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    <title>Changes in ex4.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/tao/tutorials/ex4.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/tao/tutorials/ex4.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/tao/tutorials/ex4.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/tao/tutorials/ex4.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>834855d6effb0d027771461c8e947ee1ce5a1e17 - Merge branch &apos;jolivet/clang-format-21&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#834855d6effb0d027771461c8e947ee1ce5a1e17</link>
        <description>Merge branch &apos;jolivet/clang-format-21&apos; into &apos;main&apos;clang-format-21See merge request petsc/petsc!8202

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Wed, 27 Aug 2025 20:14:46 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>3a7d0413a690b3ac55568f51e4c3dc23a888f57d - One-liners from petsc/petsc!5344 and petsc/petsc!5557</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#3a7d0413a690b3ac55568f51e4c3dc23a888f57d</link>
        <description>One-liners from petsc/petsc!5344 and petsc/petsc!5557Slightly reworked regular expressiongit ls-files -z -- &apos;*.c&apos; &apos;*.cxx&apos; &apos;*.cu&apos; &apos;*.h&apos; &apos;*.hpp&apos; &apos;*.cpp&apos; | while IFS= read -r -d &apos;&apos; file; do    cat $file | tr &apos;\n&apos; &apos;\r&apos; | sed -E &apos;s/\r([ ]*)(for|if|while|else) ([^\r]*)\{\r[ ]*Petsc([a-zA-Z]*)\(([^\r]*)\);\r[ ]*\}\r/\r\1\2 \3Petsc\4(\5);\r/g&apos; | tr &apos;\r&apos; &apos;\n&apos; &gt; ${file}.joe; mv ${file}.joe ${file}done

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Mon, 12 May 2025 18:15:37 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>2364c0ea60aac9ca02209fd54097e2f2d71ae94a - Merge branch &apos;jolivet/forbidden-empty-output-files&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#2364c0ea60aac9ca02209fd54097e2f2d71ae94a</link>
        <description>Merge branch &apos;jolivet/forbidden-empty-output-files&apos; into &apos;main&apos;checkbadSource: forbid empty output_file not named output/empty.outSee merge request petsc/petsc!8588

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Thu, 24 Jul 2025 17:00:56 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>e0008cae9d8b220d3a191ff57f84cb339f1acef2 - checkbadSource: forbid empty output_file not named output/empty.out</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#e0008cae9d8b220d3a191ff57f84cb339f1acef2</link>
        <description>checkbadSource: forbid empty output_file not named output/empty.out

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Thu, 24 Jul 2025 17:00:55 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>d0e6bf2ad94dcc89b258ce16c7987200a4714786 - Merge branch &apos;jolivet/clang-format-19&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#d0e6bf2ad94dcc89b258ce16c7987200a4714786</link>
        <description>Merge branch &apos;jolivet/clang-format-19&apos; into &apos;main&apos;clang-format-19See merge request petsc/petsc!7644

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Wed, 25 Sep 2024 06:44:18 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>57508ece14a6b1339c0bbf016ecd72f673a062b0 - Remove unneeded parentheses</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#57508ece14a6b1339c0bbf016ecd72f673a062b0</link>
        <description>Remove unneeded parentheses

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Tue, 17 Sep 2024 23:49:15 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>32e037510874440daa9fa8248b5cfeac7662c93e - Merge branch &apos;jose/deprecate-petsc-default&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#32e037510874440daa9fa8248b5cfeac7662c93e</link>
        <description>Merge branch &apos;jose/deprecate-petsc-default&apos; into &apos;main&apos;Fix usage of deprecated PETSC_DEFAULTSee merge request petsc/petsc!7707

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Mon, 29 Jul 2024 20:12:56 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>fb842aef621b1ec3460f788b06270a63e1a90f33 - Fix usage of deprecated PETSC_DEFAULT</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#fb842aef621b1ec3460f788b06270a63e1a90f33</link>
        <description>Fix usage of deprecated PETSC_DEFAULT

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Mon, 29 Jul 2024 20:12:55 +0000</pubDate>
        <dc:creator>Jose E. Roman &lt;jroman@dsic.upv.es&gt;</dc:creator>
    </item>
<item>
        <title>970231d20df44f79b27787157e39d441e79f434b - Merge branch &apos;jolivet/clang-format-18&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#970231d20df44f79b27787157e39d441e79f434b</link>
        <description>Merge branch &apos;jolivet/clang-format-18&apos; into &apos;main&apos;clang-format version 18See merge request petsc/petsc!6902

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Thu, 07 Mar 2024 12:36:17 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>f4f49eeac7efa77fffa46b7ff95a3ed169f659ed - Remove multiple parentheses and extra semicolon</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#f4f49eeac7efa77fffa46b7ff95a3ed169f659ed</link>
        <description>Remove multiple parentheses and extra semicolongit grep -l -E &quot;\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]&quot; | xargs sed -r -i&apos;&apos; &apos;s#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g&apos;git grep -l -E &quot;Petsc(.)*\(\(\*[a-zA-Z0-9_]*\),&quot; | xargs sed -r -i&apos;&apos; &apos;s#Petsc([a-zA-Z0-9_]*)\(\(\*([a-zA-Z0-9_]*)\), #Petsc\1(*\2, #g&apos;git grep -l -E &quot;([\!\&amp;\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|-&gt;)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)&quot; | xargs sed -r -i&apos;&apos; &apos;s#([\!\&amp;\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|-&gt;)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)#\1\2#g&apos;

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Sun, 11 Feb 2024 06:40:18 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>79e00b32d3a59a750bc965c4d466bf474397e0f0 - Merge branch &apos;hsuh/tao-soft-typo-fix&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#79e00b32d3a59a750bc965c4d466bf474397e0f0</link>
        <description>Merge branch &apos;hsuh/tao-soft-typo-fix&apos; into &apos;main&apos;TaoSoftThreshold typo fix, and early exit if no-opSee merge request petsc/petsc!7003

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Sat, 11 Nov 2023 04:31:20 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>84430a0dd194f36cd9c7c3c3fe5451a72031432e - Fixing typo in TaoSoftThreshold, and added early exit if no-op case is encountered</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#84430a0dd194f36cd9c7c3c3fe5451a72031432e</link>
        <description>Fixing typo in TaoSoftThreshold, and added early exit if no-op case is encountered

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Wed, 08 Nov 2023 05:23:46 +0000</pubDate>
        <dc:creator>Hansol Suh &lt;hsuh@anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>6c37f76f2ace6b1ab1a4a8f1d7a04dee3e7f2aa9 - Merge branch &apos;tisaac/feature-log-handler&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#6c37f76f2ace6b1ab1a4a8f1d7a04dee3e7f2aa9</link>
        <description>Merge branch &apos;tisaac/feature-log-handler&apos; into &apos;main&apos;Deglobalize logging into PetscLogHandler and PetscLogStateSee merge request petsc/petsc!6709

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Thu, 27 Jul 2023 15:06:19 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>2611ad710242b3c70d66651ef7e40f9450d305e2 - Profiling: Improve !defined(PETSC_USE_LOG) #defines</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#2611ad710242b3c70d66651ef7e40f9450d305e2</link>
        <description>Profiling: Improve !defined(PETSC_USE_LOG) #defines- If we cast macro arguments to void, we can avoid unused errors that have  forced lots of conditionally included code like this:```c  #if defined(PETSC_USE_LOG)  PetscLogEvent event;  #endif```- Having global counters like petsc_TotalFlops externed event  if !PetscDefined(USE_LOG) helps to remove a lot of needless  `#ifdef`s around code that can instead be placed in  `if (PetscDefined(USE_LOG)) {}` blocks.

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Fri, 14 Jul 2023 04:24:59 +0000</pubDate>
        <dc:creator>Toby Isaac &lt;toby.isaac@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>f920de81bdad50bc6026d8f319725752e9303f6b - Merge remote-tracking branch &apos;origin/release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#f920de81bdad50bc6026d8f319725752e9303f6b</link>
        <description>Merge remote-tracking branch &apos;origin/release&apos;

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Wed, 12 Apr 2023 05:31:52 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>5fb8f3d7431469e46dd8660f8c4cfa4bf506f3ff - Merge branch &apos;jolivet/fix-typo&apos; into &apos;release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#5fb8f3d7431469e46dd8660f8c4cfa4bf506f3ff</link>
        <description>Merge branch &apos;jolivet/fix-typo&apos; into &apos;release&apos;Fix typosSee merge request petsc/petsc!6304

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Tue, 11 Apr 2023 18:42:20 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>be87f6c03c1c1fd6df2d720f847e0b83790d9220 - Fix typos</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/tao/tutorials/ex4.c#be87f6c03c1c1fd6df2d720f847e0b83790d9220</link>
        <description>Fix typos

            List of files:
            /petsc/src/tao/tutorials/ex4.c</description>
        <pubDate>Tue, 11 Apr 2023 18:42:20 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&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/tao/tutorials/ex4.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/tao/tutorials/ex4.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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