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    Searched refs:ieee_expm1 (Results 1 - 6 of 6) sorted by null

/external/fdlibm/
s_tanh.c	26 * 2**-55 < x <= 1 : ieee_tanh(x) := -----; t = ieee_expm1(-2x) 29 * 1 <= x <= 22.0 : ieee_tanh(x) := 1- ----- ; t=ieee_expm1(2x) 71 t = ieee_expm1(two*ieee_fabs(x)); 74 t = ieee_expm1(-two*ieee_fabs(x));
s_expm1.c	13 /* ieee_expm1(x) 25 * 2. Approximating ieee_expm1(r) by a special rational function on 55 * ieee_expm1(r) = r + --- + --- * [--------------------] 59 * expm1(r+c) = ieee_expm1(r) + c + ieee_expm1(r)*c 60 * ~ ieee_expm1(r) + c + r*c 66 * ieee_expm1(r+c)~r - ({r*(--- * [--------------------]-c)-c} - --- ) 71 * 3. Scale back to obtain ieee_expm1(x): 73 * ieee_expm1(x) = either 2^k*[expm1(r)+1] - 1 78 * (B). To achieve maximum accuracy, we compute ieee_expm1(x) b 130 double ieee_expm1(double x) function     [all...]
e_cosh.c	61 /* |x| in [0,0.5*ln2], return 1+ieee_expm1(|x|)^2/(2*ieee_exp(|x|)) */ 63 t = ieee_expm1(ieee_fabs(x));
e_sinh.c	20 * 0 <= x <= 22 : ieee_sinh(x) := --------------, E=ieee_expm1(x) 64 t = ieee_expm1(ieee_fabs(x));
fdlibm.h	174 extern double ieee_expm1 __P((double));
/libcore/luni/src/main/native/
java_lang_StrictMath.cpp	106 return ieee_expm1(a);

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