Exception for Hyperbolic arc-(co)tangent

Specification

\[\begin{array}{l} \\ \frac{1}{2} \cdot \log \left(\frac{1 + x}{1 - x}\right) \end{array} \]

(FPCore (x) :precision binary64 (* (/ 1.0 2.0) (log (/ (+ 1.0 x) (- 1.0 x)))))

double code(double x) {
	return (1.0 / 2.0) * log(((1.0 + x) / (1.0 - x)));
}

real(8) function code(x)
    real(8), intent (in) :: x
    code = (1.0d0 / 2.0d0) * log(((1.0d0 + x) / (1.0d0 - x)))
end function

public static double code(double x) {
	return (1.0 / 2.0) * Math.log(((1.0 + x) / (1.0 - x)));
}

def code(x):
	return (1.0 / 2.0) * math.log(((1.0 + x) / (1.0 - x)))

function code(x)
	return Float64(Float64(1.0 / 2.0) * log(Float64(Float64(1.0 + x) / Float64(1.0 - x))))
end

function tmp = code(x)
	tmp = (1.0 / 2.0) * log(((1.0 + x) / (1.0 - x)));
end

code[x_] := N[(N[(1.0 / 2.0), $MachinePrecision] * N[Log[N[(N[(1.0 + x), $MachinePrecision] / N[(1.0 - x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]

\begin{array}{l}

\\
\frac{1}{2} \cdot \log \left(\frac{1 + x}{1 - x}\right)
\end{array}

Reproduce

herbie shell --seed 2024283 
(FPCore (x)
  :name "Hyperbolic arc-(co)tangent"
  :precision binary64
  (* (/ 1.0 2.0) (log (/ (+ 1.0 x) (- 1.0 x)))))

Please file a bug report with this information.

Backtrace

eprintf: format string requires 0 arguments, given 1; arguments were: '(#s(si 0 4))		L	C
err-lsts->split-indices	/home/nightlies/herbie/zane-regimes-old/src/core/regimes.rkt	219	0
option-on-expr	/home/nightlies/herbie/zane-regimes-old/src/core/regimes.rkt	120	0
infer-splitpoints	/home/nightlies/herbie/zane-regimes-old/src/core/regimes.rkt	56	0
loop	/home/nightlies/herbie/zane-regimes-old/src/core/regimes.rkt	41	2
make-regime!	/home/nightlies/herbie/zane-regimes-old/src/core/mainloop.rkt	350	0
extract!	/home/nightlies/herbie/zane-regimes-old/src/core/mainloop.rkt	79	0
run-improve!	/home/nightlies/herbie/zane-regimes-old/src/core/mainloop.rkt	45	0
get-alternatives/report	/home/nightlies/herbie/zane-regimes-old/src/api/sandbox.rkt	186	0
(unnamed)	/home/nightlies/herbie/zane-regimes-old/src/api/sandbox.rkt	282	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