/
tc_multiarray.rb
765 lines (687 loc) · 29.1 KB
/
tc_multiarray.rb
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# multiarray - Lazy multi-dimensional arrays for Ruby
# Copyright (C) 2010 Jan Wedekind
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'test/unit'
begin
require 'rubygems'
rescue LoadError
end
Kernel::require 'multiarray'
class TC_MultiArray < Test::Unit::TestCase
O = Hornetseye::OBJECT
B = Hornetseye::BOOL
I = Hornetseye::INT
C = Hornetseye::INTRGB
X = Hornetseye::DCOMPLEX
S = Hornetseye::Sequence
M = Hornetseye::MultiArray
Malloc = Hornetseye::Malloc
def C( *args )
Hornetseye::RGB *args
end
def X( *args )
Complex *args
end
def S( *args )
Hornetseye::Sequence *args
end
def M( *args )
Hornetseye::MultiArray *args
end
def sum( *args, &action )
Hornetseye::sum *args, &action
end
def argmin( *args, &action )
Hornetseye::argmin *args, &action
end
def argmax( *args, &action )
Hornetseye::argmax *args, &action
end
def finalise( *args, &action )
Hornetseye::finalise *args, &action
end
def setup
end
def teardown
end
def test_multiarray_inspect
assert_equal 'MultiArray(OBJECT,2)', M(O,2).inspect
assert_equal 'MultiArray(OBJECT,2)', S(S(O)).inspect
end
def test_multiarray_to_s
assert_equal 'MultiArray(OBJECT,2)', M(O,2).to_s
assert_equal 'MultiArray(OBJECT,2)', S(S(O)).to_s
end
def test_multiarray_at
assert_equal [ [ 1, 2, 3 ], [ 4, 5, 6 ] ],
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].to_a
assert_equal [ [ 1, 2, 3 ], [ 4, 5, 6 ] ],
M(O, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].to_a
assert_equal O, M[ [ :a ] ].typecode
assert_equal B, M[ [ false ], [ true ] ].typecode
assert_equal I, M[ [ -2 ** 31, 2 ** 31 - 1 ] ].typecode
end
def test_multiarray_indgen
assert_equal M(I, 2)[ [ 0, 1, 2 ], [ 3, 4, 5 ] ],
M(I, 2).indgen(3, 2)
assert_equal M(I, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ],
M(I, 2).indgen(3, 2, 1)
assert_equal M(I, 2)[ [ 0, 2, 4 ], [ 6, 8, 10 ] ],
M(I, 2).indgen(3, 2, 0, 2)
assert_equal M(I, 2)[ [ 1, 3, 5 ], [ 7, 9, 11 ] ],
M(I, 2).indgen(3, 2, 1, 2)
assert_equal M(C, 2)[ [ C( 1, 2, 3 ), C( 2, 2, 2 ) ],
[ C( 3, 2, 1 ), C( 4, 2, 0 ) ] ],
M(C, 2).indgen(2, 2, C( 1, 2, 3 ), C( 1, 0, -1 ))
end
def test_inspect
assert_equal "MultiArray(OBJECT,2):\n[ [ :a, 2, 3 ],\n [ 4, 5, 6 ] ]",
M[ [ :a, 2, 3 ], [ 4, 5, 6 ] ].inspect
assert_equal "MultiArray(UBYTE,3):\n" +
"[ [ [ 0, 1, 2, 3 ],\n" +
" [ 4, 5, 6, 7 ],\n" +
" [ 8, 9, 10, 11 ] ],\n" +
" [ [ 12, 13, 14, 15 ],\n" +
" [ 16, 17, 18, 19 ],\n" +
" [ 20, 21, 22, 23 ] ] ]",
M[ [ [ 0, 1, 2, 3 ],
[ 4, 5, 6, 7 ],
[ 8, 9, 10, 11 ] ],
[ [ 12, 13, 14, 15 ],
[ 16, 17, 18, 19 ],
[ 20, 21, 22, 23 ] ] ].inspect
end
def test_dup
m = M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
v = m.dup
v[ 2, 1 ] = 0
assert_equal M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ], m
end
def test_typecode
assert_equal O, M(O, 2).new(3, 2).typecode
assert_equal I, M(I, 2).new(3, 2).typecode
assert_equal C, M(C, 2).new(3, 2).typecode
end
def test_dimension
assert_equal 2, M(O, 2).new(3, 2).dimension
assert_equal 2, M(I, 2).new(3, 2).dimension
assert_equal 2, M(C, 2).new(3, 2).dimension
end
def test_shape
assert_equal [ 3, 2 ], M(O, 2).new(3, 2).shape
end
def test_size
assert_equal 6, M(O, 2).new(3, 2).size
end
def test_import
str = "\001\000\000\000\002\000\000\000\003\000\000\000" +
"\004\000\000\000\005\000\000\000\006\000\000\000"
assert_equal [ [ 1, 2, 3 ], [ 4, 5, 6 ] ], M.import( I, str, 3, 2 ).to_a
m = Malloc.new str.bytesize
m.write str
assert_equal [ [ 1, 2, 3 ], [ 4, 5, 6 ] ], M.import( I, m, 3, 2 ).to_a
end
def test_at_assign
[ M(O, 2), M(I, 2) ].each do |t|
m = t.new 3, 2
for j in 0 ... 2
for i in 0 ... 3
assert_equal j * 3 + i + 1, m[ j ][ i ] = j * 3 + i + 1
assert_equal j * 3 + i + 1, m[ i, j ] = j * 3 + i + 1
end
end
for j in 0 ... 2
for i in 0 ... 3
assert_equal j * 3 + i + 1, m[ j ][ i ]
assert_equal j * 3 + i + 1, m[ i, j ]
end
end
assert_raise(RuntimeError) { m[ -1 ] }
assert_raise(RuntimeError) { m[ 2 ] }
assert_nothing_raised { m[ 0 ] }
assert_nothing_raised { m[ 1 ] }
assert_raise(RuntimeError) { m[ -1 ] = 0 }
assert_raise(RuntimeError) { m[ 2 ] = 0 }
assert_raise(RuntimeError) { m[ 3, 1 ] }
assert_raise(RuntimeError) { m[ 3, 1 ] = 0 }
assert_raise(RuntimeError) { m[ -1, 1 ] }
assert_raise(RuntimeError) { m[ -1, 1 ] = 0 }
assert_raise(RuntimeError) { m[ 2, -1 ] }
assert_raise(RuntimeError) { m[ 2, -1 ] = 0 }
assert_raise(RuntimeError) { m[ 2, 2 ] }
assert_raise(RuntimeError) { m[ 2, 2 ] = 0 }
assert_nothing_raised { m[ 0, 0 ] }
assert_nothing_raised { m[ 2, 1 ] }
assert_raise(RuntimeError) { m[ 0 ] = m }
assert_raise(RuntimeError) { m[ 0 ] = S[ 0, 1 ] }
assert_nothing_raised { m[ 0 ] = 0 }
assert_nothing_raised { m[ 1 ] = 0 }
assert_nothing_raised { m[ 0 ] = m[ 1 ] }
end
end
def test_slice
[ M(O, 2), M(I, 2) ].each do |t|
m = t.indgen(5, 4)[]
assert_equal [ [ 5, 10 ], [ 6, 11 ], [ 7, 12 ], [ 8, 13 ], [ 9, 14 ] ],
m[ 1 .. 2 ].to_a
assert_equal [ [ 6, 7, 8 ], [ 11, 12, 13 ] ],
m[ 1 .. 2 ][ 1 .. 3 ].to_a
assert_equal [ [ 6, 7, 8 ], [ 11, 12, 13 ] ],
m[ 1 .. 3, 1 .. 2 ].to_a
m[ 1 .. 2 ] = 0
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 0, 0, 0, 0, 0 ],
[ 0, 0, 0, 0, 0 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
m[ 1 ... 3 ] = 1
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 1, 1, 1, 1, 1 ],
[ 1, 1, 1, 1, 1 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
m[ 1 .. 2 ] = S[ 2, 3, 4, 5, 6 ]
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 2, 3, 4, 5, 6 ],
[ 2, 3, 4, 5, 6 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
m[ 1 ... 3 ] = S[ 3, 4, 5, 6, 7 ]
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 3, 4, 5, 6, 7 ],
[ 3, 4, 5, 6, 7 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
m[ 1 .. 3, 1 .. 2 ] = 0
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 3, 0, 0, 0, 7 ],
[ 3, 0, 0, 0, 7 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
m[ 1 ... 4, 1 ... 3 ] = 1
assert_equal [ [ 0, 1, 2, 3, 4 ], [ 3, 1, 1, 1, 7 ],
[ 3, 1, 1, 1, 7 ], [ 15, 16, 17, 18, 19 ] ], m.to_a
assert_raise(RuntimeError) { m[ 2 .. 4 ] }
assert_raise(RuntimeError) { m[ 2 .. 4 ] = 0 }
assert_raise(RuntimeError) { m[ 2 .. 4 ] = m[ 1 .. 3 ] }
assert_raise(RuntimeError) { m[ 2 .. 3 ] = m[ 1 .. 3 ] }
assert_raise(RuntimeError) { m[ 2 ... 5 ] }
assert_raise(RuntimeError) { m[ 2 ... 5 ] = 0 }
assert_raise(RuntimeError) { m[ 2 ... 5 ] = m[ 1 ... 4 ] }
assert_raise(RuntimeError) { m[ 2 ... 4 ] = m[ 1 ... 4 ] }
assert_raise(RuntimeError) { m[ -1 .. 0 ] }
assert_raise(RuntimeError) { m[ -1 .. 0 ] = 0 }
assert_raise(RuntimeError) { m[ -1 .. 0 ] = m[ 0 .. 1 ] }
assert_raise(RuntimeError) { m[ -1 ... 1 ] }
assert_raise(RuntimeError) { m[ -1 ... 1 ] = 0 }
assert_raise(RuntimeError) { m[ -1 ... 1 ] = m[ 0 ... 2 ] }
assert_nothing_raised { m[ 0 .. 3 ] }
assert_nothing_raised { m[ 0 .. 3 ] = 0 }
assert_nothing_raised { m[ 0 .. 3 ] = m[ 0 .. 3 ] }
assert_nothing_raised { m[ 0 ... 4 ] }
assert_nothing_raised { m[ 0 ... 4 ] = 0 }
assert_nothing_raised { m[ 0 ... 4 ] = m[ 0 ... 4 ] }
assert_raise(RuntimeError) { m[ 1 .. 5, 1 ] }
assert_raise(RuntimeError) { m[ 1 .. 5, 1 ] = 0 }
assert_raise(RuntimeError) { m[ 1 .. 5, 1 ] = m[ 0 .. 4, 1 ] }
assert_raise(RuntimeError) { m[ 1 .. 4, 1 ] = m[ 0 .. 4, 1 ] }
assert_raise(RuntimeError) { m[ 1 ... 6, 1 ] }
assert_raise(RuntimeError) { m[ 1 ... 6, 1 ] = 0 }
assert_raise(RuntimeError) { m[ 1 ... 6, 1 ] = m[ 0 ... 5, 1 ] }
assert_raise(RuntimeError) { m[ 1 ... 5, 1 ] = m[ 0 ... 5, 1 ] }
assert_raise(RuntimeError) { m[ -1 .. 3, 1 ] }
assert_raise(RuntimeError) { m[ -1 .. 3, 1 ] = 0 }
assert_raise(RuntimeError) { m[ -1 .. 3, 1 ] = m[ 0 .. 4, 1 ] }
assert_raise(RuntimeError) { m[ -1 ... 3, 1 ] }
assert_raise(RuntimeError) { m[ -1 ... 3, 1 ] = 0 }
assert_raise(RuntimeError) { m[ -1 ... 3, 1 ] = m[ 0 ... 4, 1 ] }
assert_nothing_raised { m[ 0 .. 4, 1 ] }
assert_nothing_raised { m[ 0 .. 4, 1 ] = 0 }
assert_nothing_raised { m[ 0 .. 4, 1 ] = m[ 0 .. 4, 0 ] }
assert_nothing_raised { m[ 0 ... 5, 1 ] }
assert_nothing_raised { m[ 0 ... 5, 1 ] = 0 }
assert_nothing_raised { m[ 0 ... 5, 1 ] = m[ 0 ... 5, 0 ] }
assert_raise(RuntimeError) { m[ 1, 1 .. 4 ] }
assert_raise(RuntimeError) { m[ 1, 1 .. 4 ] = 0 }
assert_raise(RuntimeError) { m[ 1, 1 .. 4 ] = m[ 1, 0 .. 3 ] }
assert_raise(RuntimeError) { m[ 1, 1 .. 3 ] = m[ 1, 0 .. 3 ] }
assert_raise(RuntimeError) { m[ 1, 1 ... 5 ] }
assert_raise(RuntimeError) { m[ 1, 1 ... 5 ] = 0 }
assert_raise(RuntimeError) { m[ 1, 1 ... 5 ] = m[ 1, 0 ... 4 ] }
assert_raise(RuntimeError) { m[ 1, 1 ... 4 ] = m[ 1, 0 ... 4 ] }
assert_raise(RuntimeError) { m[ 1, -1 .. 2 ] }
assert_raise(RuntimeError) { m[ 1, -1 .. 2 ] = 0 }
assert_raise(RuntimeError) { m[ 1, -1 .. 2 ] = m[ 1, 0 .. 3 ] }
assert_raise(RuntimeError) { m[ 1, -1 ... 2 ] }
assert_raise(RuntimeError) { m[ 1, -1 ... 2 ] = 0 }
assert_raise(RuntimeError) { m[ 1, -1 ... 2 ] = m[ 1, 0 ... 3 ] }
assert_nothing_raised { m[ 1, 0 .. 3 ] }
assert_nothing_raised { m[ 1, 0 .. 3 ] = 0 }
assert_nothing_raised { m[ 1, 0 .. 3 ] = m[ 0, 0 .. 3 ] }
assert_nothing_raised { m[ 1, 0 ... 4 ] }
assert_nothing_raised { m[ 1, 0 ... 4 ] = 0 }
assert_nothing_raised { m[ 1, 0 ... 4 ] = m[ 0, 0 ... 4 ] }
end
end
def test_view
[ M(O, 2), M(I, 2) ].each do |t|
m = t[[1, 2, 3], [4, 5, 6]]
v = m[1, 0 ... 2]
v[] = 0
assert_equal [[1, 0, 3], [4, 0, 6]], m.to_a
end
end
def test_transpose
assert_equal [ [ 1, 4 ], [ 2, 5 ], [ 3, 6 ] ],
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].transpose(1, 0).to_a
assert_equal [ [ [ 0, 3 ], [ 1, 4 ], [ 2, 5 ] ] ],
M(I, 3).indgen(3, 2, 1).transpose(1, 0, 2).to_a
assert_raise(RuntimeError) { M[[1, 2], [3, 4]].transpose }
assert_raise(RuntimeError) { M[[1, 2], [3, 4]].transpose 1, 2 }
assert_raise(RuntimeError) { M[[1, 2], [3, 4]].transpose 0, 0 }
end
def test_roll_unroll
assert_equal [ [ [ 0 ], [ 1 ], [ 2 ] ], [ [ 3 ], [ 4 ], [ 5 ] ] ],
M(I, 3).indgen(3, 2, 1).unroll.to_a
assert_equal [ [ [ 0, 3 ] ], [ [ 1, 4 ] ], [ [ 2, 5 ] ] ],
M(I, 3).indgen(3, 2, 1).roll.to_a
end
def test_equal
assert_equal M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ], M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
assert_not_equal M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ],
M[ [ 1, 2, 3 ], [ 4, 6, 5 ] ]
# !!!
assert_not_equal M[ [ 1, 1 ], [ 1, 1 ] ], 1
assert_not_equal M[ [ 1, 1 ], [ 1, 1 ] ], S[ 1, 1 ]
end
def test_r_g_b
assert_equal M[ [ 1, 4 ], [ 5, 6 ] ], M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].r
assert_equal M[ [ 2, 4 ], [ 5, 6 ] ], M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].g
assert_equal M[ [ 3, 4 ], [ 5, 6 ] ], M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].b
assert_equal M[ [ C( 3, 2, 1 ), 4 ], [ 5, 6 ] ],
M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].swap_rgb
assert_equal M[ [ 1, 4 ], [ 5, 6 ] ],
M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].collect { |x| x.r }
assert_equal M[ [ 2, 4 ], [ 5, 6 ] ],
M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].collect { |x| x.g }
assert_equal M[ [ 3, 4 ], [ 5, 6 ] ],
M[ [ C( 1, 2, 3 ), 4 ], [ 5, 6 ] ].collect { |x| x.b }
end
def test_real_imag
assert_equal M[ [ 1, 3 ], [ 4, 5 ] ], M[ [ X( 1, 2 ), 3 ], [ 4, 5 ] ].real
assert_equal M[ [ 2, 0 ], [ 0, 0 ] ], M[ [ X( 1, 2 ), 3 ], [ 4, 5 ] ].imag
assert_equal M[ [ 1, 3 ], [ 4, 5 ] ],
M[ [ X( 1, 2 ), 3 ], [ 4, 5 ] ].collect { |x| x.real }
assert_equal M[ [ 2, 0 ], [ 0, 0 ] ],
M[ [ X( 1, 2 ), 3 ], [ 4, 5 ] ].collect { |x| x.imag }
end
def test_inject
assert_equal 21, M[[1, 2, 3], [4, 5, 6]].inject { |a,b| a + b }
assert_equal 21, M[[1, 2, 3], [4, 5, 6]].inject(:+)
assert_equal 28, M[[1, 2, 3], [4, 5, 6]].inject(7) { |a,b| a + b }
assert_equal 28, M[[1, 2, 3], [4, 5, 6]].inject(7, :+)
end
def test_collect
assert_equal M[ [ 2, 3, 4 ], [ 5, 6, 7 ] ],
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].collect { |x| x + 1 }
assert_equal M[ [ 6 ] ], M[ [ C( 1, 2, 3 ) ] ].collect { |x| x.r + x.g + x.b }
end
def test_each
a = []
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].each { |x| a << x }
assert_equal [ 1, 2, 3, 4, 5, 6 ], a
end
def test_sum
m = M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
assert_equal 21, sum { |i,j| m[ i, j ] }
assert_equal [ 5, 7, 9 ], sum { |i| m[ i ] }.to_a
assert_equal [ 6, 15 ], finalise { |j| sum { |i| m[ i, j ] } }.to_a
assert_equal [ [ 1, 2, 3 ] , [ 4, 5, 6 ] ], sum { || m }.to_a
end
def test_argmax
assert_equal [[1, 1, 0]],
argmax { |i| M[[1, 2, 3], [4, 3, 2]][i] }.collect { |x| x.to_a }
assert_equal [0, 1], argmax { |i,j| M[[1, 2, 3], [4, 3, 0]][i,j] }
m = M[[[1,0,3,4],[5,4,3,2],[1,2,1,0]],[[3,2,4,1],[7,4,8,2],[2,1,9,1]]]
assert_equal [[[1, 1, 1, 0], [1, 0, 1, 0], [1, 0, 1, 1]]],
argmax { |i| m[i] }.collect { |x| x.to_a }
assert_equal [[1, 1, 2, 0], [1, 0, 1, 0]],
argmax { |i,j| m[i,j] }.collect { |x| x.to_a }
assert_equal [2, 2, 1], argmax { |i,j,k| m[i,j,k] }
end
def test_min
assert_equal 1, M[ [ 5, 3, 7 ], [ 2, 1, 6 ] ].min
end
def test_max
assert_equal 7, M[ [ 5, 3, 7 ], [ 2, 1, 6 ] ].max
end
def test_sum
assert_equal 24, M[ [ 5, 3, 7 ], [ 2, 1, 6 ] ].sum
end
def test_range
assert_equal 1 .. 7, M[ [ 5, 3, 7 ], [ 2, 1, 6 ] ].range
end
def test_diagonal
assert_equal S[ 'b1a2', 'c1b2a3', 'c2b3' ],
M[ [ 'a1', 'a2', 'a3' ],
[ 'b1', 'b2', 'b3' ],
[ 'c1', 'c2', 'c3' ] ].diagonal { |a,b| a + b }
assert_equal S[ 'c1b2a3', 'c2b3a4', 'c3b4' ],
M[ [ 'a1', 'a2', 'a3', 'a4' ],
[ 'b1', 'b2', 'b3', 'b4' ],
[ 'c1', 'c2', 'c3', 'c4' ] ].diagonal { |a,b| a + b }
assert_equal S[ 'xb1a2', 'xc1b2a3', 'xd1c2b3', 'xd2c3' ],
M[ [ 'a1', 'a2', 'a3' ],
[ 'b1', 'b2', 'b3' ],
[ 'c1', 'c2', 'c3' ],
[ 'd1', 'd2', 'd3' ] ].diagonal( 'x' ) { |a,b| a + b }
assert_equal S(I)[ 4, 12, 21, 18 ],
M(I, 2).indgen(3, 4).diagonal { |a,b| a + b }
assert_equal S(I)[ 4, 12, 12 ],
M(I, 2).indgen(3, 3).diagonal { |a,b| a + b }
assert_equal S(I)[ 4, 6 ],
M(I, 2).indgen(3, 2).diagonal { |a,b| a + b }
end
def test_convolve
f = M[ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ]
s = S[ 1, 2, 3 ]
assert_equal M[ [ 5, 6, 0 ], [ 8, 9, 0 ], [ 0, 0, 0 ] ],
M[ [ 1, 0, 0 ], [ 0, 0, 0 ], [ 0, 0, 0 ] ].convolve( f )
assert_equal M[ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ],
M[ [ 0, 0, 0 ], [ 0, 1, 0 ], [ 0, 0, 0 ] ].convolve( f )
assert_equal M[ [ 0, 0, 0 ], [ 1, 2, 3 ], [ 4, 5, 6 ] ],
M[ [ 0, 0, 0 ], [ 0, 0, 0 ], [ 0, 1, 0 ] ].convolve( f )
assert_equal M[ [ 0, 0, 0 ], [ 0, 0, 0 ], [ 1, 2, 3 ], [ 0, 0, 0 ], [ 0, 0, 0 ] ],
M[ [ 0, 0, 0, 0, 0 ], [ 0, 0, 1, 0, 0 ], [ 0, 0, 0, 0, 0 ] ].
convolve( s )
assert_raise(RuntimeError) { S[ 1, 2, 3 ].convolve f }
end
def test_erode
assert_equal [ [ 0, 0, 0 ], [ 0, -1, -1 ], [ 0, -1, -1 ] ],
M[ [ 1, 0, 0 ], [ 0, 0, 0 ], [ 0, 0, -1 ] ].erode.to_a
end
def test_dilate
assert_equal [ [ 1, 1, 0 ], [ 1, 1, 0 ], [ 0, 0, 0 ] ],
M[ [ 1, 0, 0 ], [ 0, 0, 0 ], [ 0, 0, -1 ] ].dilate.to_a
end
def test_sobel
m = M[ [ 0, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 0, 0 ] ]
assert_equal [ [ 1, 0, -1, 0 ], [ 2, 0, -2, 0 ], [ 1, 0, -1, 0 ] ],
m.sobel( 0 ).to_a
assert_equal [ [ 1, 2, 1, 0 ], [ 0, 0, 0, 0 ], [ -1, -2, -1, 0 ] ],
m.sobel( 1 ).to_a
end
def test_histogram
assert_equal [ 0, 1, 1, 2, 0 ],
M[ [ 1, 2 ], [ 3, 3 ] ].histogram( 5, :weight => 1 ).to_a
assert_equal [ [ 1, 0 ], [ 1, 1 ] ],
M[ [ 0, 0 ], [ 0, 1 ], [ 1, 1 ] ].
histogram( 2, 2, :weight => 1 ).to_a
assert_equal [ [ 1, 0 ], [ 1, 1 ] ],
[ S[ 0, 0, 1 ], S[ 0, 1, 1 ] ].
histogram( 2, 2, :weight => 1 ).to_a
assert_equal [ [ [ 0, 1 ], [ 1, 0 ] ] ],
S[ C( 1, 0, 0 ), C( 0, 1, 0 ) ].
histogram( 2, 2, 1, :weight => 1 ).to_a
assert_raise(RuntimeError) { S[ 1, 2, 3 ].histogram 4, 4 }
assert_raise(RuntimeError) { M[ [ -1, 0 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { M[ [ 0, -1 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { M[ [ 3, 0 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { M[ [ 0, 2 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { [ S[ -1, 0 ], S[ 0, 1 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { [ S[ 0, 3 ], S[ 0, 1 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { [ S[ 0, 0, 1 ], S[ 0, 1 ] ].histogram 3, 2 }
assert_raise(RuntimeError) { [ S[ 0, 1 ], S[ 0, 1 ] ].histogram 3 }
end
def test_lut
assert_equal M[ [ 1, 2 ], [ 3, 1 ] ],
M[ [ 0, 1 ], [ 2, 0 ] ].lut( S[ 1, 2, 3, 4 ] )
assert_equal M[ 1, 3, 4 ],
M[ [ 0, 0 ], [ 0, 1 ], [ 1, 1 ] ].lut( M[ [ 1, 2 ], [ 3, 4 ] ] )
assert_equal M[ 1, 3, 4 ],
[ S[ 0, 0, 1 ], S[ 0, 1, 1 ] ].lut( M[ [ 1, 2 ], [ 3, 4 ] ] )
assert_equal M[ [ 3, 4 ], [ 1, 2 ] ],
M[ [ 1 ], [ 0 ] ].lut( M[ [ 1, 2 ], [ 3, 4 ] ] )
assert_equal S[ 2, 3 ], S[ C( 1, 0, 0 ), C( 0, 1, 0 ) ].
lut( M[ [ [ 1, 2 ], [ 3, 4 ] ] ] )
assert_raise(RuntimeError) { S[ 0, 1, 2 ].lut M[ [ 1, 2 ], [ 3, 4 ] ] }
assert_raise(RuntimeError) { M[ [ -1, 0 ] ].lut M[ [ 1, 2 ] ] }
assert_raise(RuntimeError) { M[ [ 0, -1 ] ].lut M[ [ 1, 2 ] ] }
assert_raise(RuntimeError) { M[ [ 2, 0 ] ].lut M[ [ 1, 2 ] ] }
assert_raise(RuntimeError) { M[ [ 0, 1 ] ].lut M[ [ 1, 2 ] ] }
assert_raise(RuntimeError) { M[ [ 1 ], [ 2 ] ].lut M[ [ 1, 2 ], [ 3, 4 ] ] }
assert_raise(RuntimeError) { [ S[ -1, 0 ], S[ 0, 1 ] ].
lut M[ [ 1, 2 ], [ 3, 4 ] ] }
assert_raise(RuntimeError) { [ S[ 0, 0 ], S[ 0, 2 ] ].
lut M[ [ 1, 2 ], [ 3, 4 ] ] }
assert_raise(RuntimeError) { [ S[ 0, 0, 1 ], S[ 0, 1 ] ].
lut M[ [ 1, 2 ], [ 3, 4 ] ] }
assert_raise(RuntimeError) { [ S[ 0, 1 ], S[ 0, 1 ] ].lut S[ 1, 2 ] }
end
def test_warp
[O, I].each do |t1|
[O, I].each do |t2|
z = t1.default
assert_equal M(t1, 2)[ [ 1, 2, z ], [ 3, 4, z ], [ z, z, z ] ],
M(t1, 2)[ [ 1, 2 ], [ 3, 4 ] ].
warp( M(t2, 2)[ [ 0, 1, 2 ], [ 0, 1, 2 ], [ 0, 1, 2 ] ],
M(t2, 2)[ [ 0, 0, 0 ], [ 1, 1, 1 ], [ 2, 2, 2 ] ] )
end
end
end
def test_flip
[ O, I ].each do |t|
assert_equal M(t, 2)[ [ 3, 2, 1 ], [ 6, 5, 4 ] ],
M(t, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].flip( 0 )
assert_equal M(t, 2)[ [ 4, 5, 6 ], [ 1, 2, 3 ] ],
M(t, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].flip( 1 )
assert_equal M(t, 2)[ [ 6, 5, 4 ], [ 3, 2, 1 ] ],
M(t, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ].flip( 0, 1 )
end
end
def test_shift
[ O, I ].each do |t|
assert_equal M(t, 2)[ [ 4, 3 ], [ 2, 1 ] ],
M(t, 2)[ [ 1, 2 ], [ 3, 4 ] ].shift( 1, 1 )
end
end
def test_downsample
[ O, I ].each do |t|
assert_equal M(t, 2)[ [ 2 ], [ 6 ] ],
M(t, 2)[ [ 1, 2, 3 ], [ 5, 6, 7 ] ].downsample( 2, 1 )
assert_equal M(t, 2)[ [ 1, 3 ], [ 5, 7 ] ],
M(t, 2)[ [ 1, 2, 3 ], [ 5, 6, 7 ] ].
downsample( 2, 1, :offset => [ 0, 0 ] )
end
end
def test_zero
assert_equal M[ [ false, true ], [ true, false ] ],
M[ [ -1, 0 ], [ 0, 1 ] ].zero?
end
def test_nonzero
assert_equal M[ [ true, false ], [ false, true ] ],
M[ [ -1, 0 ], [ 0, 1 ] ].nonzero?
end
def test_not
assert_equal [ [ true, false ], [ false, true ] ],
M[ [ false, true ], [ true, false ] ].not.to_a
assert_equal [ [ true, false ], [ false, true ] ],
M[ [ 0, 1 ], [ 2, 0 ] ].not.to_a
end
def test_and
assert_equal [ [ false, false ] ], M[ [ false, true ] ].and( false ).to_a
assert_equal [ [ false, false ] ], false.and( M[ [ false, true ] ] ).to_a
assert_equal [ [ false, true ] ], M[ [ false, true ] ].and( true ).to_a
assert_equal [ [ false, true ] ], true.and( M[ [ false, true ] ] ).to_a
assert_equal [ [ false, false ], [ false, true ] ],
M[ [ false, true ], [ false, true ] ].
and( M[ [ false, false ], [ true, true ] ] ).to_a
assert_equal [ [ false, false ], [ true, false ] ],
M[ [ false, true ], [ true, false ] ].
and( S[ false, true ] ).to_a
end
def test_or
assert_equal [ [ false, true ] ], M[ [ false, true ] ].or( false ).to_a
assert_equal [ [ false, true ] ], false.or( M[ [ false, true ] ] ).to_a
assert_equal [ [ true, true ] ], M[ [ false, true ] ].or( true ).to_a
assert_equal [ [ true, true ] ], true.or( M[ [ false, true ] ] ).to_a
assert_equal [ [ false, true ], [ true, true ] ],
M[ [ false, true ], [ false, true ] ].
or( M[ [ false, false ], [ true, true ] ] ).to_a
assert_equal [ [ false, true ], [ true, true ] ],
M[ [ false, true ], [ true, false ] ].
or( S[ false, true ] ).to_a
end
def test_bitwise_not
assert_equal [ [ 255, 254 ], [ 253, 252 ] ],
( ~M[ [ 0, 1 ], [ 2, 3 ] ] ).to_a
assert_equal [ [ 0, -1 ], [ -2, -3 ] ],
( ~M[ [ -1, 0 ], [ 1, 2 ] ] ).to_a
end
def test_bitwise_and
assert_equal [ [ 0, 1 ], [ 0, 1 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] & 1 ).to_a
assert_equal [ [ 0, 1 ], [ 0, 1 ] ], ( 1 & M[ [ 0, 1 ], [ 2, 3 ] ] ).to_a
assert_equal [ [ 0, 1 ], [ 0, 2 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] &
M[ [ 4, 3 ], [ 1, 2 ] ] ).to_a
end
def test_bitwise_or
assert_equal [ [ 1, 1 ], [ 3, 3 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] | 1 ).to_a
assert_equal [ [ 1, 1 ], [ 3, 3 ] ], ( 1 | M[ [ 0, 1 ], [ 2, 3 ] ] ).to_a
assert_equal [ [ 4, 3 ], [ 3, 3 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] |
M[ [ 4, 3 ], [ 1, 2 ] ] ).to_a
end
def test_bitwise_xor
assert_equal [ [ 1, 0 ], [ 3, 2 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] ^ 1 ).to_a
assert_equal [ [ 1, 0 ], [ 3, 2 ] ], ( 1 ^ M[ [ 0, 1 ], [ 2, 3 ] ] ).to_a
assert_equal [ [ 4, 2 ], [ 3, 1 ] ], ( M[ [ 0, 1 ], [ 2, 3 ] ] ^
M[ [ 4, 3 ], [ 1, 2 ] ] ).to_a
end
def test_shl
assert_equal [ [ 2, 4 ], [ 6, 8 ] ], ( M[ [ 1, 2 ], [ 3, 4 ] ] << 1 ).to_a
assert_equal [ [ 6, 12 ], [ 24, 48 ] ],
( 3 << M[ [ 1, 2 ], [ 3, 4 ] ] ).to_a
assert_equal [ [ 8, 8 ], [ 6, 4 ] ],
( M[ [ 1, 2 ], [ 3, 4 ] ] << M[ [ 3, 2 ], [ 1, 0 ] ] ).to_a
end
def test_shr
assert_equal [ [ 1, 2 ], [ 3, 4 ] ], ( M[ [ 2, 4 ], [ 6, 8 ] ] >> 1 ).to_a
assert_equal [ [ 24, 12 ], [ 6, 3 ] ],
( 48 >> M[ [ 1, 2 ], [ 3, 4 ] ] ).to_a
assert_equal [ [ 2, 1 ], [ 3, 2 ] ],
( M[ [ 16, 4 ], [ 6, 2 ] ] >> M[ [ 3, 2 ], [ 1, 0 ] ] ).to_a
end
def test_negate
assert_equal M[ [ -1, 2, -3 ], [ 4, -5, 6 ] ],
-M[ [ 1, -2, 3 ], [ -4, 5, -6 ] ]
end
def test_plus
assert_equal M[ [ 2, 3, 5 ], [ 3, 5, 7 ] ],
M[ [ 1, 2, 4 ], [ 2, 4, 6 ] ] + 1
assert_equal M[ [ 2, 3, 5 ], [ 3, 5, 7 ] ],
1 + M[ [ 1, 2, 4 ], [ 2, 4, 6 ] ]
assert_equal M[ [ -1, 2, 3 ], [ 4, 5, 6 ] ],
M[ [ -3, 2, 1 ], [ 8, 6, 4 ] ] +
M[ [ 2, 0, 2 ], [ -4, -1, 2 ] ]
assert_equal M[ [ 2, 3, 4 ], [ 6, 7, 8 ] ],
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ] + S[ 1, 2 ]
assert_equal M[ [ 2, 3, 4 ], [ 6, 7, 8 ] ],
S[ 1, 2 ] + M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
assert_raise(RuntimeError) do
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ] + M[ [ 1, 2 ], [ 3, 4 ] ]
end
assert_raise(RuntimeError) do
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ] + M[ [ 1, 2, 3 ] ]
end
assert_raise(RuntimeError) do
M[ [ 1, 2 ], [ 3, 4 ] ] + M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
end
assert_raise(RuntimeError) do
M[ [ 1, 2, 3 ] ] + M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
end
assert_raise(RuntimeError) do
M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ] + S[ 1, 2, 3 ]
end
assert_raise(RuntimeError) do
S[ 1, 2, 3 ] + M[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
end
end
def test_major
assert_equal M[ [ 4, 2 ], [ 3, 4 ] ],
M[ [ 1, 2 ], [ 3, 4 ] ].major( M[ [ 4, 1 ], [ 3, 2 ] ] )
end
def test_minor
assert_equal M[ [ 1, 1 ], [ 3, 2 ] ],
M[ [ 1, 2 ], [ 3, 4 ] ].minor( M[ [ 4, 1 ], [ 3, 2 ] ] )
end
def test_cond
assert_equal M[ [ -1, 2 ], [ 3, -4 ] ],
M[ [ false, true ], [ true, false ] ].
conditional( M[ [ 1, 2 ], [ 3, 4 ] ],
M[ [ -1, -2 ], [ -3, -4 ] ] )
assert_equal M[ [ -1, -2 ], [ 3, 4 ] ],
S[ false, true ].
conditional( M[ [ 1, 2 ], [ 3, 4 ] ],
M[ [ -1, -2 ], [ -3, -4 ] ] )
assert_equal M[ [ -1, -1 ], [ 3, 4 ] ],
S[ false, true ].
conditional( M[ [ 1, 2 ], [ 3, 4 ] ], -1 )
assert_equal M[ [ -1, -1 ], [ 3, 4 ] ],
S[ false, true ].
conditional( M[ [ 1, 2 ], [ 3, 4 ] ], S[ -1, -2 ] )
end
def test_cmp
assert_equal M[ [ -1, -1 ], [ 0, 1 ] ], M[ [ 1, 2 ], [ 3, 4 ] ] <=> 3
assert_equal M[ [ 1, 1 ], [ 0, -1 ] ], 3 <=> M[ [ 1, 2 ], [ 3, 4 ] ]
end
def test_fill
m = M(I, 2)[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]
assert_equal M(I, 2)[ [ 1, 1, 1 ], [ 1, 1, 1 ] ], m.fill!( 1 )
assert_equal M(I, 2)[ [ 1, 1, 1 ], [ 1, 1, 1 ] ], m
end
def test_to_type
assert_equal M(C, 2)[ [ 1, 2 ], [ 3, 4 ] ],
M(I, 2)[ [ 1, 2 ], [ 3, 4 ] ].to_intrgb
end
def test_reshape
[O, I].each do |t|
assert_equal M(t, 2)[[1, 2, 3], [4, 5, 6]],
S(t)[1, 2, 3, 4, 5, 6].reshape(3, 2)
assert_equal S(t)[1, 2, 3, 4, 5, 6],
M(t, 2)[[1, 2, 3], [4, 5, 6]].reshape(6)
assert_equal M(t, 2)[[1, 2], [3, 4], [5, 6]],
M(t, 2)[[1, 2, 3], [4, 5, 6]].reshape(2, 3)
assert_raise(RuntimeError) { M(t, 2)[[1, 2], [3, 4]].reshape 3 }
end
end
def test_integral
assert_equal M(O, 2)[[1, 3, 6], [5, 12, 21]],
M(O, 2)[[1, 2, 3], [4, 5, 6]].integral
assert_equal M(I, 2)[[1, 3, 6], [5, 12, 21]],
M(I, 2)[[1, 2, 3], [4, 5, 6]].integral
end
def test_components
assert_equal [ [ 1, 0, 2 ], [ 0, 0, 2 ], [ 2, 2, 2 ] ],
M[ [ 1, 0, 1 ], [ 0, 0, 1 ], [ 1, 1, 1 ] ].components.to_a
end
def test_mask
[O, I].each do |t|
assert_equal M(t, 2)[[1, 2], [5, 7]],
M(t, 2)[[1, 2], [3, 4], [5, 7]].
mask(S[true, false, true])
assert_equal S(t)[2, 5, 7], M(t, 2)[[1, 2, 3], [4, 5, 7]].
mask( M[[false, true, false], [false, true, true]])
assert_raise(RuntimeError) do
M(t, 2)[[1, 2], [3, 4], [5, 7]].mask S[false, true]
end
end
end
def test_unmask
[ O, I ].each do |t|
assert_equal M(t, 2)[[1, 2], [4, 4], [5, 7]],
M(t, 2)[[1, 2], [5, 7]].
unmask( S[true, false, true], :default => S[3, 4, 5] )
assert_equal M(t, 2)[[0, 2, 0], [0, 5, 7]],
S(t)[2, 5, 7].
unmask( M[[false, true, false], [false, true, true]],
:default => 0 )
assert_raise(RuntimeError) { S(t)[1].unmask M[[true, true]] }
end
end
end