Exception for Numeric.LinearAlgebra.Util:formatSparse from hmatrix-0.16.1.5

Specification

\[\begin{array}{l} \\ \frac{\left|x - y\right|}{\left|y\right|} \end{array} \]

(FPCore (x y) :precision binary64 (/ (fabs (- x y)) (fabs y)))

double code(double x, double y) {
	return fabs((x - y)) / fabs(y);
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = abs((x - y)) / abs(y)
end function

public static double code(double x, double y) {
	return Math.abs((x - y)) / Math.abs(y);
}

def code(x, y):
	return math.fabs((x - y)) / math.fabs(y)

function code(x, y)
	return Float64(abs(Float64(x - y)) / abs(y))
end

function tmp = code(x, y)
	tmp = abs((x - y)) / abs(y);
end

code[x_, y_] := N[(N[Abs[N[(x - y), $MachinePrecision]], $MachinePrecision] / N[Abs[y], $MachinePrecision]), $MachinePrecision]

\begin{array}{l}

\\
\frac{\left|x - y\right|}{\left|y\right|}
\end{array}

Reproduce

herbie shell --seed 2024263 
(FPCore (x y)
  :name "Numeric.LinearAlgebra.Util:formatSparse from hmatrix-0.16.1.5"
  :precision binary64
  (/ (fabs (- x y)) (fabs y)))

Please file a bug report with this information.

Backtrace

error: contract violation expected: string? given: 'fabs.f64		L	C
f406	.../match/compiler.rkt	559	40
loop	.../private/map.rkt	40	19
loop	.../private/map.rkt	40	19
compile-expr	/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt	70	0
explain	/home/nightlies/herbie/bhargav-log-space/src/core/explain.rkt	615	0
explain!	/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt	322	0
run-improve!	/home/nightlies/herbie/bhargav-log-space/src/core/mainloop.rkt	44	0
get-alternatives/report	/home/nightlies/herbie/bhargav-log-space/src/api/sandbox.rkt	186	0
(unnamed)	/home/nightlies/herbie/bhargav-log-space/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