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changed integer promotion rules; added math.fmod

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This commit is contained in:
Araq 2012-06-28 08:33:25 +02:00
commit 2900ceae35
13 changed files with 83 additions and 71 deletions
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11
lib/pure/math.nim
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@ -188,6 +188,8 @@ when not defined(ECMAScript):
proc floor*(x: float): float {.importc: "floor", nodecl.}
proc ceil*(x: float): float {.importc: "ceil", nodecl.}
proc fmod*(x, y: float): float {.importc: "fmod", header: "<math.h>".}
else:
proc mathrandom(): float {.importc: "Math.random", nodecl.}
proc floor*(x: float): float {.importc: "Math.floor", nodecl.}
@ -230,10 +232,13 @@ else:
var y = exp(2.0*x)
return (y-1.0)/(y+1.0)
proc `mod`*(x, y: float): float =
result = if y == 0.0: x else: x - y * (x/y).floor
type
TRunningStat* = object ## an accumulator for statistical data
n*: int ## number of pushed data
sum*, min*, max*, mean*: float ## self-explaining
TRunningStat* {.pure,final.} = object ## an accumulator for statistical data
n*: int ## number of pushed data
sum*, min*, max*, mean*: float ## self-explaining
oldM, oldS, newS: float
proc push*(s: var TRunningStat, x: float) =