1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!--NewPage--> 3<HTML> 4<HEAD> 5<!-- Generated by javadoc (build 1.6.0-google-internal) on Mon Jan 04 20:48:00 PST 2010 --> 6<TITLE> 7Doubles (Guava Libraries 2010.01.04) 8</TITLE> 9 10<META NAME="date" CONTENT="2010-01-04"> 11 12<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"> 13 14<SCRIPT type="text/javascript"> 15function windowTitle() 16{ 17 if (location.href.indexOf('is-external=true') == -1) { 18 parent.document.title="Doubles (Guava Libraries 2010.01.04)"; 19 } 20} 21</SCRIPT> 22<NOSCRIPT> 23</NOSCRIPT> 24 25</HEAD> 26 27<BODY BGCOLOR="white" onload="windowTitle();"> 28<HR> 29 30 31<!-- ========= START OF TOP NAVBAR ======= --> 32<A NAME="navbar_top"><!-- --></A> 33<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 34<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 35<TR> 36<TD COLSPAN=2 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if(window==top) { 66 document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); 67 } 68 //--> 69</SCRIPT> 70<NOSCRIPT> 71 <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> 72</NOSCRIPT> 73 74 75</FONT></TD> 76</TR> 77<TR> 78<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 79 SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> 80<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 81DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> 82</TR> 83</TABLE> 84<A NAME="skip-navbar_top"></A> 85<!-- ========= END OF TOP NAVBAR ========= --> 86 87<HR> 88<!-- ======== START OF CLASS DATA ======== --> 89<H2> 90<FONT SIZE="-1"> 91com.google.common.primitives</FONT> 92<BR> 93Class Doubles</H2> 94<PRE> 95<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> 96 <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.common.primitives.Doubles</B> 97</PRE> 98<HR> 99<DL> 100<DT><PRE>public final class <B>Doubles</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> 101</PRE> 102 103<P> 104Static utility methods pertaining to <code>double</code> primitives, that are not 105 already found in either <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang"><CODE>Double</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>. 106<P> 107 108<P> 109<DL> 110<DT><B>Since:</B></DT> 111 <DD>2009.09.15 <b>tentative</b></DD> 112<DT><B>Author:</B></DT> 113 <DD>Kevin Bourrillion</DD> 114</DL> 115<HR> 116 117<P> 118 119<!-- ========== METHOD SUMMARY =========== --> 120 121<A NAME="method_summary"><!-- --></A> 122<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 123<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 124<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 125<B>Method Summary</B></FONT></TH> 126</TR> 127<TR BGCOLOR="white" CLASS="TableRowColor"> 128<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 129<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/Double.html?is-external=true" title="class or interface in java.lang">Double</A>></CODE></FONT></TD> 130<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#asList(double...)">asList</A></B>(double... backingArray)</CODE> 131 132<BR> 133 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> 134</TR> 135<TR BGCOLOR="white" CLASS="TableRowColor"> 136<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 137<CODE>static int</CODE></FONT></TD> 138<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#compare(double, double)">compare</A></B>(double a, 139 double b)</CODE> 140 141<BR> 142 Compares the two specified <code>double</code> values.</TD> 143</TR> 144<TR BGCOLOR="white" CLASS="TableRowColor"> 145<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 146<CODE>static double[]</CODE></FONT></TD> 147<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#concat(double[]...)">concat</A></B>(double[]... arrays)</CODE> 148 149<BR> 150 Returns the values from each provided array combined into a single array.</TD> 151</TR> 152<TR BGCOLOR="white" CLASS="TableRowColor"> 153<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 154<CODE>static boolean</CODE></FONT></TD> 155<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#contains(double[], double)">contains</A></B>(double[] array, 156 double target)</CODE> 157 158<BR> 159 Returns <code>true</code> if <code>target</code> is present as an element anywhere in 160 <code>array</code>.</TD> 161</TR> 162<TR BGCOLOR="white" CLASS="TableRowColor"> 163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 164<CODE>static double[]</CODE></FONT></TD> 165<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#ensureCapacity(double[], int, int)">ensureCapacity</A></B>(double[] array, 166 int minLength, 167 int padding)</CODE> 168 169<BR> 170 Returns an array containing the same values as <code>array</code>, but 171 guaranteed to be of a specified minimum length.</TD> 172</TR> 173<TR BGCOLOR="white" CLASS="TableRowColor"> 174<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 175<CODE>static int</CODE></FONT></TD> 176<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#hashCode(double)">hashCode</A></B>(double value)</CODE> 177 178<BR> 179 Returns a hash code for <code>value</code>; equal to the result of invoking 180 <code>((Double) value).hashCode()</code>.</TD> 181</TR> 182<TR BGCOLOR="white" CLASS="TableRowColor"> 183<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 184<CODE>static int</CODE></FONT></TD> 185<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#indexOf(double[], double)">indexOf</A></B>(double[] array, 186 double target)</CODE> 187 188<BR> 189 Returns the index of the first appearance of the value <code>target</code> in 190 <code>array</code>.</TD> 191</TR> 192<TR BGCOLOR="white" CLASS="TableRowColor"> 193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 194<CODE>static int</CODE></FONT></TD> 195<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#indexOf(double[], double[])">indexOf</A></B>(double[] array, 196 double[] target)</CODE> 197 198<BR> 199 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> 200</TR> 201<TR BGCOLOR="white" CLASS="TableRowColor"> 202<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 203<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> 204<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#join(java.lang.String, double...)">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, 205 double... array)</CODE> 206 207<BR> 208 Returns a string containing the supplied <code>double</code> values, converted 209 to strings as specified by <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true#toString(double)" title="class or interface in java.lang"><CODE>Double.toString(double)</CODE></A>, and separated 210 by <code>separator</code>.</TD> 211</TR> 212<TR BGCOLOR="white" CLASS="TableRowColor"> 213<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 214<CODE>static int</CODE></FONT></TD> 215<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#lastIndexOf(double[], double)">lastIndexOf</A></B>(double[] array, 216 double target)</CODE> 217 218<BR> 219 Returns the index of the last appearance of the value <code>target</code> in 220 <code>array</code>.</TD> 221</TR> 222<TR BGCOLOR="white" CLASS="TableRowColor"> 223<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 224<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><double[]></CODE></FONT></TD> 225<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#lexicographicalComparator()">lexicographicalComparator</A></B>()</CODE> 226 227<BR> 228 Returns a comparator that compares two <code>double</code> arrays 229 lexicographically.</TD> 230</TR> 231<TR BGCOLOR="white" CLASS="TableRowColor"> 232<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 233<CODE>static double</CODE></FONT></TD> 234<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#max(double...)">max</A></B>(double... array)</CODE> 235 236<BR> 237 Returns the greatest value present in <code>array</code>, using the same rules 238 of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#max(double, double)" title="class or interface in java.lang"><CODE>Math.max(double, double)</CODE></A>.</TD> 239</TR> 240<TR BGCOLOR="white" CLASS="TableRowColor"> 241<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 242<CODE>static double</CODE></FONT></TD> 243<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.html#min(double...)">min</A></B>(double... array)</CODE> 244 245<BR> 246 Returns the least value present in <code>array</code>, using the same rules of 247 comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(double, double)" title="class or interface in java.lang"><CODE>Math.min(double, double)</CODE></A>.</TD> 248</TR> 249<TR BGCOLOR="white" CLASS="TableRowColor"> 250<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 251<CODE>static double[]</CODE></FONT></TD> 252<TD><CODE><B><A HREF="../../../../com/google/common/primitives/Doubles.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/Double.html?is-external=true" title="class or interface in java.lang">Double</A>> collection)</CODE> 253 254<BR> 255 Copies a collection of <code>Double</code> instances into a new array of 256 primitive <code>double</code> values.</TD> 257</TR> 258</TABLE> 259 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 260<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 261<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 262<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> 263</TR> 264<TR BGCOLOR="white" CLASS="TableRowColor"> 265<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> 266</TR> 267</TABLE> 268 269<P> 270 271<!-- ============ METHOD DETAIL ========== --> 272 273<A NAME="method_detail"><!-- --></A> 274<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 275<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 276<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 277<B>Method Detail</B></FONT></TH> 278</TR> 279</TABLE> 280 281<A NAME="hashCode(double)"><!-- --></A><H3> 282hashCode</H3> 283<PRE> 284public static int <B>hashCode</B>(double value)</PRE> 285<DL> 286<DD>Returns a hash code for <code>value</code>; equal to the result of invoking 287 <code>((Double) value).hashCode()</code>. 288<P> 289<DD><DL> 290<DT><B>Parameters:</B><DD><CODE>value</CODE> - a primitive <code>double</code> value 291<DT><B>Returns:</B><DD>a hash code for the value</DL> 292</DD> 293</DL> 294<HR> 295 296<A NAME="compare(double, double)"><!-- --></A><H3> 297compare</H3> 298<PRE> 299public static int <B>compare</B>(double a, 300 double b)</PRE> 301<DL> 302<DD>Compares the two specified <code>double</code> values. The sign of the value 303 returned is the same as that of <code>((Double) a).<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true#compareTo(java.lang.Double)" title="class or interface in java.lang">compareTo</A>(b)</code>. As with that method, <code>NaN</code> is 304 treated as greater than all other values, and <code>0.0 > -0.0</code>. 305<P> 306<DD><DL> 307<DT><B>Parameters:</B><DD><CODE>a</CODE> - the first <code>double</code> to compare<DD><CODE>b</CODE> - the second <code>double</code> to compare 308<DT><B>Returns:</B><DD>a negative value if <code>a</code> is less than <code>b</code>; a positive 309 value if <code>a</code> is greater than <code>b</code>; or zero if they are equal</DL> 310</DD> 311</DL> 312<HR> 313 314<A NAME="contains(double[], double)"><!-- --></A><H3> 315contains</H3> 316<PRE> 317public static boolean <B>contains</B>(double[] array, 318 double target)</PRE> 319<DL> 320<DD>Returns <code>true</code> if <code>target</code> is present as an element anywhere in 321 <code>array</code>. Note that this always returns <code>false</code> when <code>target</code> is <code>NaN</code>. 322<P> 323<DD><DL> 324<DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>double</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>double</code> value 325<DT><B>Returns:</B><DD><code>true</code> if <code>array[i] == target</code> for some value of <code>i</code></DL> 326</DD> 327</DL> 328<HR> 329 330<A NAME="indexOf(double[], double)"><!-- --></A><H3> 331indexOf</H3> 332<PRE> 333public static int <B>indexOf</B>(double[] array, 334 double target)</PRE> 335<DL> 336<DD>Returns the index of the first appearance of the value <code>target</code> in 337 <code>array</code>. Note that this always returns <code>-1</code> when <code>target</code> 338 is <code>NaN</code>. 339<P> 340<DD><DL> 341<DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>double</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>double</code> value 342<DT><B>Returns:</B><DD>the least index <code>i</code> for which <code>array[i] == target</code>, or 343 <code>-1</code> if no such index exists.</DL> 344</DD> 345</DL> 346<HR> 347 348<A NAME="indexOf(double[], double[])"><!-- --></A><H3> 349indexOf</H3> 350<PRE> 351public static int <B>indexOf</B>(double[] array, 352 double[] target)</PRE> 353<DL> 354<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. 355 356 <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 357 the same elements as <code>target</code>. 358 359 <p>Note that this always returns <code>-1</code> when <code>target</code> contains 360 <code>NaN</code>. 361<P> 362<DD><DL> 363<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> 364</DD> 365</DL> 366<HR> 367 368<A NAME="lastIndexOf(double[], double)"><!-- --></A><H3> 369lastIndexOf</H3> 370<PRE> 371public static int <B>lastIndexOf</B>(double[] array, 372 double target)</PRE> 373<DL> 374<DD>Returns the index of the last appearance of the value <code>target</code> in 375 <code>array</code>. Note that this always returns <code>-1</code> when <code>target</code> 376 is <code>NaN</code>. 377<P> 378<DD><DL> 379<DT><B>Parameters:</B><DD><CODE>array</CODE> - an array of <code>double</code> values, possibly empty<DD><CODE>target</CODE> - a primitive <code>double</code> value 380<DT><B>Returns:</B><DD>the greatest index <code>i</code> for which <code>array[i] == target</code>, 381 or <code>-1</code> if no such index exists.</DL> 382</DD> 383</DL> 384<HR> 385 386<A NAME="min(double...)"><!-- --></A><H3> 387min</H3> 388<PRE> 389public static double <B>min</B>(double... array)</PRE> 390<DL> 391<DD>Returns the least value present in <code>array</code>, using the same rules of 392 comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#min(double, double)" title="class or interface in java.lang"><CODE>Math.min(double, double)</CODE></A>. 393<P> 394<DD><DL> 395<DT><B>Parameters:</B><DD><CODE>array</CODE> - a <i>nonempty</i> array of <code>double</code> values 396<DT><B>Returns:</B><DD>the value present in <code>array</code> that is less than or equal to 397 every other value in the array 398<DT><B>Throws:</B> 399<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> 400</DD> 401</DL> 402<HR> 403 404<A NAME="max(double...)"><!-- --></A><H3> 405max</H3> 406<PRE> 407public static double <B>max</B>(double... array)</PRE> 408<DL> 409<DD>Returns the greatest value present in <code>array</code>, using the same rules 410 of comparison as <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Math.html?is-external=true#max(double, double)" title="class or interface in java.lang"><CODE>Math.max(double, double)</CODE></A>. 411<P> 412<DD><DL> 413<DT><B>Parameters:</B><DD><CODE>array</CODE> - a <i>nonempty</i> array of <code>double</code> values 414<DT><B>Returns:</B><DD>the value present in <code>array</code> that is greater than or equal to 415 every other value in the array 416<DT><B>Throws:</B> 417<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> 418</DD> 419</DL> 420<HR> 421 422<A NAME="concat(double[]...)"><!-- --></A><H3> 423concat</H3> 424<PRE> 425public static double[] <B>concat</B>(double[]... arrays)</PRE> 426<DL> 427<DD>Returns the values from each provided array combined into a single array. 428 For example, <code>concat(new double[] {a, b}, new double[] {}, new 429 double[] {c}</code> returns the array <code>{a, b, c}</code>. 430<P> 431<DD><DL> 432<DT><B>Parameters:</B><DD><CODE>arrays</CODE> - zero or more <code>double</code> arrays 433<DT><B>Returns:</B><DD>a single array containing all the values from the source arrays, in 434 order</DL> 435</DD> 436</DL> 437<HR> 438 439<A NAME="ensureCapacity(double[], int, int)"><!-- --></A><H3> 440ensureCapacity</H3> 441<PRE> 442public static double[] <B>ensureCapacity</B>(double[] array, 443 int minLength, 444 int padding)</PRE> 445<DL> 446<DD>Returns an array containing the same values as <code>array</code>, but 447 guaranteed to be of a specified minimum length. If <code>array</code> already 448 has a length of at least <code>minLength</code>, it is returned directly. 449 Otherwise, a new array of size <code>minLength + padding</code> is returned, 450 containing the values of <code>array</code>, and zeroes in the remaining places. 451<P> 452<DD><DL> 453<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 454 necessary 455<DT><B>Returns:</B><DD>an array containing the values of <code>array</code>, with guaranteed 456 minimum length <code>minLength</code> 457<DT><B>Throws:</B> 458<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 459 negative</DL> 460</DD> 461</DL> 462<HR> 463 464<A NAME="join(java.lang.String, double...)"><!-- --></A><H3> 465join</H3> 466<PRE> 467public 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, 468 double... array)</PRE> 469<DL> 470<DD>Returns a string containing the supplied <code>double</code> values, converted 471 to strings as specified by <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Double.html?is-external=true#toString(double)" title="class or interface in java.lang"><CODE>Double.toString(double)</CODE></A>, and separated 472 by <code>separator</code>. For example, <code>join("-", 1.0, 2.0, 3.0)</code> returns 473 the string <code>"1.0-2.0-3.0"</code>. 474<P> 475<DD><DL> 476<DT><B>Parameters:</B><DD><CODE>separator</CODE> - the text that should appear between consecutive values in 477 the resulting string (but not at the start or end)<DD><CODE>array</CODE> - an array of <code>double</code> values, possibly empty</DL> 478</DD> 479</DL> 480<HR> 481 482<A NAME="lexicographicalComparator()"><!-- --></A><H3> 483lexicographicalComparator</H3> 484<PRE> 485public 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><double[]> <B>lexicographicalComparator</B>()</PRE> 486<DL> 487<DD>Returns a comparator that compares two <code>double</code> arrays 488 lexicographically. That is, it compares, using <A HREF="../../../../com/google/common/primitives/Doubles.html#compare(double, double)"><CODE>compare(double, double)</CODE></A>), the first pair of values that follow any 489 common prefix, or when one array is a prefix of the other, treats the 490 shorter array as the lesser. For example, 491 <code>[] < [1.0] < [1.0, 2.0] < [2.0]</code>. 492 493 <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 494 it is consistent with <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Arrays.html?is-external=true#equals(double[], double[])" title="class or interface in java.util"><CODE>Arrays.equals(double[], double[])</CODE></A>. 495<P> 496<DD><DL> 497<DT><B>Since:</B></DT> 498 <DD>2010.01.04 <b>tentative</b></DD> 499<DT><B>See Also:</B><DD><a href="http://en.wikipedia.org/wiki/Lexicographical_order"> 500 Lexicographical order</a> article at Wikipedia</DL> 501</DD> 502</DL> 503<HR> 504 505<A NAME="toArray(java.util.Collection)"><!-- --></A><H3> 506toArray</H3> 507<PRE> 508public static double[] <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/Double.html?is-external=true" title="class or interface in java.lang">Double</A>> collection)</PRE> 509<DL> 510<DD>Copies a collection of <code>Double</code> instances into a new array of 511 primitive <code>double</code> values. 512 513 <p>Elements are copied from the argument collection as if by <code>collection.toArray()</code>. Calling this method is as thread-safe as calling 514 that method. 515<P> 516<DD><DL> 517<DT><B>Parameters:</B><DD><CODE>collection</CODE> - a collection of <code>Double</code> objects 518<DT><B>Returns:</B><DD>an array containing the same values as <code>collection</code>, in the 519 same order, converted to primitives 520<DT><B>Throws:</B> 521<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 522 is null</DL> 523</DD> 524</DL> 525<HR> 526 527<A NAME="asList(double...)"><!-- --></A><H3> 528asList</H3> 529<PRE> 530public 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/Double.html?is-external=true" title="class or interface in java.lang">Double</A>> <B>asList</B>(double... backingArray)</PRE> 531<DL> 532<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>, 533 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>. 534 535 <p>The returned list maintains the values, but not the identities, of 536 <code>Double</code> objects written to or read from it. For example, whether 537 <code>list.get(0) == list.get(0)</code> is true for the returned list is 538 unspecified. 539 540 <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. 541<P> 542<DD><DL> 543<DT><B>Parameters:</B><DD><CODE>backingArray</CODE> - the array to back the list 544<DT><B>Returns:</B><DD>a list view of the array</DL> 545</DD> 546</DL> 547<!-- ========= END OF CLASS DATA ========= --> 548<HR> 549 550 551<!-- ======= START OF BOTTOM NAVBAR ====== --> 552<A NAME="navbar_bottom"><!-- --></A> 553<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 554<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 555<TR> 556<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 557<A NAME="navbar_bottom_firstrow"><!-- --></A> 558<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 559 <TR ALIGN="center" VALIGN="top"> 560 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 561 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 562 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 563 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Doubles.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 564 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 565 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 566 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 567 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 568 </TR> 569</TABLE> 570</TD> 571<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 572</EM> 573</TD> 574</TR> 575 576<TR> 577<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 578 <A HREF="../../../../com/google/common/primitives/Chars.html" title="class in com.google.common.primitives"><B>PREV CLASS</B></A> 579 <A HREF="../../../../com/google/common/primitives/Floats.html" title="class in com.google.common.primitives"><B>NEXT CLASS</B></A></FONT></TD> 580<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 581 <A HREF="../../../../index.html?com/google/common/primitives/Doubles.html" target="_top"><B>FRAMES</B></A> 582 <A HREF="Doubles.html" target="_top"><B>NO FRAMES</B></A> 583 <SCRIPT type="text/javascript"> 584 <!-- 585 if(window==top) { 586 document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); 587 } 588 //--> 589</SCRIPT> 590<NOSCRIPT> 591 <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> 592</NOSCRIPT> 593 594 595</FONT></TD> 596</TR> 597<TR> 598<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 599 SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> 600<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 601DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> 602</TR> 603</TABLE> 604<A NAME="skip-navbar_bottom"></A> 605<!-- ======== END OF BOTTOM NAVBAR ======= --> 606 607<HR> 608 609</BODY> 610</HTML> 611
