Average Error: 0.0 → 0.0
Time: 693.0ms
Precision: binary64
\[4 \cdot s - r \cdot r\]
↓
\[4 \cdot s - r \cdot r\]
4 \cdot s - r \cdot r
↓
4 \cdot s - r \cdot r
double code(double s, double r) {
	return ((double) (((double) (4.0 * s)) - ((double) (r * r))));
}
↓
double code(double s, double r) {
	return ((double) (((double) (4.0 * s)) - ((double) (r * r))));
}

Error

Bits error versus s

Bits error versus r

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[4 \cdot s - r \cdot r\]

  2. Final simplification0.0

    \[\leadsto 4 \cdot s - r \cdot r\]

Reproduce

herbie shell --seed 2020153 
(FPCore (s r)
  :name "(- (* 4 s) (* r r))"
  :precision binary64
  (- (* 4.0 s) (* r r)))