Lines Matching refs:catanh
75 * The code for catanh and catan comes at the end. It is much simpler than
499 * | catanh, catan |
562 * catanh(z) = log((1+z)/(1-z)) / 2
566 * catanh(z) = z + O(z^3) as z -> 0
568 * catanh(z) = 1/z + sign(y)*I*PI/2 + O(1/z^3) as z -> infinity
570 * Re(catanh(z)) = x/|z|^2 + O(x/z^4)
574 catanh(double complex z)
592 /* catanh(+-Inf + I*NaN) = +-0 + I*NaN */
595 /* catanh(NaN + I*+-Inf) = sign(NaN)0 + I*+-PI/2 */
637 * catan(z) = reverse(catanh(reverse(z)))
643 double complex w = catanh(CMPLX(cimag(z), creal(z)));
653 __weak_reference(catanh, catanhl);