You can clone with
exifr/tiff.rb:333: warning: in a**b, b may be too big
ruby version: 1.9.3p125
when some picture's shutter_speed_value is too big, may be should do some optimizing in here
test picture address: http://tudulist.com/test.jpg
avoid RMI 1.9 lockup on bad shutter_speed_value (GH #27)
Fixed release 1.1.3.
so efficient! thanks very much and this great gem~