\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i
\left(\left(\left(\left(\left(x \cdot \left(2 \cdot \log \left(e^{\log \left({y}^{\frac{1}{3}}\right)}\right)\right) + x \cdot \log \left(\sqrt[3]{y}\right)\right) + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot idouble f(double x, double y, double z, double t, double a, double b, double c, double i) {
double r68231 = x;
double r68232 = y;
double r68233 = log(r68232);
double r68234 = r68231 * r68233;
double r68235 = z;
double r68236 = r68234 + r68235;
double r68237 = t;
double r68238 = r68236 + r68237;
double r68239 = a;
double r68240 = r68238 + r68239;
double r68241 = b;
double r68242 = 0.5;
double r68243 = r68241 - r68242;
double r68244 = c;
double r68245 = log(r68244);
double r68246 = r68243 * r68245;
double r68247 = r68240 + r68246;
double r68248 = i;
double r68249 = r68232 * r68248;
double r68250 = r68247 + r68249;
return r68250;
}
double f(double x, double y, double z, double t, double a, double b, double c, double i) {
double r68251 = x;
double r68252 = 2.0;
double r68253 = y;
double r68254 = 0.3333333333333333;
double r68255 = pow(r68253, r68254);
double r68256 = log(r68255);
double r68257 = exp(r68256);
double r68258 = log(r68257);
double r68259 = r68252 * r68258;
double r68260 = r68251 * r68259;
double r68261 = cbrt(r68253);
double r68262 = log(r68261);
double r68263 = r68251 * r68262;
double r68264 = r68260 + r68263;
double r68265 = z;
double r68266 = r68264 + r68265;
double r68267 = t;
double r68268 = r68266 + r68267;
double r68269 = a;
double r68270 = r68268 + r68269;
double r68271 = b;
double r68272 = 0.5;
double r68273 = r68271 - r68272;
double r68274 = c;
double r68275 = log(r68274);
double r68276 = r68273 * r68275;
double r68277 = r68270 + r68276;
double r68278 = i;
double r68279 = r68253 * r68278;
double r68280 = r68277 + r68279;
return r68280;
}



Bits error versus x



Bits error versus y



Bits error versus z



Bits error versus t



Bits error versus a



Bits error versus b



Bits error versus c



Bits error versus i
Results
Initial program 0.1
rmApplied add-cube-cbrt0.1
Applied log-prod0.1
Applied distribute-lft-in0.1
Simplified0.1
rmApplied add-exp-log0.1
Simplified0.1
Final simplification0.1
herbie shell --seed 2020020
(FPCore (x y z t a b c i)
:name "Numeric.SpecFunctions:logBeta from math-functions-0.1.5.2, B"
:precision binary64
(+ (+ (+ (+ (+ (* x (log y)) z) t) a) (* (- b 0.5) (log c))) (* y i)))