Average Error: 0.0 → 0.0
Time: 1.0s
Precision: binary64
\[a \cdot b - c \cdot d\]
↓
\[a \cdot b - c \cdot d\]
a \cdot b - c \cdot d
↓
a \cdot b - c \cdot d
double code(double a, double b, double c, double d) {
	return ((double) (((double) (a * b)) - ((double) (c * d))));
}
↓
double code(double a, double b, double c, double d) {
	return ((double) (((double) (a * b)) - ((double) (c * d))));
}

Error

Bits error versus a

Bits error versus b

Bits error versus c

Bits error versus d

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[a \cdot b - c \cdot d\]

  2. Final simplification0.0

    \[\leadsto a \cdot b - c \cdot d\]

Reproduce

herbie shell --seed 2020152 
(FPCore (a b c d)
  :name "(- (* a b) (* c d))"
  :precision binary64
  (- (* a b) (* c d)))