument to this operation.
 
matrix_cl< std::remove_reference_t< T >::Scalareval () const
 Evaluates the expression.
 
void evaluate_into (T_lhs &lhs) const
 Evaluates this expression into given left-hand-side expression.
 
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_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 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 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.
 
int thread_rows () const
 Number of rows threads need to be launched for.
 
int thread_cols () const
 Number of columns threads need to be launched for.
 
std::pair< int, int > extreme_diagonals () const
 Determine indices of extreme sub- and superdiagonals written.
 
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 const bool require_specific_local_size
 
static constexpr int N
 
static constexpr int dynamic
 

Protected Attributes

std::tuple< Args... > arguments_
 

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