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/bionic/libm/upstream-freebsd/lib/msun/src/
H A Ds_expm1.c16 /* expm1(x)
28 * 2. Approximating expm1(r) by a special rational function on
54 * expm1(r) = exp(r)-1 is then computed by the following
58 * expm1(r) = r + --- + --- * [--------------------]
62 * expm1(r+c) = expm1(r) + c + expm1(r)*c
63 * ~ expm1(r) + c + r*c
65 * expm1(r+c). Now rearrange the term to avoid optimization
69 * expm1(
133 expm1(double x) function
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