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Searched
refs:ieee_atan
(Results
1 - 4
of
4
) sorted by null
/external/fdlibm/
e_atan2.c
74
if((hx-0x3ff00000|lx)==0) return
ieee_atan
(y); /* x=1.0 */
81
case 1: return y; /*
ieee_atan
(+-0,+anything)=+-0 */
82
case 2: return pi+tiny;/*
ieee_atan
(+0,-anything) = pi */
83
case 3: return -pi-tiny;/*
ieee_atan
(-0,-anything) =-pi */
93
case 0: return pi_o_4+tiny;/*
ieee_atan
(+INF,+INF) */
94
case 1: return -pi_o_4-tiny;/*
ieee_atan
(-INF,+INF) */
95
case 2: return 3.0*pi_o_4+tiny;/*
ieee_atan
(+INF,-INF)*/
96
case 3: return -3.0*pi_o_4-tiny;/*
ieee_atan
(-INF,-INF)*/
100
case 0: return zero ; /*
ieee_atan
(+...,+INF) */
101
case 1: return -zero ; /*
ieee_atan
(-...,+INF) *
[
all
...]
s_atan.c
15
/*
ieee_atan
(x)
17
* 1. Reduce x to positive by
ieee_atan
(x) = -
ieee_atan
(-x).
22
* [0,7/16]
ieee_atan
(x) = t-t^3*(a1+t^2*(a2+...(a10+t^2*a11)...)
23
* [7/16,11/16]
ieee_atan
(x) =
ieee_atan
(1/2) +
ieee_atan
( (t-0.5)/(1+t/2) )
24
* [11/16.19/16]
ieee_atan
(x) =
ieee_atan
( 1 ) +
ieee_atan
( (t-1)/(1+t)
86
double
ieee_atan
(double x)
function
[
all
...]
fdlibm.h
104
extern double
ieee_atan
__P((double));
/libcore/luni/src/main/native/
java_lang_StrictMath.cpp
46
return
ieee_atan
(a);
Completed in 1459 milliseconds