Average Error: 0.3 → 0
Time: 1.4s
Precision: 64
Internal Precision: 384
\[d \cdot 10 + d \cdot 20\]
↓
\[d \cdot \left(20 + 10\right)\]

Error

Bits error versus d

Target

Original0.3
Target0
Herbie0
\[d \cdot 30\]

Derivation

  1. Initial program 0.3

    \[d \cdot 10 + d \cdot 20\]

  2. Applied simplify0

    \[\leadsto \color{blue}{d \cdot \left(20 + 10\right)}\]
  3. Removed slow pow expressions.

Runtime

Time bar (total: 1.4s)Debug logProfile

herbie shell --seed '#(1063313015 2771194459 1594909340 1344785158 2223560818 546365448)' 
(FPCore (d)
  :name "FastMath test1"

  :herbie-target
  (* d 30)

  (+ (* d 10) (* d 20)))