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make random.nim work for the JS target again

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This commit is contained in:
Araq 2017-01-08 14:00:52 +01:00
commit 6acfbb9e1d
1 changed files with 4 additions and 2 deletions
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6
lib/pure/random.nim
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@ -19,10 +19,12 @@ include "system/inclrtl"
# XXX Expose RandomGenState # XXX Expose RandomGenState
when defined(JS): when defined(JS):
type ui = uint32 type ui = uint32
const randMax = 4_294_967_295u32
else: else:
type ui = uint64 type ui = uint64
const randMax = 18_446_744_073_709_551_615u64 const randMax = 18_446_744_073_709_551_615u64
type type
RandomGenState = object RandomGenState = object
@ -76,7 +78,7 @@ proc random*(max: int): int {.benign.} =
## number, i.e. a tickcount. ## number, i.e. a tickcount.
while true: while true:
let x = next(state) let x = next(state)
if x < randMax - (randMax mod uint64(max)): if x < randMax - (randMax mod ui(max)):
return int(x mod uint64(max)) return int(x mod uint64(max))
proc random*(max: float): float {.benign.} = proc random*(max: float): float {.benign.} =