Alternative 1 | |
---|---|
Error | 45.8 |
Cost | 192 |
\[\frac{1}{x}
\]
(FPCore (x) :precision binary64 (/ 1.0 (+ x 1.0)))
(FPCore (x) :precision binary64 (/ 1.0 (+ 1.0 x)))
double code(double x) { return 1.0 / (x + 1.0); }
double code(double x) { return 1.0 / (1.0 + x); }
real(8) function code(x) real(8), intent (in) :: x code = 1.0d0 / (x + 1.0d0) end function
real(8) function code(x) real(8), intent (in) :: x code = 1.0d0 / (1.0d0 + x) end function
public static double code(double x) { return 1.0 / (x + 1.0); }
public static double code(double x) { return 1.0 / (1.0 + x); }
def code(x): return 1.0 / (x + 1.0)
def code(x): return 1.0 / (1.0 + x)
function code(x) return Float64(1.0 / Float64(x + 1.0)) end
function code(x) return Float64(1.0 / Float64(1.0 + x)) end
function tmp = code(x) tmp = 1.0 / (x + 1.0); end
function tmp = code(x) tmp = 1.0 / (1.0 + x); end
code[x_] := N[(1.0 / N[(x + 1.0), $MachinePrecision]), $MachinePrecision]
code[x_] := N[(1.0 / N[(1.0 + x), $MachinePrecision]), $MachinePrecision]
\frac{1}{x + 1}
\frac{1}{1 + x}
Results
Initial program 0.2
Final simplification0.2
Alternative 1 | |
---|---|
Error | 45.8 |
Cost | 192 |
Alternative 2 | |
---|---|
Error | 54.8 |
Cost | 64 |
herbie shell --seed 1
(FPCore (x)
:name "1.0/(x+1.0)"
:precision binary64
:pre (and (<= 126.98 x) (<= x 132.47))
(/ 1.0 (+ x 1.0)))