(FPCore (a b c) :precision binary64 (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
double code(double a, double b, double c) {
return (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (-b + sqrt(((b * b) - ((4.0d0 * a) * c)))) / (2.0d0 * a)
end function
public static double code(double a, double b, double c) {
return (-b + Math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
def code(a, b, c): return (-b + math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a)
function code(a, b, c) return Float64(Float64(Float64(-b) + sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c)))) / Float64(2.0 * a)) end
function tmp = code(a, b, c) tmp = (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a); end
code[a_, b_, c_] := N[(N[((-b) + N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}
Please include this information when filing a bug report:
herbie shell --seed 2023096
(FPCore (a b c)
:name "Quadratic roots, narrow range"
:precision binary64
:pre (and (and (and (< 1.0536712127723509e-8 a) (< a 94906265.62425156)) (and (< 1.0536712127723509e-8 b) (< b 94906265.62425156))) (and (< 1.0536712127723509e-8 c) (< c 94906265.62425156)))
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
| match-define: no matching clause for '((x +.f64 (hypot.f64 b (sqrt.f64 (*.f64 a (*.f64 c -4)))) (neg.f64 b))) | L | C | |
|---|---|---|---|
| program-body | /home/nightlies/herbie/remove-change/src/programs.rkt | 21 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt | 379 | 33 |
| gen-rewrites! | /home/nightlies/herbie/remove-change/src/patch.rkt | 145 | 0 |
| patch-table-run | /home/nightlies/herbie/remove-change/src/patch.rkt | 296 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt | 486 | 18 |
| run-iter! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 267 | 0 |
| mutate! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 377 | 0 |
| run-improve! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 325 | 0 |
| run-herbie | /home/nightlies/herbie/remove-change/src/sandbox.rkt | 57 | 0 |
| (unnamed) | /home/nightlies/herbie/remove-change/src/sandbox.rkt | 133 | 6 |
| (unnamed) | /usr/share/racket/pkgs/profile-lib/main.rkt | 40 | 10 |
| profile-thunk | /usr/share/racket/pkgs/profile-lib/main.rkt | 9 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/engine.rkt | 42 | 24 |