Average Error: 0.0 → 0.0
Time: 562.0ms
Precision: binary64
\[1 + \tanh z\]
↓
\[1 + \tanh z\]
1 + \tanh z
↓
1 + \tanh z
double code(double z) {
	return ((double) (1.0 + ((double) tanh(z))));
}
↓
double code(double z) {
	return ((double) (1.0 + ((double) tanh(z))));
}

Error

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[1 + \tanh z\]

  2. Final simplification0.0

    \[\leadsto 1 + \tanh z\]

Reproduce

herbie shell --seed 2020153 
(FPCore (z)
  :name "(+ 1 (tanh z))"
  :precision binary64
  (+ 1.0 (tanh z)))