Average Error: 7.3 → 2.3
Time: 3.2s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z, double t) {
	return ((double) (x / ((double) (((double) (y - z)) * ((double) (t - z))))));
}

↓
double code(double x, double y, double z, double t) {
	double VAR;
	if ((z <= 7.04921950447944e-271)) {
		VAR = ((double) (((double) (x / ((double) (y - z)))) / ((double) (t - z))));
	} else {
		VAR = ((double) (((double) (1.0 / ((double) (y - z)))) * ((double) (x / ((double) (t - z))))));
	}
	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
Original7.3
Target8.2
Herbie2.3
\[\]
Derivation
  1. Split input into 2 regimes
  2. if  z  < 7.0492195044794397e-271
    1. Initial program 7.2
      \[\]
    2. Using strategy rm
    3. Applied associate-/r*2.5
      \[\leadsto \]
    if 7.0492195044794397e-271 <  z 
    1. Initial program 7.5
      \[\]
    2. Using strategy rm
    3. Applied *-un-lft-identity7.5
      \[\leadsto \]
    4. Applied times-frac2.0
      \[\leadsto \]
  3. Recombined 2 regimes into one program.
  4. Final simplification2.3
    \[\leadsto \]
Reproduce
herbie shell --seed 2020190 
(FPCore (x y z t)
  :name "Data.Random.Distribution.Triangular:triangularCDF from random-fu-0.2.6.2, B"
  :precision binary64

  :herbie-target
  (if (< (/ x (* (- y z) (- t z))) 0.0) (/ (/ x (- y z)) (- t z)) (* x (/ 1.0 (* (- y z) (- t z)))))

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