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3 Commits

Author SHA1 Message Date
Arnold Schwaighofer
27a4e824c2 The runtime function swift_autoDiffCreateLinearMapContext was recently added 
So these tests fail with missing symbols if the test is deployed with stdlib's on older OSes

rdar://71900166
 2020-12-02 11:45:22 -08:00
Dan Zheng
e3938b5c7d [AutoDiff] Fix Array.append(_:) pullback. 
The derivative wrt `self` should drop the last element from the incoming seed.

Example:
- Incoming seed: [1, 2, 3, 4]
- Derivative wrt `self`: [1, 2, 3]
- Derivative wrt appended element: 4
 2020-05-14 09:27:50 -07:00
Dan Zheng
2e690e2d5e [AutoDiff] NFC: garden array differentiation. 
Use consistent variable naming. Reorganize code.
 2020-05-14 09:27:50 -07:00