Function to print ChunkSpan for debugging purpose (#819)

* First draft for chunk printing

* Spell check correction

* Take review comment into account

Correctly manage chunk that are not accessible from the host.
Correctly manage 0d chunk.
Correct tests

* Remove unused parameter

* run clang-format

* Use std::free for hip

* Correct errors reported by clang-tidy

* Correct mdpsan access for C++23

* Correct ambiguous template with older version of clang

* msvc format display of float in hex mode is different from gcc and clang

(it looks like msvc is doing a conversion to double before converting to
hex)

* Correctly execute test on device

* Formatting

* Fix GTest target

* Cleanup headers

* Enforce east const

* Use single character

* Correct the regular expression used to check the view metadata

* Use parallel_fill when possible

* Take PR comment into account

* spell check

* Clang format with correct clang version

* Const eastness

* s_ prefix for static variables

* Reorder list of author and added myself

---------

Co-authored-by: Thomas Padioleau <thomas.padioleau@cea.fr>

Author: PaulGannay

AUTHORS

@@ -10,6 +10,9 @@ While individual authors are listed here, they might not be the actual
 copyright holders. If you are instead looking for the list of copyright
 holders, please look at the COPYRIGHT.md file.
 
+Thierry Antoun - CEA (thierry.antoun@cea.fr)
+* Work on Documentation
+* Work on adding new features
 
 Julien Bigot - CEA (julien.bigot@cea.fr)
 * Co-maintainer
@@ -21,20 +24,19 @@ Emily Bourne - CEA (emily.bourne@cea.fr)
 * Work on splines and linear algebra
 * Work on documentation requirements in CI
 
-Thomas Padioleau - CEA (thomas.padioleau@cea.fr)
-* Maintainer
-* Co-designer
-* Main developer
-* Redesign and reimplementation of splines using DDC
+Paul Gannay - CEA (paul.gannay@cea.fr)
+* Functions to print ChunkSpans
 
 Baptiste Legouix - CEA (baptiste.legouix@cea.fr)
 * FFT kernel
 * Performance portability of splines kernel, batching
 * Ginkgo and KokkosKernels backends for splines linear algebra
 
-Thierry Antoun - CEA (thierry.antoun@cea.fr)
-* Work on Documentation
-* Work on adding new features
-
 Trévis Morvany - CEA (trevis.morvany@cea.fr)
 * Work on splines
+
+Thomas Padioleau - CEA (thomas.padioleau@cea.fr)
+* Maintainer
+* Co-designer
+* Main developer
+* Redesign and reimplementation of splines using DDC

include/ddc/ddc.hpp

@@ -69,3 +69,6 @@ namespace ddc {
 #include "ddc/parallel_transform_reduce.hpp"
 #include "ddc/reducer.hpp"
 #include "ddc/transform_reduce.hpp"
+
+// Output
+#include "ddc/print.hpp"