Average Error: 0.3 → 0.3
Time: 632.0ms
Precision: binary64
\[\left(x + 0.10000000000000001\right) - 3 \cdot x\]
↓
\[\left(x + 0.10000000000000001\right) - 3 \cdot x\]
\left(x + 0.10000000000000001\right) - 3 \cdot x
↓
\left(x + 0.10000000000000001\right) - 3 \cdot x
double code(double x) {
	return ((double) (((double) (x + 0.1)) - ((double) (3.0 * x))));
}
↓
double code(double x) {
	return ((double) (((double) (x + 0.1)) - ((double) (3.0 * x))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

    \[\left(x + 0.10000000000000001\right) - 3 \cdot x\]

  2. Final simplification0.3

    \[\leadsto \left(x + 0.10000000000000001\right) - 3 \cdot x\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(- (+ x 0.1) (* 3 x))"
  :precision binary64
  (- (+ x 0.1) (* 3.0 x)))