Return-Path: Delivered-To: apmail-commons-commits-archive@locus.apache.org Received: (qmail 77253 invoked from network); 5 Oct 2008 19:17:10 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 5 Oct 2008 19:17:10 -0000 Received: (qmail 51656 invoked by uid 500); 5 Oct 2008 19:17:09 -0000 Delivered-To: apmail-commons-commits-archive@commons.apache.org Received: (qmail 51237 invoked by uid 500); 5 Oct 2008 19:17:08 -0000 Mailing-List: contact commits-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@commons.apache.org Delivered-To: mailing list commits@commons.apache.org Received: (qmail 51228 invoked by uid 99); 5 Oct 2008 19:17:08 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Oct 2008 12:17:08 -0700 X-ASF-Spam-Status: No, hits=-1998.7 required=10.0 tests=ALL_TRUSTED,DNS_FROM_DOB,DNS_FROM_SECURITYSAGE,RCVD_IN_DOB X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO eris.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Oct 2008 19:16:13 +0000 Received: by eris.apache.org (Postfix, from userid 65534) id 8E2EF238895F; Sun, 5 Oct 2008 12:16:18 -0700 (PDT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: svn commit: r701857 - /commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java Date: Sun, 05 Oct 2008 19:16:18 -0000 To: commits@commons.apache.org From: luc@apache.org X-Mailer: svnmailer-1.0.8 Message-Id: <20081005191618.8E2EF238895F@eris.apache.org> X-Virus-Checked: Checked by ClamAV on apache.org Author: luc Date: Sun Oct 5 12:16:18 2008 New Revision: 701857 URL: http://svn.apache.org/viewvc?rev=701857&view=rev Log: removed unneeded multiplications by zero by separating the first iteration from the following ones in a loop (once again ...) Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java Modified: commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java URL: http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java?rev=701857&r1=701856&r2=701857&view=diff ============================================================================== --- commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java (original) +++ commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/linear/TriDiagonalTransformer.java Sun Oct 5 12:16:18 2008 @@ -123,12 +123,12 @@ for (int j = k + 1; j < m; ++j) { final double[] qtJ = qtData[j]; beta = 0; - for (int i = k; i < m; ++i) { + for (int i = k + 1; i < m; ++i) { beta += qtJ[i] * hK[i]; } beta *= inv; - - for (int i = k; i < m; ++i) { + qtJ[k] = beta * hK[k]; + for (int i = k + 1; i < m; ++i) { qtJ[i] += beta * hK[i]; } }