(/ (- 1) (* 2 x))

Average Error: 0.0 → 0.0

Time: 421.0ms

Precision: binary64

Math

\[\frac{-1}{2 \cdot x}\]

↓

\[\frac{-1}{2 \cdot x}\]

Error

Bits error versus x

Derivation

1. Initial program 0.0

   \[\frac{-1}{2 \cdot x}\]

2. Final simplification 0.0

   \[\leadsto \frac{-1}{2 \cdot x}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(/ (- 1) (* 2 x))"
  :precision binary64
  (/ (neg 1.0) (* 2.0 x)))