Average Error: 7.8 → 0.4
Time: 3.5s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z) {
	return ((double) (((double) (((double) cosh(x)) * ((double) (y / x)))) / z));
}

↓
double code(double x, double y, double z) {
	double VAR;
	if (((z <= -4.824673969013898e+58) || !(z <= 2.3322492633980286e-16))) {
		VAR = ((double) (((double) cosh(x)) * ((double) (y / ((double) (z * x))))));
	} else {
		VAR = ((double) (((double) cosh(x)) * ((double) (1.0 / ((double) (z * ((double) (x / y))))))));
	}
	return VAR;
}

Error
Bits error versus x
Bits error versus y
Bits error versus z
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Target
Original7.8
Target0.4
Herbie0.4
\[\]
Derivation
  1. Split input into 2 regimes
  2. if  z  < -4.824673969013898e58 or 2.33224926339802862e-16 <  z 
    1. Initial program 12.5
      \[\]
    2. Simplified0.3
      \[\leadsto \]
    if -4.824673969013898e58 <  z  < 2.33224926339802862e-16
    1. Initial program 0.7
      \[\]
    2. Simplified17.6
      \[\leadsto \]
    3. Using strategy rm
    4. Applied clear-num17.7
      \[\leadsto \]
    5. Simplified0.6
      \[\leadsto \]
  3. Recombined 2 regimes into one program.
  4. Final simplification0.4
    \[\leadsto \]
Reproduce
herbie shell --seed 2020190 
(FPCore (x y z)
  :name "Linear.Quaternion:$ctan from linear-1.19.1.3"
  :precision binary64

  :herbie-target
  (if (< y -4.618902267687042e-52) (* (/ (/ y z) x) (cosh x)) (if (< y 1.0385305359351529e-39) (/ (/ (* (cosh x) y) x) z) (* (/ (/ y z) x) (cosh x))))

  (/ (* (cosh x) (/ y x)) z))