Average Error: 0.0 → 0.0
Time: 534.0ms
Precision: binary64
\[\tanh \left(x + 1\right)\]
↓
\[\tanh \left(x + 1\right)\]
\tanh \left(x + 1\right)
↓
\tanh \left(x + 1\right)
double code(double x) {
	return ((double) tanh(((double) (x + 1.0))));
}
↓
double code(double x) {
	return ((double) tanh(((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

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

  2. Final simplification0.0

    \[\leadsto \tanh \left(x + 1\right)\]

Reproduce

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