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function randomFloat () {
// note that in fuzz-testing, this can used as the size of a buffer to allocate.
// so it shouldn't return astronomic values. The maximum value 10000000 is already quite big.
var fac = 1.0;
var r = Math.random();
if (r < 0.25)
fac = 10;
else if (r < 0.7)
fac = 10000000;
else if (r < 0.8)
fac = NaN;
return -0.5*fac + Math.random() * fac;
}
for (var i = 0; i < 100000; i++)
randomFloat();
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