A class responsible for grouping two-qubit (CNOT,CZ,CH) and one-qubit gates into layers. More...

#include <Gates_block.h>

Inheritance diagram for Gates_block:

Public Member Functions
void	add_adaptive (int target_qbit, int control_qbit)
	Append a Adaptive gate to the list of gates. More...

void	add_adaptive_to_front (int target_qbit, int control_qbit)
	Add a Adaptive gate to the front of the list of gates. More...

void	add_ch (int target_qbit, int control_qbit)
	Append a CH gate (i.e. More...

void	add_ch_to_front (int target_qbit, int control_qbit)
	Add a CH gate (i.e. More...

void	add_child (Gate *child)
	Call to add a child gate to the current gate. More...

void	add_cnot (int target_qbit, int control_qbit)
	Append a CNOT gate gate to the list of gates. More...

void	add_cnot_to_front (int target_qbit, int control_qbit)
	Add a C_NOT gate gate to the front of the list of gates. More...

void	add_composite ()
	Append a Composite gate to the list of gates. More...

void	add_composite_to_front ()
	Add a Composite gate to the front of the list of gates. More...

void	add_cr (int target_qbit, int control_qbit)
	Append a CR gate to the list of gates. More...

void	add_cr_to_front (int target_qbit, int control_qbit)
	Add a CR gate to the front of the list of gates. More...

void	add_crot (int target_qbit, int control_qbit)
	Append a CROT gate gate to the list of gates. More...

void	add_crot_to_front (int target_qbit, int control_qbit)
	Add a CROT gate gate to the front of the list of gates. More...

void	add_cry (int target_qbit, int control_qbit)
	Append a CRY gate to the list of gates. More...

void	add_cry_to_front (int target_qbit, int control_qbit)
	Add a CRY gate to the front of the list of gates. More...

void	add_cz (int target_qbit, int control_qbit)
	Append a CZ gate gate to the list of gates. More...

void	add_cz_nu (int target_qbit, int control_qbit)
	Append a CZ_NU gate to the list of gates. More...

void	add_cz_nu_to_front (int target_qbit, int control_qbit)
	Add a CZ_NU gate to the front of the list of gates. More...

void	add_cz_to_front (int target_qbit, int control_qbit)
	Add a CZ gate gate to the front of the list of gates. More...

void	add_gate (Gate *gate)
	Append a general gate to the list of gates. More...

void	add_gate_nums (std::map< std::string, int > &gate_nums)
	Call to add the number of the individual gate types in the circuit to the map given in the argument. More...

void	add_gate_to_front (Gate *gate)
	Add an gate to the front of the list of gates. More...

void	add_gates (std::vector< Gate *> gates_in)
	Append a list of gates to the list of gates. More...

void	add_gates_to_front (std::vector< Gate *> gates_in)
	Add an array of gates to the front of the list of gates. More...

void	add_h (int target_qbit)
	Append a Hadamard gate to the list of gates. More...

void	add_h_to_front (int target_qbit)
	Add a Hadamard gate to the front of the list of gates. More...

void	add_on ()
	Append a ON gate to the list of gates. More...

void	add_on_to_front ()
	Add a OUN gate to the front of the list of gates. More...

void	add_parent (Gate *parent)
	Call to add a parent gate to the current gate. More...

void	add_r (int target_qbit)
	Append a R gate to the list of gates. More...

void	add_r_to_front (int target_qbit)
	Add a R gate to the front of the list of gates. More...

void	add_rx (int target_qbit)
	Append a RX gate to the list of gates. More...

void	add_rx_to_front (int target_qbit)
	Add a RX gate to the front of the list of gates. More...

void	add_ry (int target_qbit)
	Append a RY gate to the list of gates. More...

void	add_ry_to_front (int target_qbit)
	Add a RY gate to the front of the list of gates. More...

void	add_rz (int target_qbit)
	Append a RZ gate to the list of gates. More...

void	add_rz_to_front (int target_qbit)
	Add a RZ gate to the front of the list of gates. More...

void	add_sx (int target_qbit)
	Append a SX gate to the list of gates. More...

void	add_sx_to_front (int target_qbit)
	Add a SX gate to the front of the list of gates. More...

void	add_syc (int target_qbit, int control_qbit)
	Append a Sycamore gate (i.e. More...

void	add_syc_to_front (int target_qbit, int control_qbit)
	Add a Sycamore gate (i.e. More...

void	add_t (int target_qbit)
	Append a T gate to the list of gates. More...

void	add_t_to_front (int target_qbit)
	Add a T gate to the front of the list of gates. More...

void	add_tdg (int target_qbit)
	Append a Tdg gate to the list of gates. More...

void	add_tdg_to_front (int target_qbit)
	Add a Tdg gate to the front of the list of gates. More...

void	add_u1 (int target_qbit)
	Append a U1 gate to the list of gates. More...

void	add_u1_to_front (int target_qbit)
	Add a U1 gate to the front of the list of gates. More...

void	add_u2 (int target_qbit)
	Append a U2 gate to the list of gates. More...

void	add_u2_to_front (int target_qbit)
	Add a U2 gate to the front of the list of gates. More...

void	add_u3 (int target_qbit)
	Append a U3 gate to the list of gates. More...

void	add_u3_to_front (int target_qbit)
	Add a U3 gate to the front of the list of gates. More...

void	add_un ()
	Append a UN gate to the list of gates. More...

void	add_un_to_front ()
	Add a UN gate to the front of the list of gates. More...

void	add_x (int target_qbit)
	Append a X gate to the list of gates. More...

void	add_x_to_front (int target_qbit)
	Add a X gate to the front of the list of gates. More...

void	add_y (int target_qbit)
	Append a Y gate to the list of gates. More...

void	add_y_to_front (int target_qbit)
	Add a Y gate to the front of the list of gates. More...

void	add_z (int target_qbit)
	Append a Z gate to the list of gates. More...

void	add_z_to_front (int target_qbit)
	Add a Z gate to the front of the list of gates. More...

virtual std::vector< Matrix >	apply_derivate_to (Matrix_real &parameters_mtx, Matrix &input, int parallel)
	Call to evaluate the derivate of the circuit on an inout with respect to all of the free parameters. More...

virtual void	apply_from_right (Matrix_real &parameters_mtx, Matrix &input)
	Call to apply the gate on the input array/matrix by input*CNOT. More...

virtual void	apply_from_right (Matrix &input)
	Call to apply the gate on the input array/matrix by input*Gate. More...

virtual void	apply_to (Matrix_real &parameters_mtx, Matrix &input, int parallel=0)
	Call to apply the gate on the input array/matrix Gates_block*input. More...

virtual void	apply_to (Matrix &input, int parallel)
	Call to apply the gate on the input array/matrix. More...

void	apply_to_list (Matrix_real &parameters, std::vector< Matrix > &inputs, int parallel)
	Call to apply the gate on the input array/matrix by U3*input. More...

virtual void	apply_to_list (std::vector< Matrix > &inputs, int parallel)
	Call to apply the gate on a list of inputs. More...

virtual Matrix	calc_one_qubit_u3 (double Theta, double Phi, double Lambda)
	Calculate the matrix of a U3 gate gate corresponding to the given parameters acting on a single qbit space. More...

virtual Matrix	calc_one_qubit_u3 ()
	Calculate the matrix of the constans gates. More...

void	clear_children ()
	Call to erase data on children. More...

void	clear_parents ()
	Call to erase data on parents. More...

virtual Gates_block *	clone ()
	Create a clone of the present class. More...

void	combine (Gates_block *op_block)
	Call to append the gates of an gate block to the current block. More...

bool	contains_adaptive_gate ()
	Call to determine, whether the circuit contains daptive gate or not. More...

bool	contains_adaptive_gate (int idx)
	Call to determine, whether the sub-circuit at a given position in the circuit contains daptive gate or not. More...

Gates_block *	create_remapped_circuit (const std::map< int, int > &qbit_map)
	Call to create a new circuit with remapped qubits. More...

Gates_block *	create_remapped_circuit (const std::map< int, int > &qbit_map, const int qbit_num_)
	Call to create a new circuit with remapped qubits. More...

void	determine_children (Gate *gate)
	Call to obtain the child gates in the circuit. More...

void	determine_parents (Gate *gate)
	Call to obtain the parent gates in the circuit. More...

int	extract_gates (Gates_block *op_block)
	Call to extract the gates stored in the class. More...

virtual Matrix_real	extract_parameters (Matrix_real &parameters)
	Call to extract parameters from the parameter array corresponding to the circuit, in which the gate is embedded. More...

void	fragment_circuit ()

	Gates_block ()
	Default constructor of the class. More...

	Gates_block (int qbit_num_in)
	Constructor of the class. More...

std::vector< Gate * >	get_children ()
	Call to get the children of the current gate. More...

int	get_control_qbit ()
	Call to get the index of the control qubit. More...

Gates_block *	get_flat_circuit ()
	Method to generate a flat circuit. More...

Gate *	get_gate (int idx)
	Call to get the gates stored in the class. More...

int	get_gate_num ()
	Call to get the number of gates grouped in the class. More...

std::map< std::string, int >	get_gate_nums ()
	Call to get the number of the individual gate types in the list of gates. More...

std::vector< Gate * >	get_gates ()
	Call to get the gates stored in the class. More...

std::vector< int >	get_involved_qubits ()
	Call to get the qubits involved in the gates stored in the block of gates. More...

Matrix	get_matrix (Matrix_real &parameters)
	Call to retrieve the gate matrix (Which is the product of all the gate matrices stored in the gate block) More...

Matrix	get_matrix (Matrix_real &parameters, int parallel)
	Call to retrieve the gate matrix (Which is the product of all the gate matrices stored in the gate block) More...

virtual Matrix	get_matrix ()
	Call to retrieve the operation matrix. More...

virtual Matrix	get_matrix (int parallel)
	Call to retrieve the operation matrix. More...

std::string	get_name ()
	Call to get the name label of the gate. More...

void	get_parameter_max (Matrix_real &range_max)

int	get_parameter_num ()
	Call to get the number of free parameters. More...

int	get_parameter_start_idx ()
	Call to get the starting index of the parameters in the parameter array corresponding to the circuit in which the current gate is incorporated. More...

std::vector< Gate * >	get_parents ()
	Call to get the parents of the current gate. More...

int	get_qbit_num ()
	Call to get the number of qubits composing the unitary. More...

Matrix	get_reduced_density_matrix (Matrix_real &parameters_mtx, Matrix &input_state, matrix_base< int > &qbit_list_subset)
	Call to evaluate the reduced densiy matrix. More...

double	get_second_Renyi_entropy (Matrix_real &parameters_mtx, Matrix &input_state, matrix_base< int > &qbit_list)
	Call to evaluate the seconf RÃ©nyi entropy. More...

int	get_target_qbit ()
	Call to get the index of the target qubit. More...

gate_type	get_type ()
	Call to get the type of the operation. More...

void	insert_gate (Gate *gate, int idx)
	Call to insert a gate at a given position. More...

void	list_gates (const Matrix_real &parameters, int start_index)
	Call to print the list of gates stored in the block of gates for a specific set of parameters. More...

virtual void	parameters_for_calc_one_qubit (double &ThetaOver2, double &Phi, double &Lambda)
	Calculate the matrix of a U3 gate gate corresponding to the given parameters acting on a single qbit space. More...

void	print (const std::stringstream &sstream, int verbose_level=1) const
	Call to print output messages in the function of the verbosity level. More...

void	release_gate (int idx)
	Call to release one gate in the list. More...

void	release_gates ()
	Call to release the stored gates. More...

virtual void	reorder_qubits (std::vector< int > qbit_list)
	Call to reorder the qubits in the matrix of the gates (Obsolete function) More...

void	reset_dependency_graph ()
	Method to reset the dependency graph of the gates in the circuit. More...

void	reset_parameter_start_indices ()
	Method to reset the parameter start indices of gate operations incorporated in the circuit. More...

void	set_children (std::vector< Gate *> &children_)
	Call to set the children of the current gate. More...

void	set_control_qbit (int control_qbit_in)
	Call to set the control qubit for the gate operation. More...

void	set_debugfile (std::string debugfile)
	Call to set the debugfile name. More...

void	set_matrix (Matrix input)
	Call to set the stored matrix in the operation. More...

void	set_parameter_start_idx (int start_idx)
	Call to set the starting index of the parameters in the parameter array corresponding to the circuit in which the current gate is incorporated. More...

void	set_parents (std::vector< Gate *> &parents_)
	Call to set the parents of the current gate. More...

virtual void	set_qbit_num (int qbit_num_in)
	Set the number of qubits spanning the matrix of the gates stored in the block of gates. More...

void	set_target_qbit (int target_qbit_in)
	Call to set the target qubit for the gate operation. More...

void	set_verbose (int verbose_in)
	Call to set the verbose attribute. More...

virtual	~Gates_block ()
	Destructor of the class. More...

Public Attributes
bool	debug
	Logical variable. Set true to write output messages to the 'debug.txt' file. More...

std::string	debugfile_name
	String variable. Set the debug file name. More...

int	verbose
	Set the verbosity level of the output messages. More...

Protected Member Functions
void	apply_kernel_from_right (Matrix &u3_1qbit, Matrix &input)
	Call to apply the gate kernel on the input state or unitary from right (no AVX support) More...

void	apply_kernel_to (Matrix &u3_1qbit, Matrix &input, bool deriv=false, int parallel=0)
	Call to apply the gate kernel on the input state or unitary with optional AVX support. More...

Protected Attributes
std::vector< int >	block_end

std::vector< int >	block_type

std::vector< Gate * >	children
	list of child gates to be applied after this current gate More...

int	control_qbit
	The index of the qubit which acts as a control qubit (control_qbit >= 0) in controlled operations. More...

int	fragmentation_type

bool	fragmented
	boolean variable indicating whether the circuit was already partitioned or not More...

std::vector< Gate * >	gates
	The list of stored gates. More...

std::vector< std::vector< int > >	involved_qbits

int	layer_num
	number of gate layers More...

int	matrix_size
	The size N of the NxN matrix associated with the operations. More...

int	max_fusion
	maximal number of qubits in partitions More...

std::string	name
	A string labeling the gate operation. More...

int	parameter_num
	the number of free parameters of the operation More...

int	parameter_start_idx
	the index in the parameter array (corrensponding to the encapsulated circuit) where the gate parameters begin (if gates are placed into a circuit a single parameter array is used to execute the whole circuit) More...

std::vector< Gate * >	parents
	list of parent gates to be applied in the circuit prior to this current gate More...

int	qbit_num
	number of qubits spanning the matrix of the operation More...

int	target_qbit
	The index of the qubit on which the operation acts (target_qbit >= 0) More...

gate_type	type
	The type of the operation (see enumeration gate_type) More...

Detailed Description

A class responsible for grouping two-qubit (CNOT,CZ,CH) and one-qubit gates into layers.

Definition at line 41 of file Gates_block.h.

Constructor & Destructor Documentation

◆ Gates_block() [1/2]

Gates_block::Gates_block ( )

Default constructor of the class.

Definition at line 65 of file Gates_block.cpp.

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◆ Gates_block() [2/2]

Gates_block::Gates_block ( int qbit_num_in )

Constructor of the class.

Parameters

qbit_num_in The number of qubits in the unitaries

Definition at line 82 of file Gates_block.cpp.

◆ ~Gates_block()

Gates_block::~Gates_block ( )

virtual

Destructor of the class.

Definition at line 102 of file Gates_block.cpp.

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Member Function Documentation

◆ add_adaptive()

void Gates_block::add_adaptive	(	int	target_qbit,
		int	control_qbit
	)

Append a Adaptive gate to the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1577 of file Gates_block.cpp.

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◆ add_adaptive_to_front()

void Gates_block::add_adaptive_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a Adaptive gate to the front of the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1592 of file Gates_block.cpp.

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◆ add_ch()

void Gates_block::add_ch	(	int	target_qbit,
		int	control_qbit
	)

Append a CH gate (i.e.

controlled Hadamard gate) gate to the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

controlled Hadamard gate) operation to the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1438 of file Gates_block.cpp.

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◆ add_ch_to_front()

void Gates_block::add_ch_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CH gate (i.e.

controlled Hadamard gate) gate to the front of the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

controlled Hadamard gate) operation to the front of the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1455 of file Gates_block.cpp.

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◆ add_child()

void Gate::add_child ( Gate * child )

inherited

Call to add a child gate to the current gate.

Parameters

child The parent gate of the current gate.

Definition at line 426 of file Gate.cpp.

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◆ add_cnot()

void Gates_block::add_cnot	(	int	target_qbit,
		int	control_qbit
	)

Append a CNOT gate gate to the list of gates.

Append a C_NOT gate operation to the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1124 of file Gates_block.cpp.

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◆ add_cnot_to_front()

void Gates_block::add_cnot_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a C_NOT gate gate to the front of the list of gates.

Add a C_NOT gate operation to the front of the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1141 of file Gates_block.cpp.

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◆ add_composite()

void Gates_block::add_composite ( )

Append a Composite gate to the list of gates.

Definition at line 1548 of file Gates_block.cpp.

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◆ add_composite_to_front()

void Gates_block::add_composite_to_front ( )

Add a Composite gate to the front of the list of gates.

Definition at line 1560 of file Gates_block.cpp.

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◆ add_cr()

void Gates_block::add_cr	(	int	target_qbit,
		int	control_qbit
	)

Append a CR gate to the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 998 of file Gates_block.cpp.

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◆ add_cr_to_front()

void Gates_block::add_cr_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CR gate to the front of the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1014 of file Gates_block.cpp.

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◆ add_crot()

void Gates_block::add_crot	(	int	target_qbit,
		int	control_qbit
	)

Append a CROT gate gate to the list of gates.

Append a CROT gate to the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1030 of file Gates_block.cpp.

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◆ add_crot_to_front()

void Gates_block::add_crot_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CROT gate gate to the front of the list of gates.

Add a CROT gate to the front of the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1046 of file Gates_block.cpp.

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◆ add_cry()

void Gates_block::add_cry	(	int	target_qbit,
		int	control_qbit
	)

Append a CRY gate to the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 967 of file Gates_block.cpp.

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◆ add_cry_to_front()

void Gates_block::add_cry_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CRY gate to the front of the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 983 of file Gates_block.cpp.

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◆ add_cz()

void Gates_block::add_cz	(	int	target_qbit,
		int	control_qbit
	)

Append a CZ gate gate to the list of gates.

Append a CZ gate operation to the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1159 of file Gates_block.cpp.

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◆ add_cz_nu()

void Gates_block::add_cz_nu	(	int	target_qbit,
		int	control_qbit
	)

Append a CZ_NU gate to the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1061 of file Gates_block.cpp.

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◆ add_cz_nu_to_front()

void Gates_block::add_cz_nu_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CZ_NU gate to the front of the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1077 of file Gates_block.cpp.

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◆ add_cz_to_front()

void Gates_block::add_cz_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a CZ gate gate to the front of the list of gates.

Add a CZ gate operation to the front of the list of gates.

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1176 of file Gates_block.cpp.

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◆ add_gate()

void Gates_block::add_gate ( Gate * gate )

Append a general gate to the list of gates.

Parameters

gate	A pointer to a class Gate describing an gate.
gate	A pointer to a class Gate describing a gate operation.

Definition at line 1608 of file Gates_block.cpp.

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◆ add_gate_nums()

void Gates_block::add_gate_nums ( std::map< std::string, int > & gate_nums )

Call to add the number of the individual gate types in the circuit to the map given in the argument.

Parameters

A	map<gate_name, gate_count> describing the number of the individual gate types

Definition at line 1699 of file Gates_block.cpp.

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◆ add_gate_to_front()

void Gates_block::add_gate_to_front ( Gate * gate )

Add an gate to the front of the list of gates.

Add a gate to the front of the list of gates.

Parameters

gate	A pointer to a class Gate describing an gate.
gate	A pointer to a class Gate describing a gate.

Definition at line 1638 of file Gates_block.cpp.

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◆ add_gates()

void Gates_block::add_gates ( std::vector< Gate *> gates_in )

Append a list of gates to the list of gates.

Parameters

gates_in	A list of gate class instances.
gates_in	A list of operation class instances.

Definition at line 1469 of file Gates_block.cpp.

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◆ add_gates_to_front()

void Gates_block::add_gates_to_front ( std::vector< Gate *> gates_in )

Add an array of gates to the front of the list of gates.

Parameters

gates_in	A list of gate class instances.
gates_in	A list of operation class instances.

Definition at line 1482 of file Gates_block.cpp.

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◆ add_h()

void Gates_block::add_h ( int target_qbit )

Append a Hadamard gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1190 of file Gates_block.cpp.

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◆ add_h_to_front()

void Gates_block::add_h_to_front ( int target_qbit )

Add a Hadamard gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1203 of file Gates_block.cpp.

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◆ add_on()

void Gates_block::add_on ( )

Append a ON gate to the list of gates.

Definition at line 1522 of file Gates_block.cpp.

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◆ add_on_to_front()

void Gates_block::add_on_to_front ( )

Add a OUN gate to the front of the list of gates.

Add a ON gate to the front of the list of gates.

Definition at line 1534 of file Gates_block.cpp.

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◆ add_parent()

void Gate::add_parent ( Gate * parent )

inherited

Call to add a parent gate to the current gate.

Parameters

parent The parent gate of the current gate.

Definition at line 409 of file Gate.cpp.

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◆ add_r()

void Gates_block::add_r ( int target_qbit )

Append a R gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 907 of file Gates_block.cpp.

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◆ add_r_to_front()

void Gates_block::add_r_to_front ( int target_qbit )

Add a R gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 920 of file Gates_block.cpp.

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◆ add_rx()

void Gates_block::add_rx ( int target_qbit )

Append a RX gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 880 of file Gates_block.cpp.

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◆ add_rx_to_front()

void Gates_block::add_rx_to_front ( int target_qbit )

Add a RX gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 893 of file Gates_block.cpp.

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◆ add_ry()

void Gates_block::add_ry ( int target_qbit )

Append a RY gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 935 of file Gates_block.cpp.

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◆ add_ry_to_front()

void Gates_block::add_ry_to_front ( int target_qbit )

Add a RY gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 949 of file Gates_block.cpp.

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◆ add_rz()

void Gates_block::add_rz ( int target_qbit )

Append a RZ gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1093 of file Gates_block.cpp.

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◆ add_rz_to_front()

void Gates_block::add_rz_to_front ( int target_qbit )

Add a RZ gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1106 of file Gates_block.cpp.

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◆ add_sx()

void Gates_block::add_sx ( int target_qbit )

Append a SX gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1371 of file Gates_block.cpp.

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◆ add_sx_to_front()

void Gates_block::add_sx_to_front ( int target_qbit )

Add a SX gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1384 of file Gates_block.cpp.

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◆ add_syc()

void Gates_block::add_syc	(	int	target_qbit,
		int	control_qbit
	)

Append a Sycamore gate (i.e.

Append a Sycamore gate operation to the list of gates.

controlled Hadamard gate) gate to the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1403 of file Gates_block.cpp.

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◆ add_syc_to_front()

void Gates_block::add_syc_to_front	(	int	target_qbit,
		int	control_qbit
	)

Add a Sycamore gate (i.e.

Add a Sycamore gate operation to the front of the list of gates.

controlled Hadamard gate) gate to the front of the list of gates

Parameters

control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)
control_qbit	The identification number of the control qubit. (0 <= target_qbit <= qbit_num-1)
target_qbit	The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1420 of file Gates_block.cpp.

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◆ add_t()

void Gates_block::add_t ( int target_qbit )

Append a T gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1309 of file Gates_block.cpp.

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◆ add_t_to_front()

void Gates_block::add_t_to_front ( int target_qbit )

Add a T gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1322 of file Gates_block.cpp.

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◆ add_tdg()

void Gates_block::add_tdg ( int target_qbit )

Append a Tdg gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1339 of file Gates_block.cpp.

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◆ add_tdg_to_front()

void Gates_block::add_tdg_to_front ( int target_qbit )

Add a Tdg gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1352 of file Gates_block.cpp.

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◆ add_u1()

void Gates_block::add_u1 ( int target_qbit )

Append a U1 gate to the list of gates.

Parameters

target_qbit The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 801 of file Gates_block.cpp.

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◆ add_u1_to_front()

void Gates_block::add_u1_to_front ( int target_qbit )

Add a U1 gate to the front of the list of gates.

Parameters

target_qbit The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 814 of file Gates_block.cpp.

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◆ add_u2()

void Gates_block::add_u2 ( int target_qbit )

Append a U2 gate to the list of gates.

Parameters

target_qbit The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 827 of file Gates_block.cpp.

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◆ add_u2_to_front()

void Gates_block::add_u2_to_front ( int target_qbit )

Add a U2 gate to the front of the list of gates.

Parameters

target_qbit The identification number of the target qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 840 of file Gates_block.cpp.

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◆ add_u3()

void Gates_block::add_u3 ( int target_qbit )

Append a U3 gate to the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
Theta	The Theta parameter of the U3 gate
Phi	The Phi parameter of the U3 gate
Lambda	The Lambda parameter of the U3 gate
target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 853 of file Gates_block.cpp.

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◆ add_u3_to_front()

void Gates_block::add_u3_to_front ( int target_qbit )

Add a U3 gate to the front of the list of gates.

Parameters

target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)
Theta	The Theta parameter of the U3 gate
Phi	The Phi parameter of the U3 gate
Lambda	The Lambda parameter of the U3 gate
target_qbit	The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 866 of file Gates_block.cpp.

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◆ add_un()

void Gates_block::add_un ( )

Append a UN gate to the list of gates.

Definition at line 1496 of file Gates_block.cpp.

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◆ add_un_to_front()

void Gates_block::add_un_to_front ( )

Add a UN gate to the front of the list of gates.

Definition at line 1508 of file Gates_block.cpp.

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◆ add_x()

void Gates_block::add_x ( int target_qbit )

Append a X gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1221 of file Gates_block.cpp.

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◆ add_x_to_front()

void Gates_block::add_x_to_front ( int target_qbit )

Add a X gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1234 of file Gates_block.cpp.

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◆ add_y()

void Gates_block::add_y ( int target_qbit )

Append a Y gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1250 of file Gates_block.cpp.

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◆ add_y_to_front()

void Gates_block::add_y_to_front ( int target_qbit )

Add a Y gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1263 of file Gates_block.cpp.

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◆ add_z()

void Gates_block::add_z ( int target_qbit )

Append a Z gate to the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1279 of file Gates_block.cpp.

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◆ add_z_to_front()

void Gates_block::add_z_to_front ( int target_qbit )

Add a Z gate to the front of the list of gates.

Parameters

target_qbit The identification number of the targt qubit. (0 <= target_qbit <= qbit_num-1)

Definition at line 1292 of file Gates_block.cpp.

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◆ apply_derivate_to()

std::vector< Matrix > Gates_block::apply_derivate_to	(	Matrix_real &	parameters_mtx_in,
		Matrix &	input,
		int	parallel
	)

virtual

Call to evaluate the derivate of the circuit on an inout with respect to all of the free parameters.

Parameters

parameters	An array of the input parameters.
input	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP (NOT IMPLEMENTED YET) and 2 for parallel with TBB (optional)

Reimplemented from Gate.

Definition at line 698 of file Gates_block.cpp.

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◆ apply_from_right() [1/2]

void Gates_block::apply_from_right	(	Matrix_real &	parameters_mtx,
		Matrix &	input
	)

virtual

Call to apply the gate on the input array/matrix by input*CNOT.

Call to apply the gate on the input array/matrix by input*Gate_block.

Parameters

input The input array on which the gate is applied

Reimplemented in Composite.

Definition at line 557 of file Gates_block.cpp.

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◆ apply_from_right() [2/2]

void Gate::apply_from_right ( Matrix & input )

virtualinherited

Call to apply the gate on the input array/matrix by input*Gate.

Parameters

input The input array on which the gate is applied

Reimplemented in SX, H, X, Y, Z, T, Tdg, SYC, CH, CNOT, and CZ.

Definition at line 285 of file Gate.cpp.

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◆ apply_kernel_from_right()

void Gate::apply_kernel_from_right	(	Matrix &	u3_1qbit,
		Matrix &	input
	)

protectedinherited

Call to apply the gate kernel on the input state or unitary from right (no AVX support)

Parameters

u3_1qbit	The 2x2 kernel of the gate operation
input	The input matrix on which the transformation is applied
deriv	Set true to apply derivate transformation, false otherwise

Definition at line 613 of file Gate.cpp.

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◆ apply_kernel_to()

void Gate::apply_kernel_to	(	Matrix &	u3_1qbit,
		Matrix &	input,
		bool	deriv = `false`,
		int	parallel = `0`
	)

protectedinherited

Call to apply the gate kernel on the input state or unitary with optional AVX support.

Parameters

u3_1qbit	The 2x2 kernel of the gate operation
input	The input matrix on which the transformation is applied
deriv	Set true to apply derivate transformation, false otherwise (optional)
parallel	Set true to apply parallel kernels, false otherwise (optional)
parallel	Set 0 for sequential execution (default), 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)
u3_1qbit	The 2x2 kernel of the gate operation
input	The input matrix on which the transformation is applied
deriv	Set true to apply derivate transformation, false otherwise (optional)
deriv	Set true to apply parallel kernels, false otherwise (optional)
parallel	Set 0 for sequential execution (default), 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Definition at line 537 of file Gate.cpp.

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◆ apply_to() [1/2]

void Gates_block::apply_to	(	Matrix_real &	parameters_mtx_in,
		Matrix &	input,
		int	parallel = `0`
	)

virtual

Call to apply the gate on the input array/matrix Gates_block*input.

Parameters

parameters	An array of the input parameters.
input	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)
parameters	An array of parameters to calculate the matrix of the U3 gate.
input	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Reimplemented from Gate.

Reimplemented in Composite.

Definition at line 236 of file Gates_block.cpp.

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◆ apply_to() [2/2]

void Gate::apply_to	(	Matrix &	input,
		int	parallel
	)

virtualinherited

Call to apply the gate on the input array/matrix.

Parameters

input	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Reimplemented in SX, H, X, Y, Z, T, Tdg, CH, CZ, SYC, and CNOT.

Definition at line 237 of file Gate.cpp.

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◆ apply_to_list() [1/2]

void Gates_block::apply_to_list	(	Matrix_real &	parameters_mtx,
		std::vector< Matrix > &	inputs,
		int	parallel
	)

virtual

Call to apply the gate on the input array/matrix by U3*input.

Parameters

parameters	An array of parameters to calculate the matrix of the U3 gate.
inputs	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)
parameters	An array of parameters to calculate the matrix of the U3 gate.
input	The input array on which the gate is applied

Reimplemented from Gate.

Definition at line 203 of file Gates_block.cpp.

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◆ apply_to_list() [2/2]

void Gate::apply_to_list	(	std::vector< Matrix > &	inputs,
		int	parallel
	)

virtualinherited

Call to apply the gate on a list of inputs.

Parameters

inputs	The input array on which the gate is applied
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Definition at line 187 of file Gate.cpp.

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◆ calc_one_qubit_u3() [1/2]

Matrix Gate::calc_one_qubit_u3	(	double	ThetaOver2,
		double	Phi,
		double	Lambda
	)

virtualinherited

Calculate the matrix of a U3 gate gate corresponding to the given parameters acting on a single qbit space.

Parameters

Theta	Real parameter standing for the parameter theta.
Phi	Real parameter standing for the parameter phi.
Lambda	Real parameter standing for the parameter lambda.

Returns: Returns with the matrix of the one-qubit matrix.

Parameters

ThetaOver2	Real parameter standing for the parameter theta.
Phi	Real parameter standing for the parameter phi.
Lambda	Real parameter standing for the parameter lambda.

Returns: Returns with the matrix of the one-qubit matrix.

Definition at line 695 of file Gate.cpp.

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◆ calc_one_qubit_u3() [2/2]

Matrix Gate::calc_one_qubit_u3 ( )

virtualinherited

Calculate the matrix of the constans gates.

Returns: Returns with the matrix of the one-qubit matrix.

Reimplemented in SX, H, X, Y, Z, T, Tdg, CH, CNOT, and CZ.

Definition at line 750 of file Gate.cpp.

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◆ clear_children()

void Gate::clear_children ( )

inherited

Call to erase data on children.

Definition at line 441 of file Gate.cpp.

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◆ clear_parents()

void Gate::clear_parents ( )

inherited

Call to erase data on parents.

Definition at line 451 of file Gate.cpp.

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◆ clone()

Gates_block * Gates_block::clone ( )

virtual

Create a clone of the present class.

Returns: Return with a pointer pointing to the cloned object.

Reimplemented from Gate.

Reimplemented in Sub_Matrix_Decomposition, and Composite.

Definition at line 2379 of file Gates_block.cpp.

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◆ combine()

void Gates_block::combine ( Gates_block * op_block )

Call to append the gates of an gate block to the current block.

Call to append the gates of a gate block to the current circuit.

Parameters

op_block	A pointer to an instance of class Gate_block
op_block	A pointer to an instance of class Gates_block

Definition at line 2314 of file Gates_block.cpp.

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◆ contains_adaptive_gate() [1/2]

bool Gates_block::contains_adaptive_gate ( )

Call to determine, whether the circuit contains daptive gate or not.

Returns: Return with true if the circuit contains an adaptive gate.

Definition at line 2445 of file Gates_block.cpp.

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◆ contains_adaptive_gate() [2/2]

bool Gates_block::contains_adaptive_gate ( int idx )

Call to determine, whether the sub-circuit at a given position in the circuit contains daptive gate or not.

Parameters

idx	The position of the gate to be checked.

Returns: Return with true if the circuit contains an adaptive gate.

Definition at line 2472 of file Gates_block.cpp.

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◆ create_remapped_circuit() [1/2]

Gates_block * Gates_block::create_remapped_circuit ( const std::map< int, int > & qbit_map )

Call to create a new circuit with remapped qubits.

Parameters

qbit_map The map to reorder the qbits in a form of map: {int(initial_qbit): int(remapped_qbit)}.

Returns: Returns with the remapped circuit

Definition at line 2048 of file Gates_block.cpp.

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◆ create_remapped_circuit() [2/2]

Gates_block * Gates_block::create_remapped_circuit	(	const std::map< int, int > &	qbit_map,
		const int	qbit_num_
	)

Call to create a new circuit with remapped qubits.

Parameters

qbit_map	The map to reorder the qbits in a form of map: {int(initial_qbit): int(remapped_qbit)}. .
qbit_num	The number of qubits in the remapped circuit

Returns: Returns with the remapped circuit

Definition at line 2062 of file Gates_block.cpp.

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◆ determine_children()

void Gates_block::determine_children ( Gate * gate )

Call to obtain the child gates in the circuit.

A child gate needs to be applied after the given gate. The children gates are stored via the "children" attribute of the gate instance

Parameters

gate	The gate for which the children are determined.

Definition at line 2792 of file Gates_block.cpp.

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◆ determine_parents()

void Gates_block::determine_parents ( Gate * gate )

Call to obtain the parent gates in the circuit.

A parent gate needs to be applied prior to the given gate. The parent gates are stored via the "parents" attribute of the gate instance

Parameters

gate	The gate for which the parents are determined.

Definition at line 2746 of file Gates_block.cpp.

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◆ extract_gates()

int Gates_block::extract_gates ( Gates_block * op_block )

Call to extract the gates stored in the class.

Parameters

op_block An instance of Gates_block class in which the gates will be stored. (The current gates will be erased)

Returns: Return with 0 on success.

Definition at line 2404 of file Gates_block.cpp.

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◆ extract_parameters()

Matrix_real Gates_block::extract_parameters ( Matrix_real & parameters )

virtual

Call to extract parameters from the parameter array corresponding to the circuit, in which the gate is embedded.

Parameters

parameters The parameter array corresponding to the circuit in which the gate is embedded

Returns: Returns with the array of the extracted parameters.

Reimplemented from Gate.

Definition at line 2917 of file Gates_block.cpp.

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◆ fragment_circuit()

void Gates_block::fragment_circuit ( )

Definition at line 399 of file Gates_block.cpp.

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◆ get_children()

std::vector< Gate * > Gate::get_children ( )

inherited

Call to get the children of the current gate.

Returns: Returns with the list of the children

Definition at line 474 of file Gate.cpp.

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◆ get_control_qbit()

int Gate::get_control_qbit ( )

inherited

Call to get the index of the control qubit.

Returns: Return with the index of the control qubit (return with -1 if control qubit was not set)

Definition at line 378 of file Gate.cpp.

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◆ get_flat_circuit()

Gates_block * Gates_block::get_flat_circuit ( )

Method to generate a flat circuit.

A flat circuit is a circuit does not containing subcircuits: there are no Gates_block instances (containing subcircuits) in the resulting circuit. If the original circuit contains subcircuits, the gates in the subcircuits are directly incorporated in the resulting flat circuit.

Definition at line 2879 of file Gates_block.cpp.

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◆ get_gate()

Gate * Gates_block::get_gate ( int idx )

Call to get the gates stored in the class.

Call to get a gate stored in the class.

Returns: Return with a list of the gates.; Return with a pointer to the gate. (Borrowed reference, dont free the memory)

Definition at line 2300 of file Gates_block.cpp.

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◆ get_gate_num()

int Gates_block::get_gate_num ( )

Call to get the number of gates grouped in the class.

Returns: Return with the number of the gates grouped in the gate block.

Definition at line 1757 of file Gates_block.cpp.

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◆ get_gate_nums()

std::map< std::string, int > Gates_block::get_gate_nums ( )

Call to get the number of the individual gate types in the list of gates.

Returns: Returns with a map<gate_name, gate_count> describing the number of the individual gate types

Definition at line 1731 of file Gates_block.cpp.

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◆ get_gates()

std::vector< Gate * > Gates_block::get_gates ( )

Call to get the gates stored in the class.

Returns: Return with a list of the gates.

(The resulting vector contains borrowed pointers to the gates, so they dont need to be deleted.)

Returns: Return with a list of the gates.

Definition at line 2291 of file Gates_block.cpp.

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◆ get_involved_qubits()

std::vector< int > Gates_block::get_involved_qubits ( )

virtual

Call to get the qubits involved in the gates stored in the block of gates.

Returns: Return with a list of the involved qubits; Return with a list of the invovled qubits

Reimplemented from Gate.

Definition at line 2259 of file Gates_block.cpp.

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◆ get_matrix() [1/4]

Matrix Gates_block::get_matrix ( Matrix_real & parameters )

virtual

Call to retrieve the gate matrix (Which is the product of all the gate matrices stored in the gate block)

Call to retrieve the operation matrix (Which is the product of all the operation matrices stored in the operation block)

Parameters

parameters An array pointing to the parameters of the gates

Returns: Returns with the gate matrix

Parameters

parameters An array pointing to the parameters of the gates

Returns: Returns with the operation matrix

Reimplemented from Gate.

Definition at line 156 of file Gates_block.cpp.

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◆ get_matrix() [2/4]

Matrix Gates_block::get_matrix	(	Matrix_real &	parameters,
		int	parallel
	)

virtual

Call to retrieve the gate matrix (Which is the product of all the gate matrices stored in the gate block)

Call to retrieve the operation matrix (Which is the product of all the operation matrices stored in the operation block)

Parameters

parameters	An array pointing to the parameters of the gates
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Returns: Returns with the gate matrix

Parameters

parameters	An array pointing to the parameters of the gates
parallel	Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Returns: Returns with the operation matrix

Reimplemented from Gate.

Definition at line 172 of file Gates_block.cpp.

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◆ get_matrix() [3/4]

Matrix Gate::get_matrix ( )

virtualinherited

Call to retrieve the operation matrix.

Returns: Returns with a matrix of the operation

Reimplemented in SX, CH, CZ, H, X, Y, Z, CNOT, SYC, T, and Tdg.

Definition at line 129 of file Gate.cpp.

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◆ get_matrix() [4/4]

Matrix Gate::get_matrix ( int parallel )

virtualinherited

Call to retrieve the operation matrix.

Parameters

parallel Set 0 for sequential execution, 1 for parallel execution with OpenMP and 2 for parallel with TBB (optional)

Returns: Returns with the matrix of the operation

Reimplemented in SX, H, X, Y, CH, CZ, SYC, Z, CNOT, T, and Tdg.

Definition at line 141 of file Gate.cpp.

◆ get_name()

std::string Gate::get_name ( )

inherited

Call to get the name label of the gate.

Returns: Returns with the name label of the gate

Definition at line 839 of file Gate.cpp.

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◆ get_parameter_max()

void Gates_block::get_parameter_max ( Matrix_real & range_max )

Definition at line 492 of file Gates_block.cpp.

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◆ get_parameter_num()

int Gates_block::get_parameter_num ( )

Call to get the number of free parameters.

Returns: Return with the number of parameters of the gates grouped in the gate block.

Definition at line 1746 of file Gates_block.cpp.

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◆ get_parameter_start_idx()

int Gate::get_parameter_start_idx ( )

inherited

Call to get the starting index of the parameters in the parameter array corresponding to the circuit in which the current gate is incorporated.

Parameters

start_idx The starting index

Definition at line 814 of file Gate.cpp.

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◆ get_parents()

std::vector< Gate * > Gate::get_parents ( )

inherited

Call to get the parents of the current gate.

Returns: Returns with the list of the parents

Definition at line 463 of file Gate.cpp.

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◆ get_qbit_num()

int Gate::get_qbit_num ( )

inherited

Call to get the number of qubits composing the unitary.

Returns: Return with the number of qubits composing the unitary

Definition at line 504 of file Gate.cpp.

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◆ get_reduced_density_matrix()

Matrix Gates_block::get_reduced_density_matrix	(	Matrix_real &	parameters_mtx,
		Matrix &	input_state,
		matrix_base< int > &	qbit_list_subset
	)

Call to evaluate the reduced densiy matrix.

Parameters

parameters	An array of parameters to calculate the entropy
input_state	The input state on which the gate structure is applied
qbit_list	Subset of qubits for which the entropy should be calculated. (Should conatin unique elements) Returns with the reduced density matrix.

Definition at line 2499 of file Gates_block.cpp.

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◆ get_second_Renyi_entropy()

double Gates_block::get_second_Renyi_entropy	(	Matrix_real &	parameters_mtx,
		Matrix &	input_state,
		matrix_base< int > &	qbit_list_subset
	)

The quantum circuit is applied on an input state input. The entropy is evaluated for the transformed state.

Parameters

parameters	An array of parameters to calculate the entropy
input_state	The input state on which the gate structure is applied
qbit_list	Subset of qubits for which the entropy should be calculated. (Should conatin unique elements) Returns with the calculated entropy

Definition at line 2676 of file Gates_block.cpp.

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◆ get_target_qbit()

int Gate::get_target_qbit ( )

inherited

Call to get the index of the target qubit.

Returns: Return with the index of the target qubit (return with -1 if target qubit was not set)

Definition at line 370 of file Gate.cpp.

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◆ get_type()

gate_type Gate::get_type ( )

inherited

Call to get the type of the operation.

Returns: Return with the type of the operation (see gate_type for details)

Definition at line 495 of file Gate.cpp.

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◆ insert_gate()

void Gates_block::insert_gate	(	Gate *	gate,
		int	idx
	)

Call to insert a gate at a given position.

Parameters

gate	A pointer to a class Gate describing a gate.
idx	The position where to insert the gate.

Definition at line 1671 of file Gates_block.cpp.

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◆ list_gates()

void Gates_block::list_gates	(	const Matrix_real &	parameters,
		int	start_index
	)

Call to print the list of gates stored in the block of gates for a specific set of parameters.

Parameters

parameters	The parameters of the gates that should be printed.
start_index	The ordinal number of the first gate.

Definition at line 1767 of file Gates_block.cpp.

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◆ parameters_for_calc_one_qubit()

void Gate::parameters_for_calc_one_qubit	(	double &	ThetaOver2,
		double &	Phi,
		double &	Lambda
	)

virtualinherited

Calculate the matrix of a U3 gate gate corresponding to the given parameters acting on a single qbit space.

Set static values for the angles and constans parameters for calculating the matrix of the gates.

Parameters

Theta	Real parameter standing for the parameter theta.
Phi	Real parameter standing for the parameter phi.
Lambda	Real parameter standing for the parameter lambda.

Returns: Returns with the matrix of the one-qubit matrix.

Parameters

ThetaOver2	Real parameter standing for the parameter theta.
Phi	Real parameter standing for the parameter phi.
Lambda	Real parameter standing for the parameter lambda.

Reimplemented in RY, RX, RZ, RZ_P, U1, and U2.

Definition at line 767 of file Gate.cpp.

◆ print()

void logging::print	(	const std::stringstream &	sstream,
		int	verbose_level = `1`
	)		const

inherited

Call to print output messages in the function of the verbosity level.

Parameters

sstream	The stringstream input to store the output messages.
verbose_level	Integer input. High level means write more to the standart output, 0 means write nothing. The default value is set to 1.

Definition at line 55 of file logging.cpp.

◆ release_gate()

void Gates_block::release_gate ( int idx )

Call to release one gate in the list.

Definition at line 133 of file Gates_block.cpp.

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◆ release_gates()

void Gates_block::release_gates ( )

Call to release the stored gates.

Definition at line 112 of file Gates_block.cpp.

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◆ reorder_qubits()

void Gates_block::reorder_qubits ( std::vector< int > qbit_list )

virtual

Call to reorder the qubits in the matrix of the gates (Obsolete function)

Call to reorder the qubits in the matrix of the gate (OBSOLETE function)

Parameters

qbit_list The reordered list of qubits spanning the matrix

Reimplemented from Gate.

Reimplemented in Decomposition_Base, and Composite.

Definition at line 2135 of file Gates_block.cpp.

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◆ reset_dependency_graph()

void Gates_block::reset_dependency_graph ( )

Method to reset the dependency graph of the gates in the circuit.

Definition at line 2850 of file Gates_block.cpp.

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◆ reset_parameter_start_indices()

void Gates_block::reset_parameter_start_indices ( )

Method to reset the parameter start indices of gate operations incorporated in the circuit.

Method reset the parameter start indices of gate operations incorporated in the circuit.

(When a gate is inserted into the circuit at other position than the end.)

Definition at line 2829 of file Gates_block.cpp.

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◆ set_children()

void Gate::set_children ( std::vector< Gate *> & children_ )

inherited

Call to set the children of the current gate.

Parameters

children_ the list of the children

Definition at line 802 of file Gate.cpp.

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◆ set_control_qbit()

void Gate::set_control_qbit ( int control_qbit_in )

inherited

Call to set the control qubit for the gate operation.

Parameters

control_qbit_in The control qubit. Should be: 0 <= control_qbit_in < qbit_num

Definition at line 308 of file Gate.cpp.

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◆ set_debugfile()

void logging::set_debugfile ( std::string debugfile )

inherited

Call to set the debugfile name.

Parameters

debugfile String variable. Set the debugfile name.

Definition at line 95 of file logging.cpp.

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◆ set_matrix()

void Gate::set_matrix ( Matrix input )

inherited

Call to set the stored matrix in the operation.

Parameters

input The operation matrix to be stored. The matrix is stored by attribute matrix_alloc.

Returns: Returns with 0 on success.

Definition at line 299 of file Gate.cpp.

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◆ set_parameter_start_idx()

void Gate::set_parameter_start_idx ( int start_idx )

inherited

Call to set the starting index of the parameters in the parameter array corresponding to the circuit in which the current gate is incorporated.

Parameters

start_idx The starting index

Definition at line 779 of file Gate.cpp.

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◆ set_parents()

void Gate::set_parents ( std::vector< Gate *> & parents_ )

inherited

Call to set the parents of the current gate.

Parameters

parents_ the list of the parents

Definition at line 790 of file Gate.cpp.

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◆ set_qbit_num()

void Gates_block::set_qbit_num ( int qbit_num_in )

virtual

Set the number of qubits spanning the matrix of the gates stored in the block of gates.

Parameters

qbit_num_in The number of qubits spanning the matrices.

Reimplemented from Gate.

Reimplemented in Decomposition_Base, and Composite.

Definition at line 2338 of file Gates_block.cpp.

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◆ set_target_qbit()

void Gate::set_target_qbit ( int target_qbit_in )

inherited

Call to set the target qubit for the gate operation.

Parameters

target_qbit_in The target qubit on which the gate is applied. Should be: 0 <= target_qbit_in < qbit_num

Definition at line 324 of file Gate.cpp.

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◆ set_verbose()

void logging::set_verbose ( int verbose_in )

inherited

Call to set the verbose attribute.

Parameters

verbose_in Integer variable. Set the number to specify the verbosity level for output messages.

Definition at line 85 of file logging.cpp.

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Member Data Documentation

◆ block_end

std::vector<int> Gates_block::block_end

protected

Definition at line 59 of file Gates_block.h.

◆ block_type

std::vector<int> Gates_block::block_type

protected

Definition at line 60 of file Gates_block.h.

◆ children

std::vector<Gate*> Gate::children

protectedinherited

list of child gates to be applied after this current gate

Definition at line 98 of file Gate.h.

◆ control_qbit

int Gate::control_qbit

protectedinherited

The index of the qubit which acts as a control qubit (control_qbit >= 0) in controlled operations.

Definition at line 88 of file Gate.h.

◆ debug

bool logging::debug

inherited

Logical variable. Set true to write output messages to the 'debug.txt' file.

Definition at line 53 of file logging.h.

◆ debugfile_name

std::string logging::debugfile_name

inherited

String variable. Set the debug file name.

Definition at line 56 of file logging.h.

◆ fragmentation_type

int Gates_block::fragmentation_type

protected

Definition at line 55 of file Gates_block.h.

◆ fragmented

bool Gates_block::fragmented

protected

boolean variable indicating whether the circuit was already partitioned or not

Definition at line 54 of file Gates_block.h.

◆ gates

std::vector<Gate*> Gates_block::gates

protected

The list of stored gates.

Definition at line 46 of file Gates_block.h.

◆ involved_qbits

std::vector< std::vector<int> > Gates_block::involved_qbits

protected

Definition at line 58 of file Gates_block.h.

◆ layer_num

int Gates_block::layer_num

protected

number of gate layers

Definition at line 48 of file Gates_block.h.

◆ matrix_size

int Gate::matrix_size

protectedinherited

The size N of the NxN matrix associated with the operations.

Definition at line 90 of file Gate.h.

◆ max_fusion

int Gates_block::max_fusion

protected

maximal number of qubits in partitions

Definition at line 57 of file Gates_block.h.

◆ name

std::string Gate::name

protectedinherited

A string labeling the gate operation.

Definition at line 80 of file Gate.h.

◆ parameter_num

int Gate::parameter_num

protectedinherited

the number of free parameters of the operation

Definition at line 92 of file Gate.h.

◆ parameter_start_idx

int Gate::parameter_start_idx

protectedinherited

the index in the parameter array (corrensponding to the encapsulated circuit) where the gate parameters begin (if gates are placed into a circuit a single parameter array is used to execute the whole circuit)

Definition at line 94 of file Gate.h.

◆ parents

std::vector<Gate*> Gate::parents

protectedinherited

list of parent gates to be applied in the circuit prior to this current gate

Definition at line 96 of file Gate.h.

◆ qbit_num

int Gate::qbit_num

protectedinherited

number of qubits spanning the matrix of the operation

Definition at line 82 of file Gate.h.

◆ target_qbit

int Gate::target_qbit

protectedinherited

The index of the qubit on which the operation acts (target_qbit >= 0)

Definition at line 86 of file Gate.h.

◆ type

gate_type Gate::type

protectedinherited

The type of the operation (see enumeration gate_type)

Definition at line 84 of file Gate.h.

◆ verbose

int logging::verbose

inherited

Set the verbosity level of the output messages.

Definition at line 50 of file logging.h.

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

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Gates_block() [1/2]

◆ Gates_block() [2/2]

◆ ~Gates_block()

Member Function Documentation

◆ add_adaptive()

◆ add_adaptive_to_front()

◆ add_ch()

◆ add_ch_to_front()

◆ add_child()

◆ add_cnot()

◆ add_cnot_to_front()

◆ add_composite()

◆ add_composite_to_front()

◆ add_cr()

◆ add_cr_to_front()

◆ add_crot()

◆ add_crot_to_front()

◆ add_cry()

◆ add_cry_to_front()

◆ add_cz()

◆ add_cz_nu()

◆ add_cz_nu_to_front()

◆ add_cz_to_front()

◆ add_gate()

◆ add_gate_nums()

◆ add_gate_to_front()

◆ add_gates()

◆ add_gates_to_front()

◆ add_h()

◆ add_h_to_front()

◆ add_on()

◆ add_on_to_front()

◆ add_parent()

◆ add_r()

◆ add_r_to_front()

◆ add_rx()

◆ add_rx_to_front()

◆ add_ry()

◆ add_ry_to_front()

◆ add_rz()

◆ add_rz_to_front()

◆ add_sx()

◆ add_sx_to_front()

◆ add_syc()

◆ add_syc_to_front()

◆ add_t()

◆ add_t_to_front()

◆ add_tdg()

◆ add_tdg_to_front()

◆ add_u1()

◆ add_u1_to_front()

◆ add_u2()

◆ add_u2_to_front()

◆ add_u3()

◆ add_u3_to_front()

◆ add_un()

◆ add_un_to_front()

◆ add_x()

◆ add_x_to_front()

◆ add_y()

◆ add_y_to_front()

◆ add_z()

◆ add_z_to_front()

◆ apply_derivate_to()

◆ apply_from_right() [1/2]

◆ apply_from_right() [2/2]

◆ apply_kernel_from_right()

◆ apply_kernel_to()

◆ apply_to() [1/2]

◆ apply_to() [2/2]

◆ apply_to_list() [1/2]

◆ apply_to_list() [2/2]

◆ calc_one_qubit_u3() [1/2]

◆ calc_one_qubit_u3() [2/2]