diff options
Diffstat (limited to 'src/CHAD/Accum.hs')
-rw-r--r-- | src/CHAD/Accum.hs | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/CHAD/Accum.hs b/src/CHAD/Accum.hs deleted file mode 100644 index d8a71b5..0000000 --- a/src/CHAD/Accum.hs +++ /dev/null @@ -1,27 +0,0 @@ -{-# LANGUAGE DataKinds #-} -{-# LANGUAGE GADTs #-} -module CHAD.Accum where - -import AST -import CHAD.Types -import Data - - - -makeAccumulators :: SList STy envPro -> Ex (Append (D2AcE envPro) env) t -> Ex env (InvTup t (D2E envPro)) -makeAccumulators SNil e = e -makeAccumulators (t `SCons` envpro) e | Refl <- lemZeroInfoD2 t = - makeAccumulators envpro $ - EWith ext (d2M t) (EZero ext (d2M t) (ENil ext)) e - -uninvertTup :: SList STy list -> STy core -> Ex env (InvTup core list) -> Ex env (TPair core (Tup list)) -uninvertTup SNil _ e = EPair ext e (ENil ext) -uninvertTup (t `SCons` list) tcore e = - ELet ext (uninvertTup list (STPair tcore t) e) $ - let recT = STPair (STPair tcore t) (tTup list) -- type of the RHS of that let binding - in EPair ext - (EFst ext (EFst ext (EVar ext recT IZ))) - (EPair ext - (ESnd ext (EVar ext recT IZ)) - (ESnd ext (EFst ext (EVar ext recT IZ)))) - |