Searched defs:expm1 (Results 1 - 3 of 3) sorted by relevance

/bionic/libm/x86/
H A Ds_expm1.S40 // expm1(x) ~ P(x)
65 // expm1(NaN) is NaN
66 // expm1(+INF) is +INF
67 // expm1(-INF) is -1
68 // expm1(x) is x for subnormals
69 // for finite argument, only expm1(0)=0 is exact.
71 // if x > 709.782712893383973096 then expm1(x) overflow
91 # -- Begin expm1
92 ENTRY(expm1) function
364 END(expm1)
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/bionic/libm/x86_64/
H A Ds_expm1.S40 // expm1(x) ~ P(x)
65 // expm1(NaN) is NaN
66 // expm1(+INF) is +INF
67 // expm1(-INF) is -1
68 // expm1(x) is x for subnormals
69 // for finite argument, only expm1(0)=0 is exact.
71 // if x > 709.782712893383973096 then expm1(x) overflow
76 # -- Begin expm1
77 ENTRY(expm1) function
344 END(expm1)
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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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