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added exprProbability

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krangelov
2021-09-14 17:33:22 +02:00
parent 05813384e0
commit e82fb7f32f
6 changed files with 143 additions and 1 deletions
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8
src/runtime/haskell/PGF2.hsc
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@@ -213,7 +213,13 @@ functionProbability p fun =
withPgfExn (pgf_function_prob c_db c_revision c_fun)
exprProbability :: PGF -> Expr -> Float
exprProbability = error "TODO: exprProbability"
exprProbability p e =
unsafePerformIO $
withForeignPtr (a_db p) $ \c_db ->
withForeignPtr (revision p) $ \c_revision ->
bracket (newStablePtr e) freeStablePtr $ \c_e ->
withForeignPtr marshaller $ \m ->
withPgfExn (pgf_expr_prob c_db c_revision c_e m)
checkExpr :: PGF -> Expr -> Type -> Either String Expr
checkExpr = error "TODO: checkExpr"