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QMG 2.0 Copyright Notice and License Agreement

QMG is Copyright ©1995-1999 by Cornell University.

This software was developed by Stephen A. Vavasis and others at Cornell University noted in the source files. Email: vavasis@cs.cornell.edu.

Parts of the software incorporate Tcl/Tk. The copyright for Tcl/Tk is shown below.

Parts of the software incorporate XDR. The copyright notice for XDR is shown below.

Parts of the software incorporate TkCon. The copyright notice for TkCon is shown below.

Parts of the software incorporate LAPACK. LAPACK appears to be public domain and was written by E. Anderson, Z. Bai, C. Bischof, J. Demmel, J. Dongarra, J. Du Croz, A. Greenbaum, S. Hammarling, A. McKenney, S. Ostrouchov, D. Sorensen and others.

Parts of the software incorporate doubledouble, written and copyright by Keith Briggs. Keith Briggs has permitted a segment of doubledouble to be distributed with QMG under the same terms as QMG. A portion of doubledouble is also copyright by W. Kahan. W. Kahan has permitted that segment to also be distributed under the same license terms as QMG, with the following additional license provisions noted below.

The algorithms incorporated in the software were developed primarily by Vavasis, except: The quadtree/octree mesh generator is based on an algorithm developed by Scott A. Mitchell and Vavasis.

For more information contact the author directly.

QMG 2.0 license terms and conditions

  1. The "Software", below, refers to the QMG system and related documentation (developed by S. Vavasis and others Cornell noted in the source files), and a "work based on the Software" means a work based on either the Software, on part of the Software, or on any derivative work of the Software under copyright law: that is, a work containing all or a portion of the QMG System, either verbatim or with modifications. Each licensee is addressed as "you" or "Licensee."
  2. Cornell University as the parent organization of the QMG Project holds copyrights in the Software. The copyright holder reserves all rights except those expressly granted to licensees, and U.S. Government license rights.
  3. Permission is hereby granted to use, copy, modify, and to redistribute to others. If you distribute a copy or copies of the Software, or you modify a copy or copies of the Software or any portion of it, thus forming a work based on the Software, and make and/or distribute copies of such work, you must meet the following conditions:
    1. If you make a copy of the Software (modified or verbatim) it must include the copyright notice and this license.
    2. You must cause the modified Software to carry prominent notices stating that you changed specified portions of the Software.
  4. LICENSEE AGREES THAT THE EXPORT OF GOODS AND/OR TECHNICAL DATA FROM THE UNITED STATES MAY REQUIRE SOME FORM OF EXPORT CONTROL LICENSE FROM THE U.S. GOVERNMENT AND THAT FAILURE TO OBTAIN SUCH EXPORT CONTROL LICENSE MAY RESULT IN CRIMINAL LIABILITY UNDER U.S. LAWS.
  5. Portions of the Software resulted from work developed under a U.S. Government Contract and are subject to the following license: the Government is granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable worldwide license in this computer software to reproduce, prepare derivative works, and perform publicly and display publicly.
  6. Disclaimer of warranty: Licensor provides the software on an ``as is'' basis. Licensor does not warrant, guarantee, or make any representations regarding the use or results of the software with respect to its correctness, accuracy, reliability or performance. The entire risk of the use and performance of the software is assumed by licensee. ALL WARRANTIES INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY ARE HEREBY EXCLUDED.
  7. Lack of maintenance or support services: Licensee understands and agrees that licensor is under no obligation to provide maintenance, support or update services, notices of latent defects, or correction of defects for the software.
  8. Limitation of liability, indemnification: Even if advised of the possibility of damages, under no circumstances shall licensor be liable to licensee or any third party for damages of any character, including, without limitation, direct, indirect, incidental, consequential or special damages, loss of profits, loss of use, loss of goodwill, computer failure or malfunction. Licensee agrees to indemnify and hold harmless licensor for any and all liability licensor may incur as a result of licensee's use of the software.

Tcl/Tk License terms and conditions

This software is copyrighted by the Regents of the University of California, Sun Microsystems, Inc., and other parties. The following terms apply to all files associated with the software unless explicitly disclaimed in individual files.

The authors hereby grant permission to use, copy, modify, distribute, and license this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. No written agreement, license, or royalty fee is required for any of the authorized uses. Modifications to this software may be copyrighted by their authors and need not follow the licensing terms described here, provided that the new terms are clearly indicated on the first page of each file where they apply.

IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

GOVERNMENT USE: If you are acquiring this software on behalf of the U.S. government, the Government shall have only "Restricted Rights" in the software and related documentation as defined in the Federal Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are acquiring the software on behalf of the Department of Defense, the software shall be classified as "Commercial Computer Software" and the Government shall have only "Restricted Rights" as defined in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the authors grant the U.S. Government and others acting in its behalf permission to use and distribute the software in accordance with the terms specified in this license.

Sun RPC License terms and conditions

QMG incorporates Sun RPC routines for XDR read/write. Following is the Sun RPC copyright/licence notice.

Sun RPC is a product of Sun Microsystems, Inc. and is provided for unrestricted use provided that this legend is included on all tape media and as a part of the software program in whole or part. Users may copy or modify Sun RPC without charge, but are not authorized to license or distribute it to anyone else except as part of a product or program developed by the user.

SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.

Sun RPC is provided with no support and without any obligation on the part of Sun Microsystems, Inc. to assist in its use, correction, modification or enhancement.

SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC OR ANY PART THEREOF.

In no event will Sun Microsystems, Inc. be liable for any lost revenue or profits or other special, indirect and consequential damages, even if Sun has been advised of the possibility of such damages.

Sun Microsystems, Inc.
2550 Garcia Avenue
Mountain View, California 94043

TkCon Copyright and License Terms

This software is copyrighted by Jeffrey Hobbs <jeff.hobbs@acm.org>. The following terms apply to all files associated with the software unless explicitly disclaimed in individual files.

The authors hereby grant permission to use, copy, modify, distribute, and license this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. No written agreement, license, or royalty fee is required for any of the authorized uses.

IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

RESTRICTED RIGHTS: Use, duplication or disclosure by the U.S. government is subject to the restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software Clause as DFARS 252.227-7013 and FAR 52.227-19.

SPECIAL NOTES:

This software is also falls under the bourbon_ware clause:

Should you find this software useful in your daily work, you should feel obliged to take the author out for a drink if the opportunity presents itself. The user may feel exempt from this clause if they are below drinking age or think the author has already partaken of too many drinks.

Additional copyright and license terms for segments of doubledouble incorporated in QMG.

Copyright © 1997 Keith Martin Briggs. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Copyright © 1989 W. Kahan. Notice: This file may be distributed according to the license for QMG. The following additional terms apply to this routine.

  1. This notice and copyright notices must remain attached to the programs and their translations.
  2. Any use of this routine in a research or development project on the topic of computer arithmetic obliges the user to report his/her experience to W. Kahan. Other questions concerning QMG should be directed to S. Vavasis.
  3. Neither the author nor the institution that employs him will be held responsible for the consequences of using a program for which neither has received payments.

This documentation is written by Stephen A. Vavasis and is copyright ©1999 by Cornell University. Permission to reproduce this documentation is granted provided this notice remains attached. There is no warranty of any kind on this software or its documentation. See the accompanying file 'copyright' for a full statement of the copyright.

Stephen A. Vavasis, Computer Science Department, Cornell University, Ithaca, NY 14853, vavasis@cs.cornell.edu