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Discarded randomize for windows

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It actually doesn't use it because `rand_s` doesn't.
This commit is contained in:
apense 2015-06-11 18:56:59 -04:00
commit 7fba7d934b
1 changed files with 9 additions and 6 deletions
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13
lib/pure/math.nim
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@ -217,6 +217,12 @@ when not defined(JS):
proc drand48(): float {.importc: "drand48", header: "<stdlib.h>".} proc drand48(): float {.importc: "drand48", header: "<stdlib.h>".}
proc random(max: float): float = proc random(max: float): float =
result = drand48() * max result = drand48() * max
proc randomize() =
randomize(cast[int](epochTime()))
proc randomize(seed: int) =
srand(cint(seed)) # rand_s doesn't use srand
srand48(seed)
when defined(windows): when defined(windows):
proc random(max: float): float = proc random(max: float): float =
# we are hardcodeing this because # we are hardcodeing this because
@ -226,12 +232,9 @@ when not defined(JS):
# See https://msdn.microsoft.com/en-us/library/296az74e.aspx # See https://msdn.microsoft.com/en-us/library/296az74e.aspx
const rand_max = 4294967295 const rand_max = 4294967295
result = (float(rand()) / float(rand_max)) * max result = (float(rand()) / float(rand_max)) * max
proc randomize() = proc randomize() = discard
randomize(cast[int](epochTime())) proc randomize(seed: int) = discard
proc randomize(seed: int) =
when declared(srand): srand(cint(seed)) # rand_s doesn't use srand
when declared(srand48): srand48(seed)
proc random(max: int): int = proc random(max: int): int =
result = int(rand()) mod max result = int(rand()) mod max