# IGNITE-453 drop scalar Pi example as there is no java counterpart.
Project: http://git-wip-us.apache.org/repos/asf/incubator-ignite/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-ignite/commit/87927343 Tree: http://git-wip-us.apache.org/repos/asf/incubator-ignite/tree/87927343 Diff: http://git-wip-us.apache.org/repos/asf/incubator-ignite/diff/87927343 Branch: refs/heads/ignite-421 Commit: 8792734393f62549d804c61c151113951446916a Parents: ce38fd4 Author: AKuznetsov <akuznet...@gridgain.com> Authored: Mon Mar 16 15:47:25 2015 +0700 Committer: AKuznetsov <akuznet...@gridgain.com> Committed: Mon Mar 16 15:47:25 2015 +0700 ---------------------------------------------------------------------- .../examples/ScalarPiCalculationExample.scala | 55 -------------------- .../tests/examples/ScalarExamplesSelfTest.scala | 5 -- 2 files changed, 60 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/87927343/examples/src/main/scala/org/apache/ignite/scalar/examples/ScalarPiCalculationExample.scala ---------------------------------------------------------------------- diff --git a/examples/src/main/scala/org/apache/ignite/scalar/examples/ScalarPiCalculationExample.scala b/examples/src/main/scala/org/apache/ignite/scalar/examples/ScalarPiCalculationExample.scala deleted file mode 100644 index 42dcb20..0000000 --- a/examples/src/main/scala/org/apache/ignite/scalar/examples/ScalarPiCalculationExample.scala +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.scalar.examples - -import org.apache.ignite.scalar.scalar -import org.apache.ignite.scalar.scalar._ - -import scala.math._ - -/** - * This example calculates Pi number in parallel on the ignite cluster. Note that these few - * lines of code work on one node, two nodes or hundreds of nodes without any changes - * or any explicit deployment. - * <p> - * Remote nodes should always be started with special configuration file which - * enables P2P class loading: `'ignite.{sh|bat} examples/config/example-compute.xml'`. - */ -object ScalarPiCalculationExample { - /** Number of iterations per node. */ - private val N = 10000 - - def main(args: Array[String]) { - scalar("examples/config/example-compute.xml") { - val jobs = for (i <- 0 until ignite$.cluster().nodes().size()) yield () => calcPi(i * N) - - println("Pi estimate: " + ignite$.reduce$[Double, Double](jobs, _.sum, null)) - } - } - - /** - * Calculates Pi range starting with given number. - * - * @param start Start the of the `{start, start + N}` range. - * @return Range calculation. - */ - def calcPi(start: Int): Double = - // Nilakantha algorithm. - ((max(start, 1) until (start + N)) map (i => 4.0 * (2 * (i % 2) - 1) / (2 * i) / (2 * i + 1) / (2 * i + 2))) - .sum + (if (start == 0) 3 else 0) -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/87927343/examples/src/test/scala/org/apache/ignite/scalar/tests/examples/ScalarExamplesSelfTest.scala ---------------------------------------------------------------------- diff --git a/examples/src/test/scala/org/apache/ignite/scalar/tests/examples/ScalarExamplesSelfTest.scala b/examples/src/test/scala/org/apache/ignite/scalar/tests/examples/ScalarExamplesSelfTest.scala index 6852ac9..97d0cf5 100644 --- a/examples/src/test/scala/org/apache/ignite/scalar/tests/examples/ScalarExamplesSelfTest.scala +++ b/examples/src/test/scala/org/apache/ignite/scalar/tests/examples/ScalarExamplesSelfTest.scala @@ -70,11 +70,6 @@ class ScalarExamplesSelfTest extends GridAbstractExamplesTest with JUnitSuiteLik } /** */ - def testScalarPiCalculationExample() { - ScalarPiCalculationExample.main(EMPTY_ARGS) - } - - /** */ def testScalarPingPongExample() { scalar("modules/scalar/src/test/resources/spring-ping-pong-partner.xml") { ScalarPingPongExample.main(EMPTY_ARGS)
