Handles checking output of the arc to ensure we don't end up generating
an invalid arc. Also keeps the limit of the arc angle to be (360,360)
excluding 0.
Fixes https://gitlab.com/kicad/code/kicad/issues/10070
This only tests the InterceptsPositiveX() and InterceptsNegativeX() used
for finding the midpoint of an arc.
Tidy up some of the trigo.h header Doxygen comments.
This implements all existing symbol library object support and the ability
to save and load symbol library files between file formats for round robin
testing.
* Split up the thirdparty code into the thirdparty folder (#3637)
* Create a new kimath static library containing all the math functions
This is part of cleaning the build system for #1906.