en Copyright 2025 Java http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/output/ex58_5.out#c59835d02e78e47c66bbf6f0a7d8d58c36aab673 Merge branch 'jonas-heinzmann/fix-sneslinesearch-vi-directionalderivative' into 'main'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/output/ex58_5.out Mon, 17 Feb 2025 19:49:49 +0000 Satish Balay <balay@mcs.anl.gov> http://opengrok.kc2vjw.com:8080/history/petsc/src/snes/tutorials/output/ex58_5.out#d5def619400c53ceafc7498a3d382ce0d1e29f7d 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->ops->vidirderiv function which correctly considers the constraints (similar to linesearch->ops->viproject and linesearch->ops->vinorm). List of files: /petsc/src/snes/tutorials/output/ex58_5.out Mon, 17 Feb 2025 19:49:49 +0000 Jonas Heinzmann <jheinzmann@ethz.ch>