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From l..@apache.org
Subject svn commit: r961863 [30/34] - 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-test/org/apache/commons/math3/util/MathArraysTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/util/MathArraysTest.html (original)
+++ websites/production/commons/content/proper/commons-math/xref-test/org/apache/commons/math3/util/MathArraysTest.html Fri Aug 14 19:12:42 2015
@@ -181,1015 +181,1070 @@
 <a class="jxr_linenumber" name="L173" href="#L173">173</a>     }
 <a class="jxr_linenumber" name="L174" href="#L174">174</a> 
 <a class="jxr_linenumber" name="L175" href="#L175">175</a>     @Test
-<a class="jxr_linenumber" name="L176" href="#L176">176</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckOrder() {
-<a class="jxr_linenumber" name="L177" href="#L177">177</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, 2, 15},
-<a class="jxr_linenumber" name="L178" href="#L178">178</a>                              MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L179" href="#L179">179</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, 2, 2},
-<a class="jxr_linenumber" name="L180" href="#L180">180</a>                              MathArrays.OrderDirection.INCREASING, false);
-<a class="jxr_linenumber" name="L181" href="#L181">181</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, -5.5, -11, -27.5},
-<a class="jxr_linenumber" name="L182" href="#L182">182</a>                              MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L183" href="#L183">183</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 0, 0, -5.5, -11, -27.5},
-<a class="jxr_linenumber" name="L184" href="#L184">184</a>                              MathArrays.OrderDirection.DECREASING, false);
-<a class="jxr_linenumber" name="L185" href="#L185">185</a> 
-<a class="jxr_linenumber" name="L186" href="#L186">186</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L187" href="#L187">187</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, -1, 2, 15},
-<a class="jxr_linenumber" name="L188" href="#L188">188</a>                                  MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L189" href="#L189">189</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
-<a class="jxr_linenumber" name="L190" href="#L190">190</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
-<a class="jxr_linenumber" name="L191" href="#L191">191</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L192" href="#L192">192</a>         }
-<a class="jxr_linenumber" name="L193" href="#L193">193</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L194" href="#L194">194</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, -2, 2},
-<a class="jxr_linenumber" name="L195" href="#L195">195</a>                                  MathArrays.OrderDirection.INCREASING, false);
-<a class="jxr_linenumber" name="L196" href="#L196">196</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
-<a class="jxr_linenumber" name="L197" href="#L197">197</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
-<a class="jxr_linenumber" name="L198" href="#L198">198</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L199" href="#L199">199</a>         }
-<a class="jxr_linenumber" name="L200" href="#L200">200</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L201" href="#L201">201</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 3, -5.5, -11, -27.5},
-<a class="jxr_linenumber" name="L202" href="#L202">202</a>                                  MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L203" href="#L203">203</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
-<a class="jxr_linenumber" name="L204" href="#L204">204</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
-<a class="jxr_linenumber" name="L205" href="#L205">205</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L206" href="#L206">206</a>         }
-<a class="jxr_linenumber" name="L207" href="#L207">207</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L208" href="#L208">208</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, -1, 0, -5.5, -11, -27.5},
-<a class="jxr_linenumber" name="L209" href="#L209">209</a>                                  MathArrays.OrderDirection.DECREASING, false);
-<a class="jxr_linenumber" name="L210" href="#L210">210</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
-<a class="jxr_linenumber" name="L211" href="#L211">211</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
-<a class="jxr_linenumber" name="L212" href="#L212">212</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L213" href="#L213">213</a>         }
-<a class="jxr_linenumber" name="L214" href="#L214">214</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L215" href="#L215">215</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 0, -5.5, -11, -10},
-<a class="jxr_linenumber" name="L216" href="#L216">216</a>                                  MathArrays.OrderDirection.DECREASING, false);
-<a class="jxr_linenumber" name="L217" href="#L217">217</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
-<a class="jxr_linenumber" name="L218" href="#L218">218</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
-<a class="jxr_linenumber" name="L219" href="#L219">219</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L220" href="#L220">220</a>         }
-<a class="jxr_linenumber" name="L221" href="#L221">221</a>     }
-<a class="jxr_linenumber" name="L222" href="#L222">222</a> 
-<a class="jxr_linenumber" name="L223" href="#L223">223</a>     @Test
-<a class="jxr_linenumber" name="L224" href="#L224">224</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testIsMonotonic() {
-<a class="jxr_linenumber" name="L225" href="#L225">225</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -1, 2, 15 },
-<a class="jxr_linenumber" name="L226" href="#L226">226</a>                                                   MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L227" href="#L227">227</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, 0, 2, 15 },
-<a class="jxr_linenumber" name="L228" href="#L228">228</a>                                                  MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L229" href="#L229">229</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -2, 2 },
-<a class="jxr_linenumber" name="L230" href="#L230">230</a>                                                   MathArrays.OrderDirection.INCREASING, false));
-<a class="jxr_linenumber" name="L231" href="#L231">231</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -1, 2 },
-<a class="jxr_linenumber" name="L232" href="#L232">232</a>                                                  MathArrays.OrderDirection.INCREASING, false));
-<a class="jxr_linenumber" name="L233" href="#L233">233</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 3, -5.5, -11, -27.5 },
-<a class="jxr_linenumber" name="L234" href="#L234">234</a>                                                   MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L235" href="#L235">235</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 2, -5.5, -11, -27.5 },
-<a class="jxr_linenumber" name="L236" href="#L236">236</a>                                                  MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L237" href="#L237">237</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, -1, 0, -5.5, -11, -27.5 },
-<a class="jxr_linenumber" name="L238" href="#L238">238</a>                                                   MathArrays.OrderDirection.DECREASING, false));
-<a class="jxr_linenumber" name="L239" href="#L239">239</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 0, 0, -5.5, -11, -27.5 },
-<a class="jxr_linenumber" name="L240" href="#L240">240</a>                                                  MathArrays.OrderDirection.DECREASING, false));
-<a class="jxr_linenumber" name="L241" href="#L241">241</a>     }
-<a class="jxr_linenumber" name="L242" href="#L242">242</a> 
-<a class="jxr_linenumber" name="L243" href="#L243">243</a>     @Test
-<a class="jxr_linenumber" name="L244" href="#L244">244</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testIsMonotonicComparable() {
-<a class="jxr_linenumber" name="L245" href="#L245">245</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
-<a class="jxr_linenumber" name="L246" href="#L246">246</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L247" href="#L247">247</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L248" href="#L248">248</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L249" href="#L249">249</a>                                                                  <strong class="jxr_keyword">new</strong> Double(2),
-<a class="jxr_linenumber" name="L250" href="#L250">250</a>                                                                  <strong class="jxr_keyword">new</strong> Double(15) },
-<a class="jxr_linenumber" name="L251" href="#L251">251</a>                 MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L252" href="#L252">252</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
-<a class="jxr_linenumber" name="L253" href="#L253">253</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L254" href="#L254">254</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L255" href="#L255">255</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
-<a class="jxr_linenumber" name="L256" href="#L256">256</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2),
-<a class="jxr_linenumber" name="L257" href="#L257">257</a>                                                                 <strong class="jxr_keyword">new</strong> Double(15) },
-<a class="jxr_linenumber" name="L258" href="#L258">258</a>                 MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L259" href="#L259">259</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
-<a class="jxr_linenumber" name="L260" href="#L260">260</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L261" href="#L261">261</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L262" href="#L262">262</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-2),
-<a class="jxr_linenumber" name="L263" href="#L263">263</a>                                                                  <strong class="jxr_keyword">new</strong> Double(2) },
-<a class="jxr_linenumber" name="L264" href="#L264">264</a>                 MathArrays.OrderDirection.INCREASING, false));
-<a class="jxr_linenumber" name="L265" href="#L265">265</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
-<a class="jxr_linenumber" name="L266" href="#L266">266</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L267" href="#L267">267</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L268" href="#L268">268</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L269" href="#L269">269</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2) },
-<a class="jxr_linenumber" name="L270" href="#L270">270</a>                 MathArrays.OrderDirection.INCREASING, false));
-<a class="jxr_linenumber" name="L271" href="#L271">271</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
-<a class="jxr_linenumber" name="L272" href="#L272">272</a>                                                                  <strong class="jxr_keyword">new</strong> Double(3),
-<a class="jxr_linenumber" name="L273" href="#L273">273</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L274" href="#L274">274</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-11),
-<a class="jxr_linenumber" name="L275" href="#L275">275</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-27.5) },
-<a class="jxr_linenumber" name="L276" href="#L276">276</a>                 MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L277" href="#L277">277</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
-<a class="jxr_linenumber" name="L278" href="#L278">278</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2),
-<a class="jxr_linenumber" name="L279" href="#L279">279</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L280" href="#L280">280</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-11),
-<a class="jxr_linenumber" name="L281" href="#L281">281</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-27.5) },
-<a class="jxr_linenumber" name="L282" href="#L282">282</a>                 MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L283" href="#L283">283</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
-<a class="jxr_linenumber" name="L284" href="#L284">284</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
-<a class="jxr_linenumber" name="L285" href="#L285">285</a>                                                                  <strong class="jxr_keyword">new</strong> Double(0),
-<a class="jxr_linenumber" name="L286" href="#L286">286</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L287" href="#L287">287</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-11),
-<a class="jxr_linenumber" name="L288" href="#L288">288</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-27.5) },
-<a class="jxr_linenumber" name="L289" href="#L289">289</a>                 MathArrays.OrderDirection.DECREASING, false));
-<a class="jxr_linenumber" name="L290" href="#L290">290</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
-<a class="jxr_linenumber" name="L291" href="#L291">291</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
-<a class="jxr_linenumber" name="L292" href="#L292">292</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
-<a class="jxr_linenumber" name="L293" href="#L293">293</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
-<a class="jxr_linenumber" name="L294" href="#L294">294</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-11),
-<a class="jxr_linenumber" name="L295" href="#L295">295</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-27.5) },
-<a class="jxr_linenumber" name="L296" href="#L296">296</a>                 MathArrays.OrderDirection.DECREASING, false));
-<a class="jxr_linenumber" name="L297" href="#L297">297</a>     }
-<a class="jxr_linenumber" name="L298" href="#L298">298</a>     
-<a class="jxr_linenumber" name="L299" href="#L299">299</a>     @Test
-<a class="jxr_linenumber" name="L300" href="#L300">300</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckRectangular() {
-<a class="jxr_linenumber" name="L301" href="#L301">301</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] rect = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {2, 3}};
-<a class="jxr_linenumber" name="L302" href="#L302">302</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] ragged = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {2}};
-<a class="jxr_linenumber" name="L303" href="#L303">303</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L304" href="#L304">304</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {};
-<a class="jxr_linenumber" name="L305" href="#L305">305</a>         MathArrays.checkRectangular(rect);
-<a class="jxr_linenumber" name="L306" href="#L306">306</a>         MathArrays.checkRectangular(empty);
-<a class="jxr_linenumber" name="L307" href="#L307">307</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L308" href="#L308">308</a>             MathArrays.checkRectangular(ragged);
-<a class="jxr_linenumber" name="L309" href="#L309">309</a>             Assert.fail(<span class="jxr_string">"Expecting DimensionMismatchException"</span>);
-<a class="jxr_linenumber" name="L310" href="#L310">310</a>         } <strong class="jxr_keyword">catch</strong> (DimensionMismatchException ex) {
-<a class="jxr_linenumber" name="L311" href="#L311">311</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L312" href="#L312">312</a>         }
-<a class="jxr_linenumber" name="L313" href="#L313">313</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L314" href="#L314">314</a>             MathArrays.checkRectangular(nullArray);
-<a class="jxr_linenumber" name="L315" href="#L315">315</a>             Assert.fail(<span class="jxr_string">"Expecting NullArgumentException"</span>);
-<a class="jxr_linenumber" name="L316" href="#L316">316</a>         } <strong class="jxr_keyword">catch</strong> (NullArgumentException ex) {
-<a class="jxr_linenumber" name="L317" href="#L317">317</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L318" href="#L318">318</a>         } 
-<a class="jxr_linenumber" name="L319" href="#L319">319</a>     }
-<a class="jxr_linenumber" name="L320" href="#L320">320</a>     
-<a class="jxr_linenumber" name="L321" href="#L321">321</a>     @Test
-<a class="jxr_linenumber" name="L322" href="#L322">322</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckPositive() {
-<a class="jxr_linenumber" name="L323" href="#L323">323</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] positive = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {1, 2, 3};
-<a class="jxr_linenumber" name="L324" href="#L324">324</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {0, 1, 2};
-<a class="jxr_linenumber" name="L325" href="#L325">325</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L326" href="#L326">326</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {};
-<a class="jxr_linenumber" name="L327" href="#L327">327</a>         MathArrays.checkPositive(positive);
-<a class="jxr_linenumber" name="L328" href="#L328">328</a>         MathArrays.checkPositive(empty);
-<a class="jxr_linenumber" name="L329" href="#L329">329</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L330" href="#L330">330</a>             MathArrays.checkPositive(nullArray);
-<a class="jxr_linenumber" name="L331" href="#L331">331</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
-<a class="jxr_linenumber" name="L332" href="#L332">332</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
-<a class="jxr_linenumber" name="L333" href="#L333">333</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L334" href="#L334">334</a>         }
-<a class="jxr_linenumber" name="L335" href="#L335">335</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L336" href="#L336">336</a>             MathArrays.checkPositive(nonNegative);
-<a class="jxr_linenumber" name="L337" href="#L337">337</a>             Assert.fail(<span class="jxr_string">"Expecting NotStrictlyPositiveException"</span>);
-<a class="jxr_linenumber" name="L338" href="#L338">338</a>         } <strong class="jxr_keyword">catch</strong> (NotStrictlyPositiveException ex) {
-<a class="jxr_linenumber" name="L339" href="#L339">339</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L340" href="#L340">340</a>         }
-<a class="jxr_linenumber" name="L341" href="#L341">341</a>     }
-<a class="jxr_linenumber" name="L342" href="#L342">342</a>     
-<a class="jxr_linenumber" name="L343" href="#L343">343</a>     @Test
-<a class="jxr_linenumber" name="L344" href="#L344">344</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNonNegative() {
-<a class="jxr_linenumber" name="L345" href="#L345">345</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {0, 1};
-<a class="jxr_linenumber" name="L346" href="#L346">346</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] hasNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {-1};
-<a class="jxr_linenumber" name="L347" href="#L347">347</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L348" href="#L348">348</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {};
-<a class="jxr_linenumber" name="L349" href="#L349">349</a>         MathArrays.checkNonNegative(nonNegative);
-<a class="jxr_linenumber" name="L350" href="#L350">350</a>         MathArrays.checkNonNegative(empty);
-<a class="jxr_linenumber" name="L351" href="#L351">351</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L352" href="#L352">352</a>             MathArrays.checkNonNegative(nullArray);
-<a class="jxr_linenumber" name="L353" href="#L353">353</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
-<a class="jxr_linenumber" name="L354" href="#L354">354</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
-<a class="jxr_linenumber" name="L355" href="#L355">355</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L356" href="#L356">356</a>         }
-<a class="jxr_linenumber" name="L357" href="#L357">357</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L358" href="#L358">358</a>             MathArrays.checkNonNegative(hasNegative);
-<a class="jxr_linenumber" name="L359" href="#L359">359</a>             Assert.fail(<span class="jxr_string">"Expecting NotPositiveException"</span>);
-<a class="jxr_linenumber" name="L360" href="#L360">360</a>         } <strong class="jxr_keyword">catch</strong> (NotPositiveException ex) {
-<a class="jxr_linenumber" name="L361" href="#L361">361</a>             <em class="jxr_comment">// Expected</em>
-<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>     
-<a class="jxr_linenumber" name="L365" href="#L365">365</a>     @Test
-<a class="jxr_linenumber" name="L366" href="#L366">366</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNonNegative2D() {
-<a class="jxr_linenumber" name="L367" href="#L367">367</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {1, 0}};
-<a class="jxr_linenumber" name="L368" href="#L368">368</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] hasNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{-1}, {0}};
-<a class="jxr_linenumber" name="L369" href="#L369">369</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L370" href="#L370">370</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {};
-<a class="jxr_linenumber" name="L371" href="#L371">371</a>         MathArrays.checkNonNegative(nonNegative);
-<a class="jxr_linenumber" name="L372" href="#L372">372</a>         MathArrays.checkNonNegative(empty);
-<a class="jxr_linenumber" name="L373" href="#L373">373</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L374" href="#L374">374</a>             MathArrays.checkNonNegative(nullArray);
-<a class="jxr_linenumber" name="L375" href="#L375">375</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
-<a class="jxr_linenumber" name="L376" href="#L376">376</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
-<a class="jxr_linenumber" name="L377" href="#L377">377</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L378" href="#L378">378</a>         }
-<a class="jxr_linenumber" name="L379" href="#L379">379</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L380" href="#L380">380</a>             MathArrays.checkNonNegative(hasNegative);
-<a class="jxr_linenumber" name="L381" href="#L381">381</a>             Assert.fail(<span class="jxr_string">"Expecting NotPositiveException"</span>);
-<a class="jxr_linenumber" name="L382" href="#L382">382</a>         } <strong class="jxr_keyword">catch</strong> (NotPositiveException ex) {
-<a class="jxr_linenumber" name="L383" href="#L383">383</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L384" href="#L384">384</a>         }
-<a class="jxr_linenumber" name="L385" href="#L385">385</a>     }
-<a class="jxr_linenumber" name="L386" href="#L386">386</a> 
-<a class="jxr_linenumber" name="L387" href="#L387">387</a>     @Test
-<a class="jxr_linenumber" name="L388" href="#L388">388</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNotNaN() {
-<a class="jxr_linenumber" name="L389" href="#L389">389</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] withoutNaN = { Double.NEGATIVE_INFINITY,
-<a class="jxr_linenumber" name="L390" href="#L390">390</a>                                       -Double.MAX_VALUE,
-<a class="jxr_linenumber" name="L391" href="#L391">391</a>                                       -1, 0,
-<a class="jxr_linenumber" name="L392" href="#L392">392</a>                                       Double.MIN_VALUE,
-<a class="jxr_linenumber" name="L393" href="#L393">393</a>                                       FastMath.ulp(1d),
-<a class="jxr_linenumber" name="L394" href="#L394">394</a>                                       1, 3, 113, 4769,
-<a class="jxr_linenumber" name="L395" href="#L395">395</a>                                       Double.MAX_VALUE,
-<a class="jxr_linenumber" name="L396" href="#L396">396</a>                                       Double.POSITIVE_INFINITY };
-<a class="jxr_linenumber" name="L397" href="#L397">397</a> 
-<a class="jxr_linenumber" name="L398" href="#L398">398</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] withNaN = { Double.NEGATIVE_INFINITY,
-<a class="jxr_linenumber" name="L399" href="#L399">399</a>                                    -Double.MAX_VALUE,
-<a class="jxr_linenumber" name="L400" href="#L400">400</a>                                    -1, 0,
-<a class="jxr_linenumber" name="L401" href="#L401">401</a>                                    Double.MIN_VALUE,
-<a class="jxr_linenumber" name="L402" href="#L402">402</a>                                    FastMath.ulp(1d),
-<a class="jxr_linenumber" name="L403" href="#L403">403</a>                                    1, 3, 113, 4769,
-<a class="jxr_linenumber" name="L404" href="#L404">404</a>                                    Double.MAX_VALUE,
-<a class="jxr_linenumber" name="L405" href="#L405">405</a>                                    Double.POSITIVE_INFINITY,
-<a class="jxr_linenumber" name="L406" href="#L406">406</a>                                    Double.NaN };
-<a class="jxr_linenumber" name="L407" href="#L407">407</a> 
-<a class="jxr_linenumber" name="L408" href="#L408">408</a> 
-<a class="jxr_linenumber" name="L409" href="#L409">409</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L410" href="#L410">410</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {};
-<a class="jxr_linenumber" name="L411" href="#L411">411</a>         MathArrays.checkNotNaN(withoutNaN);
-<a class="jxr_linenumber" name="L412" href="#L412">412</a>         MathArrays.checkNotNaN(empty);
-<a class="jxr_linenumber" name="L413" href="#L413">413</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L414" href="#L414">414</a>             MathArrays.checkNotNaN(nullArray);
-<a class="jxr_linenumber" name="L415" href="#L415">415</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
-<a class="jxr_linenumber" name="L416" href="#L416">416</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
-<a class="jxr_linenumber" name="L417" href="#L417">417</a>             <em class="jxr_comment">// Expected</em>
-<a class="jxr_linenumber" name="L418" href="#L418">418</a>         }
-<a class="jxr_linenumber" name="L419" href="#L419">419</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L420" href="#L420">420</a>             MathArrays.checkNotNaN(withNaN);
-<a class="jxr_linenumber" name="L421" href="#L421">421</a>             Assert.fail(<span class="jxr_string">"Expecting NotANumberException"</span>);
-<a class="jxr_linenumber" name="L422" href="#L422">422</a>         } <strong class="jxr_keyword">catch</strong> (NotANumberException ex) {
-<a class="jxr_linenumber" name="L423" href="#L423">423</a>             <em class="jxr_comment">// Expected</em>
-<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> 
-<a class="jxr_linenumber" name="L427" href="#L427">427</a>     @Test
-<a class="jxr_linenumber" name="L428" href="#L428">428</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSortInPlace() {
-<a class="jxr_linenumber" name="L429" href="#L429">429</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x1 = {2,   5,  -3, 1,  4};
-<a class="jxr_linenumber" name="L430" href="#L430">430</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x2 = {4,  25,   9, 1, 16};
-<a class="jxr_linenumber" name="L431" href="#L431">431</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x3 = {8, 125, -27, 1, 64};
-<a class="jxr_linenumber" name="L432" href="#L432">432</a> 
-<a class="jxr_linenumber" name="L433" href="#L433">433</a>         MathArrays.sortInPlace(x1, x2, x3);
-<a class="jxr_linenumber" name="L434" href="#L434">434</a> 
-<a class="jxr_linenumber" name="L435" href="#L435">435</a>         Assert.assertEquals(-3,  x1[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L436" href="#L436">436</a>         Assert.assertEquals(9,   x2[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L437" href="#L437">437</a>         Assert.assertEquals(-27, x3[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L438" href="#L438">438</a> 
-<a class="jxr_linenumber" name="L439" href="#L439">439</a>         Assert.assertEquals(1, x1[1], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L440" href="#L440">440</a>         Assert.assertEquals(1, x2[1], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L441" href="#L441">441</a>         Assert.assertEquals(1, x3[1], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L442" href="#L442">442</a> 
-<a class="jxr_linenumber" name="L443" href="#L443">443</a>         Assert.assertEquals(2, x1[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L444" href="#L444">444</a>         Assert.assertEquals(4, x2[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L445" href="#L445">445</a>         Assert.assertEquals(8, x3[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L446" href="#L446">446</a> 
-<a class="jxr_linenumber" name="L447" href="#L447">447</a>         Assert.assertEquals(4,  x1[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L448" href="#L448">448</a>         Assert.assertEquals(16, x2[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L449" href="#L449">449</a>         Assert.assertEquals(64, x3[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L450" href="#L450">450</a> 
-<a class="jxr_linenumber" name="L451" href="#L451">451</a>         Assert.assertEquals(5,   x1[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L452" href="#L452">452</a>         Assert.assertEquals(25,  x2[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L453" href="#L453">453</a>         Assert.assertEquals(125, x3[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L454" href="#L454">454</a>     }
-<a class="jxr_linenumber" name="L455" href="#L455">455</a> 
-<a class="jxr_linenumber" name="L456" href="#L456">456</a>     @Test
-<a class="jxr_linenumber" name="L457" href="#L457">457</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSortInPlaceDecresasingOrder() {
-<a class="jxr_linenumber" name="L458" href="#L458">458</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x1 = {2,   5,  -3, 1,  4};
-<a class="jxr_linenumber" name="L459" href="#L459">459</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x2 = {4,  25,   9, 1, 16};
-<a class="jxr_linenumber" name="L460" href="#L460">460</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x3 = {8, 125, -27, 1, 64};
-<a class="jxr_linenumber" name="L461" href="#L461">461</a> 
-<a class="jxr_linenumber" name="L462" href="#L462">462</a>         MathArrays.sortInPlace(x1,
-<a class="jxr_linenumber" name="L463" href="#L463">463</a>                                MathArrays.OrderDirection.DECREASING,
-<a class="jxr_linenumber" name="L464" href="#L464">464</a>                                x2, x3);
-<a class="jxr_linenumber" name="L465" href="#L465">465</a> 
-<a class="jxr_linenumber" name="L466" href="#L466">466</a>         Assert.assertEquals(-3,  x1[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L467" href="#L467">467</a>         Assert.assertEquals(9,   x2[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L468" href="#L468">468</a>         Assert.assertEquals(-27, x3[4], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L469" href="#L469">469</a> 
-<a class="jxr_linenumber" name="L470" href="#L470">470</a>         Assert.assertEquals(1, x1[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L471" href="#L471">471</a>         Assert.assertEquals(1, x2[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L472" href="#L472">472</a>         Assert.assertEquals(1, x3[3], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L473" href="#L473">473</a> 
-<a class="jxr_linenumber" name="L474" href="#L474">474</a>         Assert.assertEquals(2, x1[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L475" href="#L475">475</a>         Assert.assertEquals(4, x2[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L476" href="#L476">476</a>         Assert.assertEquals(8, x3[2], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L477" href="#L477">477</a> 
-<a class="jxr_linenumber" name="L478" href="#L478">478</a>         Assert.assertEquals(4,  x1[1], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L479" href="#L479">479</a>         Assert.assertEquals(16, x2[1], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L480" href="#L480">480</a>         Assert.assertEquals(64, x3[1], FastMath.ulp(1d));
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCosAngle2D() {
+<a class="jxr_linenumber" name="L177" href="#L177">177</a>         <strong class="jxr_keyword">double</strong> expected;
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> 
+<a class="jxr_linenumber" name="L179" href="#L179">179</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v1 = { 1, 0 };
+<a class="jxr_linenumber" name="L180" href="#L180">180</a>         expected = 1;
+<a class="jxr_linenumber" name="L181" href="#L181">181</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v1), 0d);
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> 
+<a class="jxr_linenumber" name="L183" href="#L183">183</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v2 = { 0, 1 };
+<a class="jxr_linenumber" name="L184" href="#L184">184</a>         expected = 0;
+<a class="jxr_linenumber" name="L185" href="#L185">185</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v2), 0d);
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> 
+<a class="jxr_linenumber" name="L187" href="#L187">187</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v3 = { 7, 7 };
+<a class="jxr_linenumber" name="L188" href="#L188">188</a>         expected = Math.sqrt(2) / 2;
+<a class="jxr_linenumber" name="L189" href="#L189">189</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v3), 1e-15);
+<a class="jxr_linenumber" name="L190" href="#L190">190</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v3, v2), 1e-15);
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> 
+<a class="jxr_linenumber" name="L192" href="#L192">192</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v4 = { -5, 0 };
+<a class="jxr_linenumber" name="L193" href="#L193">193</a>         expected = -1;
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v4), 0);
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> 
+<a class="jxr_linenumber" name="L196" href="#L196">196</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v5 = { -100, 100 };
+<a class="jxr_linenumber" name="L197" href="#L197">197</a>         expected = 0;
+<a class="jxr_linenumber" name="L198" href="#L198">198</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v3, v5), 0);
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>     }
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> 
+<a class="jxr_linenumber" name="L201" href="#L201">201</a>     @Test
+<a class="jxr_linenumber" name="L202" href="#L202">202</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCosAngle3D() {
+<a class="jxr_linenumber" name="L203" href="#L203">203</a>         <strong class="jxr_keyword">double</strong> expected;
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> 
+<a class="jxr_linenumber" name="L205" href="#L205">205</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v1 = { 1, 1, 0 };
+<a class="jxr_linenumber" name="L206" href="#L206">206</a>         expected = 1;
+<a class="jxr_linenumber" name="L207" href="#L207">207</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v1), 1e-15);
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> 
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v2 = { 1, 1, 1 };
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>         expected = Math.sqrt(2) / Math.sqrt(3);
+<a class="jxr_linenumber" name="L211" href="#L211">211</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v2), 1e-15);
+<a class="jxr_linenumber" name="L212" href="#L212">212</a>     }
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> 
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>     @Test
+<a class="jxr_linenumber" name="L215" href="#L215">215</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCosAngleExtreme() {
+<a class="jxr_linenumber" name="L216" href="#L216">216</a>         <strong class="jxr_keyword">double</strong> expected;
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> 
+<a class="jxr_linenumber" name="L218" href="#L218">218</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> tiny = 1e-200;
+<a class="jxr_linenumber" name="L219" href="#L219">219</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v1 = { tiny, tiny };
+<a class="jxr_linenumber" name="L220" href="#L220">220</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong> big = 1e200;
+<a class="jxr_linenumber" name="L221" href="#L221">221</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v2 = { -big, -big };
+<a class="jxr_linenumber" name="L222" href="#L222">222</a>         expected = -1;
+<a class="jxr_linenumber" name="L223" href="#L223">223</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v2), 1e-15);
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> 
+<a class="jxr_linenumber" name="L225" href="#L225">225</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] v3 = { big, -big };
+<a class="jxr_linenumber" name="L226" href="#L226">226</a>         expected = 0;
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>         Assert.assertEquals(expected, MathArrays.cosAngle(v1, v3), 1e-15);
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>     }
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> 
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>     @Test
+<a class="jxr_linenumber" name="L231" href="#L231">231</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckOrder() {
+<a class="jxr_linenumber" name="L232" href="#L232">232</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, 2, 15},
+<a class="jxr_linenumber" name="L233" href="#L233">233</a>                              MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L234" href="#L234">234</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, 2, 2},
+<a class="jxr_linenumber" name="L235" href="#L235">235</a>                              MathArrays.OrderDirection.INCREASING, false);
+<a class="jxr_linenumber" name="L236" href="#L236">236</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, -5.5, -11, -27.5},
+<a class="jxr_linenumber" name="L237" href="#L237">237</a>                              MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L238" href="#L238">238</a>         MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 0, 0, -5.5, -11, -27.5},
+<a class="jxr_linenumber" name="L239" href="#L239">239</a>                              MathArrays.OrderDirection.DECREASING, false);
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> 
+<a class="jxr_linenumber" name="L241" href="#L241">241</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L242" href="#L242">242</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, -1, 2, 15},
+<a class="jxr_linenumber" name="L243" href="#L243">243</a>                                  MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L244" href="#L244">244</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
+<a class="jxr_linenumber" name="L245" href="#L245">245</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
+<a class="jxr_linenumber" name="L246" href="#L246">246</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a>         }
+<a class="jxr_linenumber" name="L248" href="#L248">248</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L249" href="#L249">249</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {-15, -5.5, -1, -2, 2},
+<a class="jxr_linenumber" name="L250" href="#L250">250</a>                                  MathArrays.OrderDirection.INCREASING, false);
+<a class="jxr_linenumber" name="L251" href="#L251">251</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
+<a class="jxr_linenumber" name="L252" href="#L252">252</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
+<a class="jxr_linenumber" name="L253" href="#L253">253</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L254" href="#L254">254</a>         }
+<a class="jxr_linenumber" name="L255" href="#L255">255</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L256" href="#L256">256</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 3, -5.5, -11, -27.5},
+<a class="jxr_linenumber" name="L257" href="#L257">257</a>                                  MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="L258" href="#L258">258</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
+<a class="jxr_linenumber" name="L259" href="#L259">259</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
+<a class="jxr_linenumber" name="L260" href="#L260">260</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a>         }
+<a class="jxr_linenumber" name="L262" href="#L262">262</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L263" href="#L263">263</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, -1, 0, -5.5, -11, -27.5},
+<a class="jxr_linenumber" name="L264" href="#L264">264</a>                                  MathArrays.OrderDirection.DECREASING, false);
+<a class="jxr_linenumber" name="L265" href="#L265">265</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
+<a class="jxr_linenumber" name="L266" href="#L266">266</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
+<a class="jxr_linenumber" name="L267" href="#L267">267</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L268" href="#L268">268</a>         }
+<a class="jxr_linenumber" name="L269" href="#L269">269</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L270" href="#L270">270</a>             MathArrays.checkOrder(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {3, 0, -5.5, -11, -10},
+<a class="jxr_linenumber" name="L271" href="#L271">271</a>                                  MathArrays.OrderDirection.DECREASING, false);
+<a class="jxr_linenumber" name="L272" href="#L272">272</a>             Assert.fail(<span class="jxr_string">"an exception should have been thrown"</span>);
+<a class="jxr_linenumber" name="L273" href="#L273">273</a>         } <strong class="jxr_keyword">catch</strong> (NonMonotonicSequenceException e) {
+<a class="jxr_linenumber" name="L274" href="#L274">274</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a>         }
+<a class="jxr_linenumber" name="L276" href="#L276">276</a>     }
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> 
+<a class="jxr_linenumber" name="L278" href="#L278">278</a>     @Test
+<a class="jxr_linenumber" name="L279" href="#L279">279</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testIsMonotonic() {
+<a class="jxr_linenumber" name="L280" href="#L280">280</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -1, 2, 15 },
+<a class="jxr_linenumber" name="L281" href="#L281">281</a>                                                   MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L282" href="#L282">282</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, 0, 2, 15 },
+<a class="jxr_linenumber" name="L283" href="#L283">283</a>                                                  MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L284" href="#L284">284</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -2, 2 },
+<a class="jxr_linenumber" name="L285" href="#L285">285</a>                                                   MathArrays.OrderDirection.INCREASING, false));
+<a class="jxr_linenumber" name="L286" href="#L286">286</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { -15, -5.5, -1, -1, 2 },
+<a class="jxr_linenumber" name="L287" href="#L287">287</a>                                                  MathArrays.OrderDirection.INCREASING, false));
+<a class="jxr_linenumber" name="L288" href="#L288">288</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 3, -5.5, -11, -27.5 },
+<a class="jxr_linenumber" name="L289" href="#L289">289</a>                                                   MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L290" href="#L290">290</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 2, -5.5, -11, -27.5 },
+<a class="jxr_linenumber" name="L291" href="#L291">291</a>                                                  MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L292" href="#L292">292</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, -1, 0, -5.5, -11, -27.5 },
+<a class="jxr_linenumber" name="L293" href="#L293">293</a>                                                   MathArrays.OrderDirection.DECREASING, false));
+<a class="jxr_linenumber" name="L294" href="#L294">294</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] { 3, 0, 0, -5.5, -11, -27.5 },
+<a class="jxr_linenumber" name="L295" href="#L295">295</a>                                                  MathArrays.OrderDirection.DECREASING, false));
+<a class="jxr_linenumber" name="L296" href="#L296">296</a>     }
+<a class="jxr_linenumber" name="L297" href="#L297">297</a> 
+<a class="jxr_linenumber" name="L298" href="#L298">298</a>     @Test
+<a class="jxr_linenumber" name="L299" href="#L299">299</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testIsMonotonicComparable() {
+<a class="jxr_linenumber" name="L300" href="#L300">300</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
+<a class="jxr_linenumber" name="L301" href="#L301">301</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L302" href="#L302">302</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L303" href="#L303">303</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L304" href="#L304">304</a>                                                                  <strong class="jxr_keyword">new</strong> Double(2),
+<a class="jxr_linenumber" name="L305" href="#L305">305</a>                                                                  <strong class="jxr_keyword">new</strong> Double(15) },
+<a class="jxr_linenumber" name="L306" href="#L306">306</a>                 MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L307" href="#L307">307</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
+<a class="jxr_linenumber" name="L308" href="#L308">308</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L309" href="#L309">309</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L310" href="#L310">310</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
+<a class="jxr_linenumber" name="L311" href="#L311">311</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2),
+<a class="jxr_linenumber" name="L312" href="#L312">312</a>                                                                 <strong class="jxr_keyword">new</strong> Double(15) },
+<a class="jxr_linenumber" name="L313" href="#L313">313</a>                 MathArrays.OrderDirection.INCREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L314" href="#L314">314</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
+<a class="jxr_linenumber" name="L315" href="#L315">315</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L316" href="#L316">316</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L317" href="#L317">317</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-2),
+<a class="jxr_linenumber" name="L318" href="#L318">318</a>                                                                  <strong class="jxr_keyword">new</strong> Double(2) },
+<a class="jxr_linenumber" name="L319" href="#L319">319</a>                 MathArrays.OrderDirection.INCREASING, false));
+<a class="jxr_linenumber" name="L320" href="#L320">320</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(-15),
+<a class="jxr_linenumber" name="L321" href="#L321">321</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L322" href="#L322">322</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L323" href="#L323">323</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L324" href="#L324">324</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2) },
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>                 MathArrays.OrderDirection.INCREASING, false));
+<a class="jxr_linenumber" name="L326" href="#L326">326</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
+<a class="jxr_linenumber" name="L327" href="#L327">327</a>                                                                  <strong class="jxr_keyword">new</strong> Double(3),
+<a class="jxr_linenumber" name="L328" href="#L328">328</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L329" href="#L329">329</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-11),
+<a class="jxr_linenumber" name="L330" href="#L330">330</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-27.5) },
+<a class="jxr_linenumber" name="L331" href="#L331">331</a>                 MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L332" href="#L332">332</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
+<a class="jxr_linenumber" name="L333" href="#L333">333</a>                                                                 <strong class="jxr_keyword">new</strong> Double(2),
+<a class="jxr_linenumber" name="L334" href="#L334">334</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L335" href="#L335">335</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-11),
+<a class="jxr_linenumber" name="L336" href="#L336">336</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-27.5) },
+<a class="jxr_linenumber" name="L337" href="#L337">337</a>                 MathArrays.OrderDirection.DECREASING, <strong class="jxr_keyword">true</strong>));
+<a class="jxr_linenumber" name="L338" href="#L338">338</a>         Assert.assertFalse(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
+<a class="jxr_linenumber" name="L339" href="#L339">339</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-1),
+<a class="jxr_linenumber" name="L340" href="#L340">340</a>                                                                  <strong class="jxr_keyword">new</strong> Double(0),
+<a class="jxr_linenumber" name="L341" href="#L341">341</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L342" href="#L342">342</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-11),
+<a class="jxr_linenumber" name="L343" href="#L343">343</a>                                                                  <strong class="jxr_keyword">new</strong> Double(-27.5) },
+<a class="jxr_linenumber" name="L344" href="#L344">344</a>                 MathArrays.OrderDirection.DECREASING, false));
+<a class="jxr_linenumber" name="L345" href="#L345">345</a>         Assert.assertTrue(MathArrays.isMonotonic(<strong class="jxr_keyword">new</strong> Double[] { <strong class="jxr_keyword">new</strong> Double(3),
+<a class="jxr_linenumber" name="L346" href="#L346">346</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
+<a class="jxr_linenumber" name="L347" href="#L347">347</a>                                                                 <strong class="jxr_keyword">new</strong> Double(0),
+<a class="jxr_linenumber" name="L348" href="#L348">348</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-5.5),
+<a class="jxr_linenumber" name="L349" href="#L349">349</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-11),
+<a class="jxr_linenumber" name="L350" href="#L350">350</a>                                                                 <strong class="jxr_keyword">new</strong> Double(-27.5) },
+<a class="jxr_linenumber" name="L351" href="#L351">351</a>                 MathArrays.OrderDirection.DECREASING, false));
+<a class="jxr_linenumber" name="L352" href="#L352">352</a>     }
+<a class="jxr_linenumber" name="L353" href="#L353">353</a>     
+<a class="jxr_linenumber" name="L354" href="#L354">354</a>     @Test
+<a class="jxr_linenumber" name="L355" href="#L355">355</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckRectangular() {
+<a class="jxr_linenumber" name="L356" href="#L356">356</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] rect = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {2, 3}};
+<a class="jxr_linenumber" name="L357" href="#L357">357</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] ragged = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {2}};
+<a class="jxr_linenumber" name="L358" href="#L358">358</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nullArray = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L359" href="#L359">359</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {};
+<a class="jxr_linenumber" name="L360" href="#L360">360</a>         MathArrays.checkRectangular(rect);
+<a class="jxr_linenumber" name="L361" href="#L361">361</a>         MathArrays.checkRectangular(empty);
+<a class="jxr_linenumber" name="L362" href="#L362">362</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L363" href="#L363">363</a>             MathArrays.checkRectangular(ragged);
+<a class="jxr_linenumber" name="L364" href="#L364">364</a>             Assert.fail(<span class="jxr_string">"Expecting DimensionMismatchException"</span>);
+<a class="jxr_linenumber" name="L365" href="#L365">365</a>         } <strong class="jxr_keyword">catch</strong> (DimensionMismatchException ex) {
+<a class="jxr_linenumber" name="L366" href="#L366">366</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L367" href="#L367">367</a>         }
+<a class="jxr_linenumber" name="L368" href="#L368">368</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L369" href="#L369">369</a>             MathArrays.checkRectangular(nullArray);
+<a class="jxr_linenumber" name="L370" href="#L370">370</a>             Assert.fail(<span class="jxr_string">"Expecting NullArgumentException"</span>);
+<a class="jxr_linenumber" name="L371" href="#L371">371</a>         } <strong class="jxr_keyword">catch</strong> (NullArgumentException ex) {
+<a class="jxr_linenumber" name="L372" href="#L372">372</a>             <em class="jxr_comment">// Expected</em>
+<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>     
+<a class="jxr_linenumber" name="L376" href="#L376">376</a>     @Test
+<a class="jxr_linenumber" name="L377" href="#L377">377</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckPositive() {
+<a class="jxr_linenumber" name="L378" href="#L378">378</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] positive = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {1, 2, 3};
+<a class="jxr_linenumber" name="L379" href="#L379">379</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {0, 1, 2};
+<a class="jxr_linenumber" name="L380" href="#L380">380</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L381" href="#L381">381</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {};
+<a class="jxr_linenumber" name="L382" href="#L382">382</a>         MathArrays.checkPositive(positive);
+<a class="jxr_linenumber" name="L383" href="#L383">383</a>         MathArrays.checkPositive(empty);
+<a class="jxr_linenumber" name="L384" href="#L384">384</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L385" href="#L385">385</a>             MathArrays.checkPositive(nullArray);
+<a class="jxr_linenumber" name="L386" href="#L386">386</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
+<a class="jxr_linenumber" name="L387" href="#L387">387</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
+<a class="jxr_linenumber" name="L388" href="#L388">388</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L389" href="#L389">389</a>         }
+<a class="jxr_linenumber" name="L390" href="#L390">390</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L391" href="#L391">391</a>             MathArrays.checkPositive(nonNegative);
+<a class="jxr_linenumber" name="L392" href="#L392">392</a>             Assert.fail(<span class="jxr_string">"Expecting NotStrictlyPositiveException"</span>);
+<a class="jxr_linenumber" name="L393" href="#L393">393</a>         } <strong class="jxr_keyword">catch</strong> (NotStrictlyPositiveException ex) {
+<a class="jxr_linenumber" name="L394" href="#L394">394</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L395" href="#L395">395</a>         }
+<a class="jxr_linenumber" name="L396" href="#L396">396</a>     }
+<a class="jxr_linenumber" name="L397" href="#L397">397</a>     
+<a class="jxr_linenumber" name="L398" href="#L398">398</a>     @Test
+<a class="jxr_linenumber" name="L399" href="#L399">399</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNonNegative() {
+<a class="jxr_linenumber" name="L400" href="#L400">400</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {0, 1};
+<a class="jxr_linenumber" name="L401" href="#L401">401</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] hasNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {-1};
+<a class="jxr_linenumber" name="L402" href="#L402">402</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L403" href="#L403">403</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[] {};
+<a class="jxr_linenumber" name="L404" href="#L404">404</a>         MathArrays.checkNonNegative(nonNegative);
+<a class="jxr_linenumber" name="L405" href="#L405">405</a>         MathArrays.checkNonNegative(empty);
+<a class="jxr_linenumber" name="L406" href="#L406">406</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L407" href="#L407">407</a>             MathArrays.checkNonNegative(nullArray);
+<a class="jxr_linenumber" name="L408" href="#L408">408</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
+<a class="jxr_linenumber" name="L409" href="#L409">409</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
+<a class="jxr_linenumber" name="L410" href="#L410">410</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L411" href="#L411">411</a>         }
+<a class="jxr_linenumber" name="L412" href="#L412">412</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L413" href="#L413">413</a>             MathArrays.checkNonNegative(hasNegative);
+<a class="jxr_linenumber" name="L414" href="#L414">414</a>             Assert.fail(<span class="jxr_string">"Expecting NotPositiveException"</span>);
+<a class="jxr_linenumber" name="L415" href="#L415">415</a>         } <strong class="jxr_keyword">catch</strong> (NotPositiveException ex) {
+<a class="jxr_linenumber" name="L416" href="#L416">416</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L417" href="#L417">417</a>         }
+<a class="jxr_linenumber" name="L418" href="#L418">418</a>     }
+<a class="jxr_linenumber" name="L419" href="#L419">419</a>     
+<a class="jxr_linenumber" name="L420" href="#L420">420</a>     @Test
+<a class="jxr_linenumber" name="L421" href="#L421">421</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNonNegative2D() {
+<a class="jxr_linenumber" name="L422" href="#L422">422</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nonNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{0, 1}, {1, 0}};
+<a class="jxr_linenumber" name="L423" href="#L423">423</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] hasNegative = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {{-1}, {0}};
+<a class="jxr_linenumber" name="L424" href="#L424">424</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] nullArray = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L425" href="#L425">425</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>[][] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">long</strong>[][] {};
+<a class="jxr_linenumber" name="L426" href="#L426">426</a>         MathArrays.checkNonNegative(nonNegative);
+<a class="jxr_linenumber" name="L427" href="#L427">427</a>         MathArrays.checkNonNegative(empty);
+<a class="jxr_linenumber" name="L428" href="#L428">428</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L429" href="#L429">429</a>             MathArrays.checkNonNegative(nullArray);
+<a class="jxr_linenumber" name="L430" href="#L430">430</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
+<a class="jxr_linenumber" name="L431" href="#L431">431</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
+<a class="jxr_linenumber" name="L432" href="#L432">432</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L433" href="#L433">433</a>         }
+<a class="jxr_linenumber" name="L434" href="#L434">434</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L435" href="#L435">435</a>             MathArrays.checkNonNegative(hasNegative);
+<a class="jxr_linenumber" name="L436" href="#L436">436</a>             Assert.fail(<span class="jxr_string">"Expecting NotPositiveException"</span>);
+<a class="jxr_linenumber" name="L437" href="#L437">437</a>         } <strong class="jxr_keyword">catch</strong> (NotPositiveException ex) {
+<a class="jxr_linenumber" name="L438" href="#L438">438</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L439" href="#L439">439</a>         }
+<a class="jxr_linenumber" name="L440" href="#L440">440</a>     }
+<a class="jxr_linenumber" name="L441" href="#L441">441</a> 
+<a class="jxr_linenumber" name="L442" href="#L442">442</a>     @Test
+<a class="jxr_linenumber" name="L443" href="#L443">443</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCheckNotNaN() {
+<a class="jxr_linenumber" name="L444" href="#L444">444</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] withoutNaN = { Double.NEGATIVE_INFINITY,
+<a class="jxr_linenumber" name="L445" href="#L445">445</a>                                       -Double.MAX_VALUE,
+<a class="jxr_linenumber" name="L446" href="#L446">446</a>                                       -1, 0,
+<a class="jxr_linenumber" name="L447" href="#L447">447</a>                                       Double.MIN_VALUE,
+<a class="jxr_linenumber" name="L448" href="#L448">448</a>                                       FastMath.ulp(1d),
+<a class="jxr_linenumber" name="L449" href="#L449">449</a>                                       1, 3, 113, 4769,
+<a class="jxr_linenumber" name="L450" href="#L450">450</a>                                       Double.MAX_VALUE,
+<a class="jxr_linenumber" name="L451" href="#L451">451</a>                                       Double.POSITIVE_INFINITY };
+<a class="jxr_linenumber" name="L452" href="#L452">452</a> 
+<a class="jxr_linenumber" name="L453" href="#L453">453</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] withNaN = { Double.NEGATIVE_INFINITY,
+<a class="jxr_linenumber" name="L454" href="#L454">454</a>                                    -Double.MAX_VALUE,
+<a class="jxr_linenumber" name="L455" href="#L455">455</a>                                    -1, 0,
+<a class="jxr_linenumber" name="L456" href="#L456">456</a>                                    Double.MIN_VALUE,
+<a class="jxr_linenumber" name="L457" href="#L457">457</a>                                    FastMath.ulp(1d),
+<a class="jxr_linenumber" name="L458" href="#L458">458</a>                                    1, 3, 113, 4769,
+<a class="jxr_linenumber" name="L459" href="#L459">459</a>                                    Double.MAX_VALUE,
+<a class="jxr_linenumber" name="L460" href="#L460">460</a>                                    Double.POSITIVE_INFINITY,
+<a class="jxr_linenumber" name="L461" href="#L461">461</a>                                    Double.NaN };
+<a class="jxr_linenumber" name="L462" href="#L462">462</a> 
+<a class="jxr_linenumber" name="L463" href="#L463">463</a> 
+<a class="jxr_linenumber" name="L464" href="#L464">464</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L465" href="#L465">465</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] empty = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">double</strong>[] {};
+<a class="jxr_linenumber" name="L466" href="#L466">466</a>         MathArrays.checkNotNaN(withoutNaN);
+<a class="jxr_linenumber" name="L467" href="#L467">467</a>         MathArrays.checkNotNaN(empty);
+<a class="jxr_linenumber" name="L468" href="#L468">468</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L469" href="#L469">469</a>             MathArrays.checkNotNaN(nullArray);
+<a class="jxr_linenumber" name="L470" href="#L470">470</a>             Assert.fail(<span class="jxr_string">"Expecting NullPointerException"</span>);
+<a class="jxr_linenumber" name="L471" href="#L471">471</a>         } <strong class="jxr_keyword">catch</strong> (NullPointerException ex) {
+<a class="jxr_linenumber" name="L472" href="#L472">472</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L473" href="#L473">473</a>         }
+<a class="jxr_linenumber" name="L474" href="#L474">474</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L475" href="#L475">475</a>             MathArrays.checkNotNaN(withNaN);
+<a class="jxr_linenumber" name="L476" href="#L476">476</a>             Assert.fail(<span class="jxr_string">"Expecting NotANumberException"</span>);
+<a class="jxr_linenumber" name="L477" href="#L477">477</a>         } <strong class="jxr_keyword">catch</strong> (NotANumberException ex) {
+<a class="jxr_linenumber" name="L478" href="#L478">478</a>             <em class="jxr_comment">// Expected</em>
+<a class="jxr_linenumber" name="L479" href="#L479">479</a>         }
+<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>         Assert.assertEquals(5,   x1[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L483" href="#L483">483</a>         Assert.assertEquals(25,  x2[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L484" href="#L484">484</a>         Assert.assertEquals(125, x3[0], FastMath.ulp(1d));
-<a class="jxr_linenumber" name="L485" href="#L485">485</a>     }
-<a class="jxr_linenumber" name="L486" href="#L486">486</a>     
-<a class="jxr_linenumber" name="L487" href="#L487">487</a>     @Test
-<a class="jxr_linenumber" name="L488" href="#L488">488</a>     <em class="jxr_javadoccomment">/** Example in javadoc */</em>
-<a class="jxr_linenumber" name="L489" href="#L489">489</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSortInPlaceExample() {
-<a class="jxr_linenumber" name="L490" href="#L490">490</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] x = {3, 1, 2};
-<a class="jxr_linenumber" name="L491" href="#L491">491</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] y = {1, 2, 3};
-<a class="jxr_linenumber" name="L492" href="#L492">492</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] z = {0, 5, 7};
-<a class="jxr_linenumber" name="L493" href="#L493">493</a>         MathArrays.sortInPlace(x, y, z);
-<a class="jxr_linenumber" name="L494" href="#L494">494</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] sx = {1, 2, 3};
-<a class="jxr_linenumber" name="L495" href="#L495">495</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] sy = {2, 3, 1};
-<a class="jxr_linenumber" name="L496" href="#L496">496</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] sz = {5, 7, 0};
-<a class="jxr_linenumber" name="L497" href="#L497">497</a>         Assert.assertTrue(Arrays.equals(sx, x));
-<a class="jxr_linenumber" name="L498" href="#L498">498</a>         Assert.assertTrue(Arrays.equals(sy, y));
-<a class="jxr_linenumber" name="L499" href="#L499">499</a>         Assert.assertTrue(Arrays.equals(sz, z));
-<a class="jxr_linenumber" name="L500" href="#L500">500</a>     }
-<a class="jxr_linenumber" name="L501" href="#L501">501</a>     
-<a class="jxr_linenumber" name="L502" href="#L502">502</a>     @Test
-<a class="jxr_linenumber" name="L503" href="#L503">503</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSortInPlaceFailures() {
-<a class="jxr_linenumber" name="L504" href="#L504">504</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] nullArray = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L505" href="#L505">505</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] one = {1};
-<a class="jxr_linenumber" name="L506" href="#L506">506</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] two = {1, 2};
-<a class="jxr_linenumber" name="L507" href="#L507">507</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">double</strong>[] onep = {2};
-<a class="jxr_linenumber" name="L508" href="#L508">508</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L509" href="#L509">509</a>             MathArrays.sortInPlace(one, two);
-<a class="jxr_linenumber" name="L510" href="#L510">510</a>             Assert.fail(<span class="jxr_string">"Expecting DimensionMismatchException"</span>);
-<a class="jxr_linenumber" name="L511" href="#L511">511</a>         } <strong class="jxr_keyword">catch</strong> (DimensionMismatchException ex) {
-<a class="jxr_linenumber" name="L512" href="#L512">512</a>             <em class="jxr_comment">// expected</em>
-<a class="jxr_linenumber" name="L513" href="#L513">513</a>         }

[... 1419 lines stripped ...]


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