Copyright | (c) Galois Inc 2015-2016 |
---|---|
License | BSD3 |
Maintainer | Rob Dockins <rdockins@galois.com> |
Stability | provisional |
Safe Haskell | Safe-Inferred |
Language | Haskell2010 |
Lang.Crucible.Backend.Simple
Contents
Description
An "offline" backend for communicating with solvers. This backend does not maintain a persistent connection to a solver, and does not perform satisfiability checks at symbolic branch points.
Synopsis
- data SimpleBackend t st fs
- newSimpleBackend :: ExprBuilder t st fs -> IO (SimpleBackend t st fs)
- data FloatMode
- data FloatModeRepr (a :: FloatMode) where
- FloatIEEERepr :: FloatModeRepr 'FloatIEEE
- FloatUninterpretedRepr :: FloatModeRepr 'FloatUninterpreted
- FloatRealRepr :: FloatModeRepr 'FloatReal
- type FloatIEEE = 'FloatIEEE
- type FloatUninterpreted = 'FloatUninterpreted
- type FloatReal = 'FloatReal
- data Flags (fi :: FloatMode)
SimpleBackend
data SimpleBackend t st fs Source #
Instances
newSimpleBackend :: ExprBuilder t st fs -> IO (SimpleBackend t st fs) Source #
Re-exports
Mode flag for how floating-point values should be interpreted.
Instances
TestEquality FloatModeRepr | |
Defined in What4.FloatMode Methods testEquality :: forall (a :: k) (b :: k). FloatModeRepr a -> FloatModeRepr b -> Maybe (a :~: b) # | |
ShowF FloatModeRepr | |
Defined in What4.FloatMode Methods withShow :: forall p q (tp :: k) a. p FloatModeRepr -> q tp -> (Show (FloatModeRepr tp) => a) -> a # showF :: forall (tp :: k). FloatModeRepr tp -> String # showsPrecF :: forall (tp :: k). Int -> FloatModeRepr tp -> String -> String # | |
KnownRepr FloatModeRepr FloatIEEE | |
Defined in What4.FloatMode Methods | |
KnownRepr FloatModeRepr FloatReal | |
Defined in What4.FloatMode Methods | |
KnownRepr FloatModeRepr FloatUninterpreted | |
Defined in What4.FloatMode Methods |
data FloatModeRepr (a :: FloatMode) where #
Constructors
FloatIEEERepr :: FloatModeRepr 'FloatIEEE | |
FloatUninterpretedRepr :: FloatModeRepr 'FloatUninterpreted | |
FloatRealRepr :: FloatModeRepr 'FloatReal |
Instances
TestEquality FloatModeRepr | |
Defined in What4.FloatMode Methods testEquality :: forall (a :: k) (b :: k). FloatModeRepr a -> FloatModeRepr b -> Maybe (a :~: b) # | |
ShowF FloatModeRepr | |
Defined in What4.FloatMode Methods withShow :: forall p q (tp :: k) a. p FloatModeRepr -> q tp -> (Show (FloatModeRepr tp) => a) -> a # showF :: forall (tp :: k). FloatModeRepr tp -> String # showsPrecF :: forall (tp :: k). Int -> FloatModeRepr tp -> String -> String # | |
KnownRepr FloatModeRepr FloatIEEE | |
Defined in What4.FloatMode Methods | |
KnownRepr FloatModeRepr FloatReal | |
Defined in What4.FloatMode Methods | |
KnownRepr FloatModeRepr FloatUninterpreted | |
Defined in What4.FloatMode Methods | |
Show (FloatModeRepr fm) | |
Defined in What4.FloatMode Methods showsPrec :: Int -> FloatModeRepr fm -> ShowS # show :: FloatModeRepr fm -> String # showList :: [FloatModeRepr fm] -> ShowS # |
In this mode "interpreted" floating-point values are treated as bit-precise IEEE-754 floats.
type FloatUninterpreted = 'FloatUninterpreted #
In this mode "interpreted" floating-point values are treated as bitvectors of the appropriate width, and all operations on them are translated as uninterpreted functions.
In this mode "interpreted" floating-point values are treated as real-number values, to the extent possible. Expressions that would result in infinities or NaN will yield unspecified values in this mode, or directly produce runtime errors.
data Flags (fi :: FloatMode) #