(- x (+ x 1))

Average Error: 29.1 → 0

Time: 557.0ms

Precision: binary64

Math

\[x - \left(x + 1\right)\]

↓

\[-1\]

Error

Bits error versus x

Derivation

1. Initial program 29.1

   \[x - \left(x + 1\right)\]

2. Simplified 0

   \[\leadsto \color{blue}{-1}\]

3. Final simplification 0

   \[\leadsto -1\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(- x (+ x 1))"
  :precision binary64
  (- x (+ x 1.0)))