(- x (* y x))

Average Error: 0.0 → 0.0

Time: 675.0ms

Precision: binary64

Math

\[x - y \cdot x\]

↓

\[x - y \cdot x\]

C

double code(double x, double y) {
	return ((double) (x - ((double) (y * x))));
}

↓

double code(double x, double y) {
	return ((double) (x - ((double) (y * x))));
}

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[x - y \cdot x\]

2. Final simplification 0.0

   \[\leadsto x - y \cdot x\]

Reproduce

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