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| author | Edward Liu <shiqiu1105@gmail.com> | 2022-11-14 12:08:01 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-14 12:08:01 -0800 |
| commit | 368ec3116ea0f10f44acbf76b5dc9e34d6ff3d32 (patch) | |
| tree | 3d9def111db278affb8413bddb5aab9ce3cf73a6 /source/slang/slang-ast-expr.h | |
| parent | 623f5c36e0dc8190753aa5fa2e89f1010c367c67 (diff) | |
Minimum binary arithmetic reverse autodiff working. (#2514)
* Initial plumbing of backward autodiff in the frontend.
* More plumbing.
* Initial reverse autodiff working.
* Bug fixes.
* Misc.
* Remove redundant code.
* More clean up.
* Misc.
* Rebase and add backward diff test.
* Disable test.
* Clean up.
* Minor fix.
Co-authored-by: Yong He <yhe@nvidia.com>
Diffstat (limited to 'source/slang/slang-ast-expr.h')
| -rw-r--r-- | source/slang/slang-ast-expr.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/slang/slang-ast-expr.h b/source/slang/slang-ast-expr.h index ef6a05c71..86b72e05a 100644 --- a/source/slang/slang-ast-expr.h +++ b/source/slang/slang-ast-expr.h @@ -451,6 +451,14 @@ class ForwardDifferentiateExpr: public HigherOrderInvokeExpr SLANG_AST_CLASS(ForwardDifferentiateExpr) }; + /// An expression of the form `__bwd_diff(fn)` to access the + /// forward-mode derivative version of the function `fn` + /// +class BackwardDifferentiateExpr: public HigherOrderInvokeExpr +{ + SLANG_AST_CLASS(BackwardDifferentiateExpr) +}; + /// A type expression of the form `__TaggedUnion(A, ...)`. /// /// An expression of this form will resolve to a `TaggedUnionType` |