From: Roland Orre <roland.orre@neurologic.se>
Cc: bug-guile@gnu.org
Subject: Re: scm_num_eq
Date: Fri, 23 Jan 2004 09:35:39 +0100 [thread overview]
Message-ID: <1074846939.23547.747.camel@localhost> (raw)
In-Reply-To: <8765f34fz3.fsf@zagadka.ping.de>
Whoops, I must have been tired when I wrote that line (OK, it was late)
I didn't notice that scm_num_eq returned SCM, and yes,you were right, it
did always return true, not false as I had claimed. Thanks!
Best regards
Roland
On Fri, 2004-01-23 at 02:21, Marius Vollmer wrote:
> Roland Orre <roland.orre@neurologic.se> writes:
>
> > Hi,
> > This code gives the expected result:
> > if (SCM_EQ_P(SCM_CDR(handle),SCM_MAKINUM(0)))
> >
> > but this code doesn't:
> > if (scm_num_eq_p(SCM_CDR(handle),SCM_MAKINUM(0)))
> >
> > as this latter code always gives false back.
>
> Hmm, it should always be true: scm_num_eq returns either SCM_BOOL_F or
> SCM_BOOL_T which are both true in the eyes of C. Try this:
>
> if (!SCM_NFALSEP (scm_num_eq_p(SCM_CDR(handle),SCM_MAKINUM(0))))
>
> (Why don't we have SCM_TRUEP?)
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prev parent reply other threads:[~2004-01-23 8:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-23 0:55 scm_num_eq Roland Orre
2004-01-23 1:21 ` scm_num_eq Marius Vollmer
2004-01-23 8:35 ` Roland Orre [this message]
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