Average Error: 0.7 → 0.7
Time: 787.0ms
Precision: binary64
\[e^{x} - e^{x + 1}\]
↓
\[e^{x} - e^{x + 1}\]
e^{x} - e^{x + 1}
↓
e^{x} - e^{x + 1}
double code(double x) {
	return ((double) (((double) exp(x)) - ((double) exp(((double) (x + 1.0))))));
}
↓
double code(double x) {
	return ((double) (((double) exp(x)) - ((double) exp(((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 0.7

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

  2. Final simplification0.7

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

Reproduce

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