double code(double a, double b, double eps) {
return (eps * (exp(((a + b) * eps)) - 1.0)) / ((exp((a * eps)) - 1.0) * (exp((b * eps)) - 1.0));
}
↓
double code(double a, double b, double eps) {
double t_0 = cbrt(expm1((eps * b)));
double t_1 = eps * (a + b);
double t_2 = (eps * (exp(t_1) + -1.0)) / ((exp((eps * a)) + -1.0) * (exp((eps * b)) + -1.0));
double tmp;
if (t_2 <= -((double) INFINITY)) {
tmp = (1.0 / b) + (1.0 / a);
} else if (t_2 <= 2e-19) {
tmp = (((eps / expm1((eps * a))) * expm1(t_1)) / pow(t_0, 2.0)) / t_0;
} else {
tmp = (1.0 / b) + ((1.0 / a) + (eps * 0.5));
}
return tmp;
}
public static double code(double a, double b, double eps) {
return (eps * (Math.exp(((a + b) * eps)) - 1.0)) / ((Math.exp((a * eps)) - 1.0) * (Math.exp((b * eps)) - 1.0));
}
↓
public static double code(double a, double b, double eps) {
double t_0 = Math.cbrt(Math.expm1((eps * b)));
double t_1 = eps * (a + b);
double t_2 = (eps * (Math.exp(t_1) + -1.0)) / ((Math.exp((eps * a)) + -1.0) * (Math.exp((eps * b)) + -1.0));
double tmp;
if (t_2 <= -Double.POSITIVE_INFINITY) {
tmp = (1.0 / b) + (1.0 / a);
} else if (t_2 <= 2e-19) {
tmp = (((eps / Math.expm1((eps * a))) * Math.expm1(t_1)) / Math.pow(t_0, 2.0)) / t_0;
} else {
tmp = (1.0 / b) + ((1.0 / a) + (eps * 0.5));
}
return tmp;
}
function code(a, b, eps)
return Float64(Float64(eps * Float64(exp(Float64(Float64(a + b) * eps)) - 1.0)) / Float64(Float64(exp(Float64(a * eps)) - 1.0) * Float64(exp(Float64(b * eps)) - 1.0)))
end
↓
function code(a, b, eps)
t_0 = cbrt(expm1(Float64(eps * b)))
t_1 = Float64(eps * Float64(a + b))
t_2 = Float64(Float64(eps * Float64(exp(t_1) + -1.0)) / Float64(Float64(exp(Float64(eps * a)) + -1.0) * Float64(exp(Float64(eps * b)) + -1.0)))
tmp = 0.0
if (t_2 <= Float64(-Inf))
tmp = Float64(Float64(1.0 / b) + Float64(1.0 / a));
elseif (t_2 <= 2e-19)
tmp = Float64(Float64(Float64(Float64(eps / expm1(Float64(eps * a))) * expm1(t_1)) / (t_0 ^ 2.0)) / t_0);
else
tmp = Float64(Float64(1.0 / b) + Float64(Float64(1.0 / a) + Float64(eps * 0.5)));
end
return tmp
end
code[a_, b_, eps_] := N[(N[(eps * N[(N[Exp[N[(N[(a + b), $MachinePrecision] * eps), $MachinePrecision]], $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision] / N[(N[(N[Exp[N[(a * eps), $MachinePrecision]], $MachinePrecision] - 1.0), $MachinePrecision] * N[(N[Exp[N[(b * eps), $MachinePrecision]], $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
↓
code[a_, b_, eps_] := Block[{t$95$0 = N[Power[N[(Exp[N[(eps * b), $MachinePrecision]] - 1), $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$1 = N[(eps * N[(a + b), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(eps * N[(N[Exp[t$95$1], $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision] / N[(N[(N[Exp[N[(eps * a), $MachinePrecision]], $MachinePrecision] + -1.0), $MachinePrecision] * N[(N[Exp[N[(eps * b), $MachinePrecision]], $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, (-Infinity)], N[(N[(1.0 / b), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 2e-19], N[(N[(N[(N[(eps / N[(Exp[N[(eps * a), $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision] * N[(Exp[t$95$1] - 1), $MachinePrecision]), $MachinePrecision] / N[Power[t$95$0, 2.0], $MachinePrecision]), $MachinePrecision] / t$95$0), $MachinePrecision], N[(N[(1.0 / b), $MachinePrecision] + N[(N[(1.0 / a), $MachinePrecision] + N[(eps * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]