Searched defs:ieee_expm1 (Results 1 - 1 of 1) sorted by relevance

/external/fdlibm/
H A Ds_expm1.c13 /* ieee_expm1(x)
25 * 2. Approximating ieee_expm1(r) by a special rational function on
55 * ieee_expm1(r) = r + --- + --- * [--------------------]
59 * expm1(r+c) = ieee_expm1(r) + c + ieee_expm1(r)*c
60 * ~ ieee_expm1(r) + c + r*c
66 * ieee_expm1(r+c)~r - ({r*(--- * [--------------------]-c)-c} - --- )
71 * 3. Scale back to obtain ieee_expm1(x):
73 * ieee_expm1(x) = either 2^k*[expm1(r)+1] - 1
78 * (B). To achieve maximum accuracy, we compute ieee_expm1(
130 double ieee_expm1(double x) function
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