Average Error: 0.0 → 0.0
Time: 490.0ms
Precision: binary64
\[x - 2 \cdot x\]
↓
\[x - 2 \cdot x\]
x - 2 \cdot x
↓
x - 2 \cdot x
double code(double x) {
	return ((double) (x - ((double) (2.0 * x))));
}
↓
double code(double x) {
	return ((double) (x - ((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 0.0

    \[x - 2 \cdot x\]

  2. Final simplification0.0

    \[\leadsto x - 2 \cdot x\]

Reproduce

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