Lines Matching defs:ATANH
35 #define ATANH atanhl
37 /* ATANH(x)
39 * ATANH(x) = --- * LOG(1 + -------) = 0.5 * LOG1P(2 * --------)
41 * Note: to guarantee ATANH(-x) = -ATANH(x), we use
43 * ATANH(x) = ------- * LOG1P(2*-------).
47 * ATANH(x) is NaN if |x| > 1 with signal;
48 * ATANH(NaN) is that NaN with no signal;
49 * ATANH(+-1) is +-INF with signal.
65 GENERIC ATANH(x)