Average Error: 0.0 → 0.0
Time: 813.0ms
Precision: binary64
\[e^{x + 1} - e^{x - 1}\]
↓
\[e^{x + 1} - e^{x - 1}\]
e^{x + 1} - e^{x - 1}
↓
e^{x + 1} - e^{x - 1}
double code(double x) {
	return ((double) (((double) exp(((double) (x + 1.0)))) - ((double) exp(((double) (x - 1.0))))));
}
↓
double code(double x) {
	return ((double) (((double) exp(((double) (x + 1.0)))) - ((double) exp(((double) (x - 1.0))))));
}

Error

Bits error versus x

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Results

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Derivation

  1. Initial program 0.0

    \[e^{x + 1} - e^{x - 1}\]

  2. Final simplification0.0

    \[\leadsto e^{x + 1} - e^{x - 1}\]

Reproduce

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