Average Error: 6.4 → 0.7
Time: 4.9s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z, double t, double a) {
	return ((double) (x - ((double) (((double) (y * ((double) (z - t)))) / a))));
}

↓
double code(double x, double y, double z, double t, double a) {
	double VAR;
	if ((((double) (y * ((double) (z - t)))) <= -1.962693662107902e+159)) {
		VAR = ((double) (x + ((double) (y * ((double) (((double) (t - z)) / a))))));
	} else {
		double VAR_1;
		if ((((double) (y * ((double) (z - t)))) <= 1.3288961013855822e+224)) {
			VAR_1 = ((double) (x - ((double) (1.0 / ((double) (a / ((double) (y * ((double) (z - t))))))))));
		} else {
			VAR_1 = ((double) (x - ((double) (((double) (z - t)) * ((double) (y / a))))));
		}
		VAR = VAR_1;
	}
	return VAR;
}

Error
Bits error versus x
Bits error versus y
Bits error versus z
Bits error versus t
Bits error versus a
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Target
Original6.4
Target0.9
Herbie0.7
\[\]
Derivation
  1. Split input into 3 regimes
  2. if  (* y (- z t))  < -1.962693662107902e159
    1. Initial program 22.2
      \[\]
    2. Simplified1.8
      \[\leadsto \]
    if -1.962693662107902e159 <  (* y (- z t))  < 1.32889610138558224e224
    1. Initial program 0.5
      \[\]
    2. Using strategy rm
    3. Applied clear-num0.5
      \[\leadsto \]
    if 1.32889610138558224e224 <  (* y (- z t)) 
    1. Initial program 34.3
      \[\]
    2. Using strategy rm
    3. Applied add-cube-cbrt34.6
      \[\leadsto \]
    4. Applied associate-/r*34.6
      \[\leadsto \]
    5. Simplified9.3
      \[\leadsto \]
    6. Using strategy rm
    7. Applied *-un-lft-identity9.3
      \[\leadsto \]
    8. Applied cbrt-prod9.3
      \[\leadsto \]
    9. Applied times-frac1.2
      \[\leadsto \]
    10. Simplified1.2
      \[\leadsto \]
    11. Simplified0.4
      \[\leadsto \]
  3. Recombined 3 regimes into one program.
  4. Final simplification0.7
    \[\leadsto \]
Reproduce
herbie shell --seed 2020180 
(FPCore (x y z t a)
  :name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, F"
  :precision binary64

  :herbie-target
  (if (< y -1.0761266216389975e-10) (- x (/ 1.0 (/ (/ a (- z t)) y))) (if (< y 2.894426862792089e-49) (- x (/ (* y (- z t)) a)) (- x (/ y (/ a (- z t))))))

  (- x (/ (* y (- z t)) a)))