diff options
Diffstat (limited to 'libraries/base/GHC/Float.hs')
| -rw-r--r-- | libraries/base/GHC/Float.hs | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libraries/base/GHC/Float.hs b/libraries/base/GHC/Float.hs index 18dd288dd6..64467b338e 100644 --- a/libraries/base/GHC/Float.hs +++ b/libraries/base/GHC/Float.hs @@ -245,9 +245,7 @@ instance Num Float where (-) x y = minusFloat x y negate x = negateFloat x (*) x y = timesFloat x y - abs x | x == 0 = 0 -- handles (-0.0) - | x > 0 = x - | otherwise = negateFloat x + abs x = fabsFloat x signum x | x > 0 = 1 | x < 0 = negateFloat 1 | otherwise = x -- handles 0.0, (-0.0), and NaN @@ -427,9 +425,7 @@ instance Num Double where (-) x y = minusDouble x y negate x = negateDouble x (*) x y = timesDouble x y - abs x | x == 0 = 0 -- handles (-0.0) - | x > 0 = x - | otherwise = negateDouble x + abs x = fabsDouble x signum x | x > 0 = 1 | x < 0 = negateDouble 1 | otherwise = x -- handles 0.0, (-0.0), and NaN @@ -1087,13 +1083,14 @@ geFloat (F# x) (F# y) = isTrue# (geFloat# x y) ltFloat (F# x) (F# y) = isTrue# (ltFloat# x y) leFloat (F# x) (F# y) = isTrue# (leFloat# x y) -expFloat, logFloat, sqrtFloat :: Float -> Float +expFloat, logFloat, sqrtFloat, fabsFloat :: Float -> Float sinFloat, cosFloat, tanFloat :: Float -> Float asinFloat, acosFloat, atanFloat :: Float -> Float sinhFloat, coshFloat, tanhFloat :: Float -> Float expFloat (F# x) = F# (expFloat# x) logFloat (F# x) = F# (logFloat# x) sqrtFloat (F# x) = F# (sqrtFloat# x) +fabsFloat (F# x) = F# (fabsFloat# x) sinFloat (F# x) = F# (sinFloat# x) cosFloat (F# x) = F# (cosFloat# x) tanFloat (F# x) = F# (tanFloat# x) @@ -1131,13 +1128,14 @@ double2Float (D# x) = F# (double2Float# x) float2Double :: Float -> Double float2Double (F# x) = D# (float2Double# x) -expDouble, logDouble, sqrtDouble :: Double -> Double +expDouble, logDouble, sqrtDouble, fabsDouble :: Double -> Double sinDouble, cosDouble, tanDouble :: Double -> Double asinDouble, acosDouble, atanDouble :: Double -> Double sinhDouble, coshDouble, tanhDouble :: Double -> Double expDouble (D# x) = D# (expDouble# x) logDouble (D# x) = D# (logDouble# x) sqrtDouble (D# x) = D# (sqrtDouble# x) +fabsDouble (D# x) = D# (fabsDouble# x) sinDouble (D# x) = D# (sinDouble# x) cosDouble (D# x) = D# (cosDouble# x) tanDouble (D# x) = D# (tanDouble# x) |