git-svn-id: https://geuz.org/svn/gmsh/trunk@18513 59c8cabf-10d6-4a28-b43f-3936b85956c4
git-svn-id: https://geuz.org/svn/gmsh/trunk@18514 59c8cabf-10d6-4a28-b43f-3936b85956c4
git-svn-id: https://geuz.org/svn/gmsh/trunk@18515 59c8cabf-10d6-4a28-b43f-3936b85956c4
Faster linearSystemPETScBlock by removing transpose

git-svn-id: https://geuz.org/svn/gmsh/trunk@18516 59c8cabf-10d6-4a28-b43f-3936b85956c4
git-svn-id: https://geuz.org/svn/gmsh/trunk@18517 59c8cabf-10d6-4a28-b43f-3936b85956c4