Base class for the representation of general gate operations. More...

#include <Gate.h>

Inheritance diagram for Gate:

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

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

virtual std::vector< Matrix >	apply_derivate_to (Matrix_real &parameters_mtx_in, 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 &input)
	Call to apply the gate on the input array/matrix by input*Gate. More...

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

virtual void	apply_to (Matrix_real &parameter_mtx, Matrix &input, int parallel)
	Abstract function to be overriden in derived classes to be used to transform an input upon a parametric gate operation. More...

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

virtual void	apply_to_list (Matrix_real &parameters_mtx, std::vector< Matrix > &inputs, int parallel)
	Abstract function to be overriden in derived classes to be used to transform a list of inputs upon a parametric gate operation. 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 Gate *	clone ()
	Call to create a clone of the present 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...

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

	Gate (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...

virtual std::vector< int >	get_involved_qubits ()
	Call to get the qubits involved in the gate operation. 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...

virtual Matrix	get_matrix (Matrix_real &parameters)
	Call to retrieve the gate matrix. More...

virtual Matrix	get_matrix (Matrix_real &parameters, int parallel)
	Call to retrieve the gate matrix. More...

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

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...

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...

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...

virtual void	reorder_qubits (std::vector< int > qbit_list)
	Call to reorder the qubits in the matrix of the operation. 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 operation. 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	~Gate ()
	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< 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	matrix_size
	The size N of the NxN matrix associated with the operations. 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...

Private Attributes
Matrix	matrix_alloc
	Matrix of the operation. More...

Detailed Description

Base class for the representation of general gate operations.

Definition at line 73 of file Gate.h.

Constructor & Destructor Documentation

◆ Gate() [1/2]

Gate::Gate ( )

Default constructor of the class.

Deafult constructor of the class.

Returns: An instance of the class

Definition at line 39 of file Gate.cpp.

Here is the caller graph for this function:

◆ ~Gate()

Gate::~Gate ( )

virtual

Destructor of the class.

Definition at line 95 of file Gate.cpp.

◆ Gate() [2/2]

Gate::Gate ( int qbit_num_in )

Constructor of the class.

Parameters

qbit_num_in The number of qubits spanning the unitaries

Returns: An instance of the class

Definition at line 66 of file Gate.cpp.

Here is the call graph for this function:

Member Function Documentation

◆ add_child()

void Gate::add_child ( Gate * child )

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.

Here is the caller graph for this function:

◆ add_parent()

void Gate::add_parent ( Gate * parent )

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.

Here is the caller graph for this function:

◆ apply_derivate_to()

std::vector< Matrix > Gate::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 in Gates_block, CZ_NU, U3, RY, Adaptive, R, RX, RZ_P, RZ, U1, U2, CRY, and CROT.

Definition at line 271 of file Gate.cpp.

Here is the caller graph for this function:

◆ apply_from_right()

void Gate::apply_from_right ( Matrix & input )

virtual

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ apply_kernel_from_right()

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

protected

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ apply_kernel_to()

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

protected

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ apply_to() [1/2]

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

virtual

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ apply_to() [2/2]

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

virtual

Abstract function to be overriden in derived classes to be used to transform an input upon a parametric gate operation.

Parameters

parameter_mtx	An array conatining the 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 Gates_block, Composite, Adaptive, U3, CZ_NU, ON, UN, RY, R, RX, RZ, RZ_P, CRY, U1, U2, and CROT.

Definition at line 257 of file Gate.cpp.

◆ apply_to_list() [1/2]

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

virtual

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ apply_to_list() [2/2]

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

virtual

Abstract function to be overriden in derived classes to be used to transform a list of inputs upon a parametric gate operation.

Parameters

parameter_mtx	An array conatining the parameters of the 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)

Reimplemented in Gates_block, CZ_NU, U3, and CROT.

Definition at line 223 of file Gate.cpp.

◆ calc_one_qubit_u3() [1/2]

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

virtual

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.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ calc_one_qubit_u3() [2/2]

Matrix Gate::calc_one_qubit_u3 ( )

virtual

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.

Here is the caller graph for this function:

◆ clear_children()

void Gate::clear_children ( )

Call to erase data on children.

Definition at line 441 of file Gate.cpp.

Here is the caller graph for this function:

◆ clear_parents()

void Gate::clear_parents ( )

Call to erase data on parents.

Definition at line 451 of file Gate.cpp.

Here is the caller graph for this function:

◆ clone()

Gate * Gate::clone ( )

virtual

Call to create a clone of the present class.

Returns: Return with a pointer pointing to the cloned object

Reimplemented in Gates_block, Sub_Matrix_Decomposition, CZ_NU, ON, UN, Composite, U3, Adaptive, CH, CNOT, CZ, RY, SYC, SX, RX, U1, U2, H, RZ, RZ_P, X, Y, Z, T, Tdg, R, CRY, custom_kernel_1qubit_gate, and CROT.

Definition at line 513 of file Gate.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ extract_parameters()

Matrix_real Gate::extract_parameters ( Matrix_real & parameters )

virtual

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

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

Parameters

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

Returns: Returns with the array of the extracted parameters.; Returns with the array of the extracted parameters.

Reimplemented in Gates_block, U3, Adaptive, RY, RZ, U1, U2, RX, R, CRY, and CROT.

Definition at line 827 of file Gate.cpp.

◆ get_children()

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

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.

Here is the caller graph for this function:

◆ get_control_qbit()

int Gate::get_control_qbit ( )

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.

Here is the caller graph for this function:

◆ get_involved_qubits()

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

virtual

Call to get the qubits involved in the gate operation.

Returns: Return with a list of the involved qubits

Reimplemented in Gates_block.

Definition at line 386 of file Gate.cpp.

Here is the caller graph for this function:

◆ get_matrix() [1/4]

Matrix Gate::get_matrix ( )

virtual

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.

Here is the caller graph for this function:

◆ get_matrix() [2/4]

Matrix Gate::get_matrix ( int parallel )

virtual

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_matrix() [3/4]

Matrix Gate::get_matrix ( Matrix_real & parameters )

virtual

Call to retrieve the gate matrix.

Parameters

parameters An array of parameters to calculate the matrix of the U3 gate.

Returns: Returns with a matrix of the gate

Reimplemented in Gates_block, Composite, CZ_NU, ON, UN, and U3.

Definition at line 155 of file Gate.cpp.

◆ get_matrix() [4/4]

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

virtual

Call to retrieve the gate matrix.

Parameters

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

Returns: Returns with a matrix of the gate

Reimplemented in Gates_block, Composite, CZ_NU, ON, UN, and U3.

Definition at line 171 of file Gate.cpp.

◆ get_name()

std::string Gate::get_name ( )

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.

Here is the caller graph for this function:

◆ get_parameter_num()

int Gate::get_parameter_num ( )

Call to get the number of free parameters.

Returns: Return with the number of the free parameters

Definition at line 486 of file Gate.cpp.

Here is the caller graph for this function:

◆ get_parameter_start_idx()

int Gate::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.

Parameters

start_idx The starting index

Definition at line 814 of file Gate.cpp.

Here is the caller graph for this function:

◆ get_parents()

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

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.

Here is the caller graph for this function:

◆ get_qbit_num()

int Gate::get_qbit_num ( )

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.

Here is the caller graph for this function:

◆ get_target_qbit()

int Gate::get_target_qbit ( )

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.

Here is the caller graph for this function:

◆ get_type()

gate_type Gate::get_type ( )

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.

Here is the caller graph for this function:

◆ parameters_for_calc_one_qubit()

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

virtual

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.

◆ reorder_qubits()

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

virtual

Call to reorder the qubits in the matrix of the operation.

Parameters

qbit_list The reordered list of qubits spanning the matrix

Reimplemented in Gates_block, Decomposition_Base, CZ_NU, U3, Composite, SX, H, X, Y, Z, T, Tdg, ON, UN, SYC, CH, CNOT, CZ, and CROT.

Definition at line 339 of file Gate.cpp.

Here is the caller graph for this function:

◆ set_children()

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

Call to set the children of the current gate.

Parameters

children_ the list of the children

Definition at line 802 of file Gate.cpp.

Here is the caller graph for this function:

◆ set_control_qbit()

void Gate::set_control_qbit ( int control_qbit_in )

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.

Here is the caller graph for this function:

◆ 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.

Here is the caller graph for this function:

◆ set_matrix()

void Gate::set_matrix ( Matrix input )

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.

Here is the caller graph for this function:

◆ set_parameter_start_idx()

void Gate::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.

Parameters

start_idx The starting index

Definition at line 779 of file Gate.cpp.

Here is the caller graph for this function:

◆ set_parents()

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

Call to set the parents of the current gate.

Parameters

parents_ the list of the parents

Definition at line 790 of file Gate.cpp.

Here is the caller graph for this function:

◆ set_qbit_num()

void Gate::set_qbit_num ( int qbit_num_in )

virtual

Set the number of qubits spanning the matrix of the operation.

Parameters

qbit_num_in The number of qubits spanning the matrix

Reimplemented in Gates_block, Decomposition_Base, CZ_NU, U3, Composite, SX, H, X, Y, ON, UN, Z, T, Tdg, SYC, CNOT, CH, CZ, and CROT.

Definition at line 102 of file Gate.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ set_target_qbit()

void Gate::set_target_qbit ( int target_qbit_in )

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.

Here is the caller graph for this function:

◆ 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.

Here is the caller graph for this function:

Member Data Documentation

◆ children

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

protected

list of child gates to be applied after this current gate

Definition at line 97 of file Gate.h.

◆ control_qbit

int Gate::control_qbit

protected

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

Definition at line 87 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.

◆ matrix_alloc

Matrix Gate::matrix_alloc

private

Matrix of the operation.

Definition at line 102 of file Gate.h.

◆ matrix_size

int Gate::matrix_size

protected

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

Definition at line 89 of file Gate.h.

◆ name

std::string Gate::name

protected

A string labeling the gate operation.

Definition at line 79 of file Gate.h.

◆ parameter_num

int Gate::parameter_num

protected

the number of free parameters of the operation

Definition at line 91 of file Gate.h.

◆ parameter_start_idx

int Gate::parameter_start_idx

protected

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 93 of file Gate.h.

◆ parents

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

protected

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

Definition at line 95 of file Gate.h.

◆ qbit_num

int Gate::qbit_num

protected

number of qubits spanning the matrix of the operation

Definition at line 81 of file Gate.h.

◆ target_qbit

int Gate::target_qbit

protected

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

Definition at line 85 of file Gate.h.

◆ type

gate_type Gate::type

protected

The type of the operation (see enumeration gate_type)

Definition at line 83 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

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Gate() [1/2]

◆ ~Gate()

◆ Gate() [2/2]

Member Function Documentation

◆ add_child()

◆ add_parent()

◆ apply_derivate_to()

◆ apply_from_right()

◆ 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]

◆ clear_children()

◆ clear_parents()

◆ clone()

◆ extract_parameters()

◆ get_children()

◆ get_control_qbit()

◆ get_involved_qubits()

◆ get_matrix() [1/4]

◆ get_matrix() [2/4]

◆ get_matrix() [3/4]

◆ get_matrix() [4/4]

◆ get_name()

◆ get_parameter_num()

◆ get_parameter_start_idx()

◆ get_parents()

◆ get_qbit_num()

◆ get_target_qbit()

◆ get_type()

◆ parameters_for_calc_one_qubit()

◆ print()

◆ reorder_qubits()

◆ set_children()

◆ set_control_qbit()

◆ set_debugfile()

◆ set_matrix()

◆ set_parameter_start_idx()

◆ set_parents()

◆ set_qbit_num()

◆ set_target_qbit()

◆ set_verbose()

Member Data Documentation

◆ children

◆ control_qbit

◆ debug

◆ debugfile_name

◆ matrix_alloc

◆ matrix_size

◆ name

◆ parameter_num

◆ parameter_start_idx

◆ parents

◆ qbit_num

◆ target_qbit

◆ type

◆ verbose