Lines Matching defs:ctanh
30 #pragma weak __ctanh = ctanh
34 * dcomplex ctanh(dcomplex z);
37 * ctanh z = --------------------- = --------------------
44 * cosh 2x = sinh 2x = --- e and hence ctanh z = 1 + i -----------;
76 * ctanh z = --------------------------- + i --------------------------
80 * ctanh(0,0)=(0,0)
81 * ctanh(x,inf) = (NaN,NaN) for finite x
82 * ctanh(x,NaN) = (NaN,NaN) for finite x
83 * ctanh(inf,y) = 1+ i*0*sin(2y) for positive-signed finite y
84 * ctanh(inf,inf) = (1, +-0)
85 * ctanh(inf,NaN) = (1, +-0)
86 * ctanh(NaN,0) = (NaN,0)
87 * ctanh(NaN,y) = (NaN,NaN) for non-zero y
88 * ctanh(NaN,NaN) = (NaN,NaN)
98 ctanh(dcomplex z) {
114 if ((iy | ly) == 0) { /* ctanh(x,0) = (x,0) for x = 0 or NaN */
130 * ctanh z ~ 1 + i (sin2y)/(exp(2x))
155 * ctanh z = --------------------------- +