Average Error: 0.7 → 0.7
Time: 670.0ms
Precision: binary64
\[e^{x + 1} - e^{x}\]
↓
\[e^{x + 1} - e^{x}\]
e^{x + 1} - e^{x}
↓
e^{x + 1} - e^{x}
double code(double x) {
	return ((double) (((double) exp(((double) (x + 1.0)))) - ((double) exp(x))));
}
↓
double code(double x) {
	return ((double) (((double) exp(((double) (x + 1.0)))) - ((double) exp(x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.7

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

  2. Final simplification0.7

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

Reproduce

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