0.7.6

New Features

• Chain break methods now accept sample-like inputs
• DWaveSampler.sample_ising matches the cloud-client's behaviour for 0 biases in a list

Fixes

• Fix isolated variables with zero biases in PolyCutOffComposite
• Catch the correct exception in from child_structure_dfs in the AutoEmbeddingComposite
• Fix chimera.find_clique_embedding's to work with two-variable cliques

0.7.5

Fixes

• DWaveSampler now raises the correct exception when given a mismatched QUBO

0.7.4

New Features

• chain_break_method sampling parameter for embedding composites
• EmbeddingComposite accepts a find_embedding parameter
• ramp schedule function
• AutoEmbeddingComposite
• Embedding composites now use depth first search to find the structure of their children
• Add new scale_aware keyword argument for embedding composites so they work nicely with the ScaleComposite
• DWaveSampler now raises an exception when the problem does not match the QPU

Fixes

• VirtualGraphComposite now correctly uses the chain_strength provided/calculated at construction

Changes

• Deprecated FixedEmbeddingComposite's source_adjacency parameter

0.7.3

New Features

• draw_chimera_bqm function to draw a Chimera-structured binary quadratic model.
• common_working_graph function that finds a graph with the nodes and edges common to two graphs.

Fixes

• chain_break_frequency now correctly uses the number of occurrences in its calculations.
• dwave.embedding.chimera.find_clique_embedding now handles the K1 and K2 special cases and returns and embedding of optimal chain length.
• TilingComposite now propagates SampleSet.info returned by its child sampler.

0.7.2

New Features

• CutOffComposite and PolyCutOffComposite
• Support 'nice' Pegasus labelling with pegasus.find_clique_embedding

0.7.1

Fixes

• Remove dwave-networkx version upper bound to resolve version conflicts

0.7.0

Changes

• Use the dwave.embedding namespace for embedding utilities rather than dimod.embedding
• Use dimod 0.8.x, especially SampleSet rather than Response.

New Features

• dwave.embedding namespace
• broken_chains function to find broken chains in samplesets
• chain break resolution functions: discard, majority_vote, weighted_random, MinimizeEnergy
• embed_bqm, embed_ising and embed_qubo functions.
• unembed_sampleset function
• target_to_source function that determines the source graph from a target graph and embedding
• chain_to_quadratic function that finds the quadratic biases that induce a chain
• chain_break_frequency function to find the frequency of chains being broken in a sample set
• find_clique_embedding function for pegasus
• Exceptions for specific embedding issues in dwave.embedding.exceptions

Bug Fixes

• EmbeddingComposite embeds in spin-space, eliminating some energy range errors.

0.6.0

• Add LazyFixedEmbeddingComposite
• Use feature-based solver definition in DWaveSampler

0.5.4

• New dwave.embedding subpackage

0.5.3

• bug fixes for initial_state kwarg
• propagate chain break fraction by default