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set/clear: shorter & a few nanoseconds faster

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mfranz 2008-10-22 23:04:07 +00:00
parent 464d9d3f75
commit f5ab1de0b6
1 changed files with 2 additions and 2 deletions
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4
Nasal/bits.nas
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@ -24,11 +24,11 @@ var test = func(n, b) {
# returns number <n> with bit <b> set # returns number <n> with bit <b> set
var set = func(n, b) test(n, b) ? n : n + bit[b]; var set = func(n, b) n + test(n, b) * bit[b];
# returns number <n> with bit <b> cleared # returns number <n> with bit <b> cleared
var clear = func(n, b) test(n, b) ? n - bit[b] : n; var clear = func(n, b) n - test(n, b) * bit[b];
# returns number <n> with bit <b> toggled # returns number <n> with bit <b> toggled