Cadabra
Computer algebra system for field theory problems
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cadabra::fierz Class Reference

#include <fierz.hh>

Inheritance diagram for cadabra::fierz:
cadabra::Algorithm cadabra::ExManip

Public Member Functions

 fierz (const Kernel &, Ex &, Ex &)
virtual bool can_apply (iterator) override
virtual result_t apply (iterator &) override
Public Member Functions inherited from cadabra::Algorithm
 Algorithm (const Kernel &, Ex &)
 Initialise the algorithm with a reference to the expression tree, but do not yet do anything with this tree.
virtual ~Algorithm ()
void set_progress_monitor (ProgressMonitor *)
 Provide the algorithm with a ProgressMonitor object on which to register (nested) progress information, to be reported out-of-band to a client.
result_t apply_generic (bool deep=true, bool repeat=false, unsigned int depth=0)
 The main entry points for running algorithms, which traverse the tree post-order ('child before parent').
result_t apply_generic (iterator &, bool deep, bool repeat, unsigned int depth)
result_t apply_pre_order (bool repeat=false)
 Apply algorithm with alternative traversal: starting from the top node, traverse the tree pre-order ('parent before child') and once the algorithm acts at a given node, do not traverse the subtree below anymore.
bool check_consistency (iterator) const
 Given an expression top node, check index consistency.
bool check_index_consistency (iterator) const
bool check_degree_consistency (iterator) const
 Given an expression top node, check differential form degree consistency.
void report_progress (const std::string &, int todo, int done, int count=2)
index_iterator begin_index (iterator it) const
index_iterator end_index (iterator it) const
unsigned int number_of_indices (iterator it)
std::string get_index_set_name (iterator it) const
bool rename_replacement_dummies (iterator, bool still_inside_algo=false)
 Rename the dummies in the sub-tree starting with head at the given iterator.
Ex_set_t dependencies (iterator it, bool include_derivatives_of=true) const
 Determine all the Coordinate dependencies of the object at 'it'.
bool derivative_acts_on (iterator it) const
 Is this a symbol on which a derivative acts?
Public Member Functions inherited from cadabra::ExManip
 ExManip (const Kernel &, Ex &)
bool prod_wrap_single_term (iterator &)
 Take a single non-product node in a sum and wrap it in a product node, so it can be handled on the same footing as a proper product.
bool prod_unwrap_single_term (iterator &)
bool sum_wrap_single_term (iterator &)
bool sum_unwrap_single_term (iterator &)
bool is_single_term (iterator)
 Is the indicated node a single term in an expression?
bool is_nonprod_factor_in_prod (iterator)
void force_node_wrap (iterator &, std::string)
 Wrap a term in a product or sum in a node with indicated name, irrespective of its parent (it usually makes more sense to call the safer prod_wrap_single_term or sum_wrap_single_term above).

Private Attributes

Ex spinor_list
iterator spin1
iterator spin2
iterator spin3
iterator spin4
const Spinorprop1
const Spinorprop2
const Spinorprop3
const Spinorprop4
iterator gam1
iterator gam2
int dim
int spinordim
const Indicesindprop

Additional Inherited Members

Public Types inherited from cadabra::Algorithm
typedef std::set< Ex, tree_exact_less_objEx_set_t
typedef Ex::result_t result_t
Public Types inherited from cadabra::ExManip
typedef Ex::iterator_base iterator_base
typedef Ex::iterator iterator
typedef Ex::post_order_iterator post_order_iterator
typedef Ex::sibling_iterator sibling_iterator
Static Public Member Functions inherited from cadabra::Algorithm
static unsigned int number_of_indices (const Properties &, iterator it)
static unsigned int number_of_direct_indices (iterator it)
static bool is_termlike (iterator)
 Determines whether the indicated node is 'like a term in a sum'.
static bool is_noncommuting (const Properties &, iterator)
 Determines whether the indicated node is 'like a factor in a product'.
Public Attributes inherited from cadabra::Algorithm
bool interrupted
unsigned int number_of_calls
unsigned int number_of_modifications
bool suppress_normal_output
bool discard_command_node
Stopwatch index_sw
Stopwatch get_dummy_sw
Stopwatch report_progress_stopwatch
Protected Types inherited from cadabra::Algorithm
typedef std::pair< sibling_iterator, sibling_iteratorrange_t
 Finding objects in sets.
typedef std::vector< range_trange_vector_t
Protected Member Functions inherited from cadabra::Algorithm
bool contains (sibling_iterator from, sibling_iterator to, sibling_iterator arg)
void find_argument_lists (range_vector_t &, bool only_comma_lists=true) const
template<class Iter>
range_vector_t::iterator find_arg_superset (range_vector_t &, Iter st, Iter nd)
range_vector_t::iterator find_arg_superset (range_vector_t &, sibling_iterator it)
unsigned int locate_single_object (Ex::iterator obj_to_find, Ex::iterator st, Ex::iterator nd, std::vector< unsigned int > &store)
bool locate_object_set (const Ex &objs, Ex::iterator st, Ex::iterator nd, std::vector< unsigned int > &store)
bool separated_by_derivative (iterator, iterator, iterator check_dependence) const
 Figure out whether two objects (commonly indices) are separated by a derivative operator, as in.
void pushup_multiplier (iterator)
template<class BinaryPredicate>
unsigned int intersection_number (sibling_iterator, sibling_iterator, sibling_iterator, sibling_iterator, BinaryPredicate) const
 Determine the number of elements in the first range which also occur in the second range.
void node_zero (iterator)
void node_one (iterator)
void node_integer (iterator, int)
Static Protected Member Functions inherited from cadabra::Algorithm
static bool compare_ (const str_node &, const str_node &)
Protected Attributes inherited from cadabra::Algorithm
ProgressMonitorpm
bool traverse_ldots
Protected Attributes inherited from cadabra::ExManip
const Kernel & kernel
Extr

Constructor & Destructor Documentation

◆ fierz()

fierz::fierz ( const Kernel & k,
Ex & e,
Ex & args )

Member Function Documentation

◆ apply()

Algorithm::result_t fierz::apply ( iterator & it)
overridevirtual

Implements cadabra::Algorithm.

◆ can_apply()

bool fierz::can_apply ( iterator it)
overridevirtual

Implements cadabra::Algorithm.

Member Data Documentation

◆ dim

int cadabra::fierz::dim
private

◆ gam1

iterator cadabra::fierz::gam1
private

◆ gam2

iterator cadabra::fierz::gam2
private

◆ indprop

const Indices* cadabra::fierz::indprop
private

◆ prop1

const Spinor* cadabra::fierz::prop1
private

◆ prop2

const Spinor * cadabra::fierz::prop2
private

◆ prop3

const Spinor * cadabra::fierz::prop3
private

◆ prop4

const Spinor * cadabra::fierz::prop4
private

◆ spin1

iterator cadabra::fierz::spin1
private

◆ spin2

iterator cadabra::fierz::spin2
private

◆ spin3

iterator cadabra::fierz::spin3
private

◆ spin4

iterator cadabra::fierz::spin4
private

◆ spinor_list

Ex cadabra::fierz::spinor_list
private

◆ spinordim

int cadabra::fierz::spinordim
private

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