When I use "int()" in perl, what I actually wanted was C's cast-to-int or JavaScript's parseInt()
I don't know of any perl function that will do that.
I'd do it as an XSub:
SV * _to_IV(SV * in) {
if(SvNV(in) < 0) return newSViv(SvIV(in));
return newSVuv(SvUV(in));
}
However, in your case, assuming that
$limit > ~0 >> 1, you could just do it as:
IV _to_IV(SV * in) {
return SvIV(in);
}
which (if I'm thinking correctly) would still reject arguments greater than
~0 >> 1 because
$count is negative.
Of course, you might prefer to just check that the arg is not a NaN, if you trust the
NaN != NaN test or POSIX::isnan or somesuch.
Cheers,
Rob
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