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Searched
refs:ieee_log1p
(Results
1 - 6
of
6
) sorted by null
/external/fdlibm/
e_atanh.c
20
* atanh(x) = --- * ieee_log(1 + -------) = 0.5 *
ieee_log1p
(2 * --------)
24
* atanh(x) = 0.5*
ieee_log1p
(2x+2x*x/(1-x))
64
t = 0.5*
ieee_log1p
(t+t*x/(one-x));
66
t = 0.5*
ieee_log1p
((x+x)/(one-x));
e_acosh.c
22
* acosh(x) :=
ieee_log1p
(t+ieee_sqrt(2.0*t+t*t)); where t=x-1.
63
return
ieee_log1p
(t+ieee_sqrt(2.0*t+t*t));
s_asinh.c
22
* := sign(x)*
ieee_log1p
(|x| + x^2/(1 + ieee_sqrt(1+x^2)))
58
w =
ieee_log1p
(ieee_fabs(x)+t/(one+ieee_sqrt(one+t)));
s_log1p.c
14
/* double
ieee_log1p
(double x)
28
* 2. Approximation of
ieee_log1p
(f).
48
* 3. Finally,
ieee_log1p
(x) = k*ln2 +
ieee_log1p
(f).
56
* log1p(+INF) is +INF;
ieee_log1p
(-1) is -INF with signal;
70
* algorithm can be used to compute
ieee_log1p
(x) to within a few ULP:
100
double
ieee_log1p
(double x)
function
102
double
ieee_log1p
(x)
115
if(x==-1.0) return -two54/zero; /*
ieee_log1p
(-1)=+inf */
116
else return (x-x)/(x-x); /*
ieee_log1p
(x<-1)=NaN *
[
all
...]
fdlibm.h
175
extern double
ieee_log1p
__P((double));
/libcore/luni/src/main/native/
java_lang_StrictMath.cpp
114
return
ieee_log1p
(a);
Completed in 1560 milliseconds