isMutable MutableMatrix
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Linear Algebra
- Dominant language
- Macaulay2
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Description
Surely this is a bug, right?
i1 : isMutable matrix {{1}}
o1 = false
i2 : isMutable mutableMatrix {{1}}
o2 = false
I mean, I understand this is why:
i10 : ancestors MutableMatrix
o10 = {MutableMatrix, HashTable, Thing}
But surely a mutable matrix is mutable? Can we make it inherit from MutableHashTable instead to solve this?
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the isMutable and ancestors queries shown for matrix and mutableMatrix. Read the definitions and inheritance relationships for MutableMatrix and MutableHashTable, then determine whether the hierarchy should change so mutableMatrix is recognized as mutable. Done means the reported behavior and type ancestry match the intended mutability semantics.
Written by the indexing model from the issue text.
Assessment
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100