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Home Page: http://github.com/dankogai/js-math-bigint
BigInt in JavaScript
Home Page: http://github.com/dankogai/js-math-bigint
ある程度大きな値の乗算を行うと、低確率で間違った値になることがあります。
var x = bigint(1e+300), xy1, xy2, loop = 0;
do {
xx1 = x.mul(x);
xx2 = x.mul(x);
} while (xx1.cmp(xx2) == 0 && ++loop < 100000)
上記の例より発生確率は落ちますが、x = bigint(1e+8)
程度でも発生を確認しています。
WIndows7 x86 環境にてIE11、Firefox、Safariで発生を確認しました。この中ではSafariが起こりにくいです。
一方、Chrome、Opera(ともにChromiumベース)ではloop回数を10倍に増やしても起きませんでした。
GC関連のバグのような気がしますが、私には回避方法があるのかわかりませんでした。
Hello,
Can you change the license to MIT or BSD for this?
I want to add you lib to the benchmark, but I cannot do this, see
indutny/bn.js#5
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