CeedScalarView: truncate small values to +0

Fixes unstable output formatting for t10, resolve #39.

Add CEED_DIR to make-nek-examples.sh

[magma-dev] Tweaks in Makefile. Fix formatting to suppress warnings.

examples/petsc: add -std=c99 to CFLAGS

Cache OCCA kernels in PETSc examples makefile

[occa] PETSc example with ctx inout, qfdatasize & offsets

[occa] device from ressource, OpenCL TILE size tied to 1

Copyright banners, few other small changes

make style

[occa] fixed /ocl/occa

modify properly the ceed-magma

modify properly the Makefile

add two more file for the magma backend; porting single tensor contraction call

Couple more OKL kernel fixes in example Makefiles

Comment-out the restrict kernels using atomicAdd(double), so we can build the
OCCA backends on GPU cards with lower SMs.

Removed C11 _Generic macro in dbg/cdbg macros in ceed-occa.h.

Fixed OKL kern

Comment-out the restrict kernels using atomicAdd(double), so we can build the
OCCA backends on GPU cards with lower SMs.

Removed C11 _Generic macro in dbg/cdbg macros in ceed-occa.h.

Fixed OKL kernel caching in Makefile in examples/mfem.

Make style.

show more ...

[occa] occaPropertiesSet to match new C wrapper API

Check the TODOs

[occa] dbg macros + ceed argument moved down to occa backend

[occa] Makefile targets comments, occa source debug cleanup

[test] t30 output removed, added V vector 0.0 check

[occa] examples Makefile occa cache

[occa] basis & restrict stat logic to test out of source examples

[occa] pushing backends/occa/*.okl to install prefix/lib/okl and use them if needed

[occa] style

[occa] CeedDebug output when CEED_DEBUG or DBG are non null