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Re: scm_num_eq


From: Marius Vollmer
Subject: Re: scm_num_eq
Date: Fri, 23 Jan 2004 02:21:36 +0100
User-agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux)

Roland Orre <address@hidden> 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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