Average Error: 2.6 → 2.1
Time: 3.4s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z, double t) {
	return ((double) (x / ((double) (y - ((double) (z * t))))));
}

↓
double code(double x, double y, double z, double t) {
	double VAR;
	if ((x <= -3.0255690960402834e+110)) {
		VAR = ((double) (1.0 / ((double) (((double) (y / x)) - ((double) (z * ((double) (t / x))))))));
	} else {
		VAR = ((double) (x / ((double) (y - ((double) (z * t))))));
	}
	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
Original2.6
Target1.7
Herbie2.1
\[\]
Derivation
  1. Split input into 2 regimes
  2. if  x  < -3.0255690960402834e110
    1. Initial program 7.3
      \[\]
    2. Using strategy rm
    3. Applied clear-num7.5
      \[\leadsto \]
    4. Using strategy rm
    5. Applied div-sub7.5
      \[\leadsto \]
    6. Simplified4.0
      \[\leadsto \]
    if -3.0255690960402834e110 <  x 
    1. Initial program 1.8
      \[\]
  3. Recombined 2 regimes into one program.
  4. Final simplification2.1
    \[\leadsto \]
Reproduce
herbie shell --seed 2020192 
(FPCore (x y z t)
  :name "Diagrams.Solve.Tridiagonal:solveTriDiagonal from diagrams-solve-0.1, B"
  :precision binary64

  :herbie-target
  (if (< x -1.618195973607049e+50) (/ 1.0 (- (/ y x) (* (/ z x) t))) (if (< x 2.1378306434876444e+131) (/ x (- y (* z t))) (/ 1.0 (- (/ y x) (* (/ z x) t)))))

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