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<HTML><HEAD><TITLE>5.6 Watching Domains</TITLE><LINK href="ozdoc.css" rel="stylesheet" type="text/css"></HEAD><BODY><TABLE align="center" border="0" cellpadding="6" cellspacing="6" class="nav"><TR bgcolor="#DDDDDD"><TD><A href="node19.html#section.fd.reflection">&lt;&lt; Prev</A></TD><TD><A href="node14.html">- Up -</A></TD><TD><A href="node21.html#section.fd.arithmetic">Next &gt;&gt;</A></TD></TR></TABLE><DIV id="section.fd.watching"><H2><A name="section.fd.watching">5.6 Watching Domains</A></H2><P></P><DL><DT><A name="label162"></A> <CODE>watch<SPAN class="keyword">.</SPAN>min</CODE></DT><DD><BLOCKQUOTE class="synopsis"><P></P><BLOCKQUOTE class="code"><CODE>{FD<SPAN class="keyword">.</SPAN>watch<SPAN class="keyword">.</SPAN>min&nbsp;</CODE><CODE>*<I>D1</I></CODE><CODE>&nbsp;</CODE><CODE>+<I>D2</I></CODE><CODE>&nbsp;</CODE><CODE>?<I>B</I></CODE><CODE>}</CODE></BLOCKQUOTE><P></P></BLOCKQUOTE></DD><DD><P>Returns <CODE><SPAN class="keyword">true</SPAN></CODE> when <IMG alt="{\tt D1} \in \{{\tt D2}+1,\ldots,\codeinline{oz}{FD.sup}\}" src="latex25.png"> and <CODE><SPAN class="keyword">false</SPAN></CODE> when <IMG alt="{\tt D1}\in \{0,\ldots,{\tt D2}\}" src="latex26.png"> is entailed by the constraint store. </P></DD><DT><A name="label164"></A> <CODE>watch<SPAN class="keyword">.</SPAN>max</CODE></DT><DD><BLOCKQUOTE class="synopsis"><P></P><BLOCKQUOTE class="code"><CODE>{FD<SPAN class="keyword">.</SPAN>watch<SPAN class="keyword">.</SPAN>max&nbsp;</CODE><CODE>*<I>D1</I></CODE><CODE>&nbsp;</CODE><CODE>+<I>D2</I></CODE><CODE>&nbsp;</CODE><CODE>?<I>B</I></CODE><CODE>}</CODE></BLOCKQUOTE><P></P></BLOCKQUOTE></DD><DD><P>Returns <CODE><SPAN class="keyword">true</SPAN></CODE> when <IMG alt="{\tt D1} \in \{0,\ldots, {\tt D2}-1\}" src="latex27.png"> and <CODE><SPAN class="keyword">false</SPAN></CODE> when <IMG alt="{\tt D1} \in \{D2,\ldots,\codeinline{oz}{FD.sup}\}" src="latex28.png"> is entailed by the constraint store. </P></DD><DT><A name="label166"></A> <CODE>watch<SPAN class="keyword">.</SPAN>size</CODE></DT><DD><BLOCKQUOTE class="synopsis"><P></P><BLOCKQUOTE class="code"><CODE>{FD<SPAN class="keyword">.</SPAN>watch<SPAN class="keyword">.</SPAN>size&nbsp;</CODE><CODE>*<I>D1</I></CODE><CODE>&nbsp;</CODE><CODE>+<I>D2</I></CODE><CODE>&nbsp;</CODE><CODE>?<I>B</I></CODE><CODE>}</CODE></BLOCKQUOTE><P></P></BLOCKQUOTE></DD><DD><P>Returns <CODE><SPAN class="keyword">true</SPAN></CODE> when the size of the domain of <CODE><I>D1</I></CODE> becomes smaller than <CODE><I>D2</I></CODE>.</P></DD></DL><P></P></DIV><TABLE align="center" border="0" cellpadding="6" cellspacing="6" class="nav"><TR bgcolor="#DDDDDD"><TD><A href="node19.html#section.fd.reflection">&lt;&lt; Prev</A></TD><TD><A href="node14.html">- Up -</A></TD><TD><A href="node21.html#section.fd.arithmetic">Next &gt;&gt;</A></TD></TR></TABLE><HR><ADDRESS><A href="http://www.ps.uni-sb.de/~duchier/">Denys&nbsp;Duchier</A>, <A href="http://www.ps.uni-sb.de/~kornstae/">Leif&nbsp;Kornstaedt</A>, <A href="http://www.ps.uni-sb.de/~homik/">Martin&nbsp;Homik</A>, <A href="http://www.ps.uni-sb.de/~tmueller/">Tobias&nbsp;Müller</A>, <A href="http://www.ps.uni-sb.de/~schulte/">Christian&nbsp;Schulte</A> and&nbsp;<A href="http://www.info.ucl.ac.be/~pvr">Peter&nbsp;Van Roy</A><BR><SPAN class="version">Version 1.4.0 (20110908185330)</SPAN></ADDRESS></BODY></HTML>