(- 1 (* x y))

Average Error: 0.0 → 0.0

Time: 573.0ms

Precision: binary64

Math

\[1 - x \cdot y\]

↓

\[1 - x \cdot y\]

C

double code(double x, double y) {
	return ((double) (1.0 - ((double) (x * y))));
}

↓

double code(double x, double y) {
	return ((double) (1.0 - ((double) (x * y))));
}

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[1 - x \cdot y\]

2. Final simplification 0.0

   \[\leadsto 1 - x \cdot y\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x y)
  :name "(- 1 (* x y))"
  :precision binary64
  (- 1.0 (* x y)))