dwavesystems/dwave-optimization

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Enables the formulation of nonlinear models for industrial optimization problems.

Stars: 31
Forks: 36
Open beginner issues: 0
Indexed issues: 61
Avg merge: 16h 55m
Merged PRs (30d): 8

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 11, 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

`Model.from_file()`'s `check_header` keyword argument is overzealous Open

bug

dwavesystems/dwave-optimization#22 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Silent casting of int symbol's state in some cases Open

bug

dwavesystems/dwave-optimization#25 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider testing `.pyi` files with `mypy.stubtest()` in CI Open

enhancement

dwavesystems/dwave-optimization#33 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `Intersection` and `Union` nodes/symbols Open

enhancement

dwavesystems/dwave-optimization#45 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Consider allowing reordering of states Open

enhancement

dwavesystems/dwave-optimization#60 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `Symbol.num_successors()` and `Symbol.num_predecessors()` Open

enhancement

dwavesystems/dwave-optimization#65 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `Accumulate` symbol or similar Open

enhancement

dwavesystems/dwave-optimization#67 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider allowing the user to specify the list size for disjoint lists node Open

enhancement

dwavesystems/dwave-optimization#117 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `Symbol.__str__()` overload Open

enhancement question

dwavesystems/dwave-optimization#133 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `Find` symbol or similar Open

enhancement

dwavesystems/dwave-optimization#139 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding state printing Open

enhancement

dwavesystems/dwave-optimization#157 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Consider adding warning for advanced indexing with logical indexer Open

enhancement

dwavesystems/dwave-optimization#178 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider allowing state appending with `States.from_file()` and `States.from_future()` Open

enhancement

dwavesystems/dwave-optimization#185 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Consider dropping ``Node::update()`` method Open

bug enhancement question

dwavesystems/dwave-optimization#188 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Potentially unexpected behavior from C++ `ArrayValidationNode` Open

bug

dwavesystems/dwave-optimization#211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding a testing module Open

enhancement

dwavesystems/dwave-optimization#213 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Consider more compressable serialization formats Open

enhancement question

dwavesystems/dwave-optimization#223 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Make array returned by `ArraySymbol.state()` copy-on-write Open

enhancement

dwavesystems/dwave-optimization#297 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Make dwave-optimization a native namespace package Open

bug enhancement

dwavesystems/dwave-optimization#304 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`Where` (and maybe other symbols) use a default initialization for their `SizeInfo` when dynamic, preventing their state from being serialized Open

dwavesystems/dwave-optimization#316 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Slicing with 0d ArraySymbol raises TypeError Open

bug enhancement

dwavesystems/dwave-optimization#327 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider supporting slicing with symbols Open

enhancement

dwavesystems/dwave-optimization#328 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`AdvancedIndexing` error messages show wrong axis when doing combined indexing Open

bug

dwavesystems/dwave-optimization#343 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider switching to LLVM-style RTTI for `Node`s and `NodeStateData` Open

enhancement

dwavesystems/dwave-optimization#372 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature request: add a take(array, indices) primitive analogous to numpy.take Open

enhancement

dwavesystems/dwave-optimization#391 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Style: Consider using trailing underscores for protected/private attributes and methods in C++ Open

question

dwavesystems/dwave-optimization#398 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Style: Consider allowing `and`, `or`, and `not` keywords in C++ code Open

question

dwavesystems/dwave-optimization#399 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding a debug mode Open

enhancement

dwavesystems/dwave-optimization#415 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding categorical variables Open

enhancement

dwavesystems/dwave-optimization#436 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider changing `BroadcastTo` to allow its shape to be derived from another symbol Open

enhancement

dwavesystems/dwave-optimization#442 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding `ArgMax` symbol Open

enhancement

dwavesystems/dwave-optimization#452 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider using flags to customize `ArrayOutputMixin` Open

enhancement

dwavesystems/dwave-optimization#455 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Split between basic and advanced indexing cannot handle all cases Open

bug

dwavesystems/dwave-optimization#465 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reported state size of `Constant` symbol is the size of its data, but it should be zero Open

question

dwavesystems/dwave-optimization#473 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Intermediate Nodes with custom state data do not overwrite `copy()` method Open

bug

dwavesystems/dwave-optimization#478 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider returning a TypeError for ``.has_state()`` for state size 0 Open

bug enhancement

dwavesystems/dwave-optimization#484 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
``set_state()`` method quietly accepts transposed array Open

bug

dwavesystems/dwave-optimization#490 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document version/release note policy for C++ level Open

documentation

dwavesystems/dwave-optimization#499 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Missing functionality for adding new axes Open

bug

dwavesystems/dwave-optimization#503 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Bad input to the ``broadcast_to`` function triggers an internal-check error Open

bug

dwavesystems/dwave-optimization#505 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support scalar indices and values in `put()` Open

enhancement

dwavesystems/dwave-optimization#513 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
State method ``.into_file`` has difficulty if current instantiated states is smaller that in the existing file Open

bug

dwavesystems/dwave-optimization#532 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding semi-integer constrained decision variable Open

enhancement

dwavesystems/dwave-optimization#538 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Disjoint decision variables not counted in ``decision_state_size()`` method Open

bug

dwavesystems/dwave-optimization#539 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider requiring two mutation method for all `DecisionNode`s Open

enhancement

dwavesystems/dwave-optimization#547 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Square(x)` with a zero straddling range bypasses the `divide` zero denominator guard Open

bug

dwavesystems/dwave-optimization#554 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`SoftMax` produces `nan` when any input element exceeds ~710 Open

bug

dwavesystems/dwave-optimization#555 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Style: Use qualified auto in C++ code Open

question

dwavesystems/dwave-optimization#565 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LP symbol returns incorrect value Open

bug

dwavesystems/dwave-optimization#575 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Consider replacing/supplementing `common.hpp` with a meson configuration file Open

enhancement

dwavesystems/dwave-optimization#576 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

dwavesystems/dwave-optimization

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