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    <title>Changes in ex62.c</title>
    <description></description>
    <language>en</language>
    <copyright>Copyright 2025</copyright>
    <generator>Java</generator><item>
        <title>4e8208cbcbc709572b8abe32f33c78b69c819375 - Merge branch &apos;barry/2026-01-13/ftn-generation-for-context-functions&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#4e8208cbcbc709572b8abe32f33c78b69c819375</link>
        <description>Merge branch &apos;barry/2026-01-13/ftn-generation-for-context-functions&apos; into &apos;main&apos;Fortran generation of interface definitions for functions that take and return context variables  (void *ctx and PetCtx ctx)See merge request petsc/petsc!8956

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Sat, 31 Jan 2026 18:41:18 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>2a8381b23c702518c6b1ccbeafee50b9375df0e4 - Add automatic generated fortran support for setting and returning contexts</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#2a8381b23c702518c6b1ccbeafee50b9375df0e4</link>
        <description>Add automatic generated fortran support for setting and returning contextsMajor cleanup of the code for setting and returning application (previously called user) contexts  - PetscCtx ctx is now the standard for passing in contexts  - PetscCtxRt ctx is the standard for passing out contexts, including context destroy routines based on PetscCtxDestroyFnBoth of these are typedef to void*Also removed most use of user and userctx for context arguments now consistently named ctxImproved documentation on PetscCtx and PetscCtxRt and on how to use contexts (including getting them) from Fortran

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 13 Jan 2026 04:45:38 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>2286efddd54511ab18e8e2adb1e023c4bf8f0b92 - Merge branch &apos;barry/2025-07-30/fix-matshellsetoperationarg&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#2286efddd54511ab18e8e2adb1e023c4bf8f0b92</link>
        <description>Merge branch &apos;barry/2025-07-30/fix-matshellsetoperationarg&apos; into &apos;main&apos;Complete usage of PetscVoidFn and PetscErrorCodeFn and introduce PetscFortranCallbackFnSee merge request petsc/petsc!8615

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Thu, 25 Sep 2025 13:44:49 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>57d508425293f0bb93f59574d14951d8faac9af8 - Change use of void (*)(void) and void (**)(void) in the PETSc API to PetscVoidFn * and PetscVoidFn ** or PetscErrorCodeFn * or PetscErrorCodeFn **</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#57d508425293f0bb93f59574d14951d8faac9af8</link>
        <description>Change use of void (*)(void) and void (**)(void) in the PETSc API to PetscVoidFn * and PetscVoidFn ** or PetscErrorCodeFn * or PetscErrorCodeFn **

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Thu, 31 Jul 2025 01:09:37 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>609caa7c8c030312b00807b4f015fd827bb80932 - Merge branch &apos;jolivet/rm-explicit-empty-output_file&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#609caa7c8c030312b00807b4f015fd827bb80932</link>
        <description>Merge branch &apos;jolivet/rm-explicit-empty-output_file&apos; into &apos;main&apos;Remove 535 empty .out and consolidate the use of output/empty.outSee merge request petsc/petsc!8538

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Sat, 19 Jul 2025 04:14:12 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>3886731f808f6f9ca8348e6e791c818340d72f91 - Remove explicitly listed empty files and switch to output/empty.out</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#3886731f808f6f9ca8348e6e791c818340d72f91</link>
        <description>Remove explicitly listed empty files and switch to output/empty.out

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Wed, 09 Jul 2025 05:18:30 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>bb474d11d91bbbea7b0605d02428a545f0700a93 - Merge branch &apos;jolivet/feature-matproduct_ab-hermitiantranspose&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#bb474d11d91bbbea7b0605d02428a545f0700a93</link>
        <description>Merge branch &apos;jolivet/feature-matproduct_ab-hermitiantranspose&apos; into &apos;main&apos;MATHERMITIANTRANSPOSEVIRTUAL: add basic support for MATPRODUCT_ABSee merge request petsc/petsc!7695

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 30 Jul 2024 20:05:58 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>df082c0e4b914042c02457b23c47711a77f456bd - MatSchurComplementComputeExplicitOperator: return a MATDENSE by default</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#df082c0e4b914042c02457b23c47711a77f456bd</link>
        <description>MatSchurComplementComputeExplicitOperator: return a MATDENSE by default

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Sat, 27 Jul 2024 07:42:56 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>fda22ce0288f038e74a7a161392fef83f72080b8 - Merge branch &apos;barry/2024-07-01/fix-petscoptionsgetviewer&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#fda22ce0288f038e74a7a161392fef83f72080b8</link>
        <description>Merge branch &apos;barry/2024-07-01/fix-petscoptionsgetviewer&apos; into &apos;main&apos;The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore modelSee merge request petsc/petsc!7667

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Mon, 08 Jul 2024 14:32:23 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>648c30bcb65f74c3cbd15d7a91a7ed7c1890e25b - The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore model</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#648c30bcb65f74c3cbd15d7a91a7ed7c1890e25b</link>
        <description>The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore modelHence the code needs to be refactoredIntroduce PetscCallNull() and PetscCallMPINull() to simplify PETSC_VIEWER_XXXX_() routinesReported-by: James WrightThanks-to: Jeremy L Thompson

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Mon, 08 Jul 2024 14:32:22 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>43b137cae6b30ced7a11d1da80a35f716655ff0f - Merge remote-tracking branch &apos;origin/release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#43b137cae6b30ced7a11d1da80a35f716655ff0f</link>
        <description>Merge remote-tracking branch &apos;origin/release&apos;

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Thu, 06 Jun 2024 17:32:35 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>fb773b58e8f5c5160628bb21403d239992533df0 - Merge branch &apos;stefanozampini/fix-dirk-dae-restart&apos; into &apos;release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#fb773b58e8f5c5160628bb21403d239992533df0</link>
        <description>Merge branch &apos;stefanozampini/fix-dirk-dae-restart&apos; into &apos;release&apos;Guarantee that SNES function is called before SNES jacobian in multilevel solversSee merge request petsc/petsc!7563

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 04 Jun 2024 23:46:50 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>96b316e512eadb399a5231c3e4f9218698e71868 - PCFIELDSPLIT: remove wrong hooks</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#96b316e512eadb399a5231c3e4f9218698e71868</link>
        <description>PCFIELDSPLIT: remove wrong hooksdisable tests

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 28 May 2024 19:30:17 +0000</pubDate>
        <dc:creator>Stefano Zampini &lt;stefano.zampini@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>61d8dfa2987ba1787c4f9cdc462af103391b5176 - Merge branch &apos;jolivet/fix-checkbadSource&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#61d8dfa2987ba1787c4f9cdc462af103391b5176</link>
        <description>Merge branch &apos;jolivet/fix-checkbadSource&apos; into &apos;main&apos;Improve checkbadSourceSee merge request petsc/petsc!7168

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 09 Jan 2024 01:29:57 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>53df731d4a58a13d32dc697c3d2b74491914e802 - Fix &quot;Extra spaces in test harness rules&quot; in checkbadSource</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#53df731d4a58a13d32dc697c3d2b74491914e802</link>
        <description>Fix &quot;Extra spaces in test harness rules&quot; in checkbadSource

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Mon, 08 Jan 2024 07:24:56 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>c8629ca80ffe46d1388c7c73037444d9708337f9 - Merge branch &apos;stefanozampini/minsurf-local&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#c8629ca80ffe46d1388c7c73037444d9708337f9</link>
        <description>Merge branch &apos;stefanozampini/minsurf-local&apos; into &apos;main&apos;Improve support for nonlinear domain decomposition solversSee merge request petsc/petsc!7084

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Sun, 17 Dec 2023 06:25:03 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>6493148fa132b91628b1fcea3e6c935adfa8483c - DMPLEXSNES: support objective functions</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#6493148fa132b91628b1fcea3e6c935adfa8483c</link>
        <description>DMPLEXSNES: support objective functions

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 28 Nov 2023 11:54:19 +0000</pubDate>
        <dc:creator>Stefano Zampini &lt;stefano.zampini@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>e6053022070e081b613bfa849d9b0e8935a67d1c - Merge branch &apos;barry/2023-11-21/fix-thread-safety-petscoptionsgetviewer&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#e6053022070e081b613bfa849d9b0e8935a67d1c</link>
        <description>Merge branch &apos;barry/2023-11-21/fix-thread-safety-petscoptionsgetviewer&apos; into &apos;main&apos;Fix PetscOptionsGetViewer() so it works in a thread-safe waySee merge request petsc/petsc!7047

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Sat, 02 Dec 2023 18:20:39 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>cd791dc2c132c70a186d4b461f371a0a6f494201 - Fix PetscOptionsGetViewer() so it works in a thread-safe way</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#cd791dc2c132c70a186d4b461f371a0a6f494201</link>
        <description>Fix PetscOptionsGetViewer() so it works in a thread-safe wayWhen PetscOptionsGetViewer() returns, for example, PETSC_VIEWER_STDOUT_SELF the same object is sharedby all threads that call PetscOptionsGetViewer(). In the previous code PetscObjectReference() anddereference (via PetscViewerDestroy() where called on the viewer by multiple threads after the viewerwas accessed thus corrupting the object.This branch introduces a PetscOptionsRestoreViewer() that allows not doing the referencing and dereferencingon persistant viewers, thus removing the specific race condition above.Other possible solutions includeUse a lock on each PetscObjectReference/Dereference() just in case they are shared. Could be time consuming so onecould mark each object as either threadshared or independent and only do the locks on threadshared objects. This lowersthe cost but would require more extensive changes to PETSc infrastructure. And I do not know if this shared/not shared modelis what we need in the long run, though it might be.

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Tue, 21 Nov 2023 22:06:25 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>31d78bcd2b98084dc1368b20eb1129c8b9fb39fe - Merge branch &apos;jacobf/2022-12-10/petscerrorcode-nodiscard&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex62.c#31d78bcd2b98084dc1368b20eb1129c8b9fb39fe</link>
        <description>Merge branch &apos;jacobf/2022-12-10/petscerrorcode-nodiscard&apos; into &apos;main&apos;Feature: Non-discardable PetscErrorCodeSee merge request petsc/petsc!5923

            List of files:
            /petsc/src/snes/tutorials/ex62.c</description>
        <pubDate>Thu, 02 Feb 2023 20:39:47 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
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