Average Error: 24.4 → 10.2
Time: 11.1s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z, double t, double a) {
	return ((double) (x + ((double) (((double) (((double) (y - x)) * ((double) (z - t)))) / ((double) (a - t))))));
}

↓
double code(double x, double y, double z, double t, double a) {
	double VAR;
	if (((t <= -4.600313077092651e+94) || !(t <= 4.401597097352974e+240))) {
		VAR = ((double) (y + ((double) (((double) (((double) (x / t)) * z)) - ((double) (y * ((double) (z / t))))))));
	} else {
		VAR = ((double) (x + ((double) (((double) (y - x)) * ((double) (((double) (z - t)) / ((double) (a - t))))))));
	}
	return VAR;
}

Error
Bits error versus x
Bits error versus y
Bits error versus z
Bits error versus t
Bits error versus a
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Target
Original24.4
Target9.4
Herbie10.2
\[\]
Derivation
  1. Split input into 2 regimes
  2. if  t  < -4.600313077092651e94 or 4.40159709735297392e240 <  t 
    1. Initial program 45.1
      \[\]
    2. Simplified21.9
      \[\leadsto \]
    3. Using strategy rm
    4. Applied *-un-lft-identity21.9
      \[\leadsto \]
    5. Applied add-cube-cbrt22.7
      \[\leadsto \]
    6. Applied times-frac22.7
      \[\leadsto \]
    7. Simplified22.7
      \[\leadsto \]
    8. Taylor expanded around inf 26.3
      \[\leadsto \]
    9. Simplified16.6
      \[\leadsto \]
    if -4.600313077092651e94 <  t  < 4.40159709735297392e240
    1. Initial program 17.0
      \[\]
    2. Simplified8.0
      \[\leadsto \]
  3. Recombined 2 regimes into one program.
  4. Final simplification10.2
    \[\leadsto \]
Reproduce
herbie shell --seed 2020179 
(FPCore (x y z t a)
  :name "Graphics.Rendering.Chart.Axis.Types:linMap from Chart-1.5.3"
  :precision binary64

  :herbie-target
  (if (< a -1.6153062845442575e-142) (+ x (* (/ (- y x) 1.0) (/ (- z t) (- a t)))) (if (< a 3.774403170083174e-182) (- y (* (/ z t) (- y x))) (+ x (* (/ (- y x) 1.0) (/ (- z t) (- a t))))))

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