Merge pull request #1912 from CEED/jeremy/copyright

minor - update copyright to 2026

minor - update copyright to 2026

New Python Examples (#1817)

* ex1-volume python example (#1804)

* Adds initial ex1 python example

* Update examples/python/ex1-volume.py

* after make format

* formatting change

* modifies main

New Python Examples (#1817)

* ex1-volume python example (#1804)

* Adds initial ex1 python example

* Update examples/python/ex1-volume.py

* after make format

* formatting change

* modifies main

* adds strided restriction

* Update examples/python/ex1-volume.py

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ex - add python version of ex1 volume

* ex2_Surface implementation in python (#1802)

* Add files via upload

* Update ex2_surface.py

* Update ex2_surface.py

* Update ex2_surface.py

* Update ex2_surface.py

* Update ex2_surface.py

* Update ex2_surface.py

* Update ex2_surface.py

* Delete examples/ceed/ex2_surface.py

* Add cleaned and formatted ex2_surface.py example

* style: update header and reformat ex2_surface.py

* Delete examples/ceed/ex2_surface.py

* Python Surface area example

----------------------------------------

ex - add ex2 surface example in python

* ex - consolidate common py code

* ex - add py gallery option

* ex - add py test harness

* ex3 volume python example

* ex - switch ex3 to use common python code

* ci - add new python examples to testing

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Co-authored-by: katayoonk <122122167+katayoonk@users.noreply.github.com>
Co-authored-by: Surinder singh chhabra <93762514+arrowguy234@users.noreply.github.com>
Co-authored-by: Arshia Ilaty <arshia.ilaty99@gmail.com>

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Merge pull request #1786 from CEED/jeremy/copy-headers

minor - upate copyright to 2025

minor - upate copyright to 2025

Merge pull request #1537 from CEED/jeremy/pragma-once

Use #pragma once for non-JiT headers

minor - update copyright headers

Merge pull request #858 from CEED/jeremy/dump-copy-stuff

Strip redundant/outdated license info duplication

minor - update copyright headers

vec/qf - initial valid/borrowed/owned split for data (#853)

* vec/qf - initial valid/borrowed/owned split for data

* vec/qf - tidy logic for checking active/stale data

* minor - add missing NU

vec/qf - initial valid/borrowed/owned split for data (#853)

* vec/qf - initial valid/borrowed/owned split for data

* vec/qf - tidy logic for checking active/stale data

* minor - add missing NULL

* doc - explain VectorTakeArray update

* minor - update error messages

* test - update error message in junit/tap

* gpu - fix stray CeedScalar vs void for QFunctionContext

* vec/qf - clarify/simplify access logic

* vec - calloc host arrays when no value set to make empty

* style - minor

* style - minor

* minor - fix error messages

* vec/qf - move data validity checking to backend interface

* gpu - add missing sync error checking for qfcontext

* gpu - homogonize use of impl for backend data to reduce confusion

* vec - clarify access conditions

* python - update test for stricter vector access

* vec - minor fixes

* minor - fix ipython change

* vec - add missing declarations in ceed/backend.h

* ctx - mirror vector borrowed data check in ctx interface

* vec - add CeedVectorGetArrayWrite

* vec - consistent use of CeedVectorGetArray vs CeedVectorGetArrayWrite

* python - small vec fixes

* doc - describe vector data semantics

* magma - update restriction

* gpu - fix restr bug I added, need to sum into target

* magma - fix restriction bug

* cpu - fix restriction bug here too

* op - fix evec allocations

* julia - fix ElemRestriction for new vector access rules

* op - double check GetArray vs Read vs Write usage

* doc - small fix

* restr - clean up read/write logic for restr

* python - add vec.array_write

* magma - typo fix

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Merge pull request #741 from CEED/jed/python-test-docs

Fix python test docs

tests - move tests to python dir