Several fixes for Mac

These fixes should be useful for all, even non-Mac.

They relate to either forgotten #includes, forgotten override keywords, or forgotten const keywords. They all caused compilation errors in my MacBook.

added bug label

added 1 commit

• c11c325d - Add override keyword

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marked as a Work In Progress

changed title from {-Add #include to make accumulate work-} to WIP several fixes for Mac

changed the description

added 2 commits

• 62a4077d - Add #include <array>
• 2766b555 - Add const keywords

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added 1 commit

• f593031f - CMake hotfix

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added 2 commits

• f5cd992b - Fix covariances and vector sizes
• 6edc4299 - Update CMakeLists.txt

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added 1 commit

• f8f1291d - Organize a bit

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added 1 commit

• 11f4e625 - Fix hello_wolf library linking problem

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unmarked as a Work In Progress

changed title from WIP several fixes for Mac to Several fixes for Mac

@jcasals this MR is done -- I removed the WIP.

merged