Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id F3DA8200C5A for ; Tue, 18 Apr 2017 17:27:46 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id F2A83160BB2; Tue, 18 Apr 2017 15:27:46 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 4FF15160B90 for ; Tue, 18 Apr 2017 17:27:46 +0200 (CEST) Received: (qmail 5309 invoked by uid 500); 18 Apr 2017 15:27:44 -0000 Mailing-List: contact issues-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: issues@commons.apache.org Delivered-To: mailing list issues@commons.apache.org Received: (qmail 5298 invoked by uid 99); 18 Apr 2017 15:27:44 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Apr 2017 15:27:44 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id DA82BC0027 for ; Tue, 18 Apr 2017 15:27:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.002 X-Spam-Level: X-Spam-Status: No, score=-100.002 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id d9lOqMt6wqKk for ; Tue, 18 Apr 2017 15:27:43 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 8A2AE5FDCB for ; Tue, 18 Apr 2017 15:27:42 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id E0590E00A6 for ; Tue, 18 Apr 2017 15:27:41 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 9D1F521B45 for ; Tue, 18 Apr 2017 15:27:41 +0000 (UTC) Date: Tue, 18 Apr 2017 15:27:41 +0000 (UTC) From: "Rob Tompkins (JIRA)" To: issues@commons.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (MATH-1215) Allow solvers to return "Complex" roots MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 18 Apr 2017 15:27:47 -0000 [ https://issues.apache.org/jira/browse/MATH-1215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Rob Tompkins updated MATH-1215: ------------------------------- Fix Version/s: (was: 4.0) 4.X > Allow solvers to return "Complex" roots > --------------------------------------- > > Key: MATH-1215 > URL: https://issues.apache.org/jira/browse/MATH-1215 > Project: Commons Math > Issue Type: Improvement > Reporter: Gilles > Priority: Minor > Labels: API, design > Fix For: 4.X > > > Some solvers in {{o.a.c.m.analysis.solvers}} are able to return the set of all complex roots of a function (namely "LaguerreSolver"). > However, the functionality does not fit with the overall design of the classes in this package which focus of computing one real ("double") root within a user-defined interval. > An idea is to provide a "ComplexSolver" public interface whose "solve" method would return a "Complex[]" containing the complex roots. > Moreover some time ago, we decided to modify the Commons Math API so as to provide the "fluent API" idiom. -- This message was sent by Atlassian JIRA (v6.3.15#6346)