File: testindexary.rb

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libnarray-ruby 0.5.9p7-1
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require 'narray'

a = NArray.new(NArray::DFLOAT,5,5).indgen!
print "a #=> "; p a

idx = [2,0,1]
print "\nidx #=> "
 p idx

print "\na[idx,idx]  # Index Array\n #=> "
 p a[idx,idx]

idx = NArray.to_na(idx)
idx += 10
print "\nidx #=> "
 p idx

print "\na[idx] #=> "
 p a[idx]

print "\na[1,[]]  # Empty Array\n #=> "
 p a[1,[]]

print "\nFollowing will fail...\n\n"
print "a[idx,0] #=> \n"
p a[idx,0]