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require 'test_helper'
class VectorTest < GSL::TestCase
def test_get
v = GSL::Vector::Int.indgen(5)
assert_equal GSL::Vector::Int[3, 1, 2], v.get([3, 1, 2])
end
def test_addsub
a = GSL::Vector::Int[2, 5, 4]
b = GSL::Vector::Int[10, 30, 20]
c = GSL::Vector::Int[12, 35, 24]
d = GSL::Vector::Int[8, 25, 16]
assert_equal c, a + b
assert_equal d, b - a
end
def test_collect
v = GSL::Vector::Int.indgen(5)
u = GSL::Vector::Int[0, 1, 4, 9, 16]
assert_equal u, v.collect { |val| val * val }
end
def test_ispos_neg
v = GSL::Vector::Int.indgen(5)
assert_equal 0, v.ispos
assert_equal false, v.ispos?
assert_equal 0, v.isneg
assert_equal false, v.isneg?
v += 1
assert_equal 1, v.ispos
assert_equal true, v.ispos?
assert_equal 0, v.isneg
assert_equal false, v.isneg?
v -= 100
assert_equal 0, v.ispos
assert_equal false, v.ispos?
assert_equal 1, v.isneg
assert_equal true, v.isneg?
end
def test_isnonneg
v = GSL::Vector::Int.indgen(5)
assert_equal 1, v.isnonneg
assert_equal true, v.isnonneg?
assert_equal 0, v.isneg
assert_equal false, v.isneg?
v -= 100
assert_equal 0, v.isnonneg
assert_equal false, v.isnonneg?
assert_equal 1, v.isneg
assert_equal true, v.isneg?
v += 200
assert_equal 1, v.isnonneg
assert_equal true, v.isnonneg?
assert_equal 1, v.ispos
assert_equal true, v.ispos?
end
def test_subvector
v = GSL::Vector::Int.indgen(12)
vv = v.subvector
assert_not_equal v.object_id, vv.object_id
assert_equal v.subvector, v
vv = v.subvector(3)
assert_equal [0, 1, 2], vv.to_a
assert_nothing_raised('subvector(-1)') { v.subvector(-1) }
vv = v.subvector(-1)
assert_equal [11], vv.to_a
vv = v.subvector(-2)
assert_equal [10, 11], vv.to_a
assert_raises(RangeError) { v.subvector(-13) }
vv = v.subvector(2, 3)
assert_equal [2, 3, 4], vv.to_a
vv = v.subvector(-4, 3)
assert_equal [8, 9, 10], vv.to_a
assert_nothing_raised('subvector(-4, -3)') { v.subvector(-4, -3) }
vv = v.subvector(-4, -3)
assert_equal [8, 7, 6], vv.to_a
assert_raises(GSL::ERROR::EINVAL) { v.subvector(-11, -3) }
vv = v.subvector(1, 3, 4)
assert_equal [1, 4, 7, 10], vv.to_a
{
# ( range ) => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
( 1.. 3) => [ 1, 2, 3 ],
( 1... 3) => [ 1, 2 ],
( 3.. 1) => [ 3, 2, 1 ],
( 3... 1) => [ 3, 2 ],
(-7.. 9) => [ 5, 6, 7, 8, 9 ],
(-7... 9) => [ 5, 6, 7, 8 ],
( 4.. -3) => [ 4, 5, 6, 7, 8, 9 ],
( 4...-3) => [ 4, 5, 6, 7, 8 ],
( 2.. -2) => [ 2, 3, 4, 5, 6, 7, 8, 9, 10 ],
( 2...-2) => [ 2, 3, 4, 5, 6, 7, 8, 9 ],
(-2.. 2) => [ 10, 9, 8, 7, 6, 5, 4, 3, 2 ],
(-2... 2) => [ 10, 9, 8, 7, 6, 5, 4, 3 ],
(-3.. -1) => [ 9, 10, 11],
(-3...-1) => [ 9, 10 ],
(-1.. -3) => [ 11, 10, 9],
(-1...-3) => [ 11, 10 ]
}.each { |r, x|
assert_nothing_raised("subvector(#{r})") { v.subvector(r) }
assert_equal x, v.subvector(r).to_a, "subvector(#{r})"
}
{
# [( range ), s] => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
[( 1.. 6), 2] => [ 1, 3, 5 ],
[( 1... 6), 2] => [ 1, 3, 5 ],
[( 0.. 6), 3] => [0, 3, 6 ],
[( 0... 6), 3] => [0, 3 ]
}.each { |(r, s), x|
assert_nothing_raised("subvector(#{r},#{s})") { v.subvector(r) }
assert_equal x, v.subvector(r,s).to_a, "subvector(#{r},#{s})"
}
end
def test_complex_get
v = GSL::Vector::Complex.indgen(5)
assert_equal GSL::Vector::Complex[[3, 0], [1, 0], [2, 0]], v.get([3, 1, 2])
end
def test_complex_addsub
a = GSL::Vector::Complex[[-2, 5], [ 4, -1]]
b = GSL::Vector::Complex[[10, 30], [20, 40]]
c = GSL::Vector::Complex[[ 8, 35], [24, 39]]
d = GSL::Vector::Complex[[12, 25], [16, 41]]
assert_equal c, a + b
assert_equal d, b - a
end
def test_complex_collect
v = GSL::Vector::Complex.indgen(5)
u = GSL::Vector::Complex[[0, 0], [1, 0], [4, 0], [9, 0], [16, 0]]
assert_equal u, v.collect { |val| val * val }
end
def test_complex_subvector
v = GSL::Vector::Complex.indgen(12)
vv = v.subvector
assert_not_equal v.object_id, vv.object_id
assert_equal v.subvector, v
vv = v.subvector(3)
assert_equal [0, 0, 1, 0, 2, 0], vv.to_a
assert_nothing_raised('subvector(-1)') { v.subvector(-1) }
vv = v.subvector(-1)
assert_equal [11, 0], vv.to_a
vv = v.subvector(-2)
assert_equal [10, 0, 11, 0], vv.to_a
assert_raises(RangeError) { v.subvector(-13) }
vv = v.subvector(2, 3)
assert_equal [2, 0, 3, 0, 4, 0], vv.to_a
vv = v.subvector(-4, 3)
assert_equal [8, 0, 9, 0, 10, 0], vv.to_a
assert_nothing_raised('subvector(-4, -3)') { v.subvector(-4, -3) }
vv = v.subvector(-4, -3)
assert_equal [8, 0, 7, 0, 6, 0], vv.to_a
assert_raises(GSL::ERROR::EINVAL) { v.subvector(-11, -3) }
vv = v.subvector(1, 3, 4)
assert_equal [1, 0, 4, 0, 7, 0, 10, 0], vv.to_a
{
# ( range ) => [0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0]
( 1.. 3) => [ 1, 0, 2, 0, 3, 0 ],
( 1... 3) => [ 1, 0, 2, 0, ],
( 3.. 1) => [ 3, 0, 2, 0, 1, 0 ],
( 3... 1) => [ 3, 0, 2, 0 ],
(-7.. 9) => [ 5, 0, 6, 0, 7, 0, 8, 0, 9, 0 ],
(-7... 9) => [ 5, 0, 6, 0, 7, 0, 8, 0 ],
( 4.. -3) => [ 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0 ],
( 4...-3) => [ 4, 0, 5, 0, 6, 0, 7, 0, 8, 0 ],
( 2.. -2) => [ 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0 ],
( 2...-2) => [ 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0 ],
(-2.. 2) => [ 10, 0, 9, 0, 8, 0, 7, 0, 6, 0, 5, 0, 4, 0, 3, 0, 2, 0 ],
(-2... 2) => [ 10, 0, 9, 0, 8, 0, 7, 0, 6, 0, 5, 0, 4, 0, 3, 0 ],
(-3.. -1) => [ 9, 0, 10, 0, 11, 0],
(-3...-1) => [ 9, 0, 10, 0 ],
(-1.. -3) => [ 11, 0, 10, 0, 9, 0],
(-1...-3) => [ 11, 0, 10, 0 ]
}.each { |r, x|
assert_nothing_raised("subvector(#{r})") { v.subvector(r) }
assert_equal x, v.subvector(r).to_a, "subvector(#{r})"
}
{
# [( range ), s] => [0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0]
[( 1.. 6), 2] => [ 1, 0, 3, 0, 5, 0 ],
[( 1... 6), 2] => [ 1, 0, 3, 0, 5, 0 ],
[( 0.. 6), 3] => [0, 0, 3, 0, 6, 0 ],
[( 0... 6), 3] => [0, 0, 3, 0 ]
}.each { |(r, s), x|
assert_nothing_raised("subvector(#{r},#{s})") { v.subvector(r) }
assert_equal x, v.subvector(r,s).to_a, "subvector(#{r},#{s})"
}
end
end
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