Average Error: 2.2 → 2.2
Time: 23.7s
Precision: 64
Internal Precision: 128
\[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\]
\[\frac{a}{\frac{1 + \left(k \cdot k + 10 \cdot k\right)}{{k}^{m}}}\]

Error

Bits error versus a

Bits error versus k

Bits error versus m

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 2.2

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\]
  2. Using strategy rm
  3. Applied associate-/l*2.2

    \[\leadsto \color{blue}{\frac{a}{\frac{\left(1 + 10 \cdot k\right) + k \cdot k}{{k}^{m}}}}\]
  4. Using strategy rm
  5. Applied associate-+l+2.2

    \[\leadsto \frac{a}{\frac{\color{blue}{1 + \left(10 \cdot k + k \cdot k\right)}}{{k}^{m}}}\]
  6. Final simplification2.2

    \[\leadsto \frac{a}{\frac{1 + \left(k \cdot k + 10 \cdot k\right)}{{k}^{m}}}\]

Reproduce

herbie shell --seed 2019021 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  (/ (* a (pow k m)) (+ (+ 1 (* 10 k)) (* k k))))