Average Error: 0.0 → 0.0
Time: 706.0ms
Precision: binary64
\[\log \left(\frac{2 \cdot x}{x + 1}\right)\]
↓
\[\log \left(\frac{2 \cdot x}{x + 1}\right)\]
\log \left(\frac{2 \cdot x}{x + 1}\right)
↓
\log \left(\frac{2 \cdot x}{x + 1}\right)
double code(double x) {
	return ((double) log(((double) (((double) (2.0 * x)) / ((double) (x + 1.0))))));
}
↓
double code(double x) {
	return ((double) log(((double) (((double) (2.0 * x)) / ((double) (x + 1.0))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\log \left(\frac{2 \cdot x}{x + 1}\right)\]

  2. Final simplification0.0

    \[\leadsto \log \left(\frac{2 \cdot x}{x + 1}\right)\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(log (/ (* 2.0 x) (+ x 1.0)))"
  :precision binary64
  (log (/ (* 2.0 x) (+ x 1.0))))