# File lib/geo_ruby/simple_features/line_string.rb, line 51 def m_range if with_m max_m, min_m = -Float::MAX, Float::MAX each do |point| max_m = point.m if point.m > max_m min_m = point.m if point.m < min_m end [min_m,max_m] else [0,0] end end