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3 Commits

Author SHA1 Message Date
Dan Zheng
cef43e8e31 [AutoDiff] Minor parser fix for @derivative and @transpose. 
Diagnose `@derivative` and `@transpose` attributes that are missing the
required comma before the `wrt:` clause:

```
@derivative(of: foo wrt: x)
@transpose(of: bar wrt: (x, y))
```

Previously, this was undiagnosed.

Resolves TF-1168.
 2020-02-20 21:06:58 -08:00
Dan Zheng
c736938911 Address parsing/syntax review feedback. 2019-12-17 16:21:28 -08:00
Dan Zheng
c842fee0a4 [AutoDiff upstream] Add @transpose(of:) attribute. 
The `@transpose(of:)` attribute registers a function as a transpose of another
function. This patch adds the `@transpose(of:)` attribute definition, syntax,
parsing, and printing.

Resolves TF-827.

Todos:
- Type-checking (TF-830, TF-1060).
- Enable serialization (TF-838).
- Use module-qualified names instead of custom qualified name syntax/parsing
  (TF-1066).
 2019-12-16 12:23:08 -08:00