Average Error: 2.3 → 0.8
Time: 4.1s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z, double t) {
	return ((double) (((double) (((double) (x - y)) / ((double) (z - y)))) * t));
}

↓
double code(double x, double y, double z, double t) {
	double VAR;
	if ((((double) (((double) (x - y)) / ((double) (z - y)))) <= -1.64977974968708e+231)) {
		VAR = ((double) (((double) (x - y)) / ((double) (((double) (z - y)) / t))));
	} else {
		double VAR_1;
		if ((((double) (((double) (x - y)) / ((double) (z - y)))) <= -1.075489859696683e-142)) {
			VAR_1 = ((double) (((double) (((double) (x - y)) / ((double) (z - y)))) * t));
		} else {
			double VAR_2;
			if ((((double) (((double) (x - y)) / ((double) (z - y)))) <= 0.0)) {
				VAR_2 = ((double) (((double) (x - y)) * ((double) (t / ((double) (z - y))))));
			} else {
				double VAR_3;
				if ((((double) (((double) (x - y)) / ((double) (z - y)))) <= 3.6281059293964274e+68)) {
					VAR_3 = ((double) (((double) (((double) (x - y)) / ((double) (z - y)))) * t));
				} else {
					VAR_3 = ((double) (((double) (x - y)) / ((double) (((double) (z - y)) / t))));
				}
				VAR_2 = VAR_3;
			}
			VAR_1 = VAR_2;
		}
		VAR = VAR_1;
	}
	return VAR;
}

Error
Bits error versus x
Bits error versus y
Bits error versus z
Bits error versus t
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Target
Original2.3
Target2.3
Herbie0.8
\[\]
Derivation
  1. Split input into 3 regimes
  2. if  (/ (- x y) (- z y))  < -1.64977974968708e231 or 3.62810592939642737e68 <  (/ (- x y) (- z y)) 
    1. Initial program 11.8
      \[\]
    2. Using strategy rm
    3. Applied associate-*l/4.3
      \[\leadsto \]
    4. Using strategy rm
    5. Applied associate-/l*5.0
      \[\leadsto \]
    if -1.64977974968708e231 <  (/ (- x y) (- z y))  < -1.075489859696683e-142 or 0.0 <  (/ (- x y) (- z y))  < 3.62810592939642737e68
    1. Initial program 0.2
      \[\]
    if -1.075489859696683e-142 <  (/ (- x y) (- z y))  < 0.0
    1. Initial program 9.1
      \[\]
    2. Simplified1.4
      \[\leadsto \]
  3. Recombined 3 regimes into one program.
  4. Final simplification0.8
    \[\leadsto \]
Reproduce
herbie shell --seed 2020179 
(FPCore (x y z t)
  :name "Numeric.Signal.Multichannel:$cput from hsignal-0.2.7.1"
  :precision binary64

  :herbie-target
  (/ t (/ (- z y) (- x y)))

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