mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-04-20 22:35:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix #18718 (#18731)

Browse Source 
Update tests
This commit is contained in:
konsumlamm
2021-08-23 00:13:39 +02:00
committed by GitHub
parent e65dc36ddd
commit 2d84f6e7c8
2 changed files with 59 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lib/pure/stats.nim
View File

@@ -42,7 +42,7 @@ runnableExamples:
template `~=`(a, b: float): bool = almostEqual(a, b)
var statistics: RunningStat ## Must be var
var statistics: RunningStat # must be var
statistics.push(@[1.0, 2.0, 1.0, 4.0, 1.0, 4.0, 1.0, 2.0])
doAssert statistics.n == 8
doAssert statistics.mean() ~= 2.0
@@ -76,7 +76,7 @@ type
proc clear*(s: var RunningStat) =
## Resets `s`.
s.n = 0
s.min = toBiggestFloat(int.high)
s.min = 0.0
s.max = 0.0
s.sum = 0.0
s.mom1 = 0.0
@@ -86,11 +86,14 @@ proc clear*(s: var RunningStat) =
proc push*(s: var RunningStat, x: float) =
## Pushes a value `x` for processing.
if s.n == 0: s.min = x
if s.n == 0:
s.min = x
s.max = x
else:
if s.min > x: s.min = x
if s.max < x: s.max = x
inc(s.n)
# See Knuth TAOCP vol 2, 3rd edition, page 232
if s.min > x: s.min = x
if s.max < x: s.max = x
s.sum += x
let n = toFloat(s.n)
let delta = x - s.mom1