77 lines
1.9 KiB
HTML
77 lines
1.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3O//DTD W3 HTML 2.0//EN">
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<!Originally converted to HTML using LaTeX2HTML 95 (Thu Jan 19 1995) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds >
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<HEAD>
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<TITLE> <, > , <=, >= (PREDICATES)</TITLE>
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</HEAD>
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<BODY>
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<meta name="description" value=" <, > , <=, >= (PREDICATES)">
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<meta name="keywords" value="lp">
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<meta name="resource-type" value="document">
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<meta name="distribution" value="global">
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<P>
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<BR> <HR>
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<A HREF="node79.html"><IMG ALIGN=BOTTOM ALT="next" SRC="next_motif.gif"></A>
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<A HREF="node72.html"><IMG ALIGN=BOTTOM ALT="up" SRC="up_motif.gif"></A>
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<A HREF="node77.html"><IMG ALIGN=BOTTOM ALT="previous" SRC="previous_motif.gif"></A> <BR>
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<A HREF="lp.html"><B>Contents</B></A>
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<B> Next:</B>
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<A HREF="node79.html"> and (MACRO)</A>
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<B>Up:</B>
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<A HREF="node72.html"> Appendix: Selected Lisp </A>
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<B> Previous:</B>
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<A HREF="node77.html"> = (PREDICATE)</A>
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<BR> <HR> <P>
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<H1> <, > , <=, >= (PREDICATES)</H1>
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<P>
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<b> Format:</b>
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<tt> (< <num1> <num2> ... )</tt>
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<tt> (> <num1> <num2> ... )</tt>
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<tt> (<= <num1> <num2> ... )</tt>
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<tt> (>= <num1> <num2> ... )</tt>
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<P>
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<b> Required arguments:</b>
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1
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<P>
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<tt> <num1> <num2> ... </tt> must evaluate to numbers.
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<P>
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Returns T if the sequence of arguments is ordered (<b><</b>: ascending, <b>> </b>: descending) or partially ordered (<b><=</b>: less than or equal, <b>>=</b>: greater than or equal). Otherwise returns nil.
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<P>
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<b> Examples:</b>
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<P>
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<BLOCKQUOTE>
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<PRE>> (< 2 67)
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T
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> (< 67 2)
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NIL
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> (> 67 2)
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T
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> (< 3 6 9)
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T
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> (< 4)
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T
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> (< 2 2 6)
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NIL
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> (<= 2 2 6)
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T
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> (>= 2 2 6)
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NIL
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> (< 6/2 3.0)
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NIL
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</PRE>
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</BLOCKQUOTE>
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<P>
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<BR> <HR>
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<P>
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<ADDRESS>
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<I>© Colin Allen & Maneesh Dhagat <BR>
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March 2007 </I>
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</ADDRESS>
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</BODY>
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