Average Error: 7.3 → 1.0
Time: 3.7s
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 ((((double) (((double) (y - z)) * ((double) (t - z)))) <= -7.60800479161067e+255)) {
		VAR = ((double) (1.0 / ((double) (((double) (t - z)) * ((double) (((double) (y - z)) / x))))));
	} else {
		double VAR_1;
		if ((((double) (((double) (y - z)) * ((double) (t - z)))) <= 2.0116549643711714e+161)) {
			VAR_1 = ((double) (x / ((double) (((double) (y - z)) * ((double) (t - z))))));
		} else {
			VAR_1 = ((double) (((double) (x * ((double) (1.0 / ((double) (t - z)))))) / ((double) (y - z))));
		}
		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
Original7.3
Target8.4
Herbie1.0
\[\]
Derivation
  1. Split input into 3 regimes
  2. if  (* (- y z) (- t z))  < -7.6080047916106696e255
    1. Initial program 15.5
      \[\]
    2. Using strategy rm
    3. Applied clear-num15.6
      \[\leadsto \]
    4. Simplified0.6
      \[\leadsto \]
    if -7.6080047916106696e255 <  (* (- y z) (- t z))  < 2.01165496437117143e161
    1. Initial program 1.6
      \[\]
    if 2.01165496437117143e161 <  (* (- y z) (- t z)) 
    1. Initial program 10.6
      \[\]
    2. Using strategy rm
    3. Applied *-un-lft-identity10.6
      \[\leadsto \]
    4. Applied times-frac0.6
      \[\leadsto \]
    5. Using strategy rm
    6. Applied associate-*l/0.5
      \[\leadsto \]
    7. Simplified0.5
      \[\leadsto \]
    8. Using strategy rm
    9. Applied div-inv0.6
      \[\leadsto \]
  3. Recombined 3 regimes into one program.
  4. Final simplification1.0
    \[\leadsto \]
Reproduce
herbie shell --seed 2020180 
(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))))