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fixed ang2deg(angle a)
Converts degrees to ZDoom angles.
fixed ang2rad(angle a)
angle deg2ang(fixed degrees)
fixed deg2rad(fixed degrees)
angle rad2ang(fixed radians)
fixed rad2deg(fixed radians)
int ang2byte(angle a)
angle byte2ang(int byteAngle)
fixed accel2grav(fixed accel)
fixed grav2accel(fixed gravity)