fix(sycl): Replaces pragma once with include guards

OpenCL doesn't really like pragma once evidently. I think we've been
'getting away' with it previously as the JIT processing automatically
doesn't

fix(sycl): Replaces pragma once with include guards

OpenCL doesn't really like pragma once evidently. I think we've been
'getting away' with it previously as the JIT processing automatically
doesn't allow for nested includes, but the same is not done for
<ceed/types.h>?

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minor - header consistency

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

AtPoints - fix transpose basis apply on GPU

Add CeedBasisApplyAdd (#1644)

* basis - add CeedBasisApplyAdd + CPU impl

* basis - add ref GPU ApplyAdd

* basis - add shared GPU ApplyAdd

* basis - add MAGMA ApplyAdd

* basis - add CeedB

Add CeedBasisApplyAdd (#1644)

* basis - add CeedBasisApplyAdd + CPU impl

* basis - add ref GPU ApplyAdd

* basis - add shared GPU ApplyAdd

* basis - add MAGMA ApplyAdd

* basis - add CeedBasisApplyAddAtPoints + default impl

* basis - add GPU ApplyAddAtPoints

* tidy - add extra assert to fix clang-tidy

* Apply suggestions from code review

style - consistently use indexing over pointer arithmatic

Co-authored-by: Zach Atkins <zach.atkins@colorado.edu>

* style - more pointer fixes

---------

Co-authored-by: Zach Atkins <zach.atkins@colorado.edu>

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gpu - less explicit memory shuffling to build Chebyshev der

gpu - reduce write conflits for AtPoints basis operations

AtPoints - ease memory requirement

AtPoints - fix gpu thread usage

hip - add BasisApplyAtPoints

cuda - impl BasisApplyAtPoints

gpu - drop extra copy in ref tensor basis interp

style - bool name consistency

rstr - transpose AtPoints restriction fixes

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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minor - update copyright headers

interface - add Ceed*ReturnCeed

Fix a few incorrect JIT header includes

Refactor GPU-backend element restriction source to only compile the required kernels, and do so lazily at first apply

Lazily compile GPU diagonal/point-block diagonal assembly kernels as needed

Also fixes CEED_SIZE -> USE_CEEDSIZE definition.

Add deterministic element restriction transpose GPU kernels for oriented and curl-oriented restrictions

Operator full assembly and diagonal assembly for cuda-ref and hip-ref backends for H(div) and H(curl) elements

Initial commit for cuda-ref and hip-ref backend support for oriented and curl-oriented element restrictions

For now, the element restriction transpose for oriented or curl-oriented cases is always n

Initial commit for cuda-ref and hip-ref backend support for oriented and curl-oriented element restrictions

For now, the element restriction transpose for oriented or curl-oriented cases is always non-deterministic.

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H(div) and H(curl) basis support for cuda-ref and hip-ref backends

Minor cleanup to magma non-tensor kernel