Mark Olesen authored 15 years ago and Andrew Heather committed 15 years ago

- still needs more fleshing out, but introduce the method for now and
  add more code later (without recompiling everything else).

Mark Olesen authored 15 years ago and Andrew Heather committed 15 years ago

- use shift-right instead of shift-left formulation to avoid wrong behaviour
  with non-optimized compilation when the packed items fit exactly in the
  available number of bits.

This reverts commit 82e59fa1.

- avoid ambiguities caused by relative paths

- contains the name part of the FOAM_CASE environment variable

- similar to the #include directive, but does not generate an error if the
  file does not exist.

Note: opted for an explicit naming #includeIfPresent rather than #cinclude