<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--NewPage--> <HTML> <HEAD> <!-- Generated by javadoc (build 1.6.0-google-internal) on Mon Jan 04 20:48:00 PST 2010 --> <TITLE> Floats (Guava Libraries 2010.01.04) </TITLE> <META NAME="date" CONTENT="2010-01-04"> <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="Floats (Guava Libraries 2010.01.04)"; } } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();"> <HR> <!-- ========= START OF TOP NAVBAR ======= --> <A NAME="navbar_top"><!-- --></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_top_firstrow"><!-- --></A> 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HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A> <!-- ========= END OF TOP NAVBAR ========= --> <HR> <!-- ======== START OF CLASS DATA ======== --> <H2> <FONT SIZE="-1"> com.google.common.primitives</FONT> <BR> Class Floats</H2> <PRE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.common.primitives.Floats</B> </PRE> <HR> <DL> <DT><PRE>public final class <B>Floats</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> </PRE> <P> Static utility methods pertaining to <code>float</code> primitives, that are not already found in either <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang"><CODE>Float</CODE></A> or <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Arrays.html?is-external=true" title="class or interface in java.util"><CODE>Arrays</CODE></A>. <P> <P> <DL> <DT><B>Since:</B></DT> <DD>2009.09.15 <b>tentative</b></DD> <DT><B>Author:</B></DT> <DD>Kevin Bourrillion</DD> </DL> <HR> <P> <!-- ========== METHOD SUMMARY =========== --> <A NAME="method_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Method Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</A>></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#asList(float...)">asList</A></B>(float... backingArray)</CODE> <BR> Returns a fixed-size list backed by the specified array, similar to <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Arrays.html?is-external=true#asList(T...)" title="class or interface in java.util"><CODE>Arrays.asList(Object[])</CODE></A>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#compare(float, float)">compare</A></B>(float a, float b)</CODE> <BR> Compares the two specified <code>float</code> values using <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true#compare(float, float)" title="class or interface in java.lang"><CODE>Float.compare(float, float)</CODE></A>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static float[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#concat(float[]...)">concat</A></B>(float[]... arrays)</CODE> <BR> Returns the values from each provided array combined into a single array.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static boolean</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#contains(float[], float)">contains</A></B>(float[] array, float target)</CODE> <BR> Returns <code>true</code> if <code>target</code> is present as an element anywhere in <code>array</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static float[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#ensureCapacity(float[], int, int)">ensureCapacity</A></B>(float[] array, int minLength, int padding)</CODE> <BR> Returns an array containing the same values as <code>array</code>, but guaranteed to be of a specified minimum length.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#hashCode(float)">hashCode</A></B>(float value)</CODE> <BR> Returns a hash code for <code>value</code>; equal to the result of invoking <code>((Float) value).hashCode()</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#indexOf(float[], float)">indexOf</A></B>(float[] array, float target)</CODE> <BR> Returns the index of the first appearance of the value <code>target</code> in <code>array</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#indexOf(float[], float[])">indexOf</A></B>(float[] array, float[] target)</CODE> <BR> Returns the start position of the first occurrence of the specified <code>target</code> within <code>array</code>, or <code>-1</code> if there is no such occurrence.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#join(java.lang.String, float...)">join</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> separator, float... array)</CODE> <BR> Returns a string containing the supplied <code>float</code> values, converted to strings as specified by <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true#toString(float)" title="class or interface in java.lang"><CODE>Float.toString(float)</CODE></A>, and separated by <code>separator</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#lastIndexOf(float[], float)">lastIndexOf</A></B>(float[] array, float target)</CODE> <BR> Returns the index of the last appearance of the value <code>target</code> in <code>array</code>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><float[]></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#lexicographicalComparator()">lexicographicalComparator</A></B>()</CODE> <BR> Returns a comparator that compares two <code>float</code> arrays lexicographically.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static float</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#max(float...)">max</A></B>(float... array)</CODE> <BR> Returns the greatest value present in <code>array</code>, using the same rules of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(float, float)" title="class or interface in java.lang"><CODE>Math.min(float, float)</CODE></A>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static float</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#min(float...)">min</A></B>(float... array)</CODE> <BR> Returns the least value present in <code>array</code>, using the same rules of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(float, float)" title="class or interface in java.lang"><CODE>Math.min(float, float)</CODE></A>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static float[]</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../com/google/common/primitives/Floats.html#toArray(java.util.Collection)">toArray</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</A>> collection)</CODE> <BR> Copies a collection of <code>Float</code> instances into a new array of primitive <code>float</code> values.</TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/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://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> </TR> </TABLE> <P> <!-- ============ METHOD DETAIL ========== --> <A NAME="method_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Method Detail</B></FONT></TH> </TR> </TABLE> <A NAME="hashCode(float)"><!-- --></A><H3> hashCode</H3> <PRE> public static int <B>hashCode</B>(float value)</PRE> <DL> <DD>Returns a hash code for <code>value</code>; equal to the result of invoking <code>((Float) value).hashCode()</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>value</CODE> - a primitive <code>float</code> value <DT><B>Returns:</B><DD>a hash code for the value</DL> </DD> </DL> <HR> <A NAME="compare(float, float)"><!-- --></A><H3> compare</H3> <PRE> public static int <B>compare</B>(float a, float b)</PRE> <DL> <DD>Compares the two specified <code>float</code> values using <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true#compare(float, float)" title="class or interface in java.lang"><CODE>Float.compare(float, float)</CODE></A>. You may prefer to invoke that method directly; this method exists only for consistency with the other utilities in this package. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>a</CODE> - the first <code>float</code> to compare<DD><CODE>b</CODE> - the second <code>float</code> to compare <DT><B>Returns:</B><DD>the result of invoking <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true#compare(float, float)" title="class or interface in java.lang"><CODE>Float.compare(float, float)</CODE></A></DL> </DD> </DL> <HR> <A NAME="contains(float[], float)"><!-- --></A><H3> contains</H3> <PRE> public static boolean <B>contains</B>(float[] array, float target)</PRE> <DL> <DD>Returns <code>true</code> if <code>target</code> is present as an element anywhere in <code>array</code>. Note that this always returns <code>false</code> when <code>target</code> is <code>NaN</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>float</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>float</code> value <DT><B>Returns:</B><DD><code>true</code> if <code>array[i] == target</code> for some value of <code>i</code></DL> </DD> </DL> <HR> <A NAME="indexOf(float[], float)"><!-- --></A><H3> indexOf</H3> <PRE> public static int <B>indexOf</B>(float[] array, float target)</PRE> <DL> <DD>Returns the index of the first appearance of the value <code>target</code> in <code>array</code>. Note that this always returns <code>-1</code> when <code>target</code> is <code>NaN</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>float</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>float</code> value <DT><B>Returns:</B><DD>the least index <code>i</code> for which <code>array[i] == target</code>, or <code>-1</code> if no such index exists.</DL> </DD> </DL> <HR> <A NAME="indexOf(float[], float[])"><!-- --></A><H3> indexOf</H3> <PRE> public static int <B>indexOf</B>(float[] array, float[] target)</PRE> <DL> <DD>Returns the start position of the first occurrence of the specified <code>target</code> within <code>array</code>, or <code>-1</code> if there is no such occurrence. <p>More formally, returns the lowest index <code>i</code> such that <code>java.util.Arrays.copyOfRange(array, i, i + target.length)</code> contains exactly the same elements as <code>target</code>. <p>Note that this always returns <code>-1</code> when <code>target</code> contains <code>NaN</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - the array to search for the sequence <code>target</code><DD><CODE>target</CODE> - the array to search for as a sub-sequence of <code>array</code></DL> </DD> </DL> <HR> <A NAME="lastIndexOf(float[], float)"><!-- --></A><H3> lastIndexOf</H3> <PRE> public static int <B>lastIndexOf</B>(float[] array, float target)</PRE> <DL> <DD>Returns the index of the last appearance of the value <code>target</code> in <code>array</code>. Note that this always returns <code>-1</code> when <code>target</code> is <code>NaN</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>float</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>float</code> value <DT><B>Returns:</B><DD>the greatest index <code>i</code> for which <code>array[i] == target</code>, or <code>-1</code> if no such index exists.</DL> </DD> </DL> <HR> <A NAME="min(float...)"><!-- --></A><H3> min</H3> <PRE> public static float <B>min</B>(float... array)</PRE> <DL> <DD>Returns the least value present in <code>array</code>, using the same rules of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(float, float)" title="class or interface in java.lang"><CODE>Math.min(float, float)</CODE></A>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - a <i>nonempty</i> array of <code>float</code> values <DT><B>Returns:</B><DD>the value present in <code>array</code> that is less than or equal to every other value in the array <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if <code>array</code> is empty</DL> </DD> </DL> <HR> <A NAME="max(float...)"><!-- --></A><H3> max</H3> <PRE> public static float <B>max</B>(float... array)</PRE> <DL> <DD>Returns the greatest value present in <code>array</code>, using the same rules of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(float, float)" title="class or interface in java.lang"><CODE>Math.min(float, float)</CODE></A>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - a <i>nonempty</i> array of <code>float</code> values <DT><B>Returns:</B><DD>the value present in <code>array</code> that is greater than or equal to every other value in the array <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if <code>array</code> is empty</DL> </DD> </DL> <HR> <A NAME="concat(float[]...)"><!-- --></A><H3> concat</H3> <PRE> public static float[] <B>concat</B>(float[]... arrays)</PRE> <DL> <DD>Returns the values from each provided array combined into a single array. For example, <code>concat(new float[] {a, b}, new float[] {}, new float[] {c}</code> returns the array <code>{a, b, c}</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>arrays</CODE> - zero or more <code>float</code> arrays <DT><B>Returns:</B><DD>a single array containing all the values from the source arrays, in order</DL> </DD> </DL> <HR> <A NAME="ensureCapacity(float[], int, int)"><!-- --></A><H3> ensureCapacity</H3> <PRE> public static float[] <B>ensureCapacity</B>(float[] array, int minLength, int padding)</PRE> <DL> <DD>Returns an array containing the same values as <code>array</code>, but guaranteed to be of a specified minimum length. If <code>array</code> already has a length of at least <code>minLength</code>, it is returned directly. Otherwise, a new array of size <code>minLength + padding</code> is returned, containing the values of <code>array</code>, and zeroes in the remaining places. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>array</CODE> - the source array<DD><CODE>minLength</CODE> - the minimum length the returned array must guarantee<DD><CODE>padding</CODE> - an extra amount to "grow" the array by if growth is necessary <DT><B>Returns:</B><DD>an array containing the values of <code>array</code>, with guaranteed minimum length <code>minLength</code> <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if <code>minLength</code> or <code>padding</code> is negative</DL> </DD> </DL> <HR> <A NAME="join(java.lang.String, float...)"><!-- --></A><H3> join</H3> <PRE> public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>join</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> separator, float... array)</PRE> <DL> <DD>Returns a string containing the supplied <code>float</code> values, converted to strings as specified by <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true#toString(float)" title="class or interface in java.lang"><CODE>Float.toString(float)</CODE></A>, and separated by <code>separator</code>. For example, <code>join("-", 1.0f, 2.0f, 3.0f)</code> returns the string <code>"1.0-2.0-3.0"</code>. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>separator</CODE> - the text that should appear between consecutive values in the resulting string (but not at the start or end)<DD><CODE>array</CODE> - an array of <code>float</code> values, possibly empty</DL> </DD> </DL> <HR> <A NAME="lexicographicalComparator()"><!-- --></A><H3> lexicographicalComparator</H3> <PRE> public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A><float[]> <B>lexicographicalComparator</B>()</PRE> <DL> <DD>Returns a comparator that compares two <code>float</code> arrays lexicographically. That is, it compares, using <A HREF="../../../../com/google/common/primitives/Floats.html#compare(float, float)"><CODE>compare(float, float)</CODE></A>), the first pair of values that follow any common prefix, or when one array is a prefix of the other, treats the shorter array as the lesser. For example, <code>[] < [1.0f] < [1.0f, 2.0f] < [2.0f]</code>. <p>The returned comparator is inconsistent with <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang"><CODE>Object.equals(Object)</CODE></A> (since arrays support only identity equality), but it is consistent with <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Arrays.html?is-external=true#equals(float[], float[])" title="class or interface in java.util"><CODE>Arrays.equals(float[], float[])</CODE></A>. <P> <DD><DL> <DT><B>Since:</B></DT> <DD>2010.01.04 <b>tentative</b></DD> <DT><B>See Also:</B><DD><a href="http://en.wikipedia.org/wiki/Lexicographical_order"> Lexicographical order</a> article at Wikipedia</DL> </DD> </DL> <HR> <A NAME="toArray(java.util.Collection)"><!-- --></A><H3> toArray</H3> <PRE> public static float[] <B>toArray</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</A>> collection)</PRE> <DL> <DD>Copies a collection of <code>Float</code> instances into a new array of primitive <code>float</code> values. <p>Elements are copied from the argument collection as if by <code>collection.toArray()</code>. Calling this method is as thread-safe as calling that method. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>collection</CODE> - a collection of <code>Float</code> objects <DT><B>Returns:</B><DD>an array containing the same values as <code>collection</code>, in the same order, converted to primitives <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>collection</code> or any of its elements is null</DL> </DD> </DL> <HR> <A NAME="asList(float...)"><!-- --></A><H3> asList</H3> <PRE> public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</A>> <B>asList</B>(float... backingArray)</PRE> <DL> <DD>Returns a fixed-size list backed by the specified array, similar to <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Arrays.html?is-external=true#asList(T...)" title="class or interface in java.util"><CODE>Arrays.asList(Object[])</CODE></A>. The list supports <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true#set(int, E)" title="class or interface in java.util"><CODE>List.set(int, Object)</CODE></A>, but any attempt to set a value to <code>null</code> will result in a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang"><CODE>NullPointerException</CODE></A>. <p>The returned list maintains the values, but not the identities, of <code>Float</code> objects written to or read from it. For example, whether <code>list.get(0) == list.get(0)</code> is true for the returned list is unspecified. <p>The returned list may have unexpected behavior if it contains <code>NaN</code>, or if <code>NaN</code> is used as a parameter to any of its methods. <P> <DD><DL> <DT><B>Parameters:</B><DD><CODE>backingArray</CODE> - the array to back the list <DT><B>Returns:</B><DD>a list view of the array</DL> </DD> </DL> <!-- ========= END OF CLASS DATA ========= --> <HR> <!-- ======= START OF BOTTOM NAVBAR ====== --> <A NAME="navbar_bottom"><!-- --></A> <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_bottom_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Floats.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> </EM> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/google/common/primitives/Doubles.html" title="class in com.google.common.primitives"><B>PREV CLASS</B></A> <A HREF="../../../../com/google/common/primitives/Ints.html" title="class in com.google.common.primitives"><B>NEXT CLASS</B></A></FONT></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/google/common/primitives/Floats.html" target="_top"><B>FRAMES</B></A> <A HREF="Floats.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_bottom"></A> <!-- ======== END OF BOTTOM NAVBAR ======= --> <HR> </BODY> </HTML>