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case consistency part 4

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Araq 2013-12-27 23:10:36 +01:00
commit 92b8fac94a
122 changed files with 3322 additions and 3322 deletions
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lib/pure/math.nim
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@ -94,7 +94,7 @@ proc nextPowerOfTwo*(x: int): int =
result = result or (result shr 4)
result = result or (result shr 2)
result = result or (result shr 1)
Inc(result)
inc(result)
proc countBits32*(n: int32): int {.noSideEffect.} =
## counts the set bits in `n`.
@ -103,17 +103,17 @@ proc countBits32*(n: int32): int {.noSideEffect.} =
v = (v and 0x33333333'i32) +% ((v shr 2'i32) and 0x33333333'i32)
result = ((v +% (v shr 4'i32) and 0xF0F0F0F'i32) *% 0x1010101'i32) shr 24'i32
proc sum*[T](x: openarray[T]): T {.noSideEffect.} =
proc sum*[T](x: openArray[T]): T {.noSideEffect.} =
## computes the sum of the elements in `x`.
## If `x` is empty, 0 is returned.
for i in items(x): result = result + i
proc mean*(x: openarray[float]): float {.noSideEffect.} =
proc mean*(x: openArray[float]): float {.noSideEffect.} =
## computes the mean of the elements in `x`.
## If `x` is empty, NaN is returned.
result = sum(x) / toFloat(len(x))
proc variance*(x: openarray[float]): float {.noSideEffect.} =
proc variance*(x: openArray[float]): float {.noSideEffect.} =
## computes the variance of the elements in `x`.
## If `x` is empty, NaN is returned.
result = 0.0