dwavesystems/dwave-optimization

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Enables the formulation of nonlinear models for industrial optimization problems.

Stars: 31
Forks: 36
Open beginner issues: 1
Indexed issues: 62
Avg merge: 1d 9h
Merged PRs (30d): 4

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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61 open issues indexed

Backwards compatibility of `is_disjoint_cover` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

dwavesystems/dwave-optimization#638 · Opened Sep 15, 2026
Cannot remove `DisjointListsNode` from a model Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

dwavesystems/dwave-optimization#631 · Opened Aug 31, 2026
``BinaryOp`` sometimes returns ``nan``, ``-inf``, and ``inf`` for ``min()`` and ``max()`` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dwavesystems/dwave-optimization#630 · Opened Aug 31, 2026
Consider adding a default state implementation for `ArrayOutputMixin` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#629 · Opened Aug 27, 2026
Harden checks in `IsDisjointCoverNode` constructor Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

dwavesystems/dwave-optimization#628 · Opened Aug 27, 2026
Consider dropping `DynamicArrayTestingNode` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#593 · Opened Jul 27, 2026
Use anonymous namespaces for private functions in C++ files Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

dwavesystems/dwave-optimization#591 · 2 comments · Opened Jul 23, 2026
Consider adding more detailed state size and symbol break down Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dwavesystems/dwave-optimization#583 · 1 comment · Opened Jul 15, 2026
Use predecessor `min()` and `max()` data in `IsInNode` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#581 · Opened Jul 9, 2026
Make `MeanNode` a variety of `ReduceNode` Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#579 · 2 comments · Opened Jul 6, 2026
Drop direct build dependency on `meson` and `ninja` Open

bug enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#578 · 2 comments · Opened Jul 3, 2026
Consider replacing/supplementing `common.hpp` with a meson configuration file Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

dwavesystems/dwave-optimization#576 · Opened Jul 3, 2026
LP symbol returns incorrect value Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dwavesystems/dwave-optimization#575 · 1 reaction · Opened Jun 26, 2026
Style: Use qualified auto in C++ code Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#565 · Opened Jun 18, 2026
`SoftMax` produces `nan` when any input element exceeds ~710 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 66/100

dwavesystems/dwave-optimization#555 · 1 comment · Opened May 28, 2026
`Square(x)` with a zero straddling range bypasses the `divide` zero denominator guard Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dwavesystems/dwave-optimization#554 · 2 comments · Opened May 28, 2026
Consider requiring two mutation method for all `DecisionNode`s Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#547 · Opened May 19, 2026
Disjoint decision variables not counted in ``decision_state_size()`` method Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

dwavesystems/dwave-optimization#539 · 1 comment · Opened May 1, 2026
Consider adding semi-integer constrained decision variable Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#538 · 1 comment · Opened Apr 30, 2026
State method ``.into_file`` has difficulty if current instantiated states is smaller that in the existing file Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dwavesystems/dwave-optimization#532 · Opened Apr 29, 2026
Support scalar indices and values in `put()` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dwavesystems/dwave-optimization#513 · 1 comment · Opened Apr 17, 2026
Bad input to the ``broadcast_to`` function triggers an internal-check error Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

dwavesystems/dwave-optimization#505 · 1 comment · Opened Apr 9, 2026
Missing functionality for adding new axes Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

dwavesystems/dwave-optimization#503 · Opened Apr 9, 2026
Document version/release note policy for C++ level Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 48/100

dwavesystems/dwave-optimization#499 · Opened Apr 8, 2026
``set_state()`` method quietly accepts transposed array Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dwavesystems/dwave-optimization#490 · 1 comment · Opened Mar 30, 2026
Consider returning a TypeError for ``.has_state()`` for state size 0 Open

bug enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

dwavesystems/dwave-optimization#484 · 2 comments · Opened Mar 16, 2026
Intermediate Nodes with custom state data do not overwrite `copy()` method Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#478 · 2 comments · Opened Feb 12, 2026
Reported state size of `Constant` symbol is the size of its data, but it should be zero Open

question

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dwavesystems/dwave-optimization#473 · 1 comment · Opened Feb 2, 2026
Split between basic and advanced indexing cannot handle all cases Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#465 · 3 comments · Opened Jan 20, 2026
Consider using flags to customize `ArrayOutputMixin` Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#455 · Opened Jan 6, 2026
Consider adding `ArgMax` symbol Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#452 · 2 comments · Opened Jan 5, 2026
Consider changing `BroadcastTo` to allow its shape to be derived from another symbol Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#442 · 1 comment · Opened Dec 4, 2025
Consider adding categorical variables Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-optimization#436 · Opened Nov 27, 2025
Consider adding a debug mode Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#415 · 3 reactions · Opened Nov 4, 2025
Style: Consider allowing `and`, `or`, and `not` keywords in C++ code Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#399 · Opened Sep 25, 2025
Style: Consider using trailing underscores for protected/private attributes and methods in C++ Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#398 · 7 comments · Opened Sep 25, 2025
Feature request: add a take(array, indices) primitive analogous to numpy.take Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-optimization#391 · 4 comments · Opened Sep 17, 2025
Consider switching to LLVM-style RTTI for `Node`s and `NodeStateData` Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#372 · 1 comment · Opened Aug 26, 2025
`AdvancedIndexing` error messages show wrong axis when doing combined indexing Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#343 · Opened Jul 22, 2025
Consider supporting slicing with symbols Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 32/100

dwavesystems/dwave-optimization#328 · 2 comments · Opened Jul 4, 2025
Slicing with 0d ArraySymbol raises TypeError Open

bug enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dwavesystems/dwave-optimization#327 · 1 comment · Opened Jul 4, 2025
`Where` (and maybe other symbols) use a default initialization for their `SizeInfo` when dynamic, preventing their state from being serialized Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#316 · Opened Jun 13, 2025
Make dwave-optimization a native namespace package Open

bug enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dwavesystems/dwave-optimization#304 · 1 reaction · Opened Jun 3, 2025
Make array returned by `ArraySymbol.state()` copy-on-write Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#297 · Opened May 23, 2025
Consider more compressable serialization formats Open

enhancement question

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-optimization#223 · 3 comments · Opened Feb 5, 2025
Consider adding a testing module Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dwavesystems/dwave-optimization#213 · 1 comment · 1 reaction · Opened Jan 22, 2025
Potentially unexpected behavior from C++ `ArrayValidationNode` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#211 · Opened Jan 21, 2025
Consider dropping ``Node::update()`` method Open

bug enhancement question

Difficulty 5/5 Over a week Newbie friendliness 25/100

dwavesystems/dwave-optimization#188 · 1 comment · Opened Dec 19, 2024
Consider allowing state appending with `States.from_file()` and `States.from_future()` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dwavesystems/dwave-optimization#185 · 1 reaction · Opened Dec 12, 2024
Consider adding warning for advanced indexing with logical indexer Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dwavesystems/dwave-optimization#178 · Opened Dec 3, 2024

dwavesystems/dwave-optimization

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