Merge pull request #1912 from CEED/jeremy/copyright

minor - update copyright to 2026

minor - update copyright to 2026

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

minor - upate copyright to 2025

minor - upate copyright to 2025

Merge pull request #1696 from CEED/jeremy/jit-include

JiT include update

qf - prefer ceed/types.h over ceed.h in qf source

Merge pull request #1550 from CEED/jrwrigh/consistent_fluids_qf

refactor(fluids): Make QF comments consistent

refactor(fluids): Make QF comments consistent

See discussion: https://github.com/CEED/libCEED/pull/1539#discussion_r1548312418

Drop JiT Guards in Most QF Source (#1540)

* backend - use pragma once

* gallery - drop source header guards

* ex - drop some qfunction source header guards

* fluids - drop guards on all sin

Drop JiT Guards in Most QF Source (#1540)

* backend - use pragma once

* gallery - drop source header guards

* ex - drop some qfunction source header guards

* fluids - drop guards on all singly included headers

* jit - drop most guards on backend JiT files

* sycl - drop extra header guards

* jit - enable #pragma once for QF source

* fluids - use #pragma once for util/helper qf source

* test - check different multiple includes

* fluids - fix odd include

* jit - update interface for building JiT string from multiple files

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

Use #pragma once for non-JiT headers

minor - update copyright headers

Merge pull request #1303 from CEED/jrwrigh/fluids-setupqfs

fluids: Refactor setupgeo*, calculate dXdx directly for strong BC

fluids: Calculate dXdx for strong BCs directly

ie. don't use q_data_sur

Merge pull request #1185 from CEED/jrwrigh/fluids-cleanup

fluids: Move to local Vec storage and petsc-ops

refactor(fluids): Dirichlet -> Strong BC

- Use "strong" and "dirichlet" to refer to the same thing
(hard-contrained degrees-of-freedom). Chose "strong", as dirichlet may
be enforced weakly.