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/bionic/libm/upstream-freebsd/lib/msun/src/
H A Ds_ctanh.c75 ctanh(double complex z) function
88 * ctanh(NaN +- I 0) = d(NaN) +- I 0
90 * ctanh(NaN + I y) = d(NaN,y) + I d(NaN,y) for y != 0
95 * ctanh(+-Inf +- I Inf) = +-1 +- I 0
97 * ctanh(+-Inf + I y) = +-1 + I 0 sin(2y) for y finite
112 * ctanh(x + I NaN) = d(NaN) + I d(NaN)
113 * ctanh(x +- I Inf) = dNaN + I dNaN
119 * ctanh(+-huge +- I y) ~= +-1 +- I 2sin(2y)/exp(2x), using the
142 /* ctan(z) = -I * ctanh(I * z) = I * conj(ctanh(
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