Average Error: 7.0 → 0.2
Time: 2.3s
Precision: binary64
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double code(double x_46_re, double x_46_im) {
	return ((double) (((double) (((double) (((double) (x_46_re * x_46_re)) - ((double) (x_46_im * x_46_im)))) * x_46_im)) + ((double) (((double) (((double) (x_46_re * x_46_im)) + ((double) (x_46_im * x_46_re)))) * x_46_re))));
}
double code(double x_46_re, double x_46_im) {
	return ((double) (((double) (((double) (x_46_re * ((double) (x_46_re * x_46_im)))) * 3.0)) - ((double) pow(x_46_im, 3.0))));
}

Error

Bits error versus x.re

Bits error versus x.im

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original7.0
Target0.2
Herbie0.2
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Derivation

  1. Initial program 7.0

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  2. Simplified0.2

    \[\leadsto \]
  3. Using strategy rm
  4. Applied associate-*r*0.2

    \[\leadsto \]
  5. Using strategy rm
  6. Applied associate-*r*0.2

    \[\leadsto \]
  7. Final simplification0.2

    \[\leadsto \]

Reproduce

herbie shell --seed 2020192 
(FPCore (x.re x.im)
  :name "math.cube on complex, imaginary part"
  :precision binary64

  :herbie-target
  (+ (* (* x.re x.im) (* 2.0 x.re)) (* (* x.im (- x.re x.im)) (+ x.re x.im)))

  (+ (* (- (* x.re x.re) (* x.im x.im)) x.im) (* (+ (* x.re x.im) (* x.im x.re)) x.re)))