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  /external/fdlibm/
k_tan.c 18 * Input k indicates whether ieee_tan (if k = 1) or -1/tan (if k = -1) is returned.
21 * 1. Since ieee_tan(-x) = -ieee_tan(x), we need only to consider positive x.
23 * 3. ieee_tan(x) is approximated by a odd polynomial of degree 27 on
29 * |ieee_tan(x) 2 4 26 | -59.2
33 * Note: ieee_tan(x+y) = ieee_tan(x) + tan'(x)*y
34 * ~ ieee_tan(x) + (1+x*x)*y
35 * Therefore, for better accuracy in computing ieee_tan(x+y), let
43 * tan(x) = ieee_tan(pi/4-y) = (1-ieee_tan(y))/(1+ieee_tan(y)
    [all...]
s_tan.c 14 /* ieee_tan(x)
27 * n ieee_sin(x) ieee_cos(x) ieee_tan(x)
47 double ieee_tan(double x) function
49 double ieee_tan(x)
63 /* ieee_tan(Inf or NaN) is NaN */
changes 66 ieee_tan(1.7765241907548024E+269) = 1.7733884462610958E+16
s_cos.c 28 * n ieee_sin(x) ieee_cos(x) ieee_tan(x)
s_sin.c 28 * n ieee_sin(x) ieee_cos(x) ieee_tan(x)
fdlibm.h 108 extern double ieee_tan __P((double));
  /external/chromium_org/v8/third_party/fdlibm/
fdlibm.js 209 // Input k indicates whether ieee_tan (if k = 1) or -1/tan (if k = -1)
213 // 1. Since ieee_tan(-x) = -ieee_tan(x), we need only to consider positive x.
215 // 3. ieee_tan(x) is approximated by a odd polynomial of degree 27 on
221 // |ieee_tan(x) 2 4 26 | -59.2
225 // Note: ieee_tan(x+y) = ieee_tan(x) + tan'(x)*y
226 // ~ ieee_tan(x) + (1+x*x)*y
227 // Therefore, for better accuracy in computing ieee_tan(x+y), let
235 // tan(x) = ieee_tan(pi/4-y) = (1-ieee_tan(y))/(1+ieee_tan(y)
    [all...]
  /libcore/luni/src/main/native/
java_lang_StrictMath.cpp 34 return ieee_tan(a);

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