Average Error: 39.5 → 0.0
Time: 24.8s
Precision: 64
Internal Precision: 1344
\[\sqrt{\frac{e^{2 \cdot x} - 1}{e^{x} - 1}}\]
\[\sqrt{e^{x} + 1}\]

Error

Bits error versus x

Derivation

  1. Initial program 39.5

    \[\sqrt{\frac{e^{2 \cdot x} - 1}{e^{x} - 1}}\]
  2. Applied simplify0.0

    \[\leadsto \color{blue}{\sqrt{e^{x} + 1}}\]

Runtime

Time bar (total: 24.8s)Debug logProfile

herbie shell --seed '#(1072840222 1305617769 1692503039 1353360431 4178980589 1488672652)' +o rules:numerics
(FPCore (x)
  :name "sqrtexp (problem 3.4.4)"
  (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1))))