Utilities

Decorators

Decorators allow for input checking and default parameter setting for algorithms.

binary_quadratic_model_sampler(which_args)

Decorator to validate sampler arguments.

Graph Indexing

See Coordinates Conversion on instantiating the needed lattice size and setting correct domain and range for coordinates in a QPU working graph.

For the iterator versions of these functions, see the code.

Chimera

chimera_coordinates.chimera_to_linear(q)

Convert a 4-term Chimera coordinate to a linear index.

chimera_coordinates.linear_to_chimera(r)

Convert a linear index to a 4-term Chimera coordinate.

find_chimera_indices(G)

Attempts to determine the Chimera indices of the nodes in graph G.

Pegasus

pegasus_coordinates.linear_to_nice(r)

Convert a linear index into a 5-term nice coordinate.

pegasus_coordinates.linear_to_pegasus(r)

Convert a linear index into a 4-term Pegasus coordinate.

pegasus_coordinates.nice_to_linear(n)

Convert a 5-term nice coordinate into a linear index.

pegasus_coordinates.nice_to_pegasus(n)

Convert a 5-term nice coordinate into a 4-term Pegasus coordinate.

pegasus_coordinates.pegasus_to_linear(q)

Convert a 4-term Pegasus coordinate into a linear index.

pegasus_coordinates.pegasus_to_nice(p)

Convert a 4-term Pegasus coordinate to a 5-term nice coordinate.

Exceptions

Base exceptions and errors for D-Wave NetworkX.

All exceptions are derived from NetworkXException.

DWaveNetworkXException

Base class for exceptions in DWaveNetworkX.

DWaveNetworkXMissingSampler

Exception raised by an algorithm requiring a discrete model sampler when none is provided.