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#
#
# Nim's Runtime Library
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# set handling
proc cardSetImpl(s: ptr UncheckedArray[uint8], len: int): int {.inline.} =
var i = 0
result = 0
var num = 0'u64
when defined(x86) or defined(amd64):
while i < len - 8:
copyMem(addr num, addr s[i], 8)
inc(result, countBits64(num))
inc(i, 8)
while i < len:
inc(result, countBits32(uint32(s[i])))
inc(i, 1)
proc cardSet(s: ptr UncheckedArray[uint8], len: int): int {.compilerproc, inline.} =
result = cardSetImpl(s, len)
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