Average Error: 0.0 → 0.0
Time: 560.0ms
Precision: binary64
\[\tanh z + 1\]
↓
\[\tanh z + 1\]
\tanh z + 1
↓
\tanh z + 1
double code(double z) {
	return ((double) (((double) tanh(z)) + 1.0));
}
↓
double code(double z) {
	return ((double) (((double) tanh(z)) + 1.0));
}

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

    \[\tanh z + 1\]

  2. Final simplification0.0

    \[\leadsto \tanh z + 1\]

Reproduce

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