?

\[\left(\left(d1 \cdot d1\right) \cdot d1\right) \cdot d1 \]

(FPCore (d1) :precision binary64 (* (* (* d1 d1) d1) d1))

double code(double d1) {
	return ((d1 * d1) * d1) * d1;
}

real(8) function code(d1)
    real(8), intent (in) :: d1
    code = ((d1 * d1) * d1) * d1
end function

public static double code(double d1) {
	return ((d1 * d1) * d1) * d1;
}

def code(d1):
	return ((d1 * d1) * d1) * d1

function code(d1)
	return Float64(Float64(Float64(d1 * d1) * d1) * d1)
end

function tmp = code(d1)
	tmp = ((d1 * d1) * d1) * d1;
end

code[d1_] := N[(N[(N[(d1 * d1), $MachinePrecision] * d1), $MachinePrecision] * d1), $MachinePrecision]

\left(\left(d1 \cdot d1\right) \cdot d1\right) \cdot d1

Reproduce?

Please include this information when filing a bug report:

herbie shell --seed 2023241 
(FPCore (d1)
  :name "FastMath repmul"
  :precision binary64

  :herbie-target
  (pow d1 4.0)

  (* (* (* d1 d1) d1) d1))

Backtrace

inexact?: contract violation expected: number? given: (ival (bf "-2.098578716467387692404358116883839070632e323228496") (bf "2.098578716467387692404358116883839070632e323228496"))		L	C
real->bigfloat	/usr/share/racket/pkgs/math-lib/math/private/bigfloat/mpfr.rkt	470	0
...row-higher-order.rkt:375:33	/usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt	375	33
arg->precision	/home/nightlies/herbie/arb-support/src/programs.rkt	138	11
f	/home/nightlies/herbie/arb-support/src/programs.rkt	190	2
(unnamed)	/home/nightlies/herbie/arb-support/src/ground-truth.rkt	23	2
search-step	/home/nightlies/herbie/arb-support/src/searchreals.rkt	37	0
find-intervals	/home/nightlies/herbie/arb-support/src/searchreals.rkt	87	0
make-sampler	/home/nightlies/herbie/arb-support/src/sampling.rkt	94	0
sample-points	/home/nightlies/herbie/arb-support/src/ground-truth.rkt	64	0
setup-context!	/home/nightlies/herbie/arb-support/src/mainloop.rkt	293	0
get-alternatives/report	/home/nightlies/herbie/arb-support/src/sandbox.rkt	148	0
(unnamed)	/home/nightlies/herbie/arb-support/src/sandbox.rkt	247	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