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Posted to commits@commons.apache.org by lu...@apache.org on 2013/04/07 01:42:02 UTC
svn commit: r857558 [33/39] - in
/websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3:
./ analysis/ analysis/differentiation/ analysis/interpolation/ complex/
dfp/ distribution/ distribution/fitting/ ex...
Propchange: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/RandomDataGeneratorTest.html
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svn:eol-style = native
Propchange: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/RandomDataGeneratorTest.html
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svn:keywords = Author Date Id Revision
Modified: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/RandomGeneratorAbstractTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/RandomGeneratorAbstractTest.html (original)
+++ websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/RandomGeneratorAbstractTest.html Sat Apr 6 23:42:01 2013
@@ -41,10 +41,10 @@
<FONT color="green">038</FONT> * makeGenerator() to provide a concrete generator to test. The generator<a name="line.38"></a>
<FONT color="green">039</FONT> * returned by makeGenerator should be seeded with a fixed seed.<a name="line.39"></a>
<FONT color="green">040</FONT> *<a name="line.40"></a>
-<FONT color="green">041</FONT> * @version $Id: RandomGeneratorAbstractTest.java 1364028 2012-07-21 00:42:49Z erans $<a name="line.41"></a>
+<FONT color="green">041</FONT> * @version $Id: RandomGeneratorAbstractTest.java 1454846 2013-03-10 13:02:04Z luc $<a name="line.41"></a>
<FONT color="green">042</FONT> */<a name="line.42"></a>
<FONT color="green">043</FONT> <a name="line.43"></a>
-<FONT color="green">044</FONT> public abstract class RandomGeneratorAbstractTest extends RandomDataTest {<a name="line.44"></a>
+<FONT color="green">044</FONT> public abstract class RandomGeneratorAbstractTest extends RandomDataGeneratorTest {<a name="line.44"></a>
<FONT color="green">045</FONT> <a name="line.45"></a>
<FONT color="green">046</FONT> /** RandomGenerator under test */<a name="line.46"></a>
<FONT color="green">047</FONT> protected RandomGenerator generator;<a name="line.47"></a>
@@ -60,7 +60,7 @@
<FONT color="green">057</FONT> */<a name="line.57"></a>
<FONT color="green">058</FONT> public RandomGeneratorAbstractTest() {<a name="line.58"></a>
<FONT color="green">059</FONT> generator = makeGenerator();<a name="line.59"></a>
-<FONT color="green">060</FONT> randomData = new RandomDataImpl(generator);<a name="line.60"></a>
+<FONT color="green">060</FONT> randomData = new RandomDataGenerator(generator);<a name="line.60"></a>
<FONT color="green">061</FONT> }<a name="line.61"></a>
<FONT color="green">062</FONT> <a name="line.62"></a>
<FONT color="green">063</FONT> /**<a name="line.63"></a>
@@ -164,272 +164,275 @@
<FONT color="green">161</FONT> }<a name="line.161"></a>
<FONT color="green">162</FONT> }<a name="line.162"></a>
<FONT color="green">163</FONT> <a name="line.163"></a>
-<FONT color="green">164</FONT> @Override // TODO is this supposed to be an override?<a name="line.164"></a>
-<FONT color="green">165</FONT> @Test(expected=MathIllegalArgumentException.class)<a name="line.165"></a>
-<FONT color="green">166</FONT> public void testNextIntIAE() {<a name="line.166"></a>
-<FONT color="green">167</FONT> try {<a name="line.167"></a>
-<FONT color="green">168</FONT> generator.nextInt(-1);<a name="line.168"></a>
-<FONT color="green">169</FONT> Assert.fail("MathIllegalArgumentException expected");<a name="line.169"></a>
-<FONT color="green">170</FONT> } catch (MathIllegalArgumentException ex) {<a name="line.170"></a>
-<FONT color="green">171</FONT> // ignored<a name="line.171"></a>
-<FONT color="green">172</FONT> }<a name="line.172"></a>
-<FONT color="green">173</FONT> generator.nextInt(0);<a name="line.173"></a>
-<FONT color="green">174</FONT> }<a name="line.174"></a>
-<FONT color="green">175</FONT> <a name="line.175"></a>
-<FONT color="green">176</FONT> @Test<a name="line.176"></a>
-<FONT color="green">177</FONT> public void testNextLongDirect() {<a name="line.177"></a>
-<FONT color="green">178</FONT> long q1 = Long.MAX_VALUE/4;<a name="line.178"></a>
-<FONT color="green">179</FONT> long q2 = 2 * q1;<a name="line.179"></a>
-<FONT color="green">180</FONT> long q3 = 3 * q1;<a name="line.180"></a>
-<FONT color="green">181</FONT> <a name="line.181"></a>
-<FONT color="green">182</FONT> Frequency freq = new Frequency();<a name="line.182"></a>
-<FONT color="green">183</FONT> long val = 0;<a name="line.183"></a>
-<FONT color="green">184</FONT> int value = 0;<a name="line.184"></a>
-<FONT color="green">185</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.185"></a>
-<FONT color="green">186</FONT> val = generator.nextLong();<a name="line.186"></a>
-<FONT color="green">187</FONT> val = val < 0 ? -val : val;<a name="line.187"></a>
-<FONT color="green">188</FONT> if (val < q1) {<a name="line.188"></a>
-<FONT color="green">189</FONT> value = 0;<a name="line.189"></a>
-<FONT color="green">190</FONT> } else if (val < q2) {<a name="line.190"></a>
-<FONT color="green">191</FONT> value = 1;<a name="line.191"></a>
-<FONT color="green">192</FONT> } else if (val < q3) {<a name="line.192"></a>
-<FONT color="green">193</FONT> value = 2;<a name="line.193"></a>
-<FONT color="green">194</FONT> } else {<a name="line.194"></a>
-<FONT color="green">195</FONT> value = 3;<a name="line.195"></a>
-<FONT color="green">196</FONT> }<a name="line.196"></a>
-<FONT color="green">197</FONT> freq.addValue(value);<a name="line.197"></a>
-<FONT color="green">198</FONT> }<a name="line.198"></a>
-<FONT color="green">199</FONT> long[] observed = new long[4];<a name="line.199"></a>
-<FONT color="green">200</FONT> for (int i=0; i<4; i++) {<a name="line.200"></a>
-<FONT color="green">201</FONT> observed[i] = freq.getCount(i);<a name="line.201"></a>
-<FONT color="green">202</FONT> }<a name="line.202"></a>
-<FONT color="green">203</FONT> <a name="line.203"></a>
-<FONT color="green">204</FONT> /* Use ChiSquare dist with df = 4-1 = 3, alpha = .001<a name="line.204"></a>
-<FONT color="green">205</FONT> * Change to 11.34 for alpha = .01<a name="line.205"></a>
-<FONT color="green">206</FONT> */<a name="line.206"></a>
-<FONT color="green">207</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.207"></a>
-<FONT color="green">208</FONT> testStatistic.chiSquare(expected,observed) < 16.27);<a name="line.208"></a>
-<FONT color="green">209</FONT> }<a name="line.209"></a>
-<FONT color="green">210</FONT> <a name="line.210"></a>
-<FONT color="green">211</FONT> @Test<a name="line.211"></a>
-<FONT color="green">212</FONT> public void testNextBooleanDirect() {<a name="line.212"></a>
-<FONT color="green">213</FONT> long halfSampleSize = smallSampleSize / 2;<a name="line.213"></a>
-<FONT color="green">214</FONT> double[] expected = {halfSampleSize, halfSampleSize};<a name="line.214"></a>
-<FONT color="green">215</FONT> long[] observed = new long[2];<a name="line.215"></a>
-<FONT color="green">216</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.216"></a>
-<FONT color="green">217</FONT> if (generator.nextBoolean()) {<a name="line.217"></a>
-<FONT color="green">218</FONT> observed[0]++;<a name="line.218"></a>
-<FONT color="green">219</FONT> } else {<a name="line.219"></a>
-<FONT color="green">220</FONT> observed[1]++;<a name="line.220"></a>
-<FONT color="green">221</FONT> }<a name="line.221"></a>
-<FONT color="green">222</FONT> }<a name="line.222"></a>
-<FONT color="green">223</FONT> /* Use ChiSquare dist with df = 2-1 = 1, alpha = .001<a name="line.223"></a>
-<FONT color="green">224</FONT> * Change to 6.635 for alpha = .01<a name="line.224"></a>
-<FONT color="green">225</FONT> */<a name="line.225"></a>
-<FONT color="green">226</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.226"></a>
-<FONT color="green">227</FONT> testStatistic.chiSquare(expected,observed) < 10.828);<a name="line.227"></a>
-<FONT color="green">228</FONT> }<a name="line.228"></a>
-<FONT color="green">229</FONT> <a name="line.229"></a>
-<FONT color="green">230</FONT> @Test<a name="line.230"></a>
-<FONT color="green">231</FONT> public void testNextFloatDirect() {<a name="line.231"></a>
-<FONT color="green">232</FONT> Frequency freq = new Frequency();<a name="line.232"></a>
-<FONT color="green">233</FONT> float val = 0;<a name="line.233"></a>
-<FONT color="green">234</FONT> int value = 0;<a name="line.234"></a>
-<FONT color="green">235</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.235"></a>
-<FONT color="green">236</FONT> val = generator.nextFloat();<a name="line.236"></a>
-<FONT color="green">237</FONT> if (val < 0.25) {<a name="line.237"></a>
-<FONT color="green">238</FONT> value = 0;<a name="line.238"></a>
-<FONT color="green">239</FONT> } else if (val < 0.5) {<a name="line.239"></a>
-<FONT color="green">240</FONT> value = 1;<a name="line.240"></a>
-<FONT color="green">241</FONT> } else if (val < 0.75) {<a name="line.241"></a>
-<FONT color="green">242</FONT> value = 2;<a name="line.242"></a>
-<FONT color="green">243</FONT> } else {<a name="line.243"></a>
-<FONT color="green">244</FONT> value = 3;<a name="line.244"></a>
-<FONT color="green">245</FONT> }<a name="line.245"></a>
-<FONT color="green">246</FONT> freq.addValue(value);<a name="line.246"></a>
-<FONT color="green">247</FONT> }<a name="line.247"></a>
-<FONT color="green">248</FONT> long[] observed = new long[4];<a name="line.248"></a>
-<FONT color="green">249</FONT> for (int i=0; i<4; i++) {<a name="line.249"></a>
-<FONT color="green">250</FONT> observed[i] = freq.getCount(i);<a name="line.250"></a>
-<FONT color="green">251</FONT> }<a name="line.251"></a>
-<FONT color="green">252</FONT> <a name="line.252"></a>
-<FONT color="green">253</FONT> /* Use ChiSquare dist with df = 4-1 = 3, alpha = .001<a name="line.253"></a>
-<FONT color="green">254</FONT> * Change to 11.34 for alpha = .01<a name="line.254"></a>
-<FONT color="green">255</FONT> */<a name="line.255"></a>
-<FONT color="green">256</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.256"></a>
-<FONT color="green">257</FONT> testStatistic.chiSquare(expected,observed) < 16.27);<a name="line.257"></a>
-<FONT color="green">258</FONT> }<a name="line.258"></a>
-<FONT color="green">259</FONT> <a name="line.259"></a>
-<FONT color="green">260</FONT> @Test<a name="line.260"></a>
-<FONT color="green">261</FONT> public void testDoubleDirect() {<a name="line.261"></a>
-<FONT color="green">262</FONT> SummaryStatistics sample = new SummaryStatistics();<a name="line.262"></a>
-<FONT color="green">263</FONT> final int N = 10000;<a name="line.263"></a>
-<FONT color="green">264</FONT> for (int i = 0; i < N; ++i) {<a name="line.264"></a>
-<FONT color="green">265</FONT> sample.addValue(generator.nextDouble());<a name="line.265"></a>
-<FONT color="green">266</FONT> }<a name="line.266"></a>
-<FONT color="green">267</FONT> Assert.assertEquals("Note: This test will fail randomly about 1 in 100 times.",<a name="line.267"></a>
-<FONT color="green">268</FONT> 0.5, sample.getMean(), FastMath.sqrt(N/12.0) * 2.576);<a name="line.268"></a>
-<FONT color="green">269</FONT> Assert.assertEquals(1.0 / (2.0 * FastMath.sqrt(3.0)),<a name="line.269"></a>
-<FONT color="green">270</FONT> sample.getStandardDeviation(), 0.01);<a name="line.270"></a>
-<FONT color="green">271</FONT> }<a name="line.271"></a>
-<FONT color="green">272</FONT> <a name="line.272"></a>
-<FONT color="green">273</FONT> @Test<a name="line.273"></a>
-<FONT color="green">274</FONT> public void testFloatDirect() {<a name="line.274"></a>
-<FONT color="green">275</FONT> SummaryStatistics sample = new SummaryStatistics();<a name="line.275"></a>
-<FONT color="green">276</FONT> final int N = 1000;<a name="line.276"></a>
-<FONT color="green">277</FONT> for (int i = 0; i < N; ++i) {<a name="line.277"></a>
-<FONT color="green">278</FONT> sample.addValue(generator.nextFloat());<a name="line.278"></a>
-<FONT color="green">279</FONT> }<a name="line.279"></a>
-<FONT color="green">280</FONT> Assert.assertEquals("Note: This test will fail randomly about 1 in 100 times.",<a name="line.280"></a>
-<FONT color="green">281</FONT> 0.5, sample.getMean(), FastMath.sqrt(N/12.0) * 2.576);<a name="line.281"></a>
-<FONT color="green">282</FONT> Assert.assertEquals(1.0 / (2.0 * FastMath.sqrt(3.0)),<a name="line.282"></a>
-<FONT color="green">283</FONT> sample.getStandardDeviation(), 0.01);<a name="line.283"></a>
-<FONT color="green">284</FONT> }<a name="line.284"></a>
-<FONT color="green">285</FONT> <a name="line.285"></a>
-<FONT color="green">286</FONT> @Test(expected=MathIllegalArgumentException.class)<a name="line.286"></a>
-<FONT color="green">287</FONT> public void testNextIntNeg() {<a name="line.287"></a>
-<FONT color="green">288</FONT> generator.nextInt(-1);<a name="line.288"></a>
-<FONT color="green">289</FONT> }<a name="line.289"></a>
-<FONT color="green">290</FONT> <a name="line.290"></a>
-<FONT color="green">291</FONT> @Test<a name="line.291"></a>
-<FONT color="green">292</FONT> public void testNextInt2() {<a name="line.292"></a>
-<FONT color="green">293</FONT> int walk = 0;<a name="line.293"></a>
-<FONT color="green">294</FONT> final int N = 10000;<a name="line.294"></a>
-<FONT color="green">295</FONT> for (int k = 0; k < N; ++k) {<a name="line.295"></a>
-<FONT color="green">296</FONT> if (generator.nextInt() >= 0) {<a name="line.296"></a>
-<FONT color="green">297</FONT> ++walk;<a name="line.297"></a>
-<FONT color="green">298</FONT> } else {<a name="line.298"></a>
-<FONT color="green">299</FONT> --walk;<a name="line.299"></a>
-<FONT color="green">300</FONT> }<a name="line.300"></a>
-<FONT color="green">301</FONT> }<a name="line.301"></a>
-<FONT color="green">302</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.302"></a>
-<FONT color="green">303</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.303"></a>
-<FONT color="green">304</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.304"></a>
-<FONT color="green">305</FONT> }<a name="line.305"></a>
-<FONT color="green">306</FONT> <a name="line.306"></a>
-<FONT color="green">307</FONT> @Test<a name="line.307"></a>
-<FONT color="green">308</FONT> public void testNextLong2() {<a name="line.308"></a>
-<FONT color="green">309</FONT> int walk = 0;<a name="line.309"></a>
-<FONT color="green">310</FONT> final int N = 1000;<a name="line.310"></a>
-<FONT color="green">311</FONT> for (int k = 0; k < N; ++k) {<a name="line.311"></a>
-<FONT color="green">312</FONT> if (generator.nextLong() >= 0) {<a name="line.312"></a>
-<FONT color="green">313</FONT> ++walk;<a name="line.313"></a>
-<FONT color="green">314</FONT> } else {<a name="line.314"></a>
-<FONT color="green">315</FONT> --walk;<a name="line.315"></a>
-<FONT color="green">316</FONT> }<a name="line.316"></a>
-<FONT color="green">317</FONT> }<a name="line.317"></a>
-<FONT color="green">318</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.318"></a>
-<FONT color="green">319</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.319"></a>
-<FONT color="green">320</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.320"></a>
-<FONT color="green">321</FONT> }<a name="line.321"></a>
-<FONT color="green">322</FONT> <a name="line.322"></a>
-<FONT color="green">323</FONT> @Test<a name="line.323"></a>
-<FONT color="green">324</FONT> public void testNexBoolean2() {<a name="line.324"></a>
-<FONT color="green">325</FONT> int walk = 0;<a name="line.325"></a>
-<FONT color="green">326</FONT> final int N = 10000;<a name="line.326"></a>
-<FONT color="green">327</FONT> for (int k = 0; k < N; ++k) {<a name="line.327"></a>
-<FONT color="green">328</FONT> if (generator.nextBoolean()) {<a name="line.328"></a>
-<FONT color="green">329</FONT> ++walk;<a name="line.329"></a>
-<FONT color="green">330</FONT> } else {<a name="line.330"></a>
-<FONT color="green">331</FONT> --walk;<a name="line.331"></a>
-<FONT color="green">332</FONT> }<a name="line.332"></a>
-<FONT color="green">333</FONT> }<a name="line.333"></a>
-<FONT color="green">334</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.334"></a>
-<FONT color="green">335</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.335"></a>
-<FONT color="green">336</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.336"></a>
-<FONT color="green">337</FONT> }<a name="line.337"></a>
-<FONT color="green">338</FONT> <a name="line.338"></a>
-<FONT color="green">339</FONT> @Test<a name="line.339"></a>
-<FONT color="green">340</FONT> public void testNexBytes() {<a name="line.340"></a>
-<FONT color="green">341</FONT> long[] count = new long[256];<a name="line.341"></a>
-<FONT color="green">342</FONT> byte[] bytes = new byte[10];<a name="line.342"></a>
-<FONT color="green">343</FONT> double[] expected = new double[256];<a name="line.343"></a>
-<FONT color="green">344</FONT> final int sampleSize = 100000;<a name="line.344"></a>
-<FONT color="green">345</FONT> <a name="line.345"></a>
-<FONT color="green">346</FONT> for (int i = 0; i < 256; i++) {<a name="line.346"></a>
-<FONT color="green">347</FONT> expected[i] = (double) sampleSize / 265f;<a name="line.347"></a>
-<FONT color="green">348</FONT> }<a name="line.348"></a>
-<FONT color="green">349</FONT> <a name="line.349"></a>
-<FONT color="green">350</FONT> for (int k = 0; k < sampleSize; ++k) {<a name="line.350"></a>
-<FONT color="green">351</FONT> generator.nextBytes(bytes);<a name="line.351"></a>
-<FONT color="green">352</FONT> for (byte b : bytes) {<a name="line.352"></a>
-<FONT color="green">353</FONT> ++count[b + 128];<a name="line.353"></a>
-<FONT color="green">354</FONT> }<a name="line.354"></a>
-<FONT color="green">355</FONT> }<a name="line.355"></a>
-<FONT color="green">356</FONT> <a name="line.356"></a>
-<FONT color="green">357</FONT> TestUtils.assertChiSquareAccept(expected, count, 0.001);<a name="line.357"></a>
-<FONT color="green">358</FONT> <a name="line.358"></a>
-<FONT color="green">359</FONT> }<a name="line.359"></a>
-<FONT color="green">360</FONT> <a name="line.360"></a>
-<FONT color="green">361</FONT> @Test<a name="line.361"></a>
-<FONT color="green">362</FONT> public void testSeeding() {<a name="line.362"></a>
-<FONT color="green">363</FONT> // makeGenerator initializes with fixed seed<a name="line.363"></a>
-<FONT color="green">364</FONT> RandomGenerator gen = makeGenerator();<a name="line.364"></a>
-<FONT color="green">365</FONT> RandomGenerator gen1 = makeGenerator();<a name="line.365"></a>
-<FONT color="green">366</FONT> checkSameSequence(gen, gen1);<a name="line.366"></a>
-<FONT color="green">367</FONT> // reseed, but recreate the second one<a name="line.367"></a>
-<FONT color="green">368</FONT> // verifies MATH-723<a name="line.368"></a>
-<FONT color="green">369</FONT> gen.setSeed(100);<a name="line.369"></a>
-<FONT color="green">370</FONT> gen1 = makeGenerator();<a name="line.370"></a>
-<FONT color="green">371</FONT> gen1.setSeed(100);<a name="line.371"></a>
-<FONT color="green">372</FONT> checkSameSequence(gen, gen1);<a name="line.372"></a>
-<FONT color="green">373</FONT> }<a name="line.373"></a>
-<FONT color="green">374</FONT> <a name="line.374"></a>
-<FONT color="green">375</FONT> private void checkSameSequence(RandomGenerator gen1, RandomGenerator gen2) {<a name="line.375"></a>
-<FONT color="green">376</FONT> final int len = 11; // Needs to be an odd number to check MATH-723<a name="line.376"></a>
-<FONT color="green">377</FONT> final double[][] values = new double[2][len];<a name="line.377"></a>
-<FONT color="green">378</FONT> for (int i = 0; i < len; i++) {<a name="line.378"></a>
-<FONT color="green">379</FONT> values[0][i] = gen1.nextDouble();<a name="line.379"></a>
-<FONT color="green">380</FONT> }<a name="line.380"></a>
+<FONT color="green">164</FONT> @Test<a name="line.164"></a>
+<FONT color="green">165</FONT> public void testNextIntIAE2() {<a name="line.165"></a>
+<FONT color="green">166</FONT> try {<a name="line.166"></a>
+<FONT color="green">167</FONT> generator.nextInt(-1);<a name="line.167"></a>
+<FONT color="green">168</FONT> Assert.fail("MathIllegalArgumentException expected");<a name="line.168"></a>
+<FONT color="green">169</FONT> } catch (MathIllegalArgumentException ex) {<a name="line.169"></a>
+<FONT color="green">170</FONT> // ignored<a name="line.170"></a>
+<FONT color="green">171</FONT> }<a name="line.171"></a>
+<FONT color="green">172</FONT> try {<a name="line.172"></a>
+<FONT color="green">173</FONT> generator.nextInt(0);<a name="line.173"></a>
+<FONT color="green">174</FONT> } catch (MathIllegalArgumentException ex) {<a name="line.174"></a>
+<FONT color="green">175</FONT> // ignored<a name="line.175"></a>
+<FONT color="green">176</FONT> }<a name="line.176"></a>
+<FONT color="green">177</FONT> }<a name="line.177"></a>
+<FONT color="green">178</FONT> <a name="line.178"></a>
+<FONT color="green">179</FONT> @Test<a name="line.179"></a>
+<FONT color="green">180</FONT> public void testNextLongDirect() {<a name="line.180"></a>
+<FONT color="green">181</FONT> long q1 = Long.MAX_VALUE/4;<a name="line.181"></a>
+<FONT color="green">182</FONT> long q2 = 2 * q1;<a name="line.182"></a>
+<FONT color="green">183</FONT> long q3 = 3 * q1;<a name="line.183"></a>
+<FONT color="green">184</FONT> <a name="line.184"></a>
+<FONT color="green">185</FONT> Frequency freq = new Frequency();<a name="line.185"></a>
+<FONT color="green">186</FONT> long val = 0;<a name="line.186"></a>
+<FONT color="green">187</FONT> int value = 0;<a name="line.187"></a>
+<FONT color="green">188</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.188"></a>
+<FONT color="green">189</FONT> val = generator.nextLong();<a name="line.189"></a>
+<FONT color="green">190</FONT> val = val < 0 ? -val : val;<a name="line.190"></a>
+<FONT color="green">191</FONT> if (val < q1) {<a name="line.191"></a>
+<FONT color="green">192</FONT> value = 0;<a name="line.192"></a>
+<FONT color="green">193</FONT> } else if (val < q2) {<a name="line.193"></a>
+<FONT color="green">194</FONT> value = 1;<a name="line.194"></a>
+<FONT color="green">195</FONT> } else if (val < q3) {<a name="line.195"></a>
+<FONT color="green">196</FONT> value = 2;<a name="line.196"></a>
+<FONT color="green">197</FONT> } else {<a name="line.197"></a>
+<FONT color="green">198</FONT> value = 3;<a name="line.198"></a>
+<FONT color="green">199</FONT> }<a name="line.199"></a>
+<FONT color="green">200</FONT> freq.addValue(value);<a name="line.200"></a>
+<FONT color="green">201</FONT> }<a name="line.201"></a>
+<FONT color="green">202</FONT> long[] observed = new long[4];<a name="line.202"></a>
+<FONT color="green">203</FONT> for (int i=0; i<4; i++) {<a name="line.203"></a>
+<FONT color="green">204</FONT> observed[i] = freq.getCount(i);<a name="line.204"></a>
+<FONT color="green">205</FONT> }<a name="line.205"></a>
+<FONT color="green">206</FONT> <a name="line.206"></a>
+<FONT color="green">207</FONT> /* Use ChiSquare dist with df = 4-1 = 3, alpha = .001<a name="line.207"></a>
+<FONT color="green">208</FONT> * Change to 11.34 for alpha = .01<a name="line.208"></a>
+<FONT color="green">209</FONT> */<a name="line.209"></a>
+<FONT color="green">210</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.210"></a>
+<FONT color="green">211</FONT> testStatistic.chiSquare(expected,observed) < 16.27);<a name="line.211"></a>
+<FONT color="green">212</FONT> }<a name="line.212"></a>
+<FONT color="green">213</FONT> <a name="line.213"></a>
+<FONT color="green">214</FONT> @Test<a name="line.214"></a>
+<FONT color="green">215</FONT> public void testNextBooleanDirect() {<a name="line.215"></a>
+<FONT color="green">216</FONT> long halfSampleSize = smallSampleSize / 2;<a name="line.216"></a>
+<FONT color="green">217</FONT> double[] expected = {halfSampleSize, halfSampleSize};<a name="line.217"></a>
+<FONT color="green">218</FONT> long[] observed = new long[2];<a name="line.218"></a>
+<FONT color="green">219</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.219"></a>
+<FONT color="green">220</FONT> if (generator.nextBoolean()) {<a name="line.220"></a>
+<FONT color="green">221</FONT> observed[0]++;<a name="line.221"></a>
+<FONT color="green">222</FONT> } else {<a name="line.222"></a>
+<FONT color="green">223</FONT> observed[1]++;<a name="line.223"></a>
+<FONT color="green">224</FONT> }<a name="line.224"></a>
+<FONT color="green">225</FONT> }<a name="line.225"></a>
+<FONT color="green">226</FONT> /* Use ChiSquare dist with df = 2-1 = 1, alpha = .001<a name="line.226"></a>
+<FONT color="green">227</FONT> * Change to 6.635 for alpha = .01<a name="line.227"></a>
+<FONT color="green">228</FONT> */<a name="line.228"></a>
+<FONT color="green">229</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.229"></a>
+<FONT color="green">230</FONT> testStatistic.chiSquare(expected,observed) < 10.828);<a name="line.230"></a>
+<FONT color="green">231</FONT> }<a name="line.231"></a>
+<FONT color="green">232</FONT> <a name="line.232"></a>
+<FONT color="green">233</FONT> @Test<a name="line.233"></a>
+<FONT color="green">234</FONT> public void testNextFloatDirect() {<a name="line.234"></a>
+<FONT color="green">235</FONT> Frequency freq = new Frequency();<a name="line.235"></a>
+<FONT color="green">236</FONT> float val = 0;<a name="line.236"></a>
+<FONT color="green">237</FONT> int value = 0;<a name="line.237"></a>
+<FONT color="green">238</FONT> for (int i=0; i<smallSampleSize; i++) {<a name="line.238"></a>
+<FONT color="green">239</FONT> val = generator.nextFloat();<a name="line.239"></a>
+<FONT color="green">240</FONT> if (val < 0.25) {<a name="line.240"></a>
+<FONT color="green">241</FONT> value = 0;<a name="line.241"></a>
+<FONT color="green">242</FONT> } else if (val < 0.5) {<a name="line.242"></a>
+<FONT color="green">243</FONT> value = 1;<a name="line.243"></a>
+<FONT color="green">244</FONT> } else if (val < 0.75) {<a name="line.244"></a>
+<FONT color="green">245</FONT> value = 2;<a name="line.245"></a>
+<FONT color="green">246</FONT> } else {<a name="line.246"></a>
+<FONT color="green">247</FONT> value = 3;<a name="line.247"></a>
+<FONT color="green">248</FONT> }<a name="line.248"></a>
+<FONT color="green">249</FONT> freq.addValue(value);<a name="line.249"></a>
+<FONT color="green">250</FONT> }<a name="line.250"></a>
+<FONT color="green">251</FONT> long[] observed = new long[4];<a name="line.251"></a>
+<FONT color="green">252</FONT> for (int i=0; i<4; i++) {<a name="line.252"></a>
+<FONT color="green">253</FONT> observed[i] = freq.getCount(i);<a name="line.253"></a>
+<FONT color="green">254</FONT> }<a name="line.254"></a>
+<FONT color="green">255</FONT> <a name="line.255"></a>
+<FONT color="green">256</FONT> /* Use ChiSquare dist with df = 4-1 = 3, alpha = .001<a name="line.256"></a>
+<FONT color="green">257</FONT> * Change to 11.34 for alpha = .01<a name="line.257"></a>
+<FONT color="green">258</FONT> */<a name="line.258"></a>
+<FONT color="green">259</FONT> Assert.assertTrue("chi-square test -- will fail about 1 in 1000 times",<a name="line.259"></a>
+<FONT color="green">260</FONT> testStatistic.chiSquare(expected,observed) < 16.27);<a name="line.260"></a>
+<FONT color="green">261</FONT> }<a name="line.261"></a>
+<FONT color="green">262</FONT> <a name="line.262"></a>
+<FONT color="green">263</FONT> @Test<a name="line.263"></a>
+<FONT color="green">264</FONT> public void testDoubleDirect() {<a name="line.264"></a>
+<FONT color="green">265</FONT> SummaryStatistics sample = new SummaryStatistics();<a name="line.265"></a>
+<FONT color="green">266</FONT> final int N = 10000;<a name="line.266"></a>
+<FONT color="green">267</FONT> for (int i = 0; i < N; ++i) {<a name="line.267"></a>
+<FONT color="green">268</FONT> sample.addValue(generator.nextDouble());<a name="line.268"></a>
+<FONT color="green">269</FONT> }<a name="line.269"></a>
+<FONT color="green">270</FONT> Assert.assertEquals("Note: This test will fail randomly about 1 in 100 times.",<a name="line.270"></a>
+<FONT color="green">271</FONT> 0.5, sample.getMean(), FastMath.sqrt(N/12.0) * 2.576);<a name="line.271"></a>
+<FONT color="green">272</FONT> Assert.assertEquals(1.0 / (2.0 * FastMath.sqrt(3.0)),<a name="line.272"></a>
+<FONT color="green">273</FONT> sample.getStandardDeviation(), 0.01);<a name="line.273"></a>
+<FONT color="green">274</FONT> }<a name="line.274"></a>
+<FONT color="green">275</FONT> <a name="line.275"></a>
+<FONT color="green">276</FONT> @Test<a name="line.276"></a>
+<FONT color="green">277</FONT> public void testFloatDirect() {<a name="line.277"></a>
+<FONT color="green">278</FONT> SummaryStatistics sample = new SummaryStatistics();<a name="line.278"></a>
+<FONT color="green">279</FONT> final int N = 1000;<a name="line.279"></a>
+<FONT color="green">280</FONT> for (int i = 0; i < N; ++i) {<a name="line.280"></a>
+<FONT color="green">281</FONT> sample.addValue(generator.nextFloat());<a name="line.281"></a>
+<FONT color="green">282</FONT> }<a name="line.282"></a>
+<FONT color="green">283</FONT> Assert.assertEquals("Note: This test will fail randomly about 1 in 100 times.",<a name="line.283"></a>
+<FONT color="green">284</FONT> 0.5, sample.getMean(), FastMath.sqrt(N/12.0) * 2.576);<a name="line.284"></a>
+<FONT color="green">285</FONT> Assert.assertEquals(1.0 / (2.0 * FastMath.sqrt(3.0)),<a name="line.285"></a>
+<FONT color="green">286</FONT> sample.getStandardDeviation(), 0.01);<a name="line.286"></a>
+<FONT color="green">287</FONT> }<a name="line.287"></a>
+<FONT color="green">288</FONT> <a name="line.288"></a>
+<FONT color="green">289</FONT> @Test(expected=MathIllegalArgumentException.class)<a name="line.289"></a>
+<FONT color="green">290</FONT> public void testNextIntNeg() {<a name="line.290"></a>
+<FONT color="green">291</FONT> generator.nextInt(-1);<a name="line.291"></a>
+<FONT color="green">292</FONT> }<a name="line.292"></a>
+<FONT color="green">293</FONT> <a name="line.293"></a>
+<FONT color="green">294</FONT> @Test<a name="line.294"></a>
+<FONT color="green">295</FONT> public void testNextInt2() {<a name="line.295"></a>
+<FONT color="green">296</FONT> int walk = 0;<a name="line.296"></a>
+<FONT color="green">297</FONT> final int N = 10000;<a name="line.297"></a>
+<FONT color="green">298</FONT> for (int k = 0; k < N; ++k) {<a name="line.298"></a>
+<FONT color="green">299</FONT> if (generator.nextInt() >= 0) {<a name="line.299"></a>
+<FONT color="green">300</FONT> ++walk;<a name="line.300"></a>
+<FONT color="green">301</FONT> } else {<a name="line.301"></a>
+<FONT color="green">302</FONT> --walk;<a name="line.302"></a>
+<FONT color="green">303</FONT> }<a name="line.303"></a>
+<FONT color="green">304</FONT> }<a name="line.304"></a>
+<FONT color="green">305</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.305"></a>
+<FONT color="green">306</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.306"></a>
+<FONT color="green">307</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.307"></a>
+<FONT color="green">308</FONT> }<a name="line.308"></a>
+<FONT color="green">309</FONT> <a name="line.309"></a>
+<FONT color="green">310</FONT> @Test<a name="line.310"></a>
+<FONT color="green">311</FONT> public void testNextLong2() {<a name="line.311"></a>
+<FONT color="green">312</FONT> int walk = 0;<a name="line.312"></a>
+<FONT color="green">313</FONT> final int N = 1000;<a name="line.313"></a>
+<FONT color="green">314</FONT> for (int k = 0; k < N; ++k) {<a name="line.314"></a>
+<FONT color="green">315</FONT> if (generator.nextLong() >= 0) {<a name="line.315"></a>
+<FONT color="green">316</FONT> ++walk;<a name="line.316"></a>
+<FONT color="green">317</FONT> } else {<a name="line.317"></a>
+<FONT color="green">318</FONT> --walk;<a name="line.318"></a>
+<FONT color="green">319</FONT> }<a name="line.319"></a>
+<FONT color="green">320</FONT> }<a name="line.320"></a>
+<FONT color="green">321</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.321"></a>
+<FONT color="green">322</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.322"></a>
+<FONT color="green">323</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.323"></a>
+<FONT color="green">324</FONT> }<a name="line.324"></a>
+<FONT color="green">325</FONT> <a name="line.325"></a>
+<FONT color="green">326</FONT> @Test<a name="line.326"></a>
+<FONT color="green">327</FONT> public void testNexBoolean2() {<a name="line.327"></a>
+<FONT color="green">328</FONT> int walk = 0;<a name="line.328"></a>
+<FONT color="green">329</FONT> final int N = 10000;<a name="line.329"></a>
+<FONT color="green">330</FONT> for (int k = 0; k < N; ++k) {<a name="line.330"></a>
+<FONT color="green">331</FONT> if (generator.nextBoolean()) {<a name="line.331"></a>
+<FONT color="green">332</FONT> ++walk;<a name="line.332"></a>
+<FONT color="green">333</FONT> } else {<a name="line.333"></a>
+<FONT color="green">334</FONT> --walk;<a name="line.334"></a>
+<FONT color="green">335</FONT> }<a name="line.335"></a>
+<FONT color="green">336</FONT> }<a name="line.336"></a>
+<FONT color="green">337</FONT> Assert.assertTrue("Walked too far astray: " + walk + "\nNote: This " +<a name="line.337"></a>
+<FONT color="green">338</FONT> "test will fail randomly about 1 in 100 times.",<a name="line.338"></a>
+<FONT color="green">339</FONT> FastMath.abs(walk) < FastMath.sqrt(N) * 2.576);<a name="line.339"></a>
+<FONT color="green">340</FONT> }<a name="line.340"></a>
+<FONT color="green">341</FONT> <a name="line.341"></a>
+<FONT color="green">342</FONT> @Test<a name="line.342"></a>
+<FONT color="green">343</FONT> public void testNexBytes() {<a name="line.343"></a>
+<FONT color="green">344</FONT> long[] count = new long[256];<a name="line.344"></a>
+<FONT color="green">345</FONT> byte[] bytes = new byte[10];<a name="line.345"></a>
+<FONT color="green">346</FONT> double[] expected = new double[256];<a name="line.346"></a>
+<FONT color="green">347</FONT> final int sampleSize = 100000;<a name="line.347"></a>
+<FONT color="green">348</FONT> <a name="line.348"></a>
+<FONT color="green">349</FONT> for (int i = 0; i < 256; i++) {<a name="line.349"></a>
+<FONT color="green">350</FONT> expected[i] = (double) sampleSize / 265f;<a name="line.350"></a>
+<FONT color="green">351</FONT> }<a name="line.351"></a>
+<FONT color="green">352</FONT> <a name="line.352"></a>
+<FONT color="green">353</FONT> for (int k = 0; k < sampleSize; ++k) {<a name="line.353"></a>
+<FONT color="green">354</FONT> generator.nextBytes(bytes);<a name="line.354"></a>
+<FONT color="green">355</FONT> for (byte b : bytes) {<a name="line.355"></a>
+<FONT color="green">356</FONT> ++count[b + 128];<a name="line.356"></a>
+<FONT color="green">357</FONT> }<a name="line.357"></a>
+<FONT color="green">358</FONT> }<a name="line.358"></a>
+<FONT color="green">359</FONT> <a name="line.359"></a>
+<FONT color="green">360</FONT> TestUtils.assertChiSquareAccept(expected, count, 0.001);<a name="line.360"></a>
+<FONT color="green">361</FONT> <a name="line.361"></a>
+<FONT color="green">362</FONT> }<a name="line.362"></a>
+<FONT color="green">363</FONT> <a name="line.363"></a>
+<FONT color="green">364</FONT> @Test<a name="line.364"></a>
+<FONT color="green">365</FONT> public void testSeeding() {<a name="line.365"></a>
+<FONT color="green">366</FONT> // makeGenerator initializes with fixed seed<a name="line.366"></a>
+<FONT color="green">367</FONT> RandomGenerator gen = makeGenerator();<a name="line.367"></a>
+<FONT color="green">368</FONT> RandomGenerator gen1 = makeGenerator();<a name="line.368"></a>
+<FONT color="green">369</FONT> checkSameSequence(gen, gen1);<a name="line.369"></a>
+<FONT color="green">370</FONT> // reseed, but recreate the second one<a name="line.370"></a>
+<FONT color="green">371</FONT> // verifies MATH-723<a name="line.371"></a>
+<FONT color="green">372</FONT> gen.setSeed(100);<a name="line.372"></a>
+<FONT color="green">373</FONT> gen1 = makeGenerator();<a name="line.373"></a>
+<FONT color="green">374</FONT> gen1.setSeed(100);<a name="line.374"></a>
+<FONT color="green">375</FONT> checkSameSequence(gen, gen1);<a name="line.375"></a>
+<FONT color="green">376</FONT> }<a name="line.376"></a>
+<FONT color="green">377</FONT> <a name="line.377"></a>
+<FONT color="green">378</FONT> private void checkSameSequence(RandomGenerator gen1, RandomGenerator gen2) {<a name="line.378"></a>
+<FONT color="green">379</FONT> final int len = 11; // Needs to be an odd number to check MATH-723<a name="line.379"></a>
+<FONT color="green">380</FONT> final double[][] values = new double[2][len];<a name="line.380"></a>
<FONT color="green">381</FONT> for (int i = 0; i < len; i++) {<a name="line.381"></a>
-<FONT color="green">382</FONT> values[1][i] = gen2.nextDouble();<a name="line.382"></a>
+<FONT color="green">382</FONT> values[0][i] = gen1.nextDouble();<a name="line.382"></a>
<FONT color="green">383</FONT> }<a name="line.383"></a>
-<FONT color="green">384</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.384"></a>
-<FONT color="green">385</FONT> for (int i = 0; i < len; i++) {<a name="line.385"></a>
-<FONT color="green">386</FONT> values[0][i] = gen1.nextFloat();<a name="line.386"></a>
-<FONT color="green">387</FONT> }<a name="line.387"></a>
+<FONT color="green">384</FONT> for (int i = 0; i < len; i++) {<a name="line.384"></a>
+<FONT color="green">385</FONT> values[1][i] = gen2.nextDouble();<a name="line.385"></a>
+<FONT color="green">386</FONT> }<a name="line.386"></a>
+<FONT color="green">387</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.387"></a>
<FONT color="green">388</FONT> for (int i = 0; i < len; i++) {<a name="line.388"></a>
-<FONT color="green">389</FONT> values[1][i] = gen2.nextFloat();<a name="line.389"></a>
+<FONT color="green">389</FONT> values[0][i] = gen1.nextFloat();<a name="line.389"></a>
<FONT color="green">390</FONT> }<a name="line.390"></a>
-<FONT color="green">391</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.391"></a>
-<FONT color="green">392</FONT> for (int i = 0; i < len; i++) {<a name="line.392"></a>
-<FONT color="green">393</FONT> values[0][i] = gen1.nextInt();<a name="line.393"></a>
-<FONT color="green">394</FONT> }<a name="line.394"></a>
+<FONT color="green">391</FONT> for (int i = 0; i < len; i++) {<a name="line.391"></a>
+<FONT color="green">392</FONT> values[1][i] = gen2.nextFloat();<a name="line.392"></a>
+<FONT color="green">393</FONT> }<a name="line.393"></a>
+<FONT color="green">394</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.394"></a>
<FONT color="green">395</FONT> for (int i = 0; i < len; i++) {<a name="line.395"></a>
-<FONT color="green">396</FONT> values[1][i] = gen2.nextInt();<a name="line.396"></a>
+<FONT color="green">396</FONT> values[0][i] = gen1.nextInt();<a name="line.396"></a>
<FONT color="green">397</FONT> }<a name="line.397"></a>
-<FONT color="green">398</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.398"></a>
-<FONT color="green">399</FONT> for (int i = 0; i < len; i++) {<a name="line.399"></a>
-<FONT color="green">400</FONT> values[0][i] = gen1.nextLong();<a name="line.400"></a>
-<FONT color="green">401</FONT> }<a name="line.401"></a>
+<FONT color="green">398</FONT> for (int i = 0; i < len; i++) {<a name="line.398"></a>
+<FONT color="green">399</FONT> values[1][i] = gen2.nextInt();<a name="line.399"></a>
+<FONT color="green">400</FONT> }<a name="line.400"></a>
+<FONT color="green">401</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.401"></a>
<FONT color="green">402</FONT> for (int i = 0; i < len; i++) {<a name="line.402"></a>
-<FONT color="green">403</FONT> values[1][i] = gen2.nextLong();<a name="line.403"></a>
+<FONT color="green">403</FONT> values[0][i] = gen1.nextLong();<a name="line.403"></a>
<FONT color="green">404</FONT> }<a name="line.404"></a>
-<FONT color="green">405</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.405"></a>
-<FONT color="green">406</FONT> for (int i = 0; i < len; i++) {<a name="line.406"></a>
-<FONT color="green">407</FONT> values[0][i] = gen1.nextInt(len);<a name="line.407"></a>
-<FONT color="green">408</FONT> }<a name="line.408"></a>
+<FONT color="green">405</FONT> for (int i = 0; i < len; i++) {<a name="line.405"></a>
+<FONT color="green">406</FONT> values[1][i] = gen2.nextLong();<a name="line.406"></a>
+<FONT color="green">407</FONT> }<a name="line.407"></a>
+<FONT color="green">408</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.408"></a>
<FONT color="green">409</FONT> for (int i = 0; i < len; i++) {<a name="line.409"></a>
-<FONT color="green">410</FONT> values[1][i] = gen2.nextInt(len);<a name="line.410"></a>
+<FONT color="green">410</FONT> values[0][i] = gen1.nextInt(len);<a name="line.410"></a>
<FONT color="green">411</FONT> }<a name="line.411"></a>
-<FONT color="green">412</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.412"></a>
-<FONT color="green">413</FONT> for (int i = 0; i < len; i++) {<a name="line.413"></a>
-<FONT color="green">414</FONT> values[0][i] = gen1.nextBoolean() ? 1 : 0;<a name="line.414"></a>
-<FONT color="green">415</FONT> }<a name="line.415"></a>
+<FONT color="green">412</FONT> for (int i = 0; i < len; i++) {<a name="line.412"></a>
+<FONT color="green">413</FONT> values[1][i] = gen2.nextInt(len);<a name="line.413"></a>
+<FONT color="green">414</FONT> }<a name="line.414"></a>
+<FONT color="green">415</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.415"></a>
<FONT color="green">416</FONT> for (int i = 0; i < len; i++) {<a name="line.416"></a>
-<FONT color="green">417</FONT> values[1][i] = gen2.nextBoolean() ? 1 : 0;<a name="line.417"></a>
+<FONT color="green">417</FONT> values[0][i] = gen1.nextBoolean() ? 1 : 0;<a name="line.417"></a>
<FONT color="green">418</FONT> }<a name="line.418"></a>
-<FONT color="green">419</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.419"></a>
-<FONT color="green">420</FONT> for (int i = 0; i < len; i++) {<a name="line.420"></a>
-<FONT color="green">421</FONT> values[0][i] = gen1.nextGaussian();<a name="line.421"></a>
-<FONT color="green">422</FONT> }<a name="line.422"></a>
+<FONT color="green">419</FONT> for (int i = 0; i < len; i++) {<a name="line.419"></a>
+<FONT color="green">420</FONT> values[1][i] = gen2.nextBoolean() ? 1 : 0;<a name="line.420"></a>
+<FONT color="green">421</FONT> }<a name="line.421"></a>
+<FONT color="green">422</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.422"></a>
<FONT color="green">423</FONT> for (int i = 0; i < len; i++) {<a name="line.423"></a>
-<FONT color="green">424</FONT> values[1][i] = gen2.nextGaussian();<a name="line.424"></a>
+<FONT color="green">424</FONT> values[0][i] = gen1.nextGaussian();<a name="line.424"></a>
<FONT color="green">425</FONT> }<a name="line.425"></a>
-<FONT color="green">426</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.426"></a>
-<FONT color="green">427</FONT> }<a name="line.427"></a>
-<FONT color="green">428</FONT> <a name="line.428"></a>
-<FONT color="green">429</FONT> }<a name="line.429"></a>
+<FONT color="green">426</FONT> for (int i = 0; i < len; i++) {<a name="line.426"></a>
+<FONT color="green">427</FONT> values[1][i] = gen2.nextGaussian();<a name="line.427"></a>
+<FONT color="green">428</FONT> }<a name="line.428"></a>
+<FONT color="green">429</FONT> Assert.assertTrue(Arrays.equals(values[0], values[1]));<a name="line.429"></a>
+<FONT color="green">430</FONT> }<a name="line.430"></a>
+<FONT color="green">431</FONT> <a name="line.431"></a>
+<FONT color="green">432</FONT> }<a name="line.432"></a>
Modified: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/SynchronizedRandomGeneratorTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/SynchronizedRandomGeneratorTest.html (original)
+++ websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/SynchronizedRandomGeneratorTest.html Sat Apr 6 23:42:01 2013
@@ -19,108 +19,105 @@
<FONT color="green">016</FONT> */<a name="line.16"></a>
<FONT color="green">017</FONT> package org.apache.commons.math3.random;<a name="line.17"></a>
<FONT color="green">018</FONT> <a name="line.18"></a>
-<FONT color="green">019</FONT> import java.util.List;<a name="line.19"></a>
-<FONT color="green">020</FONT> import java.util.ArrayList;<a name="line.20"></a>
-<FONT color="green">021</FONT> import java.util.Arrays;<a name="line.21"></a>
-<FONT color="green">022</FONT> import java.util.concurrent.TimeUnit;<a name="line.22"></a>
-<FONT color="green">023</FONT> import java.util.concurrent.Executors;<a name="line.23"></a>
-<FONT color="green">024</FONT> import java.util.concurrent.ExecutorService;<a name="line.24"></a>
-<FONT color="green">025</FONT> import java.util.concurrent.Callable;<a name="line.25"></a>
-<FONT color="green">026</FONT> import java.util.concurrent.Future;<a name="line.26"></a>
-<FONT color="green">027</FONT> import java.util.concurrent.ExecutionException;<a name="line.27"></a>
-<FONT color="green">028</FONT> <a name="line.28"></a>
-<FONT color="green">029</FONT> import org.junit.Test;<a name="line.29"></a>
-<FONT color="green">030</FONT> import org.junit.Assert;<a name="line.30"></a>
-<FONT color="green">031</FONT> <a name="line.31"></a>
-<FONT color="green">032</FONT> public class SynchronizedRandomGeneratorTest {<a name="line.32"></a>
-<FONT color="green">033</FONT> private final int numberOfThreads = 5;<a name="line.33"></a>
-<FONT color="green">034</FONT> private final int numberOfGenerators = 5;<a name="line.34"></a>
-<FONT color="green">035</FONT> private final int numberOfSamples = 100000;<a name="line.35"></a>
-<FONT color="green">036</FONT> <a name="line.36"></a>
-<FONT color="green">037</FONT> @Test<a name="line.37"></a>
-<FONT color="green">038</FONT> public void testAdapter() {<a name="line.38"></a>
-<FONT color="green">039</FONT> final int seed = 12345;<a name="line.39"></a>
-<FONT color="green">040</FONT> final RandomGenerator orig = new MersenneTwister(seed);<a name="line.40"></a>
-<FONT color="green">041</FONT> final RandomGenerator wrap<a name="line.41"></a>
-<FONT color="green">042</FONT> = new SynchronizedRandomGenerator(new MersenneTwister(seed));<a name="line.42"></a>
-<FONT color="green">043</FONT> <a name="line.43"></a>
-<FONT color="green">044</FONT> final int bSize = 67;<a name="line.44"></a>
-<FONT color="green">045</FONT> final byte[] bOrig = new byte[bSize];<a name="line.45"></a>
-<FONT color="green">046</FONT> final byte[] bWrap = new byte[bSize];<a name="line.46"></a>
-<FONT color="green">047</FONT> <a name="line.47"></a>
-<FONT color="green">048</FONT> for (int i = 0; i < 100; i++) {<a name="line.48"></a>
-<FONT color="green">049</FONT> orig.nextBytes(bOrig);<a name="line.49"></a>
-<FONT color="green">050</FONT> wrap.nextBytes(bWrap);<a name="line.50"></a>
-<FONT color="green">051</FONT> for (int k = 0; k < bSize; k++) {<a name="line.51"></a>
-<FONT color="green">052</FONT> Assert.assertEquals(bOrig[k], bWrap[k]);<a name="line.52"></a>
-<FONT color="green">053</FONT> }<a name="line.53"></a>
+<FONT color="green">019</FONT> import java.util.ArrayList;<a name="line.19"></a>
+<FONT color="green">020</FONT> import java.util.List;<a name="line.20"></a>
+<FONT color="green">021</FONT> import java.util.concurrent.Callable;<a name="line.21"></a>
+<FONT color="green">022</FONT> import java.util.concurrent.ExecutionException;<a name="line.22"></a>
+<FONT color="green">023</FONT> import java.util.concurrent.ExecutorService;<a name="line.23"></a>
+<FONT color="green">024</FONT> import java.util.concurrent.Executors;<a name="line.24"></a>
+<FONT color="green">025</FONT> import java.util.concurrent.Future;<a name="line.25"></a>
+<FONT color="green">026</FONT> <a name="line.26"></a>
+<FONT color="green">027</FONT> import org.junit.Assert;<a name="line.27"></a>
+<FONT color="green">028</FONT> import org.junit.Test;<a name="line.28"></a>
+<FONT color="green">029</FONT> <a name="line.29"></a>
+<FONT color="green">030</FONT> public class SynchronizedRandomGeneratorTest {<a name="line.30"></a>
+<FONT color="green">031</FONT> private final int numberOfThreads = 5;<a name="line.31"></a>
+<FONT color="green">032</FONT> private final int numberOfGenerators = 5;<a name="line.32"></a>
+<FONT color="green">033</FONT> private final int numberOfSamples = 100000;<a name="line.33"></a>
+<FONT color="green">034</FONT> <a name="line.34"></a>
+<FONT color="green">035</FONT> @Test<a name="line.35"></a>
+<FONT color="green">036</FONT> public void testAdapter() {<a name="line.36"></a>
+<FONT color="green">037</FONT> final int seed = 12345;<a name="line.37"></a>
+<FONT color="green">038</FONT> final RandomGenerator orig = new MersenneTwister(seed);<a name="line.38"></a>
+<FONT color="green">039</FONT> final RandomGenerator wrap<a name="line.39"></a>
+<FONT color="green">040</FONT> = new SynchronizedRandomGenerator(new MersenneTwister(seed));<a name="line.40"></a>
+<FONT color="green">041</FONT> <a name="line.41"></a>
+<FONT color="green">042</FONT> final int bSize = 67;<a name="line.42"></a>
+<FONT color="green">043</FONT> final byte[] bOrig = new byte[bSize];<a name="line.43"></a>
+<FONT color="green">044</FONT> final byte[] bWrap = new byte[bSize];<a name="line.44"></a>
+<FONT color="green">045</FONT> <a name="line.45"></a>
+<FONT color="green">046</FONT> for (int i = 0; i < 100; i++) {<a name="line.46"></a>
+<FONT color="green">047</FONT> orig.nextBytes(bOrig);<a name="line.47"></a>
+<FONT color="green">048</FONT> wrap.nextBytes(bWrap);<a name="line.48"></a>
+<FONT color="green">049</FONT> for (int k = 0; k < bSize; k++) {<a name="line.49"></a>
+<FONT color="green">050</FONT> Assert.assertEquals(bOrig[k], bWrap[k]);<a name="line.50"></a>
+<FONT color="green">051</FONT> }<a name="line.51"></a>
+<FONT color="green">052</FONT> <a name="line.52"></a>
+<FONT color="green">053</FONT> Assert.assertEquals(orig.nextInt(), wrap.nextInt());<a name="line.53"></a>
<FONT color="green">054</FONT> <a name="line.54"></a>
-<FONT color="green">055</FONT> Assert.assertEquals(orig.nextInt(), wrap.nextInt());<a name="line.55"></a>
-<FONT color="green">056</FONT> <a name="line.56"></a>
-<FONT color="green">057</FONT> final int range = (i + 1) * 89;<a name="line.57"></a>
-<FONT color="green">058</FONT> Assert.assertEquals(orig.nextInt(range), wrap.nextInt(range));<a name="line.58"></a>
-<FONT color="green">059</FONT> <a name="line.59"></a>
-<FONT color="green">060</FONT> Assert.assertEquals(orig.nextLong(), wrap.nextLong());<a name="line.60"></a>
-<FONT color="green">061</FONT> Assert.assertEquals(orig.nextBoolean(), wrap.nextBoolean());<a name="line.61"></a>
-<FONT color="green">062</FONT> Assert.assertEquals(orig.nextFloat(), wrap.nextFloat(), 0);<a name="line.62"></a>
-<FONT color="green">063</FONT> Assert.assertEquals(orig.nextDouble(), wrap.nextDouble(), 0);<a name="line.63"></a>
-<FONT color="green">064</FONT> Assert.assertEquals(orig.nextGaussian(), wrap.nextGaussian(), 0);<a name="line.64"></a>
-<FONT color="green">065</FONT> <a name="line.65"></a>
-<FONT color="green">066</FONT> }<a name="line.66"></a>
-<FONT color="green">067</FONT> }<a name="line.67"></a>
-<FONT color="green">068</FONT> <a name="line.68"></a>
-<FONT color="green">069</FONT> @Test<a name="line.69"></a>
-<FONT color="green">070</FONT> public void testMath899Sync() throws Throwable {<a name="line.70"></a>
-<FONT color="green">071</FONT> double[] v = null;<a name="line.71"></a>
-<FONT color="green">072</FONT> try {<a name="line.72"></a>
-<FONT color="green">073</FONT> // Running the test several times in order to decrease the<a name="line.73"></a>
-<FONT color="green">074</FONT> // probability that a non-thread-safe code did not trigger<a name="line.74"></a>
-<FONT color="green">075</FONT> // a concurrency problem.<a name="line.75"></a>
-<FONT color="green">076</FONT> for (int i = 0; i < 10; i++) {<a name="line.76"></a>
-<FONT color="green">077</FONT> v = doTestMath899(true, numberOfThreads, numberOfGenerators, numberOfSamples);<a name="line.77"></a>
-<FONT color="green">078</FONT> }<a name="line.78"></a>
-<FONT color="green">079</FONT> } catch (InterruptedException e) {<a name="line.79"></a>
-<FONT color="green">080</FONT> Assert.fail(e.getMessage());<a name="line.80"></a>
-<FONT color="green">081</FONT> } catch (ExecutionException e) {<a name="line.81"></a>
-<FONT color="green">082</FONT> throw e.getCause();<a name="line.82"></a>
-<FONT color="green">083</FONT> }<a name="line.83"></a>
-<FONT color="green">084</FONT> }<a name="line.84"></a>
-<FONT color="green">085</FONT> <a name="line.85"></a>
-<FONT color="green">086</FONT> /**<a name="line.86"></a>
-<FONT color="green">087</FONT> * @param sync Whether to use a synchronizing wrapper.<a name="line.87"></a>
-<FONT color="green">088</FONT> */<a name="line.88"></a>
-<FONT color="green">089</FONT> private double[] doTestMath899(final boolean sync,<a name="line.89"></a>
-<FONT color="green">090</FONT> final int numThreads,<a name="line.90"></a>
-<FONT color="green">091</FONT> final int numGenerators,<a name="line.91"></a>
-<FONT color="green">092</FONT> final int numSamples)<a name="line.92"></a>
-<FONT color="green">093</FONT> throws InterruptedException,<a name="line.93"></a>
-<FONT color="green">094</FONT> ExecutionException {<a name="line.94"></a>
-<FONT color="green">095</FONT> final RandomGenerator rng = new MersenneTwister();<a name="line.95"></a>
-<FONT color="green">096</FONT> final RandomGenerator wrapper = sync ? new SynchronizedRandomGenerator(rng) : rng;<a name="line.96"></a>
-<FONT color="green">097</FONT> <a name="line.97"></a>
-<FONT color="green">098</FONT> final List<Callable<Double>> tasks = new ArrayList<Callable<Double>>();<a name="line.98"></a>
-<FONT color="green">099</FONT> for (int i = 0; i < numGenerators; i++) {<a name="line.99"></a>
-<FONT color="green">100</FONT> tasks.add(new Callable<Double>() {<a name="line.100"></a>
-<FONT color="green">101</FONT> public Double call() {<a name="line.101"></a>
-<FONT color="green">102</FONT> Double lastValue = 0d;<a name="line.102"></a>
-<FONT color="green">103</FONT> for (int j = 0; j < numSamples; j++) {<a name="line.103"></a>
-<FONT color="green">104</FONT> lastValue = wrapper.nextGaussian();<a name="line.104"></a>
-<FONT color="green">105</FONT> }<a name="line.105"></a>
-<FONT color="green">106</FONT> return lastValue;<a name="line.106"></a>
-<FONT color="green">107</FONT> }<a name="line.107"></a>
-<FONT color="green">108</FONT> });<a name="line.108"></a>
-<FONT color="green">109</FONT> }<a name="line.109"></a>
+<FONT color="green">055</FONT> final int range = (i + 1) * 89;<a name="line.55"></a>
+<FONT color="green">056</FONT> Assert.assertEquals(orig.nextInt(range), wrap.nextInt(range));<a name="line.56"></a>
+<FONT color="green">057</FONT> <a name="line.57"></a>
+<FONT color="green">058</FONT> Assert.assertEquals(orig.nextLong(), wrap.nextLong());<a name="line.58"></a>
+<FONT color="green">059</FONT> Assert.assertEquals(orig.nextBoolean(), wrap.nextBoolean());<a name="line.59"></a>
+<FONT color="green">060</FONT> Assert.assertEquals(orig.nextFloat(), wrap.nextFloat(), 0);<a name="line.60"></a>
+<FONT color="green">061</FONT> Assert.assertEquals(orig.nextDouble(), wrap.nextDouble(), 0);<a name="line.61"></a>
+<FONT color="green">062</FONT> Assert.assertEquals(orig.nextGaussian(), wrap.nextGaussian(), 0);<a name="line.62"></a>
+<FONT color="green">063</FONT> <a name="line.63"></a>
+<FONT color="green">064</FONT> }<a name="line.64"></a>
+<FONT color="green">065</FONT> }<a name="line.65"></a>
+<FONT color="green">066</FONT> <a name="line.66"></a>
+<FONT color="green">067</FONT> @Test<a name="line.67"></a>
+<FONT color="green">068</FONT> public void testMath899Sync() throws Throwable {<a name="line.68"></a>
+<FONT color="green">069</FONT> try {<a name="line.69"></a>
+<FONT color="green">070</FONT> // Running the test several times in order to decrease the<a name="line.70"></a>
+<FONT color="green">071</FONT> // probability that a non-thread-safe code did not trigger<a name="line.71"></a>
+<FONT color="green">072</FONT> // a concurrency problem.<a name="line.72"></a>
+<FONT color="green">073</FONT> for (int i = 0; i < 10; i++) {<a name="line.73"></a>
+<FONT color="green">074</FONT> doTestMath899(true, numberOfThreads, numberOfGenerators, numberOfSamples);<a name="line.74"></a>
+<FONT color="green">075</FONT> }<a name="line.75"></a>
+<FONT color="green">076</FONT> } catch (InterruptedException e) {<a name="line.76"></a>
+<FONT color="green">077</FONT> Assert.fail(e.getMessage());<a name="line.77"></a>
+<FONT color="green">078</FONT> } catch (ExecutionException e) {<a name="line.78"></a>
+<FONT color="green">079</FONT> throw e.getCause();<a name="line.79"></a>
+<FONT color="green">080</FONT> }<a name="line.80"></a>
+<FONT color="green">081</FONT> }<a name="line.81"></a>
+<FONT color="green">082</FONT> <a name="line.82"></a>
+<FONT color="green">083</FONT> /**<a name="line.83"></a>
+<FONT color="green">084</FONT> * @param sync Whether to use a synchronizing wrapper.<a name="line.84"></a>
+<FONT color="green">085</FONT> */<a name="line.85"></a>
+<FONT color="green">086</FONT> private double[] doTestMath899(final boolean sync,<a name="line.86"></a>
+<FONT color="green">087</FONT> final int numThreads,<a name="line.87"></a>
+<FONT color="green">088</FONT> final int numGenerators,<a name="line.88"></a>
+<FONT color="green">089</FONT> final int numSamples)<a name="line.89"></a>
+<FONT color="green">090</FONT> throws InterruptedException,<a name="line.90"></a>
+<FONT color="green">091</FONT> ExecutionException {<a name="line.91"></a>
+<FONT color="green">092</FONT> final RandomGenerator rng = new MersenneTwister();<a name="line.92"></a>
+<FONT color="green">093</FONT> final RandomGenerator wrapper = sync ? new SynchronizedRandomGenerator(rng) : rng;<a name="line.93"></a>
+<FONT color="green">094</FONT> <a name="line.94"></a>
+<FONT color="green">095</FONT> final List<Callable<Double>> tasks = new ArrayList<Callable<Double>>();<a name="line.95"></a>
+<FONT color="green">096</FONT> for (int i = 0; i < numGenerators; i++) {<a name="line.96"></a>
+<FONT color="green">097</FONT> tasks.add(new Callable<Double>() {<a name="line.97"></a>
+<FONT color="green">098</FONT> public Double call() {<a name="line.98"></a>
+<FONT color="green">099</FONT> Double lastValue = 0d;<a name="line.99"></a>
+<FONT color="green">100</FONT> for (int j = 0; j < numSamples; j++) {<a name="line.100"></a>
+<FONT color="green">101</FONT> lastValue = wrapper.nextGaussian();<a name="line.101"></a>
+<FONT color="green">102</FONT> }<a name="line.102"></a>
+<FONT color="green">103</FONT> return lastValue;<a name="line.103"></a>
+<FONT color="green">104</FONT> }<a name="line.104"></a>
+<FONT color="green">105</FONT> });<a name="line.105"></a>
+<FONT color="green">106</FONT> }<a name="line.106"></a>
+<FONT color="green">107</FONT> <a name="line.107"></a>
+<FONT color="green">108</FONT> final ExecutorService exec = Executors.newFixedThreadPool(numThreads);<a name="line.108"></a>
+<FONT color="green">109</FONT> final List<Future<Double>> results = exec.invokeAll(tasks);<a name="line.109"></a>
<FONT color="green">110</FONT> <a name="line.110"></a>
-<FONT color="green">111</FONT> final ExecutorService exec = Executors.newFixedThreadPool(numThreads);<a name="line.111"></a>
-<FONT color="green">112</FONT> final List<Future<Double>> results = exec.invokeAll(tasks);<a name="line.112"></a>
-<FONT color="green">113</FONT> <a name="line.113"></a>
-<FONT color="green">114</FONT> final double[] values = new double[numGenerators];<a name="line.114"></a>
-<FONT color="green">115</FONT> for (int i = 0; i < numGenerators; i++) {<a name="line.115"></a>
-<FONT color="green">116</FONT> values[i] = results.get(i).get();<a name="line.116"></a>
-<FONT color="green">117</FONT> }<a name="line.117"></a>
-<FONT color="green">118</FONT> return values;<a name="line.118"></a>
-<FONT color="green">119</FONT> }<a name="line.119"></a>
-<FONT color="green">120</FONT> }<a name="line.120"></a>
+<FONT color="green">111</FONT> final double[] values = new double[numGenerators];<a name="line.111"></a>
+<FONT color="green">112</FONT> for (int i = 0; i < numGenerators; i++) {<a name="line.112"></a>
+<FONT color="green">113</FONT> values[i] = results.get(i).get();<a name="line.113"></a>
+<FONT color="green">114</FONT> }<a name="line.114"></a>
+<FONT color="green">115</FONT> return values;<a name="line.115"></a>
+<FONT color="green">116</FONT> }<a name="line.116"></a>
+<FONT color="green">117</FONT> }<a name="line.117"></a>
Added: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/UnitSphereRandomVectorGeneratorTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/UnitSphereRandomVectorGeneratorTest.html (added)
+++ websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/UnitSphereRandomVectorGeneratorTest.html Sat Apr 6 23:42:01 2013
@@ -0,0 +1,134 @@
+<HTML>
+<BODY BGCOLOR="white">
+<PRE>
+<FONT color="green">001</FONT> /*<a name="line.1"></a>
+<FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
+<FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
+<FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
+<FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
+<FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
+<FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a>
+<FONT color="green">008</FONT> *<a name="line.8"></a>
+<FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<FONT color="green">010</FONT> *<a name="line.10"></a>
+<FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
+<FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
+<FONT color="green">014</FONT> * See the License for the specific language governing permissions and<a name="line.14"></a>
+<FONT color="green">015</FONT> * limitations under the License.<a name="line.15"></a>
+<FONT color="green">016</FONT> */<a name="line.16"></a>
+<FONT color="green">017</FONT> package org.apache.commons.math3.random;<a name="line.17"></a>
+<FONT color="green">018</FONT> <a name="line.18"></a>
+<FONT color="green">019</FONT> import org.apache.commons.math3.util.FastMath;<a name="line.19"></a>
+<FONT color="green">020</FONT> import org.junit.Assert;<a name="line.20"></a>
+<FONT color="green">021</FONT> import org.junit.Test;<a name="line.21"></a>
+<FONT color="green">022</FONT> <a name="line.22"></a>
+<FONT color="green">023</FONT> public class UnitSphereRandomVectorGeneratorTest {<a name="line.23"></a>
+<FONT color="green">024</FONT> /**<a name="line.24"></a>
+<FONT color="green">025</FONT> * Test the distribution of points from {@link UnitSphereRandomVectorGenerator#nextVector()}<a name="line.25"></a>
+<FONT color="green">026</FONT> * in two dimensions.<a name="line.26"></a>
+<FONT color="green">027</FONT> */<a name="line.27"></a>
+<FONT color="green">028</FONT> @Test<a name="line.28"></a>
+<FONT color="green">029</FONT> public void test2DDistribution() {<a name="line.29"></a>
+<FONT color="green">030</FONT> <a name="line.30"></a>
+<FONT color="green">031</FONT> RandomGenerator rg = new JDKRandomGenerator();<a name="line.31"></a>
+<FONT color="green">032</FONT> rg.setSeed(17399225432l);<a name="line.32"></a>
+<FONT color="green">033</FONT> UnitSphereRandomVectorGenerator generator = new UnitSphereRandomVectorGenerator(2, rg);<a name="line.33"></a>
+<FONT color="green">034</FONT> <a name="line.34"></a>
+<FONT color="green">035</FONT> // In 2D, angles with a given vector should be uniformly distributed<a name="line.35"></a>
+<FONT color="green">036</FONT> int[] angleBuckets = new int[100];<a name="line.36"></a>
+<FONT color="green">037</FONT> int steps = 1000000;<a name="line.37"></a>
+<FONT color="green">038</FONT> for (int i = 0; i < steps; ++i) {<a name="line.38"></a>
+<FONT color="green">039</FONT> final double[] v = generator.nextVector();<a name="line.39"></a>
+<FONT color="green">040</FONT> Assert.assertEquals(2, v.length);<a name="line.40"></a>
+<FONT color="green">041</FONT> Assert.assertEquals(1, length(v), 1e-10);<a name="line.41"></a>
+<FONT color="green">042</FONT> // Compute angle formed with vector (1,0)<a name="line.42"></a>
+<FONT color="green">043</FONT> // Cosine of angle is their dot product, because both are unit length<a name="line.43"></a>
+<FONT color="green">044</FONT> // Dot product here is just the first element of the vector by construction<a name="line.44"></a>
+<FONT color="green">045</FONT> final double angle = FastMath.acos(v[0]);<a name="line.45"></a>
+<FONT color="green">046</FONT> final int bucket = (int) (angleBuckets.length * (angle / FastMath.PI));<a name="line.46"></a>
+<FONT color="green">047</FONT> ++angleBuckets[bucket];<a name="line.47"></a>
+<FONT color="green">048</FONT> }<a name="line.48"></a>
+<FONT color="green">049</FONT> <a name="line.49"></a>
+<FONT color="green">050</FONT> // Simplistic test for roughly even distribution<a name="line.50"></a>
+<FONT color="green">051</FONT> final int expectedBucketSize = steps / angleBuckets.length;<a name="line.51"></a>
+<FONT color="green">052</FONT> for (int bucket : angleBuckets) {<a name="line.52"></a>
+<FONT color="green">053</FONT> Assert.assertTrue("Bucket count " + bucket + " vs expected " + expectedBucketSize,<a name="line.53"></a>
+<FONT color="green">054</FONT> FastMath.abs(expectedBucketSize - bucket) < 350);<a name="line.54"></a>
+<FONT color="green">055</FONT> }<a name="line.55"></a>
+<FONT color="green">056</FONT> }<a name="line.56"></a>
+<FONT color="green">057</FONT> <a name="line.57"></a>
+<FONT color="green">058</FONT> /**<a name="line.58"></a>
+<FONT color="green">059</FONT> * @return length (L2 norm) of given vector<a name="line.59"></a>
+<FONT color="green">060</FONT> */<a name="line.60"></a>
+<FONT color="green">061</FONT> private static double length(double[] vector) {<a name="line.61"></a>
+<FONT color="green">062</FONT> double total = 0;<a name="line.62"></a>
+<FONT color="green">063</FONT> for (double d : vector) {<a name="line.63"></a>
+<FONT color="green">064</FONT> total += d * d;<a name="line.64"></a>
+<FONT color="green">065</FONT> }<a name="line.65"></a>
+<FONT color="green">066</FONT> return FastMath.sqrt(total);<a name="line.66"></a>
+<FONT color="green">067</FONT> }<a name="line.67"></a>
+<FONT color="green">068</FONT> }<a name="line.68"></a>
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+</HTML>
Propchange: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/UnitSphereRandomVectorGeneratorTest.html
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svn:eol-style = native
Propchange: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/UnitSphereRandomVectorGeneratorTest.html
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svn:keywords = Author Date Id Revision
Modified: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/Well512aTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/Well512aTest.html (original)
+++ websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/random/Well512aTest.html Sat Apr 6 23:42:01 2013
@@ -26,7 +26,7 @@
<FONT color="green">023</FONT> <a name="line.23"></a>
<FONT color="green">024</FONT> @Override<a name="line.24"></a>
<FONT color="green">025</FONT> public RandomGenerator makeGenerator() {<a name="line.25"></a>
-<FONT color="green">026</FONT> return new Well512a(100);<a name="line.26"></a>
+<FONT color="green">026</FONT> return new Well512a(101);<a name="line.26"></a>
<FONT color="green">027</FONT> }<a name="line.27"></a>
<FONT color="green">028</FONT> @Test<a name="line.28"></a>
<FONT color="green">029</FONT> public void testReferenceCode() {<a name="line.29"></a>
Modified: websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/special/ErfTest.html
==============================================================================
--- websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/special/ErfTest.html (original)
+++ websites/production/commons/content/proper/commons-math/testapidocs/src-html/org/apache/commons/math3/special/ErfTest.html Sat Apr 6 23:42:01 2013
@@ -27,7 +27,7 @@
<FONT color="green">024</FONT> import org.junit.Assert;<a name="line.24"></a>
<FONT color="green">025</FONT> <a name="line.25"></a>
<FONT color="green">026</FONT> /**<a name="line.26"></a>
-<FONT color="green">027</FONT> * @version $Id: ErfTest.java 1364030 2012-07-21 01:10:04Z erans $<a name="line.27"></a>
+<FONT color="green">027</FONT> * @version $Id: ErfTest.java 1456905 2013-03-15 11:37:35Z luc $<a name="line.27"></a>
<FONT color="green">028</FONT> */<a name="line.28"></a>
<FONT color="green">029</FONT> public class ErfTest {<a name="line.29"></a>
<FONT color="green">030</FONT> @Test<a name="line.30"></a>
@@ -216,7 +216,53 @@
<FONT color="green">213</FONT> }<a name="line.213"></a>
<FONT color="green">214</FONT> }<a name="line.214"></a>
<FONT color="green">215</FONT> }<a name="line.215"></a>
-<FONT color="green">216</FONT> }<a name="line.216"></a>
+<FONT color="green">216</FONT> <a name="line.216"></a>
+<FONT color="green">217</FONT> @Test<a name="line.217"></a>
+<FONT color="green">218</FONT> public void testErfInvNaN() {<a name="line.218"></a>
+<FONT color="green">219</FONT> Assert.assertTrue(Double.isNaN(Erf.erfInv(-1.001)));<a name="line.219"></a>
+<FONT color="green">220</FONT> Assert.assertTrue(Double.isNaN(Erf.erfInv(+1.001)));<a name="line.220"></a>
+<FONT color="green">221</FONT> }<a name="line.221"></a>
+<FONT color="green">222</FONT> <a name="line.222"></a>
+<FONT color="green">223</FONT> @Test<a name="line.223"></a>
+<FONT color="green">224</FONT> public void testErfInvInfinite() {<a name="line.224"></a>
+<FONT color="green">225</FONT> Assert.assertTrue(Double.isInfinite(Erf.erfInv(-1)));<a name="line.225"></a>
+<FONT color="green">226</FONT> Assert.assertTrue(Erf.erfInv(-1) < 0);<a name="line.226"></a>
+<FONT color="green">227</FONT> Assert.assertTrue(Double.isInfinite(Erf.erfInv(+1)));<a name="line.227"></a>
+<FONT color="green">228</FONT> Assert.assertTrue(Erf.erfInv(+1) > 0);<a name="line.228"></a>
+<FONT color="green">229</FONT> }<a name="line.229"></a>
+<FONT color="green">230</FONT> <a name="line.230"></a>
+<FONT color="green">231</FONT> @Test<a name="line.231"></a>
+<FONT color="green">232</FONT> public void testErfInv() {<a name="line.232"></a>
+<FONT color="green">233</FONT> for (double x = -5.9; x < 5.9; x += 0.01) {<a name="line.233"></a>
+<FONT color="green">234</FONT> final double y = Erf.erf(x);<a name="line.234"></a>
+<FONT color="green">235</FONT> final double dydx = 2 * FastMath.exp(-x * x) / FastMath.sqrt(FastMath.PI);<a name="line.235"></a>
+<FONT color="green">236</FONT> Assert.assertEquals(x, Erf.erfInv(y), 1.0e-15 / dydx);<a name="line.236"></a>
+<FONT color="green">237</FONT> }<a name="line.237"></a>
+<FONT color="green">238</FONT> }<a name="line.238"></a>
+<FONT color="green">239</FONT> <a name="line.239"></a>
+<FONT color="green">240</FONT> @Test<a name="line.240"></a>
+<FONT color="green">241</FONT> public void testErfcInvNaN() {<a name="line.241"></a>
+<FONT color="green">242</FONT> Assert.assertTrue(Double.isNaN(Erf.erfcInv(-0.001)));<a name="line.242"></a>
+<FONT color="green">243</FONT> Assert.assertTrue(Double.isNaN(Erf.erfcInv(+2.001)));<a name="line.243"></a>
+<FONT color="green">244</FONT> }<a name="line.244"></a>
+<FONT color="green">245</FONT> <a name="line.245"></a>
+<FONT color="green">246</FONT> @Test<a name="line.246"></a>
+<FONT color="green">247</FONT> public void testErfcInvInfinite() {<a name="line.247"></a>
+<FONT color="green">248</FONT> Assert.assertTrue(Double.isInfinite(Erf.erfcInv(-0)));<a name="line.248"></a>
+<FONT color="green">249</FONT> Assert.assertTrue(Erf.erfcInv( 0) > 0);<a name="line.249"></a>
+<FONT color="green">250</FONT> Assert.assertTrue(Double.isInfinite(Erf.erfcInv(+2)));<a name="line.250"></a>
+<FONT color="green">251</FONT> Assert.assertTrue(Erf.erfcInv(+2) < 0);<a name="line.251"></a>
+<FONT color="green">252</FONT> }<a name="line.252"></a>
+<FONT color="green">253</FONT> <a name="line.253"></a>
+<FONT color="green">254</FONT> @Test<a name="line.254"></a>
+<FONT color="green">255</FONT> public void testErfcInv() {<a name="line.255"></a>
+<FONT color="green">256</FONT> for (double x = -5.85; x < 5.9; x += 0.01) {<a name="line.256"></a>
+<FONT color="green">257</FONT> final double y = Erf.erfc(x);<a name="line.257"></a>
+<FONT color="green">258</FONT> final double dydxAbs = 2 * FastMath.exp(-x * x) / FastMath.sqrt(FastMath.PI);<a name="line.258"></a>
+<FONT color="green">259</FONT> Assert.assertEquals(x, Erf.erfcInv(y), 1.0e-15 / dydxAbs);<a name="line.259"></a>
+<FONT color="green">260</FONT> }<a name="line.260"></a>
+<FONT color="green">261</FONT> }<a name="line.261"></a>
+<FONT color="green">262</FONT> }<a name="line.262"></a>