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diff man/lispref/numbers.texi @ 2033:a7b2d995287f

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[xemacs-hg @ 2004-04-19 11:25:58 by stephent] document featurep features <873c70us4l.fsf@tleepslib.sk.tsukuba.ac.jp>
author stephent
date Mon, 19 Apr 2004 11:26:04 +0000
parents cc89c76c4b17
children e52c5a5c6a7d
line wrap: on
line diff
--- a/man/lispref/numbers.texi	Mon Apr 19 11:12:05 2004 +0000
+++ b/man/lispref/numbers.texi	Mon Apr 19 11:26:04 2004 +0000
@@ -321,6 +321,10 @@
 numerical analyst.  Arbitrary precision floats are not available with
 MP.
 
+  If your code needs to run correctly whether or not the feature is
+provided, you may test for the features @code{bignum}, @code{ratio}, and
+@code{bigfloat}.
+
   The XEmacs bignum facility implements the Common Lisp notion of
 @dfn{contagion}, so that integers are always represented using the
 ``smallest'' representation that is exact, and integral ratios are