Commits on Feb 8, 2024

1. Disable whitespace disrupting CUDA chevrons …

   Previously, fprettify did not understand CUDA fortran's triple-chevron syntax
   for calling kernel functions, e.g.
   ```fortran
   call example_kernel<<<1, 1>>>(args)
   ```
   As a result, each symbol in the chevrons `<<<` would have whitespace added, resulting
   in the incorrect syntax:
   ```fortran
   call example_kernel <  <  < 1, 1 >  >  > (args)
   ```
   
   This problem only occurs when adding whitespace around relational operators
   is enabled.
   
   This commit adds an escape hatch to the function that handles whitespace
   around operators `add_whitespace_context` which disables the whitespace
   handling for any line that matches the REGEX "<<<.*>>>":
   
   ```python
   CUDA_CHEVRONS_RE = re.compile(r"<<<.*>>>", RE_FLAGS)
   
   ...
   
   if not ( ... or CUDA_CHEVRONS_RE.search(line) ):
   ```
   
   This change should not break any Fortran syntax, however any relational
   operator that appears in a line that *also* features a triple-chevron
   will not be formatted, e.g.
   
   ```fortran
   call example_kernel<<<1, 1>>>(3< 4, var1 ==var2)
   ```

   

   JamieJQuinn committed Feb 8, 2024
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