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    <title>Changes in ex58.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/ex58.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/ex58.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/ex58.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/ex58.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>e0f7661ef47ee0a77f8da1ab85987b8efeada20d - Merge branch &apos;sneslinesearch-improvements&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#e0f7661ef47ee0a77f8da1ab85987b8efeada20d</link>
        <description>Merge branch &apos;sneslinesearch-improvements&apos; into &apos;main&apos;SNESLinesearch: Minor improvementsSee merge request petsc/petsc!8630

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Wed, 27 Aug 2025 02:18:34 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>a99ef635ef3fb31080710bc8e0dbbde292199c98 - SNESLinesearch: Minor improvements</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#a99ef635ef3fb31080710bc8e0dbbde292199c98</link>
        <description>SNESLinesearch: Minor improvements- add missing configuration options in the documentation of the line searches (some of the available options were not listed), and consistently list their respective default values- add proper convergence criteria for the secant method in the L2 line search based on ltol and atol (otherwise, the secant method is mostly running for the maximum number of iterations)- fix a small bug in the CP line search, where steptol * lambda was used to check for convergence based on the change of lambda instead of the ltol parameter- rename sneslinesearch-&gt;maxstep to sneslinesearch-&gt;maxlambda in the options database to be consistent with its purpose in the algorithms- rename SNESLineSearchL2 to SNESLineSearchSecant to better represent its underlying approach

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Wed, 27 Aug 2025 02:18:34 +0000</pubDate>
        <dc:creator>Jonas Heinzmann &lt;jheinzmann@ethz.ch&gt;</dc:creator>
    </item>
<item>
        <title>c59835d02e78e47c66bbf6f0a7d8d58c36aab673 - Merge branch &apos;jonas-heinzmann/fix-sneslinesearch-vi-directionalderivative&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#c59835d02e78e47c66bbf6f0a7d8d58c36aab673</link>
        <description>Merge branch &apos;jonas-heinzmann/fix-sneslinesearch-vi-directionalderivative&apos; into &apos;main&apos;SNESLineSearch: fix computation of directional derivative in the case of the VI solversSee merge request petsc/petsc!8137

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Mon, 17 Feb 2025 19:49:49 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>d5def619400c53ceafc7498a3d382ce0d1e29f7d - SNESLineSearch: fix computation of directional derivative in the case of the VI solvers</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#d5def619400c53ceafc7498a3d382ce0d1e29f7d</link>
        <description>SNESLineSearch: fix computation of directional derivative in the case of the VI solversThe two line search algorithms bisection and critical point work with the directional derivative, assuming that F(x) = grad G(x).However, when working with the variational inequality solvers, the constraints were not correctly considered when computing the directional derivative.This commit introduces a new linesearch-&gt;ops-&gt;vidirderiv function which correctly considers the constraints (similar to linesearch-&gt;ops-&gt;viproject and linesearch-&gt;ops-&gt;vinorm).

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Mon, 17 Feb 2025 19:49:49 +0000</pubDate>
        <dc:creator>Jonas Heinzmann &lt;jheinzmann@ethz.ch&gt;</dc:creator>
    </item>
<item>
        <title>ad781fe3223b515d45fb60062f8062326362e786 - Merge branch &apos;barry/2024-09-29/fix-function-typedef-style&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#ad781fe3223b515d45fb60062f8062326362e786</link>
        <description>Merge branch &apos;barry/2024-09-29/fix-function-typedef-style&apos; into &apos;main&apos;Unify handling of context destructorsSee merge request petsc/petsc!7900

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Mon, 21 Oct 2024 15:09:58 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>49abdd8a111d9c2ef7fc48ade253ef64e07f9b37 - Unifies all context destructors to have a form of PetscCtxDestroyFn == PetscErrorCode (*)(void **)</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#49abdd8a111d9c2ef7fc48ade253ef64e07f9b37</link>
        <description>Unifies all context destructors to have a form of PetscCtxDestroyFn == PetscErrorCode (*)(void **)Changes the previous subset of destructor APIs that used PetscErrorCode (*)(void *) (mostly those thatused PetscContainer- Now allows any context to be a PetscObject- Will provide a cleaner mapping to bindings in other languages- Simplifies the maintenance of PETSc source code; improves clarityNot backward compatible, compiler warnings will tell users what functions need to be updated

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Sun, 29 Sep 2024 23:38:19 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>e4a561a4dd2f14b817d1f42f37308832056c89c0 - Merge remote-tracking branch &apos;origin/release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#e4a561a4dd2f14b817d1f42f37308832056c89c0</link>
        <description>Merge remote-tracking branch &apos;origin/release&apos;

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Mon, 07 Oct 2024 15:03:38 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>6827d6b33e387af92f9b8670bb32d6c8e9f9145f - Merge branch &apos;stefanozampini/asan&apos; into &apos;release&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#6827d6b33e387af92f9b8670bb32d6c8e9f9145f</link>
        <description>Merge branch &apos;stefanozampini/asan&apos; into &apos;release&apos;address sanitizer fixesSee merge request petsc/petsc!7927

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Mon, 07 Oct 2024 14:58:17 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>9578c1cc5da6bf6ab08d91dc6659c159c237eb9b - SNES ex58: fix asan warnings</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#9578c1cc5da6bf6ab08d91dc6659c159c237eb9b</link>
        <description>SNES ex58: fix asan warnings

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Sun, 06 Oct 2024 08:16:04 +0000</pubDate>
        <dc:creator>Stefano Zampini &lt;stefano.zampini@gmail.com&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/snes/tutorials/ex58.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/snes/tutorials/ex58.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>0d5ef98addb54ced821e7e5fade9ccac0ec8ccde - CI: update checkclangformat to use clang-format-19.1.0</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#0d5ef98addb54ced821e7e5fade9ccac0ec8ccde</link>
        <description>CI: update checkclangformat to use clang-format-19.1.0

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Wed, 18 Sep 2024 17:18:59 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>732aec7a18f2199fb53bb9a2f3aef439a834ce31 - Merge branch &apos;jolivet/remove-cast&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#732aec7a18f2199fb53bb9a2f3aef439a834ce31</link>
        <description>Merge branch &apos;jolivet/remove-cast&apos; into &apos;main&apos;Use NULL or nullptr instead of casted 0See merge request petsc/petsc!7857

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Sun, 22 Sep 2024 17:54:06 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>c8025a5415d73fd1c6005393f2b0e60677bf5915 - Use NULL or nullptr instead of casted 0</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#c8025a5415d73fd1c6005393f2b0e60677bf5915</link>
        <description>Use NULL or nullptr instead of casted 0

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Sat, 21 Sep 2024 07:20:33 +0000</pubDate>
        <dc:creator>Pierre Jolivet &lt;pierre@joliv.et&gt;</dc:creator>
    </item>
<item>
        <title>b3b04bfa6a3dd7d7a8226e764d09b3b1ecbf4878 - Merge branch &apos;stefanozampini/ngmres-objective&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#b3b04bfa6a3dd7d7a8226e764d09b3b1ecbf4878</link>
        <description>Merge branch &apos;stefanozampini/ngmres-objective&apos; into &apos;main&apos;Support objective functions in SNESNGMRESSee merge request petsc/petsc!6957

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Fri, 27 Oct 2023 14:19:25 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>d0f693cd0a58950724720a9a1cd3f777b29a4694 - minor</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#d0f693cd0a58950724720a9a1cd3f777b29a4694</link>
        <description>minor

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Tue, 24 Oct 2023 12:56:46 +0000</pubDate>
        <dc:creator>Stefano Zampini &lt;stefano.zampini@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>e8e8640d1cb9a3a2f50c0c0d7b26e5c4d521e2e4 - Merge branch &apos;jolivet/rm-first-empty-line&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#e8e8640d1cb9a3a2f50c0c0d7b26e5c4d521e2e4</link>
        <description>Merge branch &apos;jolivet/rm-first-empty-line&apos; into &apos;main&apos;Remove first and last empty linesSee merge request petsc/petsc!6892

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Tue, 26 Sep 2023 16:50:23 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
<item>
        <title>92bec4eefde5b79327e7cea3b0266e7580ec8183 - Remove first and last empty lines</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/ex58.c#92bec4eefde5b79327e7cea3b0266e7580ec8183</link>
        <description>Remove first and last empty lines

            List of files:
            /petsc/src/snes/tutorials/ex58.c</description>
        <pubDate>Tue, 26 Sep 2023 16:50:22 +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/snes/tutorials/ex58.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/ex58.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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