Math.clz32 = count leading zeros/first set bit. Most hardware has direct implementations of this Math.sign = C isfinite function -0 => -0, 0=>0 etc Math.log10 Math.log2 Math.log1p Math.expm1 Math.cosh Math.sinh Math.tanh Math.asinh Math.acosh Math.atanh Math.trunc
<rdar://problem/16626276>
*** This bug has been marked as a duplicate of bug 123536 ***