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authorYann Herklotz <git@yannherklotz.com>2019-09-18 19:06:32 +0200
committerYann Herklotz <git@yannherklotz.com>2019-09-18 19:06:32 +0200
commit8d96fd2a541a2602544ced741552ebd17714c67d (patch)
tree2f53addec05793cf5b3e0274a3e8e9e5f76a7abe /src/VeriSmith/Circuit/Internal.hs
parentd14196cce14d1b4a4a9fba768b9f5238c8626624 (diff)
downloadverismith-8d96fd2a541a2602544ced741552ebd17714c67d.tar.gz
verismith-8d96fd2a541a2602544ced741552ebd17714c67d.zip
Rename main modules
Diffstat (limited to 'src/VeriSmith/Circuit/Internal.hs')
-rw-r--r--src/VeriSmith/Circuit/Internal.hs55
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diff --git a/src/VeriSmith/Circuit/Internal.hs b/src/VeriSmith/Circuit/Internal.hs
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--- a/src/VeriSmith/Circuit/Internal.hs
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-{-|
-Module : VeriSmith.Circuit.Internal
-Description : Internal helpers for generation.
-Copyright : (c) 2018-2019, Yann Herklotz
-License : BSD-3
-Maintainer : yann [at] yannherklotz [dot] com
-Stability : experimental
-Portability : POSIX
-
-Internal helpers for generation.
--}
-
-module VeriSmith.Circuit.Internal
- ( fromNode
- , filterGr
- , only
- , inputs
- , outputs
- )
-where
-
-import Data.Graph.Inductive (Graph, Node)
-import qualified Data.Graph.Inductive as G
-import qualified Data.Text as T
-
--- | Convert an integer into a label.
---
--- >>> fromNode 5
--- "w5"
-fromNode :: Int -> T.Text
-fromNode node = T.pack $ "w" <> show node
-
--- | General function which runs 'filter' over a graph.
-filterGr :: (Graph gr) => gr n e -> (Node -> Bool) -> [Node]
-filterGr graph f = filter f $ G.nodes graph
-
--- | Takes two functions that return an 'Int', and compares there results to 0
--- and not 0 respectively. This result is returned.
-only
- :: (Graph gr)
- => gr n e
- -> (gr n e -> Node -> Int)
- -> (gr n e -> Node -> Int)
- -> Node
- -> Bool
-only graph fun1 fun2 n = fun1 graph n == 0 && fun2 graph n /= 0
-
--- | Returns all the input nodes to a graph, which means nodes that do not have
--- an input themselves.
-inputs :: (Graph gr) => gr n e -> [Node]
-inputs graph = filterGr graph $ only graph G.indeg G.outdeg
-
--- | Returns all the output nodes to a graph, similar to the 'inputs' function.
-outputs :: (Graph gr) => gr n e -> [Node]
-outputs graph = filterGr graph $ only graph G.outdeg G.indeg