Average Error: 38.9 → 38.9
Time: 1.7s
Precision: binary64
\[e^{x} - e^{2 \cdot x}\]
↓
\[e^{x} - e^{2 \cdot x}\]
e^{x} - e^{2 \cdot x}
↓
e^{x} - e^{2 \cdot x}
double code(double x) {
	return ((double) (((double) exp(x)) - ((double) exp(((double) (2.0 * x))))));
}
↓
double code(double x) {
	return ((double) (((double) exp(x)) - ((double) exp(((double) (2.0 * x))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 38.9

    \[e^{x} - e^{2 \cdot x}\]

  2. Final simplification38.9

    \[\leadsto e^{x} - e^{2 \cdot x}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (exp x) (exp (* 2 x)))"
  :precision binary64
  (- (exp x) (exp (* 2.0 x))))