Bouland and Aaronson, Equation (25)

Specification

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\[\begin{array}{l} \\ \left({\left(a \cdot a + b \cdot b\right)}^{2} + 4 \cdot \left(\left(a \cdot a\right) \cdot \left(1 + a\right) + \left(b \cdot b\right) \cdot \left(1 - 3 \cdot a\right)\right)\right) - 1 \end{array} \]
(FPCore (a b)
 :precision binary64
 (-
  (+
   (pow (+ (* a a) (* b b)) 2.0)
   (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
  1.0))
double code(double a, double b) {
	return (pow(((a * a) + (b * b)), 2.0) + (4.0 * (((a * a) * (1.0 + a)) + ((b * b) * (1.0 - (3.0 * a)))))) - 1.0;
}

real(8) function code(a, b)
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    code = ((((a * a) + (b * b)) ** 2.0d0) + (4.0d0 * (((a * a) * (1.0d0 + a)) + ((b * b) * (1.0d0 - (3.0d0 * a)))))) - 1.0d0
end function

public static double code(double a, double b) {
	return (Math.pow(((a * a) + (b * b)), 2.0) + (4.0 * (((a * a) * (1.0 + a)) + ((b * b) * (1.0 - (3.0 * a)))))) - 1.0;
}

def code(a, b):
	return (math.pow(((a * a) + (b * b)), 2.0) + (4.0 * (((a * a) * (1.0 + a)) + ((b * b) * (1.0 - (3.0 * a)))))) - 1.0

function code(a, b)
	return Float64(Float64((Float64(Float64(a * a) + Float64(b * b)) ^ 2.0) + Float64(4.0 * Float64(Float64(Float64(a * a) * Float64(1.0 + a)) + Float64(Float64(b * b) * Float64(1.0 - Float64(3.0 * a)))))) - 1.0)
end

function tmp = code(a, b)
	tmp = ((((a * a) + (b * b)) ^ 2.0) + (4.0 * (((a * a) * (1.0 + a)) + ((b * b) * (1.0 - (3.0 * a)))))) - 1.0;
end

code[a_, b_] := N[(N[(N[Power[N[(N[(a * a), $MachinePrecision] + N[(b * b), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[(4.0 * N[(N[(N[(a * a), $MachinePrecision] * N[(1.0 + a), $MachinePrecision]), $MachinePrecision] + N[(N[(b * b), $MachinePrecision] * N[(1.0 - N[(3.0 * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]

\begin{array}{l}

\\
\left({\left(a \cdot a + b \cdot b\right)}^{2} + 4 \cdot \left(\left(a \cdot a\right) \cdot \left(1 + a\right) + \left(b \cdot b\right) \cdot \left(1 - 3 \cdot a\right)\right)\right) - 1
\end{array}

Reproduce

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herbie shell --seed 2024146 
(FPCore (a b)
  :name "Bouland and Aaronson, Equation (25)"
  :precision binary64
  (- (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))) 1.0))

Please file a bug report with this information.

Backtrace

application: not a procedure; expected a procedure that can be applied to arguments given: #fLC
backward-pass/home/nightlies/herbie/jackson-mergable-platform-changes/src/correct-round.rkt1460
compiled-spec/home/nightlies/herbie/jackson-mergable-platform-changes/src/correct-round.rkt272
compiled-spec/home/nightlies/herbie/jackson-mergable-platform-changes/src/correct-round.rkt1432
compiled-spec/home/nightlies/herbie/jackson-mergable-platform-changes/src/correct-round.rkt272
compiled-spec/home/nightlies/herbie/jackson-mergable-platform-changes/src/ground-truth.rkt312
ival-eval/home/nightlies/herbie/jackson-mergable-platform-changes/src/ground-truth.rkt550
<eval-prog-real>/home/nightlies/herbie/jackson-mergable-platform-changes/src/ground-truth.rkt862
compute-local-errors/home/nightlies/herbie/jackson-mergable-platform-changes/src/core/localize.rkt750
batch-localize-errors/home/nightlies/herbie/jackson-mergable-platform-changes/src/core/localize.rkt610
localize!/home/nightlies/herbie/jackson-mergable-platform-changes/src/mainloop.rkt2010
run-iter!/home/nightlies/herbie/jackson-mergable-platform-changes/src/mainloop.rkt730
mutate!/home/nightlies/herbie/jackson-mergable-platform-changes/src/mainloop.rkt650
run-improve!/home/nightlies/herbie/jackson-mergable-platform-changes/src/mainloop.rkt510
get-alternatives/report/home/nightlies/herbie/jackson-mergable-platform-changes/src/sandbox.rkt1690
(unnamed)/home/nightlies/herbie/jackson-mergable-platform-changes/src/sandbox.rkt2636
(unnamed)/usr/local/racket/share/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/local/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/usr/local/racket/collects/racket/engine.rkt4224