Implement neg for all types#4075
Merged
Merged
Conversation
The C/C++ unary negation operator is well defined for unsigned types. We should use that behavior. This also implements neg for CharTensor. That behavior currently depends on whether char is signed or unsigned. Fixes pytorch#4066
Collaborator
|
@colesbury, thanks for your PR! We identified @zdevito to be a potential reviewer. |
gchanan
reviewed
Dec 7, 2017
| @staticmethod | ||
| def _test_neg(self, cast): | ||
| float_types = ['torch.DoubleTensor', 'torch.FloatTensor', 'torch.LongTensor'] | ||
| int_types = ['torch.IntTensor', 'torch.ShortTensor'] |
This comment was marked as off-topic.
This comment was marked as off-topic.
Sorry, something went wrong.
This comment was marked as off-topic.
This comment was marked as off-topic.
Sorry, something went wrong.
Contributor
|
There was some CI maintenance happening this morning -- retriggering build. @pytorchbot retest this please |
laurentdupin
pushed a commit
to laurentdupin/pytorch
that referenced
this pull request
Apr 24, 2026
The C/C++ unary negation operator is well defined for unsigned types. We should use that behavior. This also implements neg for CharTensor. That behavior currently depends on whether char is signed or unsigned. Fixes pytorch#4066, pytorch#3225
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
4 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The C/C++ unary negation operator is well defined for unsigned types. We
should use that behavior. This also implements neg for CharTensor. That
behavior currently depends on whether char is signed or unsigned.
Fixes #4066, #3225