Merge branch 'heeho/feature-newtontrdc' into 'main'

Newton Trust Region Dogleg Cauchy nonlinear solver

See merge request petsc/petsc!4294

snes: Add new type SNESNEWTONTRDC for Newton Trust Region Dogleg Cauchy

minor format fixes to tr.c, zsnesf.c

foo

remove trailing newline from SETERRQ

petsc4py: allow snes.solve to use the internal solution vector

SNES: Added -snes_monitor_pause_final to mirror the KSP option

SNES: Somehow the LG monitor was broken in SNES

SNES: fix a typo in an option name

Reported-by: Thomas Vasileiou <vathomas@zoho.com>

Style: replace "!rank" with "rank == 0"

In SF tutorial ex1 (src/vec/is/sf/tutorials/ex1.c), add parentheses around "rank == 0". This is relevant because ! binds more tightly than +, but == binds les

Style: replace "!rank" with "rank == 0"

In SF tutorial ex1 (src/vec/is/sf/tutorials/ex1.c), add parentheses around "rank == 0". This is relevant because ! binds more tightly than +, but == binds less
tightly, so the result of the computation would otherwise change.

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