Futhark.Util.CMath

Bindings to the C math library.

Follows the naming scheme of the C functions when feasible.

Documentation

roundFloat :: Float -> Float

Round a single-precision floating point number correctly.

ceilFloat :: Float -> Float

Round a single-precision floating point number upwards correctly.

floorFloat :: Float -> Float

Round a single-precision floating point number downwards correctly.

roundDouble :: Double -> Double

Round a double-precision floating point number correctly.

ceilDouble :: Double -> Double

Round a double-precision floating point number upwards correctly.

floorDouble :: Double -> Double

Round a double-precision floating point number downwards correctly.

nextafterf :: Float -> Float -> Float

The next representable single-precision floating-point value in the given direction.

nextafter :: Double -> Double -> Double

The next representable double-precision floating-point value in the given direction.

lgamma :: Double -> Double

The system-level lgamma() function.

lgammaf :: Float -> Float

The system-level lgammaf() function.

tgamma :: Double -> Double

The system-level tgamma() function.

tgammaf :: Float -> Float

The system-level tgammaf() function.

erf :: Double -> Double

The system-level erf() function.

erff :: Float -> Float

The system-level erff() function.

erfc :: Double -> Double

The system-level erfc() function.

erfcf :: Float -> Float

The system-level erfcf() function.

cbrt :: Double -> Double

The system-level cbrt function.

cbrtf :: Float -> Float

The system-level cbrtf function.

hypot :: Double -> Double -> Double

The system-level hypot function.

hypotf :: Float -> Float -> Float

The system-level hypotf function.

ldexp :: Double -> CInt -> Double

The system-level ldexp function.

ldexpf :: Float -> CInt -> Float

The system-level ldexpf function.

copysign :: Double -> Double -> Double

The system-level copysign function.

copysignf :: Float -> Float -> Float

The system-level copysignf function.