Lines Matching defs:log2
2 * Double-precision log2(x) function.
30 log2 (double x)
101 /* log2(x) = log2(z/c) + log2(c) + k. */
118 /* hi + lo = r/ln2 + log2(c) + k. */
123 /* log2(r+1) = r/ln2 + r^2*poly(r). */
136 strong_alias (log2, __log2_finite)
137 hidden_alias (log2, __ieee754_log2)
139 long double log2l (long double x) { return log2 (x); }