91     double absx = fabs(x);  in _Py_asinh()  local
96     if (absx < two_pow_m28) {           /* |x| < 2**-28 */  in _Py_asinh()
99     if (absx > two_pow_p28) {           /* |x| > 2**28 */  in _Py_asinh()
100         w = log(absx)+ln2;  in _Py_asinh()
102     else if (absx > 2.0) {              /* 2 < |x| < 2**28 */  in _Py_asinh()
103         w = log(2.0*absx + 1.0 / (sqrt(x*x + 1.0) + absx));  in _Py_asinh()
107         w = m_log1p(absx + t / (1.0 + sqrt(1.0 + t)));  in _Py_asinh()
133     double absx;  in _Py_atanh()  local
139     absx = fabs(x);  in _Py_atanh()
140     if (absx >= 1.) {                   /* |x| >= 1 */  in _Py_atanh()
148     if (absx < two_pow_m28) {           /* |x| < 2**-28 */  in _Py_atanh()
151     if (absx < 0.5) {                   /* |x| < 0.5 */  in _Py_atanh()
152         t = absx+absx;  in _Py_atanh()
153         t = 0.5 * m_log1p(t + t*absx / (1.0 - absx));  in _Py_atanh()
156         t = 0.5 * m_log1p((absx + absx) / (1.0 - absx));  in _Py_atanh()