Copyright	(C) 2014-15 Edward Kmett
License	BSD-style (see the file LICENSE)
Maintainer	Edward Kmett <ekmett@gmail.com>
Stability	experimental
Portability	non-portable
Safe Haskell	None
Language	Haskell98

Numeric.Fixed

Description

Fixed precision arithmetic. This format is the same format used by OpenGL ES 1's GLfixed data type:

One sign bit, 15 bits to the left of the decimal place and 16 bits to the right packed into a 32-bit integer.

Synopsis

newtype Fixed = Fixed {
- getFixed :: CInt
}
fromFixed :: Fixed -> Double
toFixed :: Double -> Fixed

Documentation

newtype Fixed Source #

A signed 2s complement 15.16 scale fixed precision number

Constructors

Fixed
Fields getFixed :: CInt

Instances

Bounded Fixed Source #
Instance details Defined in Numeric.Fixed Methods minBound :: Fixed Source # maxBound :: Fixed Source #
Enum Fixed Source #
Instance details Defined in Numeric.Fixed Methods succ :: Fixed -> Fixed Source # pred :: Fixed -> Fixed Source # toEnum :: Int -> Fixed Source # fromEnum :: Fixed -> Int Source # enumFrom :: Fixed -> [Fixed] Source # enumFromThen :: Fixed -> Fixed -> [Fixed] Source # enumFromTo :: Fixed -> Fixed -> [Fixed] Source # enumFromThenTo :: Fixed -> Fixed -> Fixed -> [Fixed] Source #
Eq Fixed Source #
Instance details Defined in Numeric.Fixed Methods (==) :: Fixed -> Fixed -> Bool Source # (/=) :: Fixed -> Fixed -> Bool Source #
Floating Fixed Source #
Instance details Defined in Numeric.Fixed Methods pi :: Fixed Source # exp :: Fixed -> Fixed Source # log :: Fixed -> Fixed Source # sqrt :: Fixed -> Fixed Source # (**) :: Fixed -> Fixed -> Fixed Source # logBase :: Fixed -> Fixed -> Fixed Source # sin :: Fixed -> Fixed Source # cos :: Fixed -> Fixed Source # tan :: Fixed -> Fixed Source # asin :: Fixed -> Fixed Source # acos :: Fixed -> Fixed Source # atan :: Fixed -> Fixed Source # sinh :: Fixed -> Fixed Source # cosh :: Fixed -> Fixed Source # tanh :: Fixed -> Fixed Source # asinh :: Fixed -> Fixed Source # acosh :: Fixed -> Fixed Source # atanh :: Fixed -> Fixed Source # log1p :: Fixed -> Fixed Source # expm1 :: Fixed -> Fixed Source # log1pexp :: Fixed -> Fixed Source # log1mexp :: Fixed -> Fixed Source #
Fractional Fixed Source #
Instance details Defined in Numeric.Fixed Methods (/) :: Fixed -> Fixed -> Fixed Source # recip :: Fixed -> Fixed Source # fromRational :: Rational -> Fixed Source #
Num Fixed Source #
Instance details Defined in Numeric.Fixed Methods (+) :: Fixed -> Fixed -> Fixed Source # (-) :: Fixed -> Fixed -> Fixed Source # (*) :: Fixed -> Fixed -> Fixed Source # negate :: Fixed -> Fixed Source # abs :: Fixed -> Fixed Source # signum :: Fixed -> Fixed Source # fromInteger :: Integer -> Fixed Source #
Ord Fixed Source #
Instance details Defined in Numeric.Fixed Methods compare :: Fixed -> Fixed -> Ordering Source # (<) :: Fixed -> Fixed -> Bool Source # (<=) :: Fixed -> Fixed -> Bool Source # (>) :: Fixed -> Fixed -> Bool Source # (>=) :: Fixed -> Fixed -> Bool Source # max :: Fixed -> Fixed -> Fixed Source # min :: Fixed -> Fixed -> Fixed Source #
Real Fixed Source #
Instance details Defined in Numeric.Fixed Methods toRational :: Fixed -> Rational Source #
RealFloat Fixed Source #
Instance details Defined in Numeric.Fixed Methods floatRadix :: Fixed -> Integer Source # floatDigits :: Fixed -> Int Source # floatRange :: Fixed -> (Int, Int) Source # decodeFloat :: Fixed -> (Integer, Int) Source # encodeFloat :: Integer -> Int -> Fixed Source # exponent :: Fixed -> Int Source # significand :: Fixed -> Fixed Source # scaleFloat :: Int -> Fixed -> Fixed Source # isNaN :: Fixed -> Bool Source # isInfinite :: Fixed -> Bool Source # isDenormalized :: Fixed -> Bool Source # isNegativeZero :: Fixed -> Bool Source # isIEEE :: Fixed -> Bool Source # atan2 :: Fixed -> Fixed -> Fixed Source #
RealFrac Fixed Source #
Instance details Defined in Numeric.Fixed Methods properFraction :: Integral b => Fixed -> (b, Fixed) Source # truncate :: Integral b => Fixed -> b Source # round :: Integral b => Fixed -> b Source # ceiling :: Integral b => Fixed -> b Source # floor :: Integral b => Fixed -> b Source #
Show Fixed Source #
Instance details Defined in Numeric.Fixed Methods showsPrec :: Int -> Fixed -> ShowS Source # show :: Fixed -> String Source # showList :: [Fixed] -> ShowS Source #
Storable Fixed Source #
Instance details Defined in Numeric.Fixed Methods sizeOf :: Fixed -> Int Source # alignment :: Fixed -> Int Source # peekElemOff :: Ptr Fixed -> Int -> IO Fixed Source # pokeElemOff :: Ptr Fixed -> Int -> Fixed -> IO () Source # peekByteOff :: Ptr b -> Int -> IO Fixed Source # pokeByteOff :: Ptr b -> Int -> Fixed -> IO () Source # peek :: Ptr Fixed -> IO Fixed Source # poke :: Ptr Fixed -> Fixed -> IO () Source #

fromFixed :: Fixed -> Double Source #

Convert from a Fixed precision value to a Double

toFixed :: Double -> Fixed Source #

Convert from a Double to a Fixed precision value