Average Error: 0.1 → 0.0
Time: 2.8s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y, double z) {
	return ((double) (((double) (4.0 * ((double) (((double) (x - y)) - ((double) (z * 0.5)))))) / z));
}

↓
double code(double x, double y, double z) {
	return ((double) (4.0 * ((double) (((double) (((double) (x / z)) - ((double) (y / z)))) - 0.5))));
}

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
Original0.1
Target0.0
Herbie0.0
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Derivation
  1. Initial program 0.1
    \[\]
  2. Simplified0.0
    \[\leadsto \]
  3. Using strategy rm
  4. Applied div-sub0.0
    \[\leadsto \]
  5. Final simplification0.0
    \[\leadsto \]
Reproduce
herbie shell --seed 2020180 
(FPCore (x y z)
  :name "Data.Array.Repa.Algorithms.ColorRamp:rampColorHotToCold from repa-algorithms-3.4.0.1, B"
  :precision binary64

  :herbie-target
  (- (* 4.0 (/ x z)) (+ 2.0 (* 4.0 (/ y z))))

  (/ (* 4.0 (- (- x y) (* z 0.5))) z))