logq (problem 3.4.3)

Specification

?
\[\left|\varepsilon\right| < 1\]
\[\begin{array}{l} \\ \log \left(\frac{1 - \varepsilon}{1 + \varepsilon}\right) \end{array} \]
(FPCore (eps) :precision binary64 (log (/ (- 1.0 eps) (+ 1.0 eps))))
double code(double eps) {
	return log(((1.0 - eps) / (1.0 + eps)));
}

real(8) function code(eps)
    real(8), intent (in) :: eps
    code = log(((1.0d0 - eps) / (1.0d0 + eps)))
end function

public static double code(double eps) {
	return Math.log(((1.0 - eps) / (1.0 + eps)));
}

def code(eps):
	return math.log(((1.0 - eps) / (1.0 + eps)))

function code(eps)
	return log(Float64(Float64(1.0 - eps) / Float64(1.0 + eps)))
end

function tmp = code(eps)
	tmp = log(((1.0 - eps) / (1.0 + eps)));
end

code[eps_] := N[Log[N[(N[(1.0 - eps), $MachinePrecision] / N[(1.0 + eps), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]

\begin{array}{l}

\\
\log \left(\frac{1 - \varepsilon}{1 + \varepsilon}\right)
\end{array}

Reproduce

?
herbie shell --seed 2024230 
(FPCore (eps)
  :name "logq (problem 3.4.3)"
  :precision binary64
  :pre (< (fabs eps) 1.0)

  :alt
  (! :herbie-platform default (- (log1p (- eps)) (log1p eps)))

  (log (/ (- 1.0 eps) (+ 1.0 eps))))

Please file a bug report with this information.

Backtrace

match: no matching clause for 'xLC
make-compiler/home/nightlies/herbie/bhargav-log-space/src/core/compiler.rkt560
predict-errors/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt790
explain/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt6030
explain!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt3210
run-improve!/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt430
get-alternatives/report/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt1840
(unnamed)/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt2806
(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