examples/fluids: remove C99 designated initializers for use with CUDA

nvrtc does not support this construct.

Merge pull request #1095 from CEED/jed/remove-stale-indent-comments

remove stale indent comments

Merge pull request #1094 from CEED/jrwrigh/fix-error-typo

fluids: Fix freestream error typo

fluids: Improve freestream setup guards

- Run setup function when freestream bcs are requested
- Don't require -freestream_velocity to be set

fluids: Add SimpleBC to problem setup function

fluids: Move FreestreamBCSetup to newtonian.c

style: remove obsolete (with clang-format) INDENT comments

Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - re

Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - remove stray newline

* make - simpler 'make format' target

* ci - use newer libxsmm

* doc - minor release note claification

* minor - minor fix

* minor - minor fix

* minor - minor fix

* minor - minor fix

* make format

* format - less aggressive alignment rules

* tidy - check for argument name mismatches

* fix newline

* format - mirror Ratel update to .clang-format

* fix merge error

* fix merge conflict

* fix merge error

* drop style in .phony list

* Update .clang-format

Co-authored-by: Jed Brown <jed@jedbrown.org>

* apply updated format

Co-authored-by: Jed Brown <jed@jedbrown.org>

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fluids: Switch to StateVar enum #1052

fluids: Switch to StateVar enum

fluids: Unify Newtonian Primitive functions #1035

Merge separate IFunction and IJacobian routines into a single helper function and
separate wrappers for each state variable option.

fluids: Use newtonian with StateFromQi*_t func pointers

This to "unify" the primitive and conservative formulations of the
newtonian solver. By passing function pointers to a helper function, the
co

fluids: Use newtonian with StateFromQi*_t func pointers

This to "unify" the primitive and conservative formulations of the
newtonian solver. By passing function pointers to a helper function, the
compiler can optimize for a given state function(s).

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fluids: Use StateFromQi* for newt boundary QFs

fluids: Rename primitive booleans, misc formatting

Merge pull request #1029 from CEED/jrwrigh/stg-primitive

fluids: Make Strong STG compatible with primitive variables.

fluids: Use standard boundary integrals for primitive

fluids: Change newt->primitive to is_primitive

Fluids - Newtonian with Primitive variables (#1011)

* Fluids - Initial commit for Newtonian primitive variables

* Fluids - include A0 (dU/dY) in the output

* Fluids - added ICs for IG in primi

Fluids - Newtonian with Primitive variables (#1011)

* Fluids - Initial commit for Newtonian primitive variables

* Fluids - include A0 (dU/dY) in the output

* Fluids - added ICs for IG in primitive variables

* Fluids - added Jacobean QFunction for primitive variables

* Fluids - added RHS QFunction for primitive variables

* Fluids - fixed compilation errors and warnings

* Fluids - added ICs for density_current with primitive variables

* Fluids - In/OutFlow BCs for channel in primitive variables

* Adding the missing parts after rebasing onto main

* Fluids - Use correct component names for primitive variables

* Fluids - Primitive variables supported only with implicit scheme

* Fluids - drop in/outflow for channel flow and call Exact_Channel_Prim() in Exact_Channel()

* Fluids - Set solver's QFunction data in an if-else statement

* Fluids - style

* Fluids - add a comment to explain why the the gravity body force is excluded from the potential energy.

* Fluids - Exact_Channel return State

* Fluids - density_current: some style and cleanup

* Fluids - DC: refactor & cleanup

* Fluids - Singel QFunction for prim&cons

* Fluids - Use absolute temperature

* Fluids - DC: Fix pressure

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Merge pull request #980 from CEED/jrwrigh/fluids_tractionbc

FIXUP: Use BI inflow jacobian if not blasius inflow

- Previously did not use the BoundaryIntegral_Jacobian for any cases

examples/fluids: Viscous flux for BoundaryIntegral jacobian

examples/fluids: Add viscous flux to POutflow Jacobian

examples/fluids: Move blasius outflow to newtonian.h

examples/fluids: Move StrongSTGbcFunc to newtonian.h

- Requires significant changes to how the stg_context is passed to the
the strong bc

Merge branch 'main' into jeremy/assembly-fix