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Diffstat (limited to 'plugins/extraction/ExtrHaskellZInteger.v')
| -rw-r--r-- | plugins/extraction/ExtrHaskellZInteger.v | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/plugins/extraction/ExtrHaskellZInteger.v b/plugins/extraction/ExtrHaskellZInteger.v deleted file mode 100644 index f7f9e2f80d..0000000000 --- a/plugins/extraction/ExtrHaskellZInteger.v +++ /dev/null @@ -1,25 +0,0 @@ -(** Extraction of [Z] into Haskell's [Integer] *) - -Require Coq.extraction.Extraction. - -Require Import ZArith. -Require Import ExtrHaskellZNum. - -(** Disclaimer: trying to obtain efficient certified programs - by extracting [Z] into [Integer] isn't necessarily a good idea. - See comments in [ExtrOcamlNatInt.v]. -*) - -Extract Inductive positive => "Prelude.Integer" [ - "(\x -> 2 Prelude.* x Prelude.+ 1)" - "(\x -> 2 Prelude.* x)" - "1" ] - "(\fI fO fH n -> if n Prelude.== 1 then fH () else - if Prelude.odd n - then fI (n `Prelude.div` 2) - else fO (n `Prelude.div` 2))". - -Extract Inductive Z => "Prelude.Integer" [ "0" "(\x -> x)" "Prelude.negate" ] - "(\fO fP fN n -> if n Prelude.== 0 then fO () else - if n Prelude.> 0 then fP n else - fN (Prelude.negate n))". |