From 499b0253c224e68ceed6e5b6b1ee9cd7d65aad0f Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 30 Jan 2023 19:24:09 -0800
Subject: Make ArrayExpressionType a DeclRefType and define its autodiff
 extension in stdlib. (#2615)

* Allow array parameters in forward diff.

* Use type canonicalization instead of coersion.

* Reimplement array type.

* Fix.

* Update test case.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-syntax.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'source/slang/slang-syntax.h')

diff --git a/source/slang/slang-syntax.h b/source/slang/slang-syntax.h
index e36ee944c..dd119cf3a 100644
--- a/source/slang/slang-syntax.h
+++ b/source/slang/slang-syntax.h
@@ -326,6 +326,8 @@ namespace Slang
         All = 7
     };
 
+    const int kUnsizedArrayMagicLength = 0x7FFFFFFF;
+
         /// Get the module dclaration that a declaration is associated with, if any.
     ModuleDecl* getModuleDecl(Decl* decl);
 
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