R: Fast C++ Primitives for the 'NeuroAnatomy Toolbox'

# Fast C++ Primitives for the 'NeuroAnatomy Toolbox'

## Documentation for package ‘natcpp’ version 0.2

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

c_coords21dindex | Convert physical coordinates to 1d indices into image array
c_EdgeListFromSegList | Turn a segment list into an edgelist suitable for constructing an ngraph
c_ijkpos | Convert physical coordinates to pixel coordinates
c_listlengths | A simple function to compute the lengths of the elements of an R list
c_ListofMatrixRows | Convert a matrix into list of row vectors
c_seglengths | Compute summed segment lengths or total cable
c_sub2ind | Find 1D index given n-dimensional indices
c_topntail | Find the first and last elements of all vectors in a list
c_topntail_list | Find the first and last elements of all vectors in a list
c_total_cable | Compute summed segment lengths or total cable