Average Error: 0.0 → 0.0
Time: 4.4s
Precision: binary64
\[x - \left(y \cdot 4\right) \cdot z\]
\[x - 4 \cdot \left(z \cdot y\right)\]
x - \left(y \cdot 4\right) \cdot z
x - 4 \cdot \left(z \cdot y\right)
(FPCore (x y z) :precision binary64 (- x (* (* y 4.0) z)))
(FPCore (x y z) :precision binary64 (- x (* 4.0 (* z y))))
double code(double x, double y, double z) {
	return x - ((y * 4.0) * z);
}
double code(double x, double y, double z) {
	return x - (4.0 * (z * y));
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[x - \left(y \cdot 4\right) \cdot z\]
  2. Taylor expanded around 0 0.0

    \[\leadsto x - \color{blue}{4 \cdot \left(z \cdot y\right)}\]
  3. Final simplification0.0

    \[\leadsto x - 4 \cdot \left(z \cdot y\right)\]

Reproduce

herbie shell --seed 2021043 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quadForm from diagrams-solve-0.1, A"
  :precision binary64
  (- x (* (* y 4.0) z)))