Fix comment

Fix GCC warnings for casts between incompatible function types

Silence compiler warnings for -Wstrict-prototypes

Merge pull request #1435 from CEED/zach/gpu-assemble-diag-basis-none

GPU - Don't call diagonal kernels if input arrays are null pointers

Merge pull request #1433 from CEED/sjg/strided-no-atomic-dev

make format

Strided transpose element restriction does not require atomic adds

Merge pull request #1427 from CEED/jeremy/gpu-doc

Add gpu dev notes

doc - clarify memory access assumptions

doc - note CEED_QFUNCTION macro creates abspath

doc - add gpu dev notes

Merge pull request #1426 from CEED/jeremy/trailing

Fix trailing spaces in non-linted files

make - add whitespace trim formatting

doc - use nbsp and \ to hack markdown

style - fix trailing spaces in non-linted files

Merge pull request #1425 from CEED/sjg/var-name-consistency

Consistency fix for a few missed CeedElemRestriction and CeedBasis variable names in the public API

Consistency fix for a few missed CeedElemRestriction rstr variables in the public API

Merge pull request #1424 from CEED/sjg/asan-vec-fix

Minor function signature fix caught with ASan

Minor function signature fix caught with ASan

Merge pull request #1423 from CEED/jrwrigh/fluids_high_order_geom

fluids: Support higher-order geometry

memcheck - match nan check for QFunction field size

Merge pull request #1420 from CEED/jeremy/memcheck-nan-fix

Fix memcheck detection of uninitalized outputs

fluids: Support higher-order geometry

cpu - fix memcheck detection of uninitalized outputs