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mxFibonacciHeap (mxGraph 2.3.0.2 API Specification)
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com.mxgraph.analysis</FONT>
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Class mxFibonacciHeap</H2>
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<PRE>
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<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
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<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.mxgraph.analysis.mxFibonacciHeap</B>
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</PRE>
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<DL>
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<DT><PRE>public class <B>mxFibonacciHeap</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
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</PRE>
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<P>
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This class implements a priority queue.
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<P>
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<P>
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<HR>
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<P>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<A NAME="nested_class_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Nested Class Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static class</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A></B></CODE>
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<BR>
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Implements a node of the Fibonacci heap.</TD>
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</TR>
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</TABLE>
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<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="field_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#min">min</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>,<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A>></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#nodes">nodes</A></B></CODE>
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<BR>
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Maps from elements to nodes</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#size">size</A></B></CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#mxFibonacciHeap()">mxFibonacciHeap</A></B>()</CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#cascadingCut(com.mxgraph.analysis.mxFibonacciHeap.Node)">cascadingCut</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y)</CODE>
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<BR>
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Performs a cascading cut operation.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#consolidate()">consolidate</A></B>()</CODE>
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<BR>
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Consolidates the trees in the heap by joining trees of equal degree until
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there are no more trees of equal degree in the root list.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#cut(com.mxgraph.analysis.mxFibonacciHeap.Node, com.mxgraph.analysis.mxFibonacciHeap.Node)">cut</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x,
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<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y)</CODE>
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<BR>
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The reverse of the link operation: removes x from the child list of y.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#decreaseKey(com.mxgraph.analysis.mxFibonacciHeap.Node, double)">decreaseKey</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x,
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double k)</CODE>
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<BR>
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Decreases the key value for a heap node, given the new value to take on.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#delete(com.mxgraph.analysis.mxFibonacciHeap.Node)">delete</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x)</CODE>
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<BR>
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Deletes a node from the heap given the reference to the node.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#getNode(java.lang.Object, boolean)">getNode</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> element,
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boolean create)</CODE>
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<BR>
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Returns the node that represents element.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#insert(com.mxgraph.analysis.mxFibonacciHeap.Node, double)">insert</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> node,
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double key)</CODE>
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<BR>
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Inserts a new data element into the heap.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> boolean</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#isEmpty()">isEmpty</A></B>()</CODE>
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<BR>
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Returns true if the queue is empty.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#link(com.mxgraph.analysis.mxFibonacciHeap.Node, com.mxgraph.analysis.mxFibonacciHeap.Node)">link</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y,
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<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x)</CODE>
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<BR>
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Make node y a child of node x.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#min()">min</A></B>()</CODE>
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<BR>
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Returns the smallest element in the heap.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#removeMin()">removeMin</A></B>()</CODE>
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<BR>
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Removes the smallest element from the heap.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#size()">size</A></B>()</CODE>
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<BR>
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Returns the size of the heap which is measured in the number of elements
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contained in the heap.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html#union(com.mxgraph.analysis.mxFibonacciHeap, com.mxgraph.analysis.mxFibonacciHeap)">union</A></B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A> h1,
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<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A> h2)</CODE>
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<BR>
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Joins two Fibonacci heaps into a new one.</TD>
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</TR>
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</TABLE>
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<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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</TR>
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</TABLE>
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<P>
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<!-- ============ FIELD DETAIL =========== -->
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<A NAME="field_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
|
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<B>Field Detail</B></FONT></TH>
|
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</TR>
|
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</TABLE>
|
|
|
|
<A NAME="nodes"><!-- --></A><H3>
|
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nodes</H3>
|
|
<PRE>
|
|
protected <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>,<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A>> <B>nodes</B></PRE>
|
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<DL>
|
|
<DD>Maps from elements to nodes
|
|
<P>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="min"><!-- --></A><H3>
|
|
min</H3>
|
|
<PRE>
|
|
protected <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> <B>min</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
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</DL>
|
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<HR>
|
|
|
|
<A NAME="size"><!-- --></A><H3>
|
|
size</H3>
|
|
<PRE>
|
|
protected int <B>size</B></PRE>
|
|
<DL>
|
|
<DL>
|
|
</DL>
|
|
</DL>
|
|
|
|
<!-- ========= CONSTRUCTOR DETAIL ======== -->
|
|
|
|
<A NAME="constructor_detail"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
|
|
<B>Constructor Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<A NAME="mxFibonacciHeap()"><!-- --></A><H3>
|
|
mxFibonacciHeap</H3>
|
|
<PRE>
|
|
public <B>mxFibonacciHeap</B>()</PRE>
|
|
<DL>
|
|
</DL>
|
|
|
|
<!-- ============ METHOD DETAIL ========== -->
|
|
|
|
<A NAME="method_detail"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
|
|
<B>Method Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
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|
|
<A NAME="getNode(java.lang.Object, boolean)"><!-- --></A><H3>
|
|
getNode</H3>
|
|
<PRE>
|
|
public <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> <B>getNode</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> element,
|
|
boolean create)</PRE>
|
|
<DL>
|
|
<DD>Returns the node that represents element.
|
|
<P>
|
|
<DD><DL>
|
|
</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="isEmpty()"><!-- --></A><H3>
|
|
isEmpty</H3>
|
|
<PRE>
|
|
public boolean <B>isEmpty</B>()</PRE>
|
|
<DL>
|
|
<DD>Returns true if the queue is empty.
|
|
<P>
|
|
<DD><DL>
|
|
</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="decreaseKey(com.mxgraph.analysis.mxFibonacciHeap.Node, double)"><!-- --></A><H3>
|
|
decreaseKey</H3>
|
|
<PRE>
|
|
public void <B>decreaseKey</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x,
|
|
double k)</PRE>
|
|
<DL>
|
|
<DD>Decreases the key value for a heap node, given the new value to take on.
|
|
The structure of the heap may be changed and will not be consolidated.
|
|
|
|
<p>
|
|
Running time: O(1) amortized
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>x</CODE> - Node whose value should be decreased.<DD><CODE>k</CODE> - New key value for node x.
|
|
<DT><B>Throws:</B>
|
|
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - Thrown if k is larger than x.key value.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="delete(com.mxgraph.analysis.mxFibonacciHeap.Node)"><!-- --></A><H3>
|
|
delete</H3>
|
|
<PRE>
|
|
public void <B>delete</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x)</PRE>
|
|
<DL>
|
|
<DD>Deletes a node from the heap given the reference to the node. The trees
|
|
in the heap will be consolidated, if necessary. This operation may fail
|
|
to remove the correct element if there are nodes with key value
|
|
-Infinity.
|
|
|
|
<p>
|
|
Running time: O(log n) amortized
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The node to remove from the heap.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="insert(com.mxgraph.analysis.mxFibonacciHeap.Node, double)"><!-- --></A><H3>
|
|
insert</H3>
|
|
<PRE>
|
|
public void <B>insert</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> node,
|
|
double key)</PRE>
|
|
<DL>
|
|
<DD>Inserts a new data element into the heap. No heap consolidation is
|
|
performed at this time, the new node is simply inserted into the root
|
|
list of this heap.
|
|
|
|
<p>
|
|
Running time: O(1) actual
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>node</CODE> - new node to insert into heap<DD><CODE>key</CODE> - key value associated with data object</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="min()"><!-- --></A><H3>
|
|
min</H3>
|
|
<PRE>
|
|
public <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> <B>min</B>()</PRE>
|
|
<DL>
|
|
<DD>Returns the smallest element in the heap. This smallest element is the
|
|
one with the minimum key value.
|
|
|
|
<p>
|
|
Running time: O(1) actual
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>Returns the heap node with the smallest key.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="removeMin()"><!-- --></A><H3>
|
|
removeMin</H3>
|
|
<PRE>
|
|
public <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> <B>removeMin</B>()</PRE>
|
|
<DL>
|
|
<DD>Removes the smallest element from the heap. This will cause the trees in
|
|
the heap to be consolidated, if necessary.
|
|
Does not remove the data node so that the current key remains stored.
|
|
|
|
<p>
|
|
Running time: O(log n) amortized
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>Returns the node with the smallest key.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="size()"><!-- --></A><H3>
|
|
size</H3>
|
|
<PRE>
|
|
public int <B>size</B>()</PRE>
|
|
<DL>
|
|
<DD>Returns the size of the heap which is measured in the number of elements
|
|
contained in the heap.
|
|
|
|
<p>
|
|
Running time: O(1) actual
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>Returns the number of elements in the heap.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="union(com.mxgraph.analysis.mxFibonacciHeap, com.mxgraph.analysis.mxFibonacciHeap)"><!-- --></A><H3>
|
|
union</H3>
|
|
<PRE>
|
|
public static <A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A> <B>union</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A> h1,
|
|
<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.html" title="class in com.mxgraph.analysis">mxFibonacciHeap</A> h2)</PRE>
|
|
<DL>
|
|
<DD>Joins two Fibonacci heaps into a new one. No heap consolidation is
|
|
performed at this time. The two root lists are simply joined together.
|
|
|
|
<p>
|
|
Running time: O(1) actual
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>h1</CODE> - The first heap.<DD><CODE>h2</CODE> - The second heap.
|
|
<DT><B>Returns:</B><DD>Returns a new heap containing h1 and h2.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="cascadingCut(com.mxgraph.analysis.mxFibonacciHeap.Node)"><!-- --></A><H3>
|
|
cascadingCut</H3>
|
|
<PRE>
|
|
protected void <B>cascadingCut</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y)</PRE>
|
|
<DL>
|
|
<DD>Performs a cascading cut operation. This cuts y from its parent and then
|
|
does the same for its parent, and so on up the tree.
|
|
|
|
<p>
|
|
Running time: O(log n); O(1) excluding the recursion
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>y</CODE> - The node to perform cascading cut on.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="consolidate()"><!-- --></A><H3>
|
|
consolidate</H3>
|
|
<PRE>
|
|
protected void <B>consolidate</B>()</PRE>
|
|
<DL>
|
|
<DD>Consolidates the trees in the heap by joining trees of equal degree until
|
|
there are no more trees of equal degree in the root list.
|
|
|
|
<p>
|
|
Running time: O(log n) amortized
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="cut(com.mxgraph.analysis.mxFibonacciHeap.Node, com.mxgraph.analysis.mxFibonacciHeap.Node)"><!-- --></A><H3>
|
|
cut</H3>
|
|
<PRE>
|
|
protected void <B>cut</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x,
|
|
<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y)</PRE>
|
|
<DL>
|
|
<DD>The reverse of the link operation: removes x from the child list of y.
|
|
This method assumes that min is non-null.
|
|
|
|
<p>
|
|
Running time: O(1)
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The child of y to be removed from y's child list.<DD><CODE>y</CODE> - The parent of x about to lose a child.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="link(com.mxgraph.analysis.mxFibonacciHeap.Node, com.mxgraph.analysis.mxFibonacciHeap.Node)"><!-- --></A><H3>
|
|
link</H3>
|
|
<PRE>
|
|
protected void <B>link</B>(<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> y,
|
|
<A HREF="../../../com/mxgraph/analysis/mxFibonacciHeap.Node.html" title="class in com.mxgraph.analysis">mxFibonacciHeap.Node</A> x)</PRE>
|
|
<DL>
|
|
<DD>Make node y a child of node x.
|
|
|
|
<p>
|
|
Running time: O(1) actual
|
|
</p>
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>y</CODE> - The node to become child.<DD><CODE>x</CODE> - The node to become parent.</DL>
|
|
</DD>
|
|
</DL>
|
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