Map .inc files to C++ in Doxygen extension mapping

Pavel Guzenfeldrequested to merge
PavelGuzenfeld/eigen:docs/fix-inc-extension-mapping into master

Summary

  • Add .inc=C++ to Doxygen EXTENSION_MAPPING in Doxyfile.in
  • Ensures .inc plugin headers (BlockMethods.inc, IndexedViewMethods.inc, CommonCwiseUnaryOps.inc, etc.) are parsed as C++ by Doxygen
  • Improves searchability of methods like middleCols, topRightCorner, unaryExpr, binaryExpr in generated API docs

Test plan

  • Verified the change is a single-line addition to Doxyfile.in
  • No impact on code compilation

Relates to #1978, #2024

Merge request reports