tompaton

#!/usr/bin/env python

# kd-tree index and nearest neighbour search
# includes doctests, run with: python -m doctest kdtree.py

class KDTree(object):
    """
    kd-tree spatial index and nearest neighbour search
    http://en.wikipedia.org/wiki/Kd-tree
    """

archaelus

-module(netmask).
-export([in_network/3]).

in_network(Net, CIDR, IP)
  when is_binary(Net), is_binary(IP), is_integer(CIDR) ->
    <<NetworkPrefix:CIDR/bits, _/bits>> = Net,
    case IP of
        <<NetworkPrefix:CIDR/bits, _Host/bits>> ->
            in_net;
        _ -> not_in_net

zaphar

-module(date_util).
-compile(export_all).

epoch() ->
    now_to_seconds(now())
.   
    
epoch_hires() ->
    now_to_seconds_hires(now())
.