Average Error: 5.3 → 0.1
Time: 1.7s
Precision: binary64
\[\]
\[\]
double code(double x, double y) {
	return x * (1.0 + (y * y));
}
double code(double x, double y) {
	return (x * 1.0) + (y * (x * y));
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original5.3
Target0.1
Herbie0.1
\[\]

Derivation

  1. Initial program 5.3

    \[\]
  2. Using strategy rm
  3. Applied distribute-lft-in5.3

    \[\leadsto \]
  4. Using strategy rm
  5. Applied associate-*r*0.1

    \[\leadsto \]
  6. Final simplification0.1

    \[\leadsto \]

Reproduce

herbie shell --seed 2020338 
(FPCore (x y)
  :name "Numeric.Integration.TanhSinh:everywhere from integration-0.2.1"
  :precision binary64

  :herbie-target
  (+ x (* (* x y) y))

  (* x (+ 1.0 (* y y))))