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  /external/fdlibm/
e_cosh.c 16 * mathematically ieee_cosh(x) if defined to be (ieee_exp(x)+ieee_exp(-x))/2
19 * [ ieee_exp(x) - 1 ]^2
21 * 2*ieee_exp(x)
23 * ieee_exp(x) + 1/ieee_exp(x)
26 * 22 <= x <= lnovft : ieee_cosh(x) := ieee_exp(x)/2
27 * lnovft <= x <= ln2ovft: ieee_cosh(x) := ieee_exp(x/2)/2 * ieee_exp(x/2)
61 /* |x| in [0,0.5*ln2], return 1+ieee_expm1(|x|)^2/(2*ieee_exp(|x|)) *
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w_exp.c 14 * wrapper ieee_exp(x)
28 double ieee_exp(double x) /* wrapper exp */ function
30 double ieee_exp(x) /* wrapper exp */
e_sinh.c 16 * mathematically ieee_sinh(x) if defined to be (ieee_exp(x)-ieee_exp(-x))/2
23 * 22 <= x <= lnovft : ieee_sinh(x) := ieee_exp(x)/2
24 * lnovft <= x <= ln2ovft: ieee_sinh(x) := ieee_exp(x/2)/2 * ieee_exp(x/2)
69 /* |x| in [22, ieee_log(maxdouble)] return 0.5*ieee_exp(|x|) */
e_exp.c 26 * 2. Approximation of ieee_exp(r) by a special rational function on
29 * R(r**2) = r*(ieee_exp(r)+1)/(ieee_exp(r)-1) = 2 + r*r/6 - r**4/360 + ...
40 * The computation of ieee_exp(r) thus becomes
51 * 3. Scale back to obtain ieee_exp(x):
53 * ieee_exp(x) = 2^k * ieee_exp(r)
56 * exp(INF) is INF, ieee_exp(NaN) is NaN;
58 * for finite argument, only ieee_exp(0)=1 is exact.
66 * if x > 7.09782712893383973096e+02 then ieee_exp(x) overflo
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s_expm1.c 14 * Returns ieee_exp(x)-1, the exponential of x minus 1.
28 * r*(ieee_exp(r)+1)/(ieee_exp(r)-1) = 2+ r^2/6 - r^4/360 + ...
30 * r*(ieee_exp(r)+1)/(ieee_exp(r)-1) = 2+ r^2/6 * R1(r*r)
32 * R1(r**2) = 6/r *((ieee_exp(r)+1)/(ieee_exp(r)-1) - 2/r)
33 * = 6/r * ( 1 + 2.0*(1/(ieee_exp(r)-1) - 1/r))
51 * expm1(r) = ieee_exp(r)-1 is then computed by the following
84 * (v) if (k<-2||k>56) return 2^k(1-(E-r)) - 1 (or ieee_exp(x)-1
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s_erf.c 18 * ieee_erf(x) = --------- | ieee_exp(-t*t)dt
64 * erfc(x) = (1/x)*ieee_exp(-x*x-0.5625+R1/S1)
71 * erfc(x) = (1/x)*ieee_exp(-x*x-0.5625+R2/S2) if x > 0
72 * = 2.0 - (1/x)*ieee_exp(-x*x-0.5625+R2/S2) if -6<x<0
81 * To compute ieee_exp(-x*x-0.5625+R/S), let s be a single
84 * ieee_exp(-x*x-0.5626+R/S) =
85 * exp(-s*s-0.5625)*ieee_exp((s-x)*(s+x)+R/S);
88 * ieee_exp(-x*x)
fdlibm.h 114 extern double ieee_exp __P((double));
k_standard.c 171 /* ieee_exp(finite) overflow */
185 /* ieee_exp(finite) underflow */
e_pow.c 25 * 3. Return x**y = 2**n*ieee_exp(y'*log2)
readme 107 Similarly, ieee_exp(-huge) will be mapped to tiny*tiny to generate
  /libcore/ojluni/src/main/native/
StrictMath.c 74 return (jdouble) ieee_exp((double)d);

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