[37] | 1 | ---------------------------------------------------------------------- |
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| 2 | The ANN Library (all versions) is provided under the terms and |
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| 3 | conditions of the GNU Lesser General Public Library, which is stated |
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| 4 | below. It can also be found at: |
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| 5 | |
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| 6 | http://www.gnu.org/copyleft/lesser.html |
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| 7 | |
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| 8 | ---------------------------------------------------------------------- |
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| 9 | |
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| 10 | GNU LESSER GENERAL PUBLIC LICENSE |
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| 11 | |
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| 12 | Version 2.1, February 1999 |
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| 13 | |
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| 14 | Copyright (C) 1991, 1999 Free Software Foundation, Inc. |
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| 15 | 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 16 | Everyone is permitted to copy and distribute verbatim copies |
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| 17 | of this license document, but changing it is not allowed. |
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| 18 | |
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| 19 | [This is the first released version of the Lesser GPL. It also counts |
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| 20 | as the successor of the GNU Library Public License, version 2, hence the |
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| 21 | version number 2.1.] |
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| 22 | |
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| 23 | Preamble |
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| 24 | |
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| 25 | The licenses for most software are designed to take away your freedom to |
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| 26 | share and change it. By contrast, the GNU General Public Licenses are |
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| 27 | intended to guarantee your freedom to share and change free software--to |
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| 28 | make sure the software is free for all its users. |
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| 29 | |
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| 30 | This license, the Lesser General Public License, applies to some |
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| 31 | specially designated software packages--typically libraries--of the Free |
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| 32 | Software Foundation and other authors who decide to use it. You can use |
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| 33 | it too, but we suggest you first think carefully about whether this |
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| 34 | license or the ordinary General Public License is the better strategy to |
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| 35 | use in any particular case, based on the explanations below. |
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| 36 | |
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| 37 | When we speak of free software, we are referring to freedom of use, not |
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| 38 | price. Our General Public Licenses are designed to make sure that you |
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| 39 | have the freedom to distribute copies of free software (and charge for |
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| 40 | this service if you wish); that you receive source code or can get it if |
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| 41 | you want it; that you can change the software and use pieces of it in |
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| 42 | new free programs; and that you are informed that you can do these |
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| 43 | things. |
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| 44 | |
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| 45 | To protect your rights, we need to make restrictions that forbid |
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| 46 | distributors to deny you these rights or to ask you to surrender these |
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| 47 | rights. These restrictions translate to certain responsibilities for you |
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| 48 | if you distribute copies of the library or if you modify it. |
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| 49 | |
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| 50 | For example, if you distribute copies of the library, whether gratis or |
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| 51 | for a fee, you must give the recipients all the rights that we gave you. |
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| 52 | You must make sure that they, too, receive or can get the source code. |
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| 53 | If you link other code with the library, you must provide complete |
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| 54 | object files to the recipients, so that they can relink them with the |
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| 55 | library after making changes to the library and recompiling it. And you |
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| 56 | must show them these terms so they know their rights. |
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| 57 | |
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| 58 | We protect your rights with a two-step method: (1) we copyright the |
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| 59 | library, and (2) we offer you this license, which gives you legal |
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| 60 | permission to copy, distribute and/or modify the library. |
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| 61 | |
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| 62 | To protect each distributor, we want to make it very clear that there is |
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| 63 | no warranty for the free library. Also, if the library is modified by |
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| 64 | someone else and passed on, the recipients should know that what they |
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| 65 | have is not the original version, so that the original author's |
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| 66 | reputation will not be affected by problems that might be introduced by |
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| 67 | others. |
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| 68 | |
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| 69 | Finally, software patents pose a constant threat to the existence of any |
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| 70 | free program. We wish to make sure that a company cannot effectively |
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| 71 | restrict the users of a free program by obtaining a restrictive license |
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| 72 | from a patent holder. Therefore, we insist that any patent license |
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| 73 | obtained for a version of the library must be consistent with the full |
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| 74 | freedom of use specified in this license. |
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| 75 | |
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| 76 | Most GNU software, including some libraries, is covered by the ordinary |
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| 77 | GNU General Public License. This license, the GNU Lesser General Public |
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| 78 | License, applies to certain designated libraries, and is quite different |
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| 79 | from the ordinary General Public License. We use this license for |
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| 80 | certain libraries in order to permit linking those libraries into |
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| 81 | non-free programs. |
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| 82 | |
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| 83 | When a program is linked with a library, whether statically or using a |
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| 84 | shared library, the combination of the two is legally speaking a |
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| 85 | combined work, a derivative of the original library. The ordinary |
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| 86 | General Public License therefore permits such linking only if the entire |
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| 87 | combination fits its criteria of freedom. The Lesser General Public |
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| 88 | License permits more lax criteria for linking other code with the |
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| 89 | library. |
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| 90 | |
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| 91 | We call this license the "Lesser" General Public License because it does |
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| 92 | Less to protect the user's freedom than the ordinary General Public |
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| 93 | License. It also provides other free software developers Less of an |
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| 94 | advantage over competing non-free programs. These disadvantages are the |
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| 95 | reason we use the ordinary General Public License for many libraries. |
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| 96 | However, the Lesser license provides advantages in certain special |
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| 97 | circumstances. |
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| 98 | |
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| 99 | For example, on rare occasions, there may be a special need to encourage |
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| 100 | the widest possible use of a certain library, so that it becomes a |
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| 101 | de-facto standard. To achieve this, non-free programs must be allowed to |
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| 102 | use the library. A more frequent case is that a free library does the |
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| 103 | same job as widely used non-free libraries. In this case, there is |
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| 104 | little to gain by limiting the free library to free software only, so we |
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| 105 | use the Lesser General Public License. |
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| 106 | |
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| 107 | In other cases, permission to use a particular library in non-free |
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| 108 | programs enables a greater number of people to use a large body of free |
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| 109 | software. For example, permission to use the GNU C Library in non-free |
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| 110 | programs enables many more people to use the whole GNU operating system, |
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| 111 | as well as its variant, the GNU/Linux operating system. |
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| 112 | |
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| 113 | Although the Lesser General Public License is Less protective of the |
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| 114 | users' freedom, it does ensure that the user of a program that is linked |
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| 115 | with the Library has the freedom and the wherewithal to run that program |
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| 116 | using a modified version of the Library. |
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| 117 | |
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| 118 | The precise terms and conditions for copying, distribution and |
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| 119 | modification follow. Pay close attention to the difference between a |
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| 120 | "work based on the library" and a "work that uses the library". The |
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| 121 | former contains code derived from the library, whereas the latter must |
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| 122 | be combined with the library in order to run. |
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| 123 | |
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| 124 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
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| 125 | |
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| 126 | 0. This License Agreement applies to any software library or other |
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| 127 | program which contains a notice placed by the copyright holder or other |
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| 128 | authorized party saying it may be distributed under the terms of this |
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| 129 | Lesser General Public License (also called "this License"). Each |
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| 131 | |
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| 132 | A "library" means a collection of software functions and/or data |
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| 133 | prepared so as to be conveniently linked with application programs |
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| 134 | (which use some of those functions and data) to form executables. |
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| 135 | |
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| 136 | The "Library", below, refers to any such software library or work which |
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| 137 | has been distributed under these terms. A "work based on the Library" |
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| 138 | means either the Library or any derivative work under copyright law: |
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| 139 | that is to say, a work containing the Library or a portion of it, either |
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| 140 | verbatim or with modifications and/or translated straightforwardly into |
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| 141 | another language. (Hereinafter, translation is included without |
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| 143 | |
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| 144 | "Source code" for a work means the preferred form of the work for making |
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| 145 | modifications to it. For a library, complete source code means all the |
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| 146 | source code for all modules it contains, plus any associated interface |
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| 147 | definition files, plus the scripts used to control compilation and |
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| 148 | installation of the library. |
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| 149 | |
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| 150 | Activities other than copying, distribution and modification are not |
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| 151 | covered by this License; they are outside its scope. The act of running |
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| 152 | a program using the Library is not restricted, and output from such a |
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| 153 | program is covered only if its contents constitute a work based on the |
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| 158 | 1. You may copy and distribute verbatim copies of the Library's complete |
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| 160 | conspicuously and appropriately publish on each copy an appropriate |
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| 161 | copyright notice and disclaimer of warranty; keep intact all the notices |
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| 163 | distribute a copy of this License along with the Library. |
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| 165 | You may charge a fee for the physical act of transferring a copy, and |
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| 166 | you may at your option offer warranty protection in exchange for a fee. |
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| 167 | |
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| 168 | 2. You may modify your copy or copies of the Library or any portion of |
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| 173 | a) The modified work must itself be a software library. |
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| 175 | stating that you changed the files and the date of any change. |
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| 176 | c) You must cause the whole of the work to be licensed at no |
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| 178 | d) If a facility in the modified Library refers to a function or a |
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| 180 | the facility, other than as an argument passed when the facility |
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| 182 | in the event an application does not supply such function or |
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| 183 | table, the facility still operates, and performs whatever part of |
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| 185 | |
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| 186 | (For example, a function in a library to compute square roots has |
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| 188 | Therefore, Subsection 2d requires that any application-supplied function |
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| 189 | or table used by this function must be optional: if the application does |
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| 190 | not supply it, the square root function must still compute square |
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| 191 | roots.) |
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| 193 | These requirements apply to the modified work as a whole. If |
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| 200 | License, whose permissions for other licensees extend to the entire |
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| 202 | |
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| 203 | Thus, it is not the intent of this section to claim rights or |
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| 211 | under the scope of this License. |
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| 212 | |
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| 213 | 3. You may opt to apply the terms of the ordinary GNU General Public |
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| 214 | License instead of this License to a given copy of the Library. To do |
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| 222 | Once this change is made in a given copy, it is irreversible for that |
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| 229 | 4. You may copy and distribute the Library (or a portion or derivative |
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| 236 | If distribution of object code is made by offering access to copy from a |
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| 254 | When a "work that uses the Library" uses material from a header file |
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| 271 | or not they are linked directly with the Library itself. |
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| 273 | 6. As an exception to the Sections above, you may also combine or link a |
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| 274 | "work that uses the Library" with the Library to produce a work |
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| 280 | You must give prominent notice with each copy of the work that the |
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| 281 | Library is used in it and that the Library and its use are covered by |
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| 285 | user to the copy of this License. Also, you must do one of these things: |
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| 287 | a) Accompany the work with the complete corresponding |
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| 298 | b) Use a suitable shared library mechanism for linking with the |
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| 323 | It may happen that this requirement contradicts the license restrictions |
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| 327 | |
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| 328 | 7. You may place library facilities that are a work based on the Library |
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| 329 | side-by-side in a single library together with other library facilities |
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| 330 | not covered by this License, and distribute such a combined library, |
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| 331 | provided that the separate distribution of the work based on the Library |
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| 332 | and of the other library facilities is otherwise permitted, and provided |
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| 333 | that you do these two things: |
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| 335 | a) Accompany the combined library with a copy of the same work |
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| 343 | 8. You may not copy, modify, sublicense, link with, or distribute the |
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| 346 | Library is void, and will automatically terminate your rights under this |
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| 351 | 9. You are not required to accept this License, since you have not |
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| 353 | distribute the Library or its derivative works. These actions are |
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| 354 | prohibited by law if you do not accept this License. Therefore, by |
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| 358 | Library or works based on it. |
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| 360 | 10. Each time you redistribute the Library (or any work based on the |
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| 364 | restrictions on the recipients' exercise of the rights granted herein. |
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| 365 | You are not responsible for enforcing compliance by third parties with |
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| 366 | this License. |
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| 367 | |
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| 368 | 11. If, as a consequence of a court judgment or allegation of patent |
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| 369 | infringement or for any other reason (not limited to patent issues), |
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| 370 | conditions are imposed on you (whether by court order, agreement or |
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| 376 | not permit royalty-free redistribution of the Library by all those who |
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| 377 | receive copies directly or indirectly through you, then the only way you |
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| 381 | If any portion of this section is held invalid or unenforceable under |
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| 382 | any particular circumstance, the balance of the section is intended to |
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| 383 | apply, and the section as a whole is intended to apply in other |
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| 384 | circumstances. |
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| 385 | |
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| 386 | It is not the purpose of this section to induce you to infringe any |
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| 387 | patents or other property right claims or to contest validity of any |
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| 388 | such claims; this section has the sole purpose of protecting the |
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| 389 | integrity of the free software distribution system which is implemented |
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| 390 | by public license practices. Many people have made generous |
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| 391 | contributions to the wide range of software distributed through that |
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| 392 | system in reliance on consistent application of that system; it is up to |
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| 393 | the author/donor to decide if he or she is willing to distribute |
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| 394 | software through any other system and a licensee cannot impose that |
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| 395 | choice. |
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| 396 | |
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| 397 | This section is intended to make thoroughly clear what is believed to be |
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| 398 | a consequence of the rest of this License. |
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| 399 | |
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| 400 | 12. If the distribution and/or use of the Library is restricted in |
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| 401 | certain countries either by patents or by copyrighted interfaces, the |
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| 402 | original copyright holder who places the Library under this License may |
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| 403 | add an explicit geographical distribution limitation excluding those |
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| 404 | countries, so that distribution is permitted only in or among countries |
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| 405 | not thus excluded. In such case, this License incorporates the |
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| 406 | limitation as if written in the body of this License. |
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| 407 | |
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| 408 | 13. The Free Software Foundation may publish revised and/or new versions |
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| 409 | of the Lesser General Public License from time to time. Such new |
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| 410 | versions will be similar in spirit to the present version, but may |
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| 411 | differ in detail to address new problems or concerns. |
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| 412 | |
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| 413 | Each version is given a distinguishing version number. If the Library |
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| 414 | specifies a version number of this License which applies to it and "any |
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| 415 | later version", you have the option of following the terms and |
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| 416 | conditions either of that version or of any later version published by |
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| 417 | the Free Software Foundation. If the Library does not specify a license |
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| 418 | version number, you may choose any version ever published by the Free |
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| 419 | Software Foundation. |
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| 420 | |
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| 421 | 14. If you wish to incorporate parts of the Library into other free |
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| 422 | programs whose distribution conditions are incompatible with these, |
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| 423 | write to the author to ask for permission. For software which is |
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| 424 | copyrighted by the Free Software Foundation, write to the Free Software |
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| 425 | Foundation; we sometimes make exceptions for this. Our decision will be |
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| 426 | guided by the two goals of preserving the free status of all derivatives |
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| 427 | of our free software and of promoting the sharing and reuse of software |
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| 428 | generally. |
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| 429 | |
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| 430 | NO WARRANTY |
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| 431 | |
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| 432 | 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY |
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| 433 | FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN |
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| 434 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES |
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| 435 | PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER |
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| 436 | EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 437 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE |
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| 438 | ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH |
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| 439 | YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL |
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| 440 | NECESSARY SERVICING, REPAIR OR CORRECTION. |
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| 441 | |
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| 442 | 16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN |
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| 443 | WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY |
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| 444 | AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU FOR |
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| 445 | DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL |
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| 446 | DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE LIBRARY |
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| 447 | (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED |
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| 448 | INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF |
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| 449 | THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR |
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| 450 | OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
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