Add convenience functions VecCreateFromOptions() and MatCreateFromOptions() to reduce the use of specialize creation routines in the examples and thus make it easier for people to use GPU based solve

Add convenience functions VecCreateFromOptions() and MatCreateFromOptions() to reduce the use of specialize creation routines in the examples and thus make it easier for people to use GPU based solvers

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MatFilter(): bypass issue with MatAIJHIPSPARSE

Rename VecChop() into VecFilter()

Rename MatChop() into MatFilter()

MatChop(): set to zero values equal to tol

Rename PetscValidPointer -> PetscAssertPointer

Deploy new PetscValidPointer, remove PetscValidXXXPointer

MatChop(): insert as little values as possible

Manual linter fixes: mat

Merge branch 'jolivet/fix-Wextra-semi-stmt' into 'main'

Fix -Wextra-semi-stmt

See merge request petsc/petsc!6708

Fix some typos and documentation mismatches

Fix -Wextra-semi-stmt

Lint apply: mat

fix bug with compressed row and MIS[-k]

Fix found linter errors

MatSetValuesCOO: save the cost of MatStash scatter in MatAssemblyBegin/End

Otherwise even no entries are stashed in MatStash with COO, MatStash needs to
do, e.g., MPI_Allreduce() to know that, which

MatSetValuesCOO: save the cost of MatStash scatter in MatAssemblyBegin/End

Otherwise even no entries are stashed in MatStash with COO, MatStash needs to
do, e.g., MPI_Allreduce() to know that, which is expensive at scale.

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docs: additional chapter_ -> ch_ change in main after merge of release changes from !6520

Merge remote-tracking branch 'origin/release'