a parameter of renormalized beta distribution

?

\[\left(0 < m \land 0 < v\right) \land v < 0.25\]
\[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) m))
double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (((m * (1.0d0 - m)) / v) - 1.0d0) * m
end function
public static double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
def code(m, v):
	return (((m * (1.0 - m)) / v) - 1.0) * m
function code(m, v)
	return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * m)
end
function tmp = code(m, v)
	tmp = (((m * (1.0 - m)) / v) - 1.0) * m;
end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * m), $MachinePrecision]
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m

Reproduce?

Please include this information when filing a bug report:

herbie shell --seed 2023243 
(FPCore (m v)
  :name "a parameter of renormalized beta distribution"
  :precision binary64
  :pre (and (and (< 0.0 m) (< 0.0 v)) (< v 0.25))
  (* (- (/ (* m (- 1.0 m)) v) 1.0) m))

Backtrace

arb-<: arity mismatch; the expected number of arguments does not match the given number expected: 0 given: 2LC
f/home/nightlies/herbie/arb-support/src/programs.rkt1872
(unnamed)/home/nightlies/herbie/arb-support/src/ground-truth.rkt232
search-step/home/nightlies/herbie/arb-support/src/searchreals.rkt370
find-intervals/home/nightlies/herbie/arb-support/src/searchreals.rkt870
make-sampler/home/nightlies/herbie/arb-support/src/sampling.rkt940
sample-points/home/nightlies/herbie/arb-support/src/ground-truth.rkt640
setup-context!/home/nightlies/herbie/arb-support/src/mainloop.rkt2930
get-alternatives/report/home/nightlies/herbie/arb-support/src/sandbox.rkt1480
(unnamed)/home/nightlies/herbie/arb-support/src/sandbox.rkt2476
(unnamed)/usr/share/racket/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/engine.rkt4224