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From l..@apache.org
Subject svn commit: r961863 [34/34] - in /websites/production/commons/content/proper/commons-math: ./ apidocs/ apidocs/org/apache/commons/math3/analysis/class-use/ apidocs/org/apache/commons/math3/analysis/interpolation/ apidocs/org/apache/commons/math3/analys...
Date Fri, 14 Aug 2015 19:12:44 GMT
Modified: websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/util/MathArrays.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/util/MathArrays.html (original)
+++ websites/production/commons/content/proper/commons-math/xref/org/apache/commons/math3/util/MathArrays.html Fri Aug 14 19:12:42 2015
@@ -251,1514 +251,1525 @@
 <a class="jxr_linenumber" name="L243" href="#L243">243</a>     }
 <a class="jxr_linenumber" name="L244" href="#L244">244</a> 
 <a class="jxr_linenumber" name="L245" href="#L245">245</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;2&lt;/sub&gt; (Euclidean) distance between two points.</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment">     * Calculates the cosine of the angle between two vectors.</em>
 <a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
-<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
-<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;2&lt;/sub&gt; distance between the two points</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment">     * @param v1 Cartesian coordinates of the first vector.</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment">     * @param v2 Cartesian coordinates of the second vector.</em>
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment">     * @return the cosine of the angle between the vectors.</em>
 <a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L252" href="#L252">252</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> distance(<strong class="jxr_keyword">int</strong>[] p1, <strong class="jxr_keyword">int</strong>[] p2) {
-<a class="jxr_linenumber" name="L253" href="#L253">253</a>       <strong class="jxr_keyword">double</strong> sum = 0;
-<a class="jxr_linenumber" name="L254" href="#L254">254</a>       <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
-<a class="jxr_linenumber" name="L255" href="#L255">255</a>           <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> dp = p1[i] - p2[i];
-<a class="jxr_linenumber" name="L256" href="#L256">256</a>           sum += dp * dp;
-<a class="jxr_linenumber" name="L257" href="#L257">257</a>       }
-<a class="jxr_linenumber" name="L258" href="#L258">258</a>       <strong class="jxr_keyword">return</strong> FastMath.sqrt(sum);
-<a class="jxr_linenumber" name="L259" href="#L259">259</a>     }
-<a class="jxr_linenumber" name="L260" href="#L260">260</a> 
-<a class="jxr_linenumber" name="L261" href="#L261">261</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; (max of abs) distance between two points.</em>
-<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
-<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
-<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; distance between the two points</em>
-<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L268" href="#L268">268</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> distanceInf(<strong class="jxr_keyword">double</strong>[] p1, <strong class="jxr_keyword">double</strong>[] p2) {
-<a class="jxr_linenumber" name="L269" href="#L269">269</a>         <strong class="jxr_keyword">double</strong> max = 0;
-<a class="jxr_linenumber" name="L270" href="#L270">270</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
-<a class="jxr_linenumber" name="L271" href="#L271">271</a>             max = FastMath.max(max, FastMath.abs(p1[i] - p2[i]));
-<a class="jxr_linenumber" name="L272" href="#L272">272</a>         }
-<a class="jxr_linenumber" name="L273" href="#L273">273</a>         <strong class="jxr_keyword">return</strong> max;
-<a class="jxr_linenumber" name="L274" href="#L274">274</a>     }
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> 
-<a class="jxr_linenumber" name="L276" href="#L276">276</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; (max of abs) distance between two points.</em>
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
-<a class="jxr_linenumber" name="L280" href="#L280">280</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; distance between the two points</em>
-<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L283" href="#L283">283</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> distanceInf(<strong class="jxr_keyword">int</strong>[] p1, <strong class="jxr_keyword">int</strong>[] p2) {
-<a class="jxr_linenumber" name="L284" href="#L284">284</a>         <strong class="jxr_keyword">int</strong> max = 0;
-<a class="jxr_linenumber" name="L285" href="#L285">285</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
-<a class="jxr_linenumber" name="L286" href="#L286">286</a>             max = FastMath.max(max, FastMath.abs(p1[i] - p2[i]));
-<a class="jxr_linenumber" name="L287" href="#L287">287</a>         }
-<a class="jxr_linenumber" name="L288" href="#L288">288</a>         <strong class="jxr_keyword">return</strong> max;
-<a class="jxr_linenumber" name="L289" href="#L289">289</a>     }
-<a class="jxr_linenumber" name="L290" href="#L290">290</a> 
-<a class="jxr_linenumber" name="L291" href="#L291">291</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment">     * Specification of ordering direction.</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> cosAngle(<strong class="jxr_keyword">double</strong>[] v1, <strong class="jxr_keyword">double</strong>[] v2) {
+<a class="jxr_linenumber" name="L253" href="#L253">253</a>         <strong class="jxr_keyword">return</strong> linearCombination(v1, v2) / (safeNorm(v1) * safeNorm(v2));
+<a class="jxr_linenumber" name="L254" href="#L254">254</a>     }
+<a class="jxr_linenumber" name="L255" href="#L255">255</a> 
+<a class="jxr_linenumber" name="L256" href="#L256">256</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;2&lt;/sub&gt; (Euclidean) distance between two points.</em>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;2&lt;/sub&gt; distance between the two points</em>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> distance(<strong class="jxr_keyword">int</strong>[] p1, <strong class="jxr_keyword">int</strong>[] p2) {
+<a class="jxr_linenumber" name="L264" href="#L264">264</a>       <strong class="jxr_keyword">double</strong> sum = 0;
+<a class="jxr_linenumber" name="L265" href="#L265">265</a>       <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
+<a class="jxr_linenumber" name="L266" href="#L266">266</a>           <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> dp = p1[i] - p2[i];
+<a class="jxr_linenumber" name="L267" href="#L267">267</a>           sum += dp * dp;
+<a class="jxr_linenumber" name="L268" href="#L268">268</a>       }
+<a class="jxr_linenumber" name="L269" href="#L269">269</a>       <strong class="jxr_keyword">return</strong> FastMath.sqrt(sum);
+<a class="jxr_linenumber" name="L270" href="#L270">270</a>     }
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> 
+<a class="jxr_linenumber" name="L272" href="#L272">272</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; (max of abs) distance between two points.</em>
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; distance between the two points</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L279" href="#L279">279</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> distanceInf(<strong class="jxr_keyword">double</strong>[] p1, <strong class="jxr_keyword">double</strong>[] p2) {
+<a class="jxr_linenumber" name="L280" href="#L280">280</a>         <strong class="jxr_keyword">double</strong> max = 0;
+<a class="jxr_linenumber" name="L281" href="#L281">281</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
+<a class="jxr_linenumber" name="L282" href="#L282">282</a>             max = FastMath.max(max, FastMath.abs(p1[i] - p2[i]));
+<a class="jxr_linenumber" name="L283" href="#L283">283</a>         }
+<a class="jxr_linenumber" name="L284" href="#L284">284</a>         <strong class="jxr_keyword">return</strong> max;
+<a class="jxr_linenumber" name="L285" href="#L285">285</a>     }
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> 
+<a class="jxr_linenumber" name="L287" href="#L287">287</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment">     * Calculates the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; (max of abs) distance between two points.</em>
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment">     * @param p1 the first point</em>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment">     * @param p2 the second point</em>
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment">     * @return the L&lt;sub&gt;&amp;infin;&lt;/sub&gt; distance between the two points</em>
 <a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L294" href="#L294">294</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> enum <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> {
-<a class="jxr_linenumber" name="L295" href="#L295">295</a>         <em class="jxr_javadoccomment">/** Constant for increasing direction. */</em>
-<a class="jxr_linenumber" name="L296" href="#L296">296</a>         INCREASING,
-<a class="jxr_linenumber" name="L297" href="#L297">297</a>         <em class="jxr_javadoccomment">/** Constant for decreasing direction. */</em>
-<a class="jxr_linenumber" name="L298" href="#L298">298</a>         DECREASING
-<a class="jxr_linenumber" name="L299" href="#L299">299</a>     }
-<a class="jxr_linenumber" name="L300" href="#L300">300</a> 
-<a class="jxr_linenumber" name="L301" href="#L301">301</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L302" href="#L302">302</a> <em class="jxr_javadoccomment">     * Check that an array is monotonically increasing or decreasing.</em>
-<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment">     * @param &lt;T&gt; the type of the elements in the specified array</em>
-<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
-<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
-<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
-<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment">     * @return {@code true} if sorted, {@code false} otherwise.</em>
-<a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L310" href="#L310">310</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>  &lt;T <strong class="jxr_keyword">extends</strong> Comparable&lt;? <strong class="jxr_keyword">super</strong> T&gt;&gt; <strong class="jxr_keyword">boolean</strong> isMonotonic(T[] val,
-<a class="jxr_linenumber" name="L311" href="#L311">311</a>                                       <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
-<a class="jxr_linenumber" name="L312" href="#L312">312</a>                                       <strong class="jxr_keyword">boolean</strong> strict) {
-<a class="jxr_linenumber" name="L313" href="#L313">313</a>         T previous = val[0];
-<a class="jxr_linenumber" name="L314" href="#L314">314</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = val.length;
-<a class="jxr_linenumber" name="L315" href="#L315">315</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i &lt; max; i++) {
-<a class="jxr_linenumber" name="L316" href="#L316">316</a>             <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> comp;
-<a class="jxr_linenumber" name="L317" href="#L317">317</a>             <strong class="jxr_keyword">switch</strong> (dir) {
-<a class="jxr_linenumber" name="L318" href="#L318">318</a>             <strong class="jxr_keyword">case</strong> INCREASING:
-<a class="jxr_linenumber" name="L319" href="#L319">319</a>                 comp = previous.compareTo(val[i]);
-<a class="jxr_linenumber" name="L320" href="#L320">320</a>                 <strong class="jxr_keyword">if</strong> (strict) {
-<a class="jxr_linenumber" name="L321" href="#L321">321</a>                     <strong class="jxr_keyword">if</strong> (comp &gt;= 0) {
-<a class="jxr_linenumber" name="L322" href="#L322">322</a>                         <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L323" href="#L323">323</a>                     }
-<a class="jxr_linenumber" name="L324" href="#L324">324</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L325" href="#L325">325</a>                     <strong class="jxr_keyword">if</strong> (comp &gt; 0) {
-<a class="jxr_linenumber" name="L326" href="#L326">326</a>                         <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L327" href="#L327">327</a>                     }
-<a class="jxr_linenumber" name="L328" href="#L328">328</a>                 }
-<a class="jxr_linenumber" name="L329" href="#L329">329</a>                 <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L330" href="#L330">330</a>             <strong class="jxr_keyword">case</strong> DECREASING:
-<a class="jxr_linenumber" name="L331" href="#L331">331</a>                 comp = val[i].compareTo(previous);
-<a class="jxr_linenumber" name="L332" href="#L332">332</a>                 <strong class="jxr_keyword">if</strong> (strict) {
-<a class="jxr_linenumber" name="L333" href="#L333">333</a>                     <strong class="jxr_keyword">if</strong> (comp &gt;= 0) {
-<a class="jxr_linenumber" name="L334" href="#L334">334</a>                         <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L335" href="#L335">335</a>                     }
-<a class="jxr_linenumber" name="L336" href="#L336">336</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L337" href="#L337">337</a>                     <strong class="jxr_keyword">if</strong> (comp &gt; 0) {
-<a class="jxr_linenumber" name="L338" href="#L338">338</a>                        <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="L339" href="#L339">339</a>                     }
-<a class="jxr_linenumber" name="L340" href="#L340">340</a>                 }
-<a class="jxr_linenumber" name="L341" href="#L341">341</a>                 <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L342" href="#L342">342</a>             <strong class="jxr_keyword">default</strong>:
-<a class="jxr_linenumber" name="L343" href="#L343">343</a>                 <em class="jxr_comment">// Should never happen.</em>
-<a class="jxr_linenumber" name="L344" href="#L344">344</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathInternalError.html">MathInternalError</a>();
-<a class="jxr_linenumber" name="L345" href="#L345">345</a>             }
-<a class="jxr_linenumber" name="L346" href="#L346">346</a> 
-<a class="jxr_linenumber" name="L347" href="#L347">347</a>             previous = val[i];
-<a class="jxr_linenumber" name="L348" href="#L348">348</a>         }
-<a class="jxr_linenumber" name="L349" href="#L349">349</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L350" href="#L350">350</a>     }
-<a class="jxr_linenumber" name="L351" href="#L351">351</a> 
-<a class="jxr_linenumber" name="L352" href="#L352">352</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L353" href="#L353">353</a> <em class="jxr_javadoccomment">     * Check that an array is monotonically increasing or decreasing.</em>
-<a class="jxr_linenumber" name="L354" href="#L354">354</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L355" href="#L355">355</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
-<a class="jxr_linenumber" name="L356" href="#L356">356</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
-<a class="jxr_linenumber" name="L357" href="#L357">357</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
-<a class="jxr_linenumber" name="L358" href="#L358">358</a> <em class="jxr_javadoccomment">     * @return {@code true} if sorted, {@code false} otherwise.</em>
-<a class="jxr_linenumber" name="L359" href="#L359">359</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L360" href="#L360">360</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isMonotonic(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir, <strong class="jxr_keyword">boolean</strong> strict) {
-<a class="jxr_linenumber" name="L361" href="#L361">361</a>         <strong class="jxr_keyword">return</strong> checkOrder(val, dir, strict, false);
-<a class="jxr_linenumber" name="L362" href="#L362">362</a>     }
-<a class="jxr_linenumber" name="L363" href="#L363">363</a> 
-<a class="jxr_linenumber" name="L364" href="#L364">364</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted.</em>
-<a class="jxr_linenumber" name="L366" href="#L366">366</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L367" href="#L367">367</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
-<a class="jxr_linenumber" name="L368" href="#L368">368</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
-<a class="jxr_linenumber" name="L369" href="#L369">369</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
-<a class="jxr_linenumber" name="L370" href="#L370">370</a> <em class="jxr_javadoccomment">     * @param abort Whether to throw an exception if the check fails.</em>
-<a class="jxr_linenumber" name="L371" href="#L371">371</a> <em class="jxr_javadoccomment">     * @return {@code true} if the array is sorted.</em>
-<a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted</em>
-<a class="jxr_linenumber" name="L373" href="#L373">373</a> <em class="jxr_javadoccomment">     * and {@code abort} is {@code true}.</em>
-<a class="jxr_linenumber" name="L374" href="#L374">374</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L375" href="#L375">375</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
-<a class="jxr_linenumber" name="L376" href="#L376">376</a>                                      <strong class="jxr_keyword">boolean</strong> strict, <strong class="jxr_keyword">boolean</strong> abort)
-<a class="jxr_linenumber" name="L377" href="#L377">377</a>         <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html">NonMonotonicSequenceException</a> {
-<a class="jxr_linenumber" name="L378" href="#L378">378</a>         <strong class="jxr_keyword">double</strong> previous = val[0];
-<a class="jxr_linenumber" name="L379" href="#L379">379</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = val.length;
-<a class="jxr_linenumber" name="L380" href="#L380">380</a> 
-<a class="jxr_linenumber" name="L381" href="#L381">381</a>         <strong class="jxr_keyword">int</strong> index;
-<a class="jxr_linenumber" name="L382" href="#L382">382</a>         ITEM:
-<a class="jxr_linenumber" name="L383" href="#L383">383</a>         <strong class="jxr_keyword">for</strong> (index = 1; index &lt; max; index++) {
-<a class="jxr_linenumber" name="L384" href="#L384">384</a>             <strong class="jxr_keyword">switch</strong> (dir) {
-<a class="jxr_linenumber" name="L385" href="#L385">385</a>             <strong class="jxr_keyword">case</strong> INCREASING:
-<a class="jxr_linenumber" name="L386" href="#L386">386</a>                 <strong class="jxr_keyword">if</strong> (strict) {
-<a class="jxr_linenumber" name="L387" href="#L387">387</a>                     <strong class="jxr_keyword">if</strong> (val[index] &lt;= previous) {
-<a class="jxr_linenumber" name="L388" href="#L388">388</a>                         <strong class="jxr_keyword">break</strong> ITEM;
-<a class="jxr_linenumber" name="L389" href="#L389">389</a>                     }
-<a class="jxr_linenumber" name="L390" href="#L390">390</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L391" href="#L391">391</a>                     <strong class="jxr_keyword">if</strong> (val[index] &lt; previous) {
-<a class="jxr_linenumber" name="L392" href="#L392">392</a>                         <strong class="jxr_keyword">break</strong> ITEM;
-<a class="jxr_linenumber" name="L393" href="#L393">393</a>                     }
-<a class="jxr_linenumber" name="L394" href="#L394">394</a>                 }
-<a class="jxr_linenumber" name="L395" href="#L395">395</a>                 <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L396" href="#L396">396</a>             <strong class="jxr_keyword">case</strong> DECREASING:
+<a class="jxr_linenumber" name="L294" href="#L294">294</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> distanceInf(<strong class="jxr_keyword">int</strong>[] p1, <strong class="jxr_keyword">int</strong>[] p2) {
+<a class="jxr_linenumber" name="L295" href="#L295">295</a>         <strong class="jxr_keyword">int</strong> max = 0;
+<a class="jxr_linenumber" name="L296" href="#L296">296</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; p1.length; i++) {
+<a class="jxr_linenumber" name="L297" href="#L297">297</a>             max = FastMath.max(max, FastMath.abs(p1[i] - p2[i]));
+<a class="jxr_linenumber" name="L298" href="#L298">298</a>         }
+<a class="jxr_linenumber" name="L299" href="#L299">299</a>         <strong class="jxr_keyword">return</strong> max;
+<a class="jxr_linenumber" name="L300" href="#L300">300</a>     }
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> 
+<a class="jxr_linenumber" name="L302" href="#L302">302</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">     * Specification of ordering direction.</em>
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L305" href="#L305">305</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> enum <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> {
+<a class="jxr_linenumber" name="L306" href="#L306">306</a>         <em class="jxr_javadoccomment">/** Constant for increasing direction. */</em>
+<a class="jxr_linenumber" name="L307" href="#L307">307</a>         INCREASING,
+<a class="jxr_linenumber" name="L308" href="#L308">308</a>         <em class="jxr_javadoccomment">/** Constant for decreasing direction. */</em>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a>         DECREASING
+<a class="jxr_linenumber" name="L310" href="#L310">310</a>     }
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> 
+<a class="jxr_linenumber" name="L312" href="#L312">312</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment">     * Check that an array is monotonically increasing or decreasing.</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment">     * @param &lt;T&gt; the type of the elements in the specified array</em>
+<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
+<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
+<a class="jxr_linenumber" name="L318" href="#L318">318</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> <em class="jxr_javadoccomment">     * @return {@code true} if sorted, {@code false} otherwise.</em>
+<a class="jxr_linenumber" name="L320" href="#L320">320</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L321" href="#L321">321</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>  &lt;T <strong class="jxr_keyword">extends</strong> Comparable&lt;? <strong class="jxr_keyword">super</strong> T&gt;&gt; <strong class="jxr_keyword">boolean</strong> isMonotonic(T[] val,
+<a class="jxr_linenumber" name="L322" href="#L322">322</a>                                       <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
+<a class="jxr_linenumber" name="L323" href="#L323">323</a>                                       <strong class="jxr_keyword">boolean</strong> strict) {
+<a class="jxr_linenumber" name="L324" href="#L324">324</a>         T previous = val[0];
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = val.length;
+<a class="jxr_linenumber" name="L326" href="#L326">326</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i &lt; max; i++) {
+<a class="jxr_linenumber" name="L327" href="#L327">327</a>             <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> comp;
+<a class="jxr_linenumber" name="L328" href="#L328">328</a>             <strong class="jxr_keyword">switch</strong> (dir) {
+<a class="jxr_linenumber" name="L329" href="#L329">329</a>             <strong class="jxr_keyword">case</strong> INCREASING:
+<a class="jxr_linenumber" name="L330" href="#L330">330</a>                 comp = previous.compareTo(val[i]);
+<a class="jxr_linenumber" name="L331" href="#L331">331</a>                 <strong class="jxr_keyword">if</strong> (strict) {
+<a class="jxr_linenumber" name="L332" href="#L332">332</a>                     <strong class="jxr_keyword">if</strong> (comp &gt;= 0) {
+<a class="jxr_linenumber" name="L333" href="#L333">333</a>                         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="L334" href="#L334">334</a>                     }
+<a class="jxr_linenumber" name="L335" href="#L335">335</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L336" href="#L336">336</a>                     <strong class="jxr_keyword">if</strong> (comp &gt; 0) {
+<a class="jxr_linenumber" name="L337" href="#L337">337</a>                         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="L338" href="#L338">338</a>                     }
+<a class="jxr_linenumber" name="L339" href="#L339">339</a>                 }
+<a class="jxr_linenumber" name="L340" href="#L340">340</a>                 <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L341" href="#L341">341</a>             <strong class="jxr_keyword">case</strong> DECREASING:
+<a class="jxr_linenumber" name="L342" href="#L342">342</a>                 comp = val[i].compareTo(previous);
+<a class="jxr_linenumber" name="L343" href="#L343">343</a>                 <strong class="jxr_keyword">if</strong> (strict) {
+<a class="jxr_linenumber" name="L344" href="#L344">344</a>                     <strong class="jxr_keyword">if</strong> (comp &gt;= 0) {
+<a class="jxr_linenumber" name="L345" href="#L345">345</a>                         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="L346" href="#L346">346</a>                     }
+<a class="jxr_linenumber" name="L347" href="#L347">347</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L348" href="#L348">348</a>                     <strong class="jxr_keyword">if</strong> (comp &gt; 0) {
+<a class="jxr_linenumber" name="L349" href="#L349">349</a>                        <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="L350" href="#L350">350</a>                     }
+<a class="jxr_linenumber" name="L351" href="#L351">351</a>                 }
+<a class="jxr_linenumber" name="L352" href="#L352">352</a>                 <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L353" href="#L353">353</a>             <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="L354" href="#L354">354</a>                 <em class="jxr_comment">// Should never happen.</em>
+<a class="jxr_linenumber" name="L355" href="#L355">355</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathInternalError.html">MathInternalError</a>();
+<a class="jxr_linenumber" name="L356" href="#L356">356</a>             }
+<a class="jxr_linenumber" name="L357" href="#L357">357</a> 
+<a class="jxr_linenumber" name="L358" href="#L358">358</a>             previous = val[i];
+<a class="jxr_linenumber" name="L359" href="#L359">359</a>         }
+<a class="jxr_linenumber" name="L360" href="#L360">360</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L361" href="#L361">361</a>     }
+<a class="jxr_linenumber" name="L362" href="#L362">362</a> 
+<a class="jxr_linenumber" name="L363" href="#L363">363</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L364" href="#L364">364</a> <em class="jxr_javadoccomment">     * Check that an array is monotonically increasing or decreasing.</em>
+<a class="jxr_linenumber" name="L365" href="#L365">365</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L366" href="#L366">366</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
+<a class="jxr_linenumber" name="L367" href="#L367">367</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
+<a class="jxr_linenumber" name="L368" href="#L368">368</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
+<a class="jxr_linenumber" name="L369" href="#L369">369</a> <em class="jxr_javadoccomment">     * @return {@code true} if sorted, {@code false} otherwise.</em>
+<a class="jxr_linenumber" name="L370" href="#L370">370</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L371" href="#L371">371</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isMonotonic(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir, <strong class="jxr_keyword">boolean</strong> strict) {
+<a class="jxr_linenumber" name="L372" href="#L372">372</a>         <strong class="jxr_keyword">return</strong> checkOrder(val, dir, strict, false);
+<a class="jxr_linenumber" name="L373" href="#L373">373</a>     }
+<a class="jxr_linenumber" name="L374" href="#L374">374</a> 
+<a class="jxr_linenumber" name="L375" href="#L375">375</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L376" href="#L376">376</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted.</em>
+<a class="jxr_linenumber" name="L377" href="#L377">377</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
+<a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
+<a class="jxr_linenumber" name="L380" href="#L380">380</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
+<a class="jxr_linenumber" name="L381" href="#L381">381</a> <em class="jxr_javadoccomment">     * @param abort Whether to throw an exception if the check fails.</em>
+<a class="jxr_linenumber" name="L382" href="#L382">382</a> <em class="jxr_javadoccomment">     * @return {@code true} if the array is sorted.</em>
+<a class="jxr_linenumber" name="L383" href="#L383">383</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted</em>
+<a class="jxr_linenumber" name="L384" href="#L384">384</a> <em class="jxr_javadoccomment">     * and {@code abort} is {@code true}.</em>
+<a class="jxr_linenumber" name="L385" href="#L385">385</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L386" href="#L386">386</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
+<a class="jxr_linenumber" name="L387" href="#L387">387</a>                                      <strong class="jxr_keyword">boolean</strong> strict, <strong class="jxr_keyword">boolean</strong> abort)
+<a class="jxr_linenumber" name="L388" href="#L388">388</a>         <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html">NonMonotonicSequenceException</a> {
+<a class="jxr_linenumber" name="L389" href="#L389">389</a>         <strong class="jxr_keyword">double</strong> previous = val[0];
+<a class="jxr_linenumber" name="L390" href="#L390">390</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = val.length;
+<a class="jxr_linenumber" name="L391" href="#L391">391</a> 
+<a class="jxr_linenumber" name="L392" href="#L392">392</a>         <strong class="jxr_keyword">int</strong> index;
+<a class="jxr_linenumber" name="L393" href="#L393">393</a>         ITEM:
+<a class="jxr_linenumber" name="L394" href="#L394">394</a>         <strong class="jxr_keyword">for</strong> (index = 1; index &lt; max; index++) {
+<a class="jxr_linenumber" name="L395" href="#L395">395</a>             <strong class="jxr_keyword">switch</strong> (dir) {
+<a class="jxr_linenumber" name="L396" href="#L396">396</a>             <strong class="jxr_keyword">case</strong> INCREASING:
 <a class="jxr_linenumber" name="L397" href="#L397">397</a>                 <strong class="jxr_keyword">if</strong> (strict) {
-<a class="jxr_linenumber" name="L398" href="#L398">398</a>                     <strong class="jxr_keyword">if</strong> (val[index] &gt;= previous) {
+<a class="jxr_linenumber" name="L398" href="#L398">398</a>                     <strong class="jxr_keyword">if</strong> (val[index] &lt;= previous) {
 <a class="jxr_linenumber" name="L399" href="#L399">399</a>                         <strong class="jxr_keyword">break</strong> ITEM;
 <a class="jxr_linenumber" name="L400" href="#L400">400</a>                     }
 <a class="jxr_linenumber" name="L401" href="#L401">401</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L402" href="#L402">402</a>                     <strong class="jxr_keyword">if</strong> (val[index] &gt; previous) {
+<a class="jxr_linenumber" name="L402" href="#L402">402</a>                     <strong class="jxr_keyword">if</strong> (val[index] &lt; previous) {
 <a class="jxr_linenumber" name="L403" href="#L403">403</a>                         <strong class="jxr_keyword">break</strong> ITEM;
 <a class="jxr_linenumber" name="L404" href="#L404">404</a>                     }
 <a class="jxr_linenumber" name="L405" href="#L405">405</a>                 }
 <a class="jxr_linenumber" name="L406" href="#L406">406</a>                 <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L407" href="#L407">407</a>             <strong class="jxr_keyword">default</strong>:
-<a class="jxr_linenumber" name="L408" href="#L408">408</a>                 <em class="jxr_comment">// Should never happen.</em>
-<a class="jxr_linenumber" name="L409" href="#L409">409</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathInternalError.html">MathInternalError</a>();
-<a class="jxr_linenumber" name="L410" href="#L410">410</a>             }
-<a class="jxr_linenumber" name="L411" href="#L411">411</a> 
-<a class="jxr_linenumber" name="L412" href="#L412">412</a>             previous = val[index];
-<a class="jxr_linenumber" name="L413" href="#L413">413</a>         }
-<a class="jxr_linenumber" name="L414" href="#L414">414</a> 
-<a class="jxr_linenumber" name="L415" href="#L415">415</a>         <strong class="jxr_keyword">if</strong> (index == max) {
-<a class="jxr_linenumber" name="L416" href="#L416">416</a>             <em class="jxr_comment">// Loop completed.</em>
-<a class="jxr_linenumber" name="L417" href="#L417">417</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L418" href="#L418">418</a>         }
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-<a class="jxr_linenumber" name="L420" href="#L420">420</a>         <em class="jxr_comment">// Loop early exit means wrong ordering.</em>
-<a class="jxr_linenumber" name="L421" href="#L421">421</a>         <strong class="jxr_keyword">if</strong> (abort) {
-<a class="jxr_linenumber" name="L422" href="#L422">422</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html">NonMonotonicSequenceException</a>(val[index], previous, index, dir, strict);
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-<a class="jxr_linenumber" name="L429" href="#L429">429</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted.</em>
-<a class="jxr_linenumber" name="L430" href="#L430">430</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L431" href="#L431">431</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
-<a class="jxr_linenumber" name="L432" href="#L432">432</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
-<a class="jxr_linenumber" name="L433" href="#L433">433</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
-<a class="jxr_linenumber" name="L434" href="#L434">434</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted.</em>
-<a class="jxr_linenumber" name="L435" href="#L435">435</a> <em class="jxr_javadoccomment">     * @since 2.2</em>
-<a class="jxr_linenumber" name="L436" href="#L436">436</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L437" href="#L437">437</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
-<a class="jxr_linenumber" name="L438" href="#L438">438</a>                                   <strong class="jxr_keyword">boolean</strong> strict) <strong class="jxr_keyword">throws</strong> NonMonotonicSequenceException {
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-<a class="jxr_linenumber" name="L441" href="#L441">441</a> 
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-<a class="jxr_linenumber" name="L443" href="#L443">443</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted in strictly increasing order.</em>
-<a class="jxr_linenumber" name="L444" href="#L444">444</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L445" href="#L445">445</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
-<a class="jxr_linenumber" name="L446" href="#L446">446</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted.</em>
-<a class="jxr_linenumber" name="L447" href="#L447">447</a> <em class="jxr_javadoccomment">     * @since 2.2</em>
-<a class="jxr_linenumber" name="L448" href="#L448">448</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L449" href="#L449">449</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val) <strong class="jxr_keyword">throws</strong> NonMonotonicSequenceException {
-<a class="jxr_linenumber" name="L450" href="#L450">450</a>         checkOrder(val, OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L407" href="#L407">407</a>             <strong class="jxr_keyword">case</strong> DECREASING:
+<a class="jxr_linenumber" name="L408" href="#L408">408</a>                 <strong class="jxr_keyword">if</strong> (strict) {
+<a class="jxr_linenumber" name="L409" href="#L409">409</a>                     <strong class="jxr_keyword">if</strong> (val[index] &gt;= previous) {
+<a class="jxr_linenumber" name="L410" href="#L410">410</a>                         <strong class="jxr_keyword">break</strong> ITEM;
+<a class="jxr_linenumber" name="L411" href="#L411">411</a>                     }
+<a class="jxr_linenumber" name="L412" href="#L412">412</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L413" href="#L413">413</a>                     <strong class="jxr_keyword">if</strong> (val[index] &gt; previous) {
+<a class="jxr_linenumber" name="L414" href="#L414">414</a>                         <strong class="jxr_keyword">break</strong> ITEM;
+<a class="jxr_linenumber" name="L415" href="#L415">415</a>                     }
+<a class="jxr_linenumber" name="L416" href="#L416">416</a>                 }
+<a class="jxr_linenumber" name="L417" href="#L417">417</a>                 <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L418" href="#L418">418</a>             <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="L419" href="#L419">419</a>                 <em class="jxr_comment">// Should never happen.</em>
+<a class="jxr_linenumber" name="L420" href="#L420">420</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/MathInternalError.html">MathInternalError</a>();
+<a class="jxr_linenumber" name="L421" href="#L421">421</a>             }
+<a class="jxr_linenumber" name="L422" href="#L422">422</a> 
+<a class="jxr_linenumber" name="L423" href="#L423">423</a>             previous = val[index];
+<a class="jxr_linenumber" name="L424" href="#L424">424</a>         }
+<a class="jxr_linenumber" name="L425" href="#L425">425</a> 
+<a class="jxr_linenumber" name="L426" href="#L426">426</a>         <strong class="jxr_keyword">if</strong> (index == max) {
+<a class="jxr_linenumber" name="L427" href="#L427">427</a>             <em class="jxr_comment">// Loop completed.</em>
+<a class="jxr_linenumber" name="L428" href="#L428">428</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L429" href="#L429">429</a>         }
+<a class="jxr_linenumber" name="L430" href="#L430">430</a> 
+<a class="jxr_linenumber" name="L431" href="#L431">431</a>         <em class="jxr_comment">// Loop early exit means wrong ordering.</em>
+<a class="jxr_linenumber" name="L432" href="#L432">432</a>         <strong class="jxr_keyword">if</strong> (abort) {
+<a class="jxr_linenumber" name="L433" href="#L433">433</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NonMonotonicSequenceException.html">NonMonotonicSequenceException</a>(val[index], previous, index, dir, strict);
+<a class="jxr_linenumber" name="L434" href="#L434">434</a>         } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L435" href="#L435">435</a>             <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="L436" href="#L436">436</a>         }
+<a class="jxr_linenumber" name="L437" href="#L437">437</a>     }
+<a class="jxr_linenumber" name="L438" href="#L438">438</a> 
+<a class="jxr_linenumber" name="L439" href="#L439">439</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L440" href="#L440">440</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted.</em>
+<a class="jxr_linenumber" name="L441" href="#L441">441</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L442" href="#L442">442</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
+<a class="jxr_linenumber" name="L443" href="#L443">443</a> <em class="jxr_javadoccomment">     * @param dir Ordering direction.</em>
+<a class="jxr_linenumber" name="L444" href="#L444">444</a> <em class="jxr_javadoccomment">     * @param strict Whether the order should be strict.</em>
+<a class="jxr_linenumber" name="L445" href="#L445">445</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted.</em>
+<a class="jxr_linenumber" name="L446" href="#L446">446</a> <em class="jxr_javadoccomment">     * @since 2.2</em>
+<a class="jxr_linenumber" name="L447" href="#L447">447</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L448" href="#L448">448</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val, <a href="../../../../../org/apache/commons/math3/util/MathArrays.html">OrderDirection</a> dir,
+<a class="jxr_linenumber" name="L449" href="#L449">449</a>                                   <strong class="jxr_keyword">boolean</strong> strict) <strong class="jxr_keyword">throws</strong> NonMonotonicSequenceException {
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 <a class="jxr_linenumber" name="L452" href="#L452">452</a> 
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-<a class="jxr_linenumber" name="L454" href="#L454">454</a> <em class="jxr_javadoccomment">     * Throws DimensionMismatchException if the input array is not rectangular.</em>
+<a class="jxr_linenumber" name="L454" href="#L454">454</a> <em class="jxr_javadoccomment">     * Check that the given array is sorted in strictly increasing order.</em>
 <a class="jxr_linenumber" name="L455" href="#L455">455</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L456" href="#L456">456</a> <em class="jxr_javadoccomment">     * @param in array to be tested</em>
-<a class="jxr_linenumber" name="L457" href="#L457">457</a> <em class="jxr_javadoccomment">     * @throws NullArgumentException if input array is null</em>
-<a class="jxr_linenumber" name="L458" href="#L458">458</a> <em class="jxr_javadoccomment">     * @throws DimensionMismatchException if input array is not rectangular</em>
-<a class="jxr_linenumber" name="L459" href="#L459">459</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
-<a class="jxr_linenumber" name="L460" href="#L460">460</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L461" href="#L461">461</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkRectangular(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] in)
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-<a class="jxr_linenumber" name="L463" href="#L463">463</a>         MathUtils.checkNotNull(in);
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-<a class="jxr_linenumber" name="L465" href="#L465">465</a>             <strong class="jxr_keyword">if</strong> (in[i].length != in[0].length) {
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-<a class="jxr_linenumber" name="L468" href="#L468">468</a>                         in[i].length, in[0].length);
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-<a class="jxr_linenumber" name="L476" href="#L476">476</a> <em class="jxr_javadoccomment">     * @param in Array to be tested</em>
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-<a class="jxr_linenumber" name="L478" href="#L478">478</a> <em class="jxr_javadoccomment">     * strictly positive.</em>
-<a class="jxr_linenumber" name="L479" href="#L479">479</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
-<a class="jxr_linenumber" name="L480" href="#L480">480</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L481" href="#L481">481</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkPositive(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] in)
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-<a class="jxr_linenumber" name="L483" href="#L483">483</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; in.length; i++) {
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-<a class="jxr_linenumber" name="L515" href="#L515">515</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; in.length; i++) {
-<a class="jxr_linenumber" name="L516" href="#L516">516</a>             <strong class="jxr_keyword">if</strong> (in[i] &lt; 0) {
-<a class="jxr_linenumber" name="L517" href="#L517">517</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a>(in[i]);
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-<a class="jxr_linenumber" name="L523" href="#L523">523</a> <em class="jxr_javadoccomment">     * Check all entries of the input array are &gt;= 0.</em>
-<a class="jxr_linenumber" name="L524" href="#L524">524</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L525" href="#L525">525</a> <em class="jxr_javadoccomment">     * @param in Array to be tested</em>
-<a class="jxr_linenumber" name="L526" href="#L526">526</a> <em class="jxr_javadoccomment">     * @throws NotPositiveException if any array entries are less than 0.</em>
-<a class="jxr_linenumber" name="L527" href="#L527">527</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
-<a class="jxr_linenumber" name="L528" href="#L528">528</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L529" href="#L529">529</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkNonNegative(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] in)
-<a class="jxr_linenumber" name="L530" href="#L530">530</a>         <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a> {
-<a class="jxr_linenumber" name="L531" href="#L531">531</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; in.length; i ++) {
-<a class="jxr_linenumber" name="L532" href="#L532">532</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; in[i].length; j++) {
-<a class="jxr_linenumber" name="L533" href="#L533">533</a>                 <strong class="jxr_keyword">if</strong> (in[i][j] &lt; 0) {
-<a class="jxr_linenumber" name="L534" href="#L534">534</a>                     <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a>(in[i][j]);
-<a class="jxr_linenumber" name="L535" href="#L535">535</a>                 }
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-<a class="jxr_linenumber" name="L537" href="#L537">537</a>         }
-<a class="jxr_linenumber" name="L538" href="#L538">538</a>     }
-<a class="jxr_linenumber" name="L539" href="#L539">539</a> 
-<a class="jxr_linenumber" name="L540" href="#L540">540</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L541" href="#L541">541</a> <em class="jxr_javadoccomment">     * Returns the Cartesian norm (2-norm), handling both overflow and underflow.</em>
-<a class="jxr_linenumber" name="L542" href="#L542">542</a> <em class="jxr_javadoccomment">     * Translation of the minpack enorm subroutine.</em>
-<a class="jxr_linenumber" name="L543" href="#L543">543</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L544" href="#L544">544</a> <em class="jxr_javadoccomment">     * The redistribution policy for MINPACK is available</em>
-<a class="jxr_linenumber" name="L545" href="#L545">545</a> <em class="jxr_javadoccomment">     * &lt;a href="<a href="http://www.netlib.org/minpack/disclaimer" target="alexandria_uri">http://www.netlib.org/minpack/disclaimer</a>"&gt;here&lt;/a&gt;, for</em>
-<a class="jxr_linenumber" name="L546" href="#L546">546</a> <em class="jxr_javadoccomment">     * convenience, it is reproduced below.&lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L547" href="#L547">547</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L548" href="#L548">548</a> <em class="jxr_javadoccomment">     * &lt;table border="0" width="80%" cellpadding="10" align="center" bgcolor="#E0E0E0"&gt;</em>
-<a class="jxr_linenumber" name="L549" href="#L549">549</a> <em class="jxr_javadoccomment">     * &lt;tr&gt;&lt;td&gt;</em>
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-<a class="jxr_linenumber" name="L551" href="#L551">551</a> <em class="jxr_javadoccomment">     *    All rights reserved</em>
-<a class="jxr_linenumber" name="L552" href="#L552">552</a> <em class="jxr_javadoccomment">     * &lt;/td&gt;&lt;/tr&gt;</em>
-<a class="jxr_linenumber" name="L553" href="#L553">553</a> <em class="jxr_javadoccomment">     * &lt;tr&gt;&lt;td&gt;</em>
-<a class="jxr_linenumber" name="L554" href="#L554">554</a> <em class="jxr_javadoccomment">     * Redistribution and use in source and binary forms, with or without</em>
-<a class="jxr_linenumber" name="L555" href="#L555">555</a> <em class="jxr_javadoccomment">     * modification, are permitted provided that the following conditions</em>
-<a class="jxr_linenumber" name="L556" href="#L556">556</a> <em class="jxr_javadoccomment">     * are met:</em>
-<a class="jxr_linenumber" name="L557" href="#L557">557</a> <em class="jxr_javadoccomment">     * &lt;ol&gt;</em>
-<a class="jxr_linenumber" name="L558" href="#L558">558</a> <em class="jxr_javadoccomment">     *  &lt;li&gt;Redistributions of source code must retain the above copyright</em>
-<a class="jxr_linenumber" name="L559" href="#L559">559</a> <em class="jxr_javadoccomment">     *      notice, this list of conditions and the following disclaimer.&lt;/li&gt;</em>
-<a class="jxr_linenumber" name="L560" href="#L560">560</a> <em class="jxr_javadoccomment">     * &lt;li&gt;Redistributions in binary form must reproduce the above</em>
-<a class="jxr_linenumber" name="L561" href="#L561">561</a> <em class="jxr_javadoccomment">     *     copyright notice, this list of conditions and the following</em>
-<a class="jxr_linenumber" name="L562" href="#L562">562</a> <em class="jxr_javadoccomment">     *     disclaimer in the documentation and/or other materials provided</em>
-<a class="jxr_linenumber" name="L563" href="#L563">563</a> <em class="jxr_javadoccomment">     *     with the distribution.&lt;/li&gt;</em>
-<a class="jxr_linenumber" name="L564" href="#L564">564</a> <em class="jxr_javadoccomment">     * &lt;li&gt;The end-user documentation included with the redistribution, if any,</em>
-<a class="jxr_linenumber" name="L565" href="#L565">565</a> <em class="jxr_javadoccomment">     *     must include the following acknowledgment:</em>
-<a class="jxr_linenumber" name="L566" href="#L566">566</a> <em class="jxr_javadoccomment">     *     {@code This product includes software developed by the University of</em>
-<a class="jxr_linenumber" name="L567" href="#L567">567</a> <em class="jxr_javadoccomment">     *           Chicago, as Operator of Argonne National Laboratory.}</em>
-<a class="jxr_linenumber" name="L568" href="#L568">568</a> <em class="jxr_javadoccomment">     *     Alternately, this acknowledgment may appear in the software itself,</em>
-<a class="jxr_linenumber" name="L569" href="#L569">569</a> <em class="jxr_javadoccomment">     *     if and wherever such third-party acknowledgments normally appear.&lt;/li&gt;</em>
-<a class="jxr_linenumber" name="L570" href="#L570">570</a> <em class="jxr_javadoccomment">     * &lt;li&gt;&lt;strong&gt;WARRANTY DISCLAIMER. THE SOFTWARE IS SUPPLIED "AS IS"</em>
-<a class="jxr_linenumber" name="L571" href="#L571">571</a> <em class="jxr_javadoccomment">     *     WITHOUT WARRANTY OF ANY KIND. THE COPYRIGHT HOLDER, THE</em>
-<a class="jxr_linenumber" name="L572" href="#L572">572</a> <em class="jxr_javadoccomment">     *     UNITED STATES, THE UNITED STATES DEPARTMENT OF ENERGY, AND</em>
-<a class="jxr_linenumber" name="L573" href="#L573">573</a> <em class="jxr_javadoccomment">     *     THEIR EMPLOYEES: (1) DISCLAIM ANY WARRANTIES, EXPRESS OR</em>
-<a class="jxr_linenumber" name="L574" href="#L574">574</a> <em class="jxr_javadoccomment">     *     IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES</em>
-<a class="jxr_linenumber" name="L575" href="#L575">575</a> <em class="jxr_javadoccomment">     *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE</em>
-<a class="jxr_linenumber" name="L576" href="#L576">576</a> <em class="jxr_javadoccomment">     *     OR NON-INFRINGEMENT, (2) DO NOT ASSUME ANY LEGAL LIABILITY</em>
-<a class="jxr_linenumber" name="L577" href="#L577">577</a> <em class="jxr_javadoccomment">     *     OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR</em>
-<a class="jxr_linenumber" name="L578" href="#L578">578</a> <em class="jxr_javadoccomment">     *     USEFULNESS OF THE SOFTWARE, (3) DO NOT REPRESENT THAT USE OF</em>
-<a class="jxr_linenumber" name="L579" href="#L579">579</a> <em class="jxr_javadoccomment">     *     THE SOFTWARE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS, (4)</em>
-<a class="jxr_linenumber" name="L580" href="#L580">580</a> <em class="jxr_javadoccomment">     *     DO NOT WARRANT THAT THE SOFTWARE WILL FUNCTION</em>
-<a class="jxr_linenumber" name="L581" href="#L581">581</a> <em class="jxr_javadoccomment">     *     UNINTERRUPTED, THAT IT IS ERROR-FREE OR THAT ANY ERRORS WILL</em>
-<a class="jxr_linenumber" name="L582" href="#L582">582</a> <em class="jxr_javadoccomment">     *     BE CORRECTED.&lt;/strong&gt;&lt;/li&gt;</em>
-<a class="jxr_linenumber" name="L583" href="#L583">583</a> <em class="jxr_javadoccomment">     * &lt;li&gt;&lt;strong&gt;LIMITATION OF LIABILITY. IN NO EVENT WILL THE COPYRIGHT</em>
-<a class="jxr_linenumber" name="L584" href="#L584">584</a> <em class="jxr_javadoccomment">     *     HOLDER, THE UNITED STATES, THE UNITED STATES DEPARTMENT OF</em>
-<a class="jxr_linenumber" name="L585" href="#L585">585</a> <em class="jxr_javadoccomment">     *     ENERGY, OR THEIR EMPLOYEES: BE LIABLE FOR ANY INDIRECT,</em>
-<a class="jxr_linenumber" name="L586" href="#L586">586</a> <em class="jxr_javadoccomment">     *     INCIDENTAL, CONSEQUENTIAL, SPECIAL OR PUNITIVE DAMAGES OF</em>
-<a class="jxr_linenumber" name="L587" href="#L587">587</a> <em class="jxr_javadoccomment">     *     ANY KIND OR NATURE, INCLUDING BUT NOT LIMITED TO LOSS OF</em>
-<a class="jxr_linenumber" name="L588" href="#L588">588</a> <em class="jxr_javadoccomment">     *     PROFITS OR LOSS OF DATA, FOR ANY REASON WHATSOEVER, WHETHER</em>
-<a class="jxr_linenumber" name="L589" href="#L589">589</a> <em class="jxr_javadoccomment">     *     SUCH LIABILITY IS ASSERTED ON THE BASIS OF CONTRACT, TORT</em>
-<a class="jxr_linenumber" name="L590" href="#L590">590</a> <em class="jxr_javadoccomment">     *     (INCLUDING NEGLIGENCE OR STRICT LIABILITY), OR OTHERWISE,</em>
-<a class="jxr_linenumber" name="L591" href="#L591">591</a> <em class="jxr_javadoccomment">     *     EVEN IF ANY OF SAID PARTIES HAS BEEN WARNED OF THE</em>
-<a class="jxr_linenumber" name="L592" href="#L592">592</a> <em class="jxr_javadoccomment">     *     POSSIBILITY OF SUCH LOSS OR DAMAGES.&lt;/strong&gt;&lt;/li&gt;</em>
-<a class="jxr_linenumber" name="L593" href="#L593">593</a> <em class="jxr_javadoccomment">     * &lt;ol&gt;&lt;/td&gt;&lt;/tr&gt;</em>
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-<a class="jxr_linenumber" name="L595" href="#L595">595</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L596" href="#L596">596</a> <em class="jxr_javadoccomment">     * @param v Vector of doubles.</em>
-<a class="jxr_linenumber" name="L597" href="#L597">597</a> <em class="jxr_javadoccomment">     * @return the 2-norm of the vector.</em>
-<a class="jxr_linenumber" name="L598" href="#L598">598</a> <em class="jxr_javadoccomment">     * @since 2.2</em>
-<a class="jxr_linenumber" name="L599" href="#L599">599</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L600" href="#L600">600</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> safeNorm(<strong class="jxr_keyword">double</strong>[] v) {
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-<a class="jxr_linenumber" name="L603" href="#L603">603</a>         <strong class="jxr_keyword">double</strong> s1 = 0;
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-<a class="jxr_linenumber" name="L605" href="#L605">605</a>         <strong class="jxr_keyword">double</strong> s3 = 0;
-<a class="jxr_linenumber" name="L606" href="#L606">606</a>         <strong class="jxr_keyword">double</strong> x1max = 0;
-<a class="jxr_linenumber" name="L607" href="#L607">607</a>         <strong class="jxr_keyword">double</strong> x3max = 0;
-<a class="jxr_linenumber" name="L608" href="#L608">608</a>         <strong class="jxr_keyword">double</strong> floatn = v.length;
-<a class="jxr_linenumber" name="L609" href="#L609">609</a>         <strong class="jxr_keyword">double</strong> agiant = rgiant / floatn;
-<a class="jxr_linenumber" name="L610" href="#L610">610</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; v.length; i++) {
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-<a class="jxr_linenumber" name="L616" href="#L616">616</a>                         s1= 1 + s1 * r * r;
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-<a class="jxr_linenumber" name="L623" href="#L623">623</a>                     <strong class="jxr_keyword">if</strong> (xabs &gt; x3max) {
-<a class="jxr_linenumber" name="L624" href="#L624">624</a>                         <strong class="jxr_keyword">double</strong> r = x3max / xabs;
-<a class="jxr_linenumber" name="L625" href="#L625">625</a>                         s3= 1 + s3 * r * r;
-<a class="jxr_linenumber" name="L626" href="#L626">626</a>                         x3max = xabs;
-<a class="jxr_linenumber" name="L627" href="#L627">627</a>                     } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L628" href="#L628">628</a>                         <strong class="jxr_keyword">if</strong> (xabs != 0) {
-<a class="jxr_linenumber" name="L629" href="#L629">629</a>                             <strong class="jxr_keyword">double</strong> r = xabs / x3max;
-<a class="jxr_linenumber" name="L630" href="#L630">630</a>                             s3 += r * r;
-<a class="jxr_linenumber" name="L631" href="#L631">631</a>                         }
+<a class="jxr_linenumber" name="L456" href="#L456">456</a> <em class="jxr_javadoccomment">     * @param val Values.</em>
+<a class="jxr_linenumber" name="L457" href="#L457">457</a> <em class="jxr_javadoccomment">     * @throws NonMonotonicSequenceException if the array is not sorted.</em>
+<a class="jxr_linenumber" name="L458" href="#L458">458</a> <em class="jxr_javadoccomment">     * @since 2.2</em>
+<a class="jxr_linenumber" name="L459" href="#L459">459</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L460" href="#L460">460</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkOrder(<strong class="jxr_keyword">double</strong>[] val) <strong class="jxr_keyword">throws</strong> NonMonotonicSequenceException {
+<a class="jxr_linenumber" name="L461" href="#L461">461</a>         checkOrder(val, OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
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+<a class="jxr_linenumber" name="L463" href="#L463">463</a> 
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+<a class="jxr_linenumber" name="L465" href="#L465">465</a> <em class="jxr_javadoccomment">     * Throws DimensionMismatchException if the input array is not rectangular.</em>
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+<a class="jxr_linenumber" name="L467" href="#L467">467</a> <em class="jxr_javadoccomment">     * @param in array to be tested</em>
+<a class="jxr_linenumber" name="L468" href="#L468">468</a> <em class="jxr_javadoccomment">     * @throws NullArgumentException if input array is null</em>
+<a class="jxr_linenumber" name="L469" href="#L469">469</a> <em class="jxr_javadoccomment">     * @throws DimensionMismatchException if input array is not rectangular</em>
+<a class="jxr_linenumber" name="L470" href="#L470">470</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
+<a class="jxr_linenumber" name="L471" href="#L471">471</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L472" href="#L472">472</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkRectangular(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] in)
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+<a class="jxr_linenumber" name="L474" href="#L474">474</a>         MathUtils.checkNotNull(in);
+<a class="jxr_linenumber" name="L475" href="#L475">475</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i &lt; in.length; i++) {
+<a class="jxr_linenumber" name="L476" href="#L476">476</a>             <strong class="jxr_keyword">if</strong> (in[i].length != in[0].length) {
+<a class="jxr_linenumber" name="L477" href="#L477">477</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html">DimensionMismatchException</a>(
+<a class="jxr_linenumber" name="L478" href="#L478">478</a>                         LocalizedFormats.DIFFERENT_ROWS_LENGTHS,
+<a class="jxr_linenumber" name="L479" href="#L479">479</a>                         in[i].length, in[0].length);
+<a class="jxr_linenumber" name="L480" href="#L480">480</a>             }
+<a class="jxr_linenumber" name="L481" href="#L481">481</a>         }
+<a class="jxr_linenumber" name="L482" href="#L482">482</a>     }
+<a class="jxr_linenumber" name="L483" href="#L483">483</a> 
+<a class="jxr_linenumber" name="L484" href="#L484">484</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L485" href="#L485">485</a> <em class="jxr_javadoccomment">     * Check that all entries of the input array are strictly positive.</em>
+<a class="jxr_linenumber" name="L486" href="#L486">486</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L487" href="#L487">487</a> <em class="jxr_javadoccomment">     * @param in Array to be tested</em>
+<a class="jxr_linenumber" name="L488" href="#L488">488</a> <em class="jxr_javadoccomment">     * @throws NotStrictlyPositiveException if any entries of the array are not</em>
+<a class="jxr_linenumber" name="L489" href="#L489">489</a> <em class="jxr_javadoccomment">     * strictly positive.</em>
+<a class="jxr_linenumber" name="L490" href="#L490">490</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
+<a class="jxr_linenumber" name="L491" href="#L491">491</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L492" href="#L492">492</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkPositive(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] in)
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+<a class="jxr_linenumber" name="L495" href="#L495">495</a>             <strong class="jxr_keyword">if</strong> (in[i] &lt;= 0) {
+<a class="jxr_linenumber" name="L496" href="#L496">496</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html">NotStrictlyPositiveException</a>(in[i]);
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+<a class="jxr_linenumber" name="L498" href="#L498">498</a>         }
+<a class="jxr_linenumber" name="L499" href="#L499">499</a>     }
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+<a class="jxr_linenumber" name="L501" href="#L501">501</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L502" href="#L502">502</a> <em class="jxr_javadoccomment">     * Check that no entry of the input array is {@code NaN}.</em>
+<a class="jxr_linenumber" name="L503" href="#L503">503</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L504" href="#L504">504</a> <em class="jxr_javadoccomment">     * @param in Array to be tested.</em>
+<a class="jxr_linenumber" name="L505" href="#L505">505</a> <em class="jxr_javadoccomment">     * @throws NotANumberException if an entry is {@code NaN}.</em>
+<a class="jxr_linenumber" name="L506" href="#L506">506</a> <em class="jxr_javadoccomment">     * @since 3.4</em>
+<a class="jxr_linenumber" name="L507" href="#L507">507</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L508" href="#L508">508</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkNotNaN(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] in)
+<a class="jxr_linenumber" name="L509" href="#L509">509</a>         <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html">NotANumberException</a> {
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+<a class="jxr_linenumber" name="L511" href="#L511">511</a>             <strong class="jxr_keyword">if</strong> (Double.isNaN(in[i])) {
+<a class="jxr_linenumber" name="L512" href="#L512">512</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html">NotANumberException</a>();
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+<a class="jxr_linenumber" name="L515" href="#L515">515</a>     }
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+<a class="jxr_linenumber" name="L517" href="#L517">517</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L518" href="#L518">518</a> <em class="jxr_javadoccomment">     * Check that all entries of the input array are &gt;= 0.</em>
+<a class="jxr_linenumber" name="L519" href="#L519">519</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L520" href="#L520">520</a> <em class="jxr_javadoccomment">     * @param in Array to be tested</em>
+<a class="jxr_linenumber" name="L521" href="#L521">521</a> <em class="jxr_javadoccomment">     * @throws NotPositiveException if any array entries are less than 0.</em>
+<a class="jxr_linenumber" name="L522" href="#L522">522</a> <em class="jxr_javadoccomment">     * @since 3.1</em>
+<a class="jxr_linenumber" name="L523" href="#L523">523</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L524" href="#L524">524</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> checkNonNegative(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] in)
+<a class="jxr_linenumber" name="L525" href="#L525">525</a>         <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html">NotPositiveException</a> {
+<a class="jxr_linenumber" name="L526" href="#L526">526</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; in.length; i++) {
+<a class="jxr_linenumber" name="L527" href="#L527">527</a>             <strong class="jxr_keyword">if</strong> (in[i] &lt; 0) {

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