Average Error: 6.4 → 0.8
Time: 5.4s
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)))) <= -2.560799253975069e+179)) {
		VAR = ((double) (x + ((double) (((double) (y / a)) * ((double) (t - z))))));
	} else {
		double VAR_1;
		if ((((double) (y * ((double) (z - t)))) <= 5.525893266724952e+116)) {
			VAR_1 = ((double) (x + ((double) (((double) (y * ((double) (z - t)))) * ((double) (-1.0 / a))))));
		} else {
			VAR_1 = ((double) (x - ((double) (y / ((double) (a / ((double) (z - t))))))));
		}
		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
Target0.8
Herbie0.8
\[\]
Derivation
  1. Split input into 3 regimes
  2. if  (* y (- z t))  < -2.560799253975069e179
    1. Initial program 26.9
      \[\]
    2. Using strategy rm
    3. Applied sub-neg26.9
      \[\leadsto \]
    4. Simplified1.0
      \[\leadsto \]
    if -2.560799253975069e179 <  (* y (- z t))  < 5.5258932667249522e116
    1. Initial program 0.4
      \[\]
    2. Using strategy rm
    3. Applied div-inv0.4
      \[\leadsto \]
    if 5.5258932667249522e116 <  (* y (- z t)) 
    1. Initial program 18.8
      \[\]
    2. Using strategy rm
    3. Applied associate-/l*2.6
      \[\leadsto \]
  3. Recombined 3 regimes into one program.
  4. Final simplification0.8
    \[\leadsto \]
Reproduce
herbie shell --seed 2020191 
(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)))