From: Kevin Ryde <user42@zip.com.au>
Subject: equal? frac versus real
Date: Wed, 11 Aug 2004 11:22:50 +1000 [thread overview]
Message-ID: <87fz6uo4d1.fsf@zip.com.au> (raw)
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* eq.c (scm_equal_p): Remove real==fraction and fraction==real, they
must be #f according to R5RS. (equal? follows eqv?, and for eqv? an
exact and inexact is #f.)
[-- Attachment #2: eq.c.frac-real.diff --]
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--- eq.c.~1.50.~ 2004-07-28 08:49:08.000000000 +1000
+++ eq.c 2004-08-10 18:25:53.000000000 +1000
@@ -173,24 +173,6 @@
&& SCM_COMPLEX_IMAG (x) == 0.0);
}
- /* should we handle fractions here also? */
- else if ((SCM_FRACTIONP (x)) && (SCM_INEXACTP (y)))
- {
- if (SCM_REALP (y))
- return scm_from_bool (scm_i_fraction2double (x) == SCM_REAL_VALUE (y));
- else
- return scm_from_bool (SCM_COMPLEX_REAL (y) == scm_i_fraction2double (x)
- && SCM_COMPLEX_IMAG (y) == 0.0);
- }
- else if ((SCM_FRACTIONP (y)) && (SCM_INEXACTP (x)))
- {
- if (SCM_REALP (x))
- return scm_from_bool (scm_i_fraction2double (y) == SCM_REAL_VALUE (x));
- else
- return scm_from_bool (SCM_COMPLEX_REAL (x) == scm_i_fraction2double (y)
- && SCM_COMPLEX_IMAG (x) == 0.0);
- }
-
return SCM_BOOL_F;
}
switch (SCM_TYP7 (x))
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