logfloat 0.13.0.1 → 0.13.1

raw patch · 3 files changed

+7/−5 lines, 3 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• VERSION +2/−0
• logfloat.cabal +2/−2
• src/Data/Number/LogFloat.hs +3/−3

@@ -1,3 +1,5 @@+0.13.1 (2015-03-10):+    - Fixed a major bug in sum 0.13 (2015-02-17):     - monomorphized logFloat, logToLogFloat, fromLogFloat, logFromLogFloat     - added sum, product, pow

@@ -1,5 +1,5 @@ ------------------------------------------------------------------- wren gayle romano <wren@community.haskell.org>   ~ 2015.02.17+-- wren gayle romano <wren@community.haskell.org>   ~ 2015.03.10 ----------------------------------------------------------------  -- By and large Cabal >=1.2 is fine; but >= 1.6 gives tested-with:@@ -8,7 +8,7 @@ Build-Type:     Simple  Name:           logfloat-Version:        0.13.0.1+Version:        0.13.1 Stability:      experimental Homepage:       http://code.haskell.org/~wren/ Author:         wren gayle romano

@@ -512,12 +512,12 @@ -- -- /Since: 0.13/ sum :: [LogFloat] -> LogFloat-sum xs = LogFloat (theMax + theSum)+sum xs = LogFloat (theMax + log theSum)     where-    theMax = logFromLogFloat (maximum xs)+    LogFloat theMax = maximum xs          -- compute @\log \sum_{x \in xs} \exp(x - theMax)@-    theSum = foldl' (\ acc x -> acc + exp (logFromLogFloat x - theMax)) 0 xs+    theSum = foldl' (\ acc (LogFloat x) -> acc + exp (x - theMax)) 0 xs  -- TODO: expose a single-pass version for the special case where -- the first element of the list is (promised to be) the maximum