Searched defs:tanh (Results 1 - 2 of 2) sorted by relevance

/bionic/libm/upstream-freebsd/lib/msun/src/
H A Ds_tanh.c22 * 0. tanh(x) is defined to be -----------
25 * 1. reduce x to non-negative by tanh(-x) = -tanh(x).
26 * 2. 0 <= x < 2**-28 : tanh(x) := x with inexact if x != 0
28 * 2**-28 <= x < 1 : tanh(x) := -----; t = expm1(-2x)
31 * 1 <= x < 22 : tanh(x) := 1 - -----; t = expm1(2x)
33 * 22 <= x <= INF : tanh(x) := 1.
36 * tanh(NaN) is NaN;
37 * only tanh(0)=0 is exact for finite argument.
46 tanh(doubl function
[all...]
H A Dimprecise.c68 DECLARE_IMPRECISE(tanh); variable

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