[dennou-ruby:001281] && and || of NArray

[Seiya Nishizawa <seiya@xxxxxx>]

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%cat test.rb
require "narray"
x = NArray.float(3).indgen
y = NArray.float(3).indgen
x = x>=2
y = y>=1
p x
p y
p x&&y
p x||y

%ruby test.rb
NArray.byte(3): 
[ 0, 1, 1 ]
NArray.byte(3): 
[ 0, 0, 1 ]
NArray.byte(3): 
[ 0, 1, 1 ]
NArray.byte(3): 
[ 0, 0, 1 ]

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&& -> [0,0,1]
|| -> [0,1,1]
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----------
Seiya Nishizawa
seiya@xxxxxx