Feature/redesign fix cuda kernel memory

Issue/feature addressed

This MR remove CUDA heap memory allocation for kernel functions and instead pre-allocate the required memory from the host. Additionally,

• Consistently use __restrict__ keyword
• Activate clang-format for CUDA files
• Add reduceMax CUDA kernel

Proposed solution

Implementation

Tests

Suggested reviewers

Please suggest any people who would be appropriate to review your code.

Notes

Please add any other information that could be useful for reviewers.

Checklist

• Functions and classes, or changes to them, are documented.
• [ ] User guide/documentation is updated.
• [ ] Changelog is updated.
• [ ] Suitable tests added for new functionality.
• Contributed code is correctly formatted. (See the contributing guidelines).
• [ ] License added to any new files.
• No extraneous files have been added (e.g. compiler output or test data files).