free_functions

Collection of functions stumbled upon by using websites like stackoverflow. Licenses are in the source tree.

MISSING

cv2eigen	Convert between the eigen and opencv implemenations of matrices.
eigen2cv	Convert between the eigen and opencv implemenations of matrices.
extendRay	This function takes a ray defined by two points in 3d space and extends the ray by the given amount.
getShortestDistance	Get the shortest distance between two points or line segments in 3d space.
print_stacktrace	Print the current stacktrace. This is very helpful when debugging without a debugger. This function gets called by signal handling code.