ieee754 0.7.3 → 0.7.4

raw patch · 5 files changed

+36/−5 lines, 5 filesPVP: major bump suggested

API removals or changes: PVP suggests a major version bump

API changes (from Hackage documentation)

- Data.AEq: class Eq a => AEq a where === = (==) ~== = (==)

+ Data.AEq: class Eq a => AEq a where (===) = (==) (~==) = (==)

Files

NEWS +9/−0
Numeric/IEEE.hs +1/−1
cbits/double.c +12/−0
cbits/float.c +12/−0
ieee754.cabal +2/−4

NEWS view

@@ -1,3 +1,12 @@+Changes in 0.7.4:++* Add C implementation of copysign, copysignf++* Remove libm dependency++* Anders Kaseorg fixed documentation for epsilon.++ Changes in 0.7.3:  * Bugfix from Björn Buckwalter: any two negative values were aproxEqIEEE

Numeric/IEEE.hs view

@@ -33,7 +33,7 @@     -- | The largest representable finite value.     maxFinite :: a -    -- | The smallest representalbe positive value @x@ such that @1 + x /= 1@.+    -- | The smallest positive value @x@ such that @1 + x@ is representable.     epsilon :: a      -- | @copySign x y@ returns @x@ with its sign changed to @y@'s.

cbits/double.c view

@@ -27,6 +27,18 @@     return ux.w == uy.w; } +double+copysign (double x, double y)+{+    union double_t ux = { x };+    union double_t uy = { y };+    union double_t uz;+    uint64_t val  = ux.w & 0x7FFFFFFFFFFFFFFFULL;+    uint64_t sign = uy.w & 0x8000000000000000ULL;+    uz.w = sign | val;+    return uz.d;+}+ /* ported from tango/math/IEEE.d */ double nextup (double x)

cbits/float.c view

@@ -28,6 +28,18 @@     return ux.w == uy.w; } +float+copysignf (float x, float y)+{+    union float_t ux = { x };+    union float_t uy = { y };+    union float_t uz;+    uint32_t val  = ux.w & 0x7FFFFFFF;+    uint32_t sign = uy.w & 0x80000000;+    uz.w = sign | val;+    return uz.f;+}+ /* ported from tango/math/IEEE.d */ float nextupf (float x)

ieee754.cabal view

@@ -1,5 +1,5 @@ name:            ieee754-version:         0.7.3+version:         0.7.4 homepage:        http://github.com/patperry/hs-ieee754 synopsis:        Utilities for dealing with IEEE floating point numbers description:@@ -14,7 +14,7 @@ maintainer:      Patrick Perry <patperry@gmail.com> cabal-version: >= 1.2.0 build-type:      Simple-tested-with:     GHC ==6.12.3+tested-with:     GHC ==7.6.3  extra-source-files: LICENSE.Tango NEWS cbits/feqrel_source.c                     tests/Makefile tests/Tests.hs@@ -41,5 +41,3 @@     cc-options:      -Wall --std=c99     if flag(big_endian)         cc-options:  -DBIG_ENDIAN--    extra-libraries: m