From 20f7d7be13cd7869b338f98d1ab3fd33e8bbfb3e Mon Sep 17 00:00:00 2001 From: Tom Smeding Date: Thu, 27 Nov 2025 21:30:17 +0100 Subject: WIP user-specified custom types The big roadblock encountered is that accumulation wants addition of monoids to be elementwise float addition; this fundamentally clashes with the concept of a user type with a custom zero and plus. --- src/CHAD/ForwardAD/DualNumbers/Types.hs | 1 + 1 file changed, 1 insertion(+) (limited to 'src/CHAD/ForwardAD/DualNumbers') diff --git a/src/CHAD/ForwardAD/DualNumbers/Types.hs b/src/CHAD/ForwardAD/DualNumbers/Types.hs index 5d5dd9e..6dcef1c 100644 --- a/src/CHAD/ForwardAD/DualNumbers/Types.hs +++ b/src/CHAD/ForwardAD/DualNumbers/Types.hs @@ -42,6 +42,7 @@ dn (STScal t) = case t of STI64 -> STScal STI64 STBool -> STScal STBool dn STAccum{} = error "Accum in source program" +dn STUser{} = error "User types not yet supported in forward AD" dne :: SList STy env -> SList STy (DNE env) dne SNil = SNil -- cgit v1.2.3-70-g09d2