Draft: C++ port of horizontal/mo_lib_gradients.F90

Port the functions of mo_lib_gradients.F90 to C++, with C bindings. Untested, but compiles.

marked this merge request as draft

added 54 commits

• 15e3c5d0...d7510331 - 40 commits from branch feature-add-cpp-codes
• d7510331...42e6b538 - 4 earlier commits
• 6922bd1f - Port grad_fd_norm_lib() to C++
• deebaf75 - Add extra loop to store indices of je vertices in grad_fd_norm_lib()
• c3990e1f - Port grad_fe_cell_adv_lib() to C++ (no MPI)
• 1e02ca08 - Port grad_fe_cell_adv_2d_lib() to C++ (no MPI)
• f8f3c185 - Port grad_fe_cell_dycore_lib() to C++ (no MPI)
• 769f49fd - Port functions from the grad_green_gauss_cell_lib interface to C++
• 24091dfd - Add comment suggestion for zero filling related to MPI
• 6902acef - Fix header and function name
• 34b799a9 - Add bindings
• dd5e63b8 - Fix CMakeList and bindings

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added 56 commits

• dd5e63b8...af882064 - 42 commits from branch feature-add-cpp-codes
• af882064...81d34b20 - 4 earlier commits
• 42831f86 - Port grad_fd_norm_lib() to C++
• 5dc5f5ae - Add extra loop to store indices of je vertices in grad_fd_norm_lib()
• e2524389 - Port grad_fe_cell_adv_lib() to C++ (no MPI)
• 86cd593f - Port grad_fe_cell_adv_2d_lib() to C++ (no MPI)
• 8f5e5ba5 - Port grad_fe_cell_dycore_lib() to C++ (no MPI)
• 8fe8e857 - Port functions from the grad_green_gauss_cell_lib interface to C++
• bfd83b50 - Add comment suggestion for zero filling related to MPI
• 2ac6d739 - Fix header and function name
• b9b1eb2b - Add bindings
• 965aa7ec - Fix CMakeList and bindings

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added 3 commits

• 9380f2cf - fixed few bugs in the C++ code
• 1bd0f11e - fixed all the c++ codes and their headers
• da56e845 - fixed the bindings for gradients

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added 2 commits

• 9f6ea036 - fixed a bug in mo_lib_gradients
• f91b8978 - added the first test for mo_lib_gradients

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