Average Error: 49.1 → 49.1
Time: 739.0ms
Precision: 64
Internal precision: 384
\[1.7 \cdot 10^{+308} \cdot t - 1.7 \cdot 10^{+308}\]
⬇
\[1.7 \cdot 10^{+308} \cdot t - 1.7 \cdot 10^{+308}\]

Error

Bits error versus t

Target

Original49.1
Comparison0
Herbie49.1
\[ (\left( 1.7 \cdot 10^{+308} \right) \cdot t + \left(-1.7 \cdot 10^{+308}\right))_* \]

Derivation

  1. Initial program 49.1

    \[1.7 \cdot 10^{+308} \cdot t - 1.7 \cdot 10^{+308}\]
  2. Removed slow pow expressions

Runtime

Time bar (total: 739.0ms) Debug logProfile

Please include this information when filing a bug report:

herbie shell --seed '#(1064524629 4159152179 2999149171 575749698 4006532819 692958815)'
(FPCore (t)
  :name "fma_test2"
  :pre (<= 1.9 t 2.1)

  :target
  (fma 1.7e+308 t (- 1.7e+308))

  (- (* 1.7e+308 t) 1.7e+308))