Average Error: 0.0 → 0.0
Time: 1.0s
Precision: binary64
\[\left(x + y\right) \cdot \left(x - y\right) \]
↓
\[\left(x + y\right) \cdot \left(x - y\right) \]
(FPCore (x y) :precision binary64 (* (+ x y) (- x y)))
↓
(FPCore (x y) :precision binary64 (* (+ x y) (- x y)))
double code(double x, double y) {
	return (x + y) * (x - y);
}
↓
double code(double x, double y) {
	return (x + y) * (x - y);
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (x + y) * (x - y)
end function
↓
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (x + y) * (x - y)
end function

public static double code(double x, double y) {
	return (x + y) * (x - y);
}
↓
public static double code(double x, double y) {
	return (x + y) * (x - y);
}

def code(x, y):
	return (x + y) * (x - y)
↓
def code(x, y):
	return (x + y) * (x - y)

function code(x, y)
	return Float64(Float64(x + y) * Float64(x - y))
end
↓
function code(x, y)
	return Float64(Float64(x + y) * Float64(x - y))
end

function tmp = code(x, y)
	tmp = (x + y) * (x - y);
end
↓
function tmp = code(x, y)
	tmp = (x + y) * (x - y);
end

code[x_, y_] := N[(N[(x + y), $MachinePrecision] * N[(x - y), $MachinePrecision]), $MachinePrecision]
↓
code[x_, y_] := N[(N[(x + y), $MachinePrecision] * N[(x - y), $MachinePrecision]), $MachinePrecision]

\left(x + y\right) \cdot \left(x - y\right)
↓
\left(x + y\right) \cdot \left(x - y\right)

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\left(x + y\right) \cdot \left(x - y\right) \]

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2022150 
(FPCore (x y)
  :name "Examples.Basics.BasicTests:f1 from sbv-4.4"
  :precision binary64
  (* (+ x y) (- x y)))