mirror of
https://github.com/pybind/pybind11.git
synced 2024-11-11 08:03:55 +00:00
627 lines
24 KiB
Python
627 lines
24 KiB
Python
import pytest
|
|
|
|
pytestmark = pytest.requires_eigen_and_numpy
|
|
|
|
with pytest.suppress(ImportError):
|
|
import numpy as np
|
|
|
|
ref = np.array([[ 0., 3, 0, 0, 0, 11],
|
|
[22, 0, 0, 0, 17, 11],
|
|
[ 7, 5, 0, 1, 0, 11],
|
|
[ 0, 0, 0, 0, 0, 11],
|
|
[ 0, 0, 14, 0, 8, 11]])
|
|
|
|
|
|
def assert_equal_ref(mat):
|
|
np.testing.assert_array_equal(mat, ref)
|
|
|
|
|
|
def assert_sparse_equal_ref(sparse_mat):
|
|
assert_equal_ref(sparse_mat.todense())
|
|
|
|
|
|
def test_fixed():
|
|
from pybind11_tests import fixed_r, fixed_c, fixed_copy_r, fixed_copy_c
|
|
|
|
assert_equal_ref(fixed_c())
|
|
assert_equal_ref(fixed_r())
|
|
assert_equal_ref(fixed_copy_r(fixed_r()))
|
|
assert_equal_ref(fixed_copy_c(fixed_c()))
|
|
assert_equal_ref(fixed_copy_r(fixed_c()))
|
|
assert_equal_ref(fixed_copy_c(fixed_r()))
|
|
|
|
|
|
def test_dense():
|
|
from pybind11_tests import dense_r, dense_c, dense_copy_r, dense_copy_c
|
|
|
|
assert_equal_ref(dense_r())
|
|
assert_equal_ref(dense_c())
|
|
assert_equal_ref(dense_copy_r(dense_r()))
|
|
assert_equal_ref(dense_copy_c(dense_c()))
|
|
assert_equal_ref(dense_copy_r(dense_c()))
|
|
assert_equal_ref(dense_copy_c(dense_r()))
|
|
|
|
|
|
def test_partially_fixed():
|
|
from pybind11_tests import (partial_copy_four_rm_r, partial_copy_four_rm_c,
|
|
partial_copy_four_cm_r, partial_copy_four_cm_c)
|
|
|
|
ref2 = np.array([[0., 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11], [12, 13, 14, 15]])
|
|
np.testing.assert_array_equal(partial_copy_four_rm_r(ref2), ref2)
|
|
np.testing.assert_array_equal(partial_copy_four_rm_c(ref2), ref2)
|
|
np.testing.assert_array_equal(partial_copy_four_rm_r(ref2[:, 1]), ref2[:, [1]])
|
|
np.testing.assert_array_equal(partial_copy_four_rm_c(ref2[0, :]), ref2[[0], :])
|
|
np.testing.assert_array_equal(partial_copy_four_rm_r(ref2[:, (0, 2)]), ref2[:, (0, 2)])
|
|
np.testing.assert_array_equal(
|
|
partial_copy_four_rm_c(ref2[(3, 1, 2), :]), ref2[(3, 1, 2), :])
|
|
|
|
np.testing.assert_array_equal(partial_copy_four_cm_r(ref2), ref2)
|
|
np.testing.assert_array_equal(partial_copy_four_cm_c(ref2), ref2)
|
|
np.testing.assert_array_equal(partial_copy_four_cm_r(ref2[:, 1]), ref2[:, [1]])
|
|
np.testing.assert_array_equal(partial_copy_four_cm_c(ref2[0, :]), ref2[[0], :])
|
|
np.testing.assert_array_equal(partial_copy_four_cm_r(ref2[:, (0, 2)]), ref2[:, (0, 2)])
|
|
np.testing.assert_array_equal(
|
|
partial_copy_four_cm_c(ref2[(3, 1, 2), :]), ref2[(3, 1, 2), :])
|
|
|
|
|
|
def test_mutator_descriptors():
|
|
from pybind11_tests import fixed_mutator_r, fixed_mutator_c, fixed_mutator_a
|
|
zr = np.arange(30, dtype='float32').reshape(5, 6) # row-major
|
|
zc = zr.reshape(6, 5).transpose() # column-major
|
|
|
|
fixed_mutator_r(zr)
|
|
fixed_mutator_c(zc)
|
|
fixed_mutator_a(zr)
|
|
fixed_mutator_a(zc)
|
|
with pytest.raises(TypeError) as excinfo:
|
|
fixed_mutator_r(zc)
|
|
assert ('(numpy.ndarray[float32[5, 6], flags.writeable, flags.c_contiguous]) -> arg0: None'
|
|
in str(excinfo.value))
|
|
with pytest.raises(TypeError) as excinfo:
|
|
fixed_mutator_c(zr)
|
|
assert ('(numpy.ndarray[float32[5, 6], flags.writeable, flags.f_contiguous]) -> arg0: None'
|
|
in str(excinfo.value))
|
|
with pytest.raises(TypeError) as excinfo:
|
|
fixed_mutator_a(np.array([[1, 2], [3, 4]], dtype='float32'))
|
|
assert ('(numpy.ndarray[float32[5, 6], flags.writeable]) -> arg0: None'
|
|
in str(excinfo.value))
|
|
zr.flags.writeable = False
|
|
with pytest.raises(TypeError):
|
|
fixed_mutator_r(zr)
|
|
with pytest.raises(TypeError):
|
|
fixed_mutator_a(zr)
|
|
|
|
|
|
def test_cpp_casting():
|
|
from pybind11_tests import (cpp_copy, cpp_ref_c, cpp_ref_r, cpp_ref_any,
|
|
fixed_r, fixed_c, get_cm_ref, get_rm_ref, ReturnTester)
|
|
assert cpp_copy(fixed_r()) == 22.
|
|
assert cpp_copy(fixed_c()) == 22.
|
|
z = np.array([[5., 6], [7, 8]])
|
|
assert cpp_copy(z) == 7.
|
|
assert cpp_copy(get_cm_ref()) == 21.
|
|
assert cpp_copy(get_rm_ref()) == 21.
|
|
assert cpp_ref_c(get_cm_ref()) == 21.
|
|
assert cpp_ref_r(get_rm_ref()) == 21.
|
|
with pytest.raises(RuntimeError) as excinfo:
|
|
# Can't reference fixed_c: it contains floats, cpp_ref_any wants doubles
|
|
cpp_ref_any(fixed_c())
|
|
assert 'Unable to cast Python instance' in str(excinfo.value)
|
|
with pytest.raises(RuntimeError) as excinfo:
|
|
# Can't reference fixed_r: it contains floats, cpp_ref_any wants doubles
|
|
cpp_ref_any(fixed_r())
|
|
assert 'Unable to cast Python instance' in str(excinfo.value)
|
|
assert cpp_ref_any(ReturnTester.create()) == 1.
|
|
|
|
assert cpp_ref_any(get_cm_ref()) == 21.
|
|
assert cpp_ref_any(get_cm_ref()) == 21.
|
|
|
|
|
|
def test_pass_readonly_array():
|
|
from pybind11_tests import fixed_copy_r, fixed_r, fixed_r_const
|
|
z = np.full((5, 6), 42.0)
|
|
z.flags.writeable = False
|
|
np.testing.assert_array_equal(z, fixed_copy_r(z))
|
|
np.testing.assert_array_equal(fixed_r_const(), fixed_r())
|
|
assert not fixed_r_const().flags.writeable
|
|
np.testing.assert_array_equal(fixed_copy_r(fixed_r_const()), fixed_r_const())
|
|
|
|
|
|
def test_nonunit_stride_from_python():
|
|
from pybind11_tests import (
|
|
double_row, double_col, double_complex, double_mat_cm, double_mat_rm,
|
|
double_threec, double_threer)
|
|
|
|
counting_mat = np.arange(9.0, dtype=np.float32).reshape((3, 3))
|
|
second_row = counting_mat[1, :]
|
|
second_col = counting_mat[:, 1]
|
|
np.testing.assert_array_equal(double_row(second_row), 2.0 * second_row)
|
|
np.testing.assert_array_equal(double_col(second_row), 2.0 * second_row)
|
|
np.testing.assert_array_equal(double_complex(second_row), 2.0 * second_row)
|
|
np.testing.assert_array_equal(double_row(second_col), 2.0 * second_col)
|
|
np.testing.assert_array_equal(double_col(second_col), 2.0 * second_col)
|
|
np.testing.assert_array_equal(double_complex(second_col), 2.0 * second_col)
|
|
|
|
counting_3d = np.arange(27.0, dtype=np.float32).reshape((3, 3, 3))
|
|
slices = [counting_3d[0, :, :], counting_3d[:, 0, :], counting_3d[:, :, 0]]
|
|
for slice_idx, ref_mat in enumerate(slices):
|
|
np.testing.assert_array_equal(double_mat_cm(ref_mat), 2.0 * ref_mat)
|
|
np.testing.assert_array_equal(double_mat_rm(ref_mat), 2.0 * ref_mat)
|
|
|
|
# Mutator:
|
|
double_threer(second_row)
|
|
double_threec(second_col)
|
|
np.testing.assert_array_equal(counting_mat, [[0., 2, 2], [6, 16, 10], [6, 14, 8]])
|
|
|
|
|
|
def test_nonunit_stride_to_python():
|
|
from pybind11_tests import diagonal, diagonal_1, diagonal_n, block
|
|
|
|
assert np.all(diagonal(ref) == ref.diagonal())
|
|
assert np.all(diagonal_1(ref) == ref.diagonal(1))
|
|
for i in range(-5, 7):
|
|
assert np.all(diagonal_n(ref, i) == ref.diagonal(i)), "diagonal_n({})".format(i)
|
|
|
|
assert np.all(block(ref, 2, 1, 3, 3) == ref[2:5, 1:4])
|
|
assert np.all(block(ref, 1, 4, 4, 2) == ref[1:, 4:])
|
|
assert np.all(block(ref, 1, 4, 3, 2) == ref[1:4, 4:])
|
|
|
|
|
|
def test_eigen_ref_to_python():
|
|
from pybind11_tests import cholesky1, cholesky2, cholesky3, cholesky4
|
|
|
|
chols = [cholesky1, cholesky2, cholesky3, cholesky4]
|
|
for i, chol in enumerate(chols, start=1):
|
|
mymat = chol(np.array([[1., 2, 4], [2, 13, 23], [4, 23, 77]]))
|
|
assert np.all(mymat == np.array([[1, 0, 0], [2, 3, 0], [4, 5, 6]])), "cholesky{}".format(i)
|
|
|
|
|
|
def assign_both(a1, a2, r, c, v):
|
|
a1[r, c] = v
|
|
a2[r, c] = v
|
|
|
|
|
|
def array_copy_but_one(a, r, c, v):
|
|
z = np.array(a, copy=True)
|
|
z[r, c] = v
|
|
return z
|
|
|
|
|
|
def test_eigen_return_references():
|
|
"""Tests various ways of returning references and non-referencing copies"""
|
|
from pybind11_tests import ReturnTester
|
|
master = np.ones((10, 10))
|
|
a = ReturnTester()
|
|
a_get1 = a.get()
|
|
assert not a_get1.flags.owndata and a_get1.flags.writeable
|
|
assign_both(a_get1, master, 3, 3, 5)
|
|
a_get2 = a.get_ptr()
|
|
assert not a_get2.flags.owndata and a_get2.flags.writeable
|
|
assign_both(a_get1, master, 2, 3, 6)
|
|
|
|
a_view1 = a.view()
|
|
assert not a_view1.flags.owndata and not a_view1.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_view1[2, 3] = 4
|
|
a_view2 = a.view_ptr()
|
|
assert not a_view2.flags.owndata and not a_view2.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_view2[2, 3] = 4
|
|
|
|
a_copy1 = a.copy_get()
|
|
assert a_copy1.flags.owndata and a_copy1.flags.writeable
|
|
np.testing.assert_array_equal(a_copy1, master)
|
|
a_copy1[7, 7] = -44 # Shouldn't affect anything else
|
|
c1want = array_copy_but_one(master, 7, 7, -44)
|
|
a_copy2 = a.copy_view()
|
|
assert a_copy2.flags.owndata and a_copy2.flags.writeable
|
|
np.testing.assert_array_equal(a_copy2, master)
|
|
a_copy2[4, 4] = -22 # Shouldn't affect anything else
|
|
c2want = array_copy_but_one(master, 4, 4, -22)
|
|
|
|
a_ref1 = a.ref()
|
|
assert not a_ref1.flags.owndata and a_ref1.flags.writeable
|
|
assign_both(a_ref1, master, 1, 1, 15)
|
|
a_ref2 = a.ref_const()
|
|
assert not a_ref2.flags.owndata and not a_ref2.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_ref2[5, 5] = 33
|
|
a_ref3 = a.ref_safe()
|
|
assert not a_ref3.flags.owndata and a_ref3.flags.writeable
|
|
assign_both(a_ref3, master, 0, 7, 99)
|
|
a_ref4 = a.ref_const_safe()
|
|
assert not a_ref4.flags.owndata and not a_ref4.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_ref4[7, 0] = 987654321
|
|
|
|
a_copy3 = a.copy_ref()
|
|
assert a_copy3.flags.owndata and a_copy3.flags.writeable
|
|
np.testing.assert_array_equal(a_copy3, master)
|
|
a_copy3[8, 1] = 11
|
|
c3want = array_copy_but_one(master, 8, 1, 11)
|
|
a_copy4 = a.copy_ref_const()
|
|
assert a_copy4.flags.owndata and a_copy4.flags.writeable
|
|
np.testing.assert_array_equal(a_copy4, master)
|
|
a_copy4[8, 4] = 88
|
|
c4want = array_copy_but_one(master, 8, 4, 88)
|
|
|
|
a_block1 = a.block(3, 3, 2, 2)
|
|
assert not a_block1.flags.owndata and a_block1.flags.writeable
|
|
a_block1[0, 0] = 55
|
|
master[3, 3] = 55
|
|
a_block2 = a.block_safe(2, 2, 3, 2)
|
|
assert not a_block2.flags.owndata and a_block2.flags.writeable
|
|
a_block2[2, 1] = -123
|
|
master[4, 3] = -123
|
|
a_block3 = a.block_const(6, 7, 4, 3)
|
|
assert not a_block3.flags.owndata and not a_block3.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_block3[2, 2] = -44444
|
|
|
|
a_copy5 = a.copy_block(2, 2, 2, 3)
|
|
assert a_copy5.flags.owndata and a_copy5.flags.writeable
|
|
np.testing.assert_array_equal(a_copy5, master[2:4, 2:5])
|
|
a_copy5[1, 1] = 777
|
|
c5want = array_copy_but_one(master[2:4, 2:5], 1, 1, 777)
|
|
|
|
a_corn1 = a.corners()
|
|
assert not a_corn1.flags.owndata and a_corn1.flags.writeable
|
|
a_corn1 *= 50
|
|
a_corn1[1, 1] = 999
|
|
master[0, 0] = 50
|
|
master[0, 9] = 50
|
|
master[9, 0] = 50
|
|
master[9, 9] = 999
|
|
a_corn2 = a.corners_const()
|
|
assert not a_corn2.flags.owndata and not a_corn2.flags.writeable
|
|
with pytest.raises(ValueError):
|
|
a_corn2[1, 0] = 51
|
|
|
|
# All of the changes made all the way along should be visible everywhere
|
|
# now (except for the copies, of course)
|
|
np.testing.assert_array_equal(a_get1, master)
|
|
np.testing.assert_array_equal(a_get2, master)
|
|
np.testing.assert_array_equal(a_view1, master)
|
|
np.testing.assert_array_equal(a_view2, master)
|
|
np.testing.assert_array_equal(a_ref1, master)
|
|
np.testing.assert_array_equal(a_ref2, master)
|
|
np.testing.assert_array_equal(a_ref3, master)
|
|
np.testing.assert_array_equal(a_ref4, master)
|
|
np.testing.assert_array_equal(a_block1, master[3:5, 3:5])
|
|
np.testing.assert_array_equal(a_block2, master[2:5, 2:4])
|
|
np.testing.assert_array_equal(a_block3, master[6:10, 7:10])
|
|
np.testing.assert_array_equal(a_corn1, master[0::master.shape[0] - 1, 0::master.shape[1] - 1])
|
|
np.testing.assert_array_equal(a_corn2, master[0::master.shape[0] - 1, 0::master.shape[1] - 1])
|
|
|
|
np.testing.assert_array_equal(a_copy1, c1want)
|
|
np.testing.assert_array_equal(a_copy2, c2want)
|
|
np.testing.assert_array_equal(a_copy3, c3want)
|
|
np.testing.assert_array_equal(a_copy4, c4want)
|
|
np.testing.assert_array_equal(a_copy5, c5want)
|
|
|
|
|
|
def assert_keeps_alive(cl, method, *args):
|
|
from pybind11_tests import ConstructorStats
|
|
cstats = ConstructorStats.get(cl)
|
|
start_with = cstats.alive()
|
|
a = cl()
|
|
assert cstats.alive() == start_with + 1
|
|
z = method(a, *args)
|
|
assert cstats.alive() == start_with + 1
|
|
del a
|
|
# Here's the keep alive in action:
|
|
assert cstats.alive() == start_with + 1
|
|
del z
|
|
# Keep alive should have expired:
|
|
assert cstats.alive() == start_with
|
|
|
|
|
|
def test_eigen_keepalive():
|
|
from pybind11_tests import ReturnTester, ConstructorStats
|
|
a = ReturnTester()
|
|
|
|
cstats = ConstructorStats.get(ReturnTester)
|
|
assert cstats.alive() == 1
|
|
unsafe = [a.ref(), a.ref_const(), a.block(1, 2, 3, 4)]
|
|
copies = [a.copy_get(), a.copy_view(), a.copy_ref(), a.copy_ref_const(),
|
|
a.copy_block(4, 3, 2, 1)]
|
|
del a
|
|
assert cstats.alive() == 0
|
|
del unsafe
|
|
del copies
|
|
|
|
for meth in [ReturnTester.get, ReturnTester.get_ptr, ReturnTester.view,
|
|
ReturnTester.view_ptr, ReturnTester.ref_safe, ReturnTester.ref_const_safe,
|
|
ReturnTester.corners, ReturnTester.corners_const]:
|
|
assert_keeps_alive(ReturnTester, meth)
|
|
|
|
for meth in [ReturnTester.block_safe, ReturnTester.block_const]:
|
|
assert_keeps_alive(ReturnTester, meth, 4, 3, 2, 1)
|
|
|
|
|
|
def test_eigen_ref_mutators():
|
|
"""Tests whether Eigen can mutate numpy values"""
|
|
from pybind11_tests import add_rm, add_cm, add_any, add1, add2
|
|
orig = np.array([[1., 2, 3], [4, 5, 6], [7, 8, 9]])
|
|
zr = np.array(orig)
|
|
zc = np.array(orig, order='F')
|
|
add_rm(zr, 1, 0, 100)
|
|
assert np.all(zr == np.array([[1., 2, 3], [104, 5, 6], [7, 8, 9]]))
|
|
add_cm(zc, 1, 0, 200)
|
|
assert np.all(zc == np.array([[1., 2, 3], [204, 5, 6], [7, 8, 9]]))
|
|
|
|
add_any(zr, 1, 0, 20)
|
|
assert np.all(zr == np.array([[1., 2, 3], [124, 5, 6], [7, 8, 9]]))
|
|
add_any(zc, 1, 0, 10)
|
|
assert np.all(zc == np.array([[1., 2, 3], [214, 5, 6], [7, 8, 9]]))
|
|
|
|
# Can't reference a col-major array with a row-major Ref, and vice versa:
|
|
with pytest.raises(TypeError):
|
|
add_rm(zc, 1, 0, 1)
|
|
with pytest.raises(TypeError):
|
|
add_cm(zr, 1, 0, 1)
|
|
|
|
# Overloads:
|
|
add1(zr, 1, 0, -100)
|
|
add2(zr, 1, 0, -20)
|
|
assert np.all(zr == orig)
|
|
add1(zc, 1, 0, -200)
|
|
add2(zc, 1, 0, -10)
|
|
assert np.all(zc == orig)
|
|
|
|
# a non-contiguous slice (this won't work on either the row- or
|
|
# column-contiguous refs, but should work for the any)
|
|
cornersr = zr[0::2, 0::2]
|
|
cornersc = zc[0::2, 0::2]
|
|
|
|
assert np.all(cornersr == np.array([[1., 3], [7, 9]]))
|
|
assert np.all(cornersc == np.array([[1., 3], [7, 9]]))
|
|
|
|
with pytest.raises(TypeError):
|
|
add_rm(cornersr, 0, 1, 25)
|
|
with pytest.raises(TypeError):
|
|
add_cm(cornersr, 0, 1, 25)
|
|
with pytest.raises(TypeError):
|
|
add_rm(cornersc, 0, 1, 25)
|
|
with pytest.raises(TypeError):
|
|
add_cm(cornersc, 0, 1, 25)
|
|
add_any(cornersr, 0, 1, 25)
|
|
add_any(cornersc, 0, 1, 44)
|
|
assert np.all(zr == np.array([[1., 2, 28], [4, 5, 6], [7, 8, 9]]))
|
|
assert np.all(zc == np.array([[1., 2, 47], [4, 5, 6], [7, 8, 9]]))
|
|
|
|
# You shouldn't be allowed to pass a non-writeable array to a mutating Eigen method:
|
|
zro = zr[0:4, 0:4]
|
|
zro.flags.writeable = False
|
|
with pytest.raises(TypeError):
|
|
add_rm(zro, 0, 0, 0)
|
|
with pytest.raises(TypeError):
|
|
add_any(zro, 0, 0, 0)
|
|
with pytest.raises(TypeError):
|
|
add1(zro, 0, 0, 0)
|
|
with pytest.raises(TypeError):
|
|
add2(zro, 0, 0, 0)
|
|
|
|
# integer array shouldn't be passable to a double-matrix-accepting mutating func:
|
|
zi = np.array([[1, 2], [3, 4]])
|
|
with pytest.raises(TypeError):
|
|
add_rm(zi)
|
|
|
|
|
|
def test_numpy_ref_mutators():
|
|
"""Tests numpy mutating Eigen matrices (for returned Eigen::Ref<...>s)"""
|
|
from pybind11_tests import (
|
|
get_cm_ref, get_cm_const_ref, get_rm_ref, get_rm_const_ref, reset_refs)
|
|
reset_refs() # In case another test already changed it
|
|
|
|
zc = get_cm_ref()
|
|
zcro = get_cm_const_ref()
|
|
zr = get_rm_ref()
|
|
zrro = get_rm_const_ref()
|
|
|
|
assert [zc[1, 2], zcro[1, 2], zr[1, 2], zrro[1, 2]] == [23] * 4
|
|
|
|
assert not zc.flags.owndata and zc.flags.writeable
|
|
assert not zr.flags.owndata and zr.flags.writeable
|
|
assert not zcro.flags.owndata and not zcro.flags.writeable
|
|
assert not zrro.flags.owndata and not zrro.flags.writeable
|
|
|
|
zc[1, 2] = 99
|
|
expect = np.array([[11., 12, 13], [21, 22, 99], [31, 32, 33]])
|
|
# We should have just changed zc, of course, but also zcro and the original eigen matrix
|
|
assert np.all(zc == expect)
|
|
assert np.all(zcro == expect)
|
|
assert np.all(get_cm_ref() == expect)
|
|
|
|
zr[1, 2] = 99
|
|
assert np.all(zr == expect)
|
|
assert np.all(zrro == expect)
|
|
assert np.all(get_rm_ref() == expect)
|
|
|
|
# Make sure the readonly ones are numpy-readonly:
|
|
with pytest.raises(ValueError):
|
|
zcro[1, 2] = 6
|
|
with pytest.raises(ValueError):
|
|
zrro[1, 2] = 6
|
|
|
|
# We should be able to explicitly copy like this (and since we're copying,
|
|
# the const should drop away)
|
|
y1 = np.array(get_cm_const_ref())
|
|
|
|
assert y1.flags.owndata and y1.flags.writeable
|
|
# We should get copies of the eigen data, which was modified above:
|
|
assert y1[1, 2] == 99
|
|
y1[1, 2] += 12
|
|
assert y1[1, 2] == 111
|
|
assert zc[1, 2] == 99 # Make sure we aren't referencing the original
|
|
|
|
|
|
def test_both_ref_mutators():
|
|
"""Tests a complex chain of nested eigen/numpy references"""
|
|
from pybind11_tests import (
|
|
incr_matrix, get_cm_ref, incr_matrix_any, even_cols, even_rows, reset_refs)
|
|
reset_refs() # In case another test already changed it
|
|
|
|
z = get_cm_ref() # numpy -> eigen
|
|
z[0, 2] -= 3
|
|
z2 = incr_matrix(z, 1) # numpy -> eigen -> numpy -> eigen
|
|
z2[1, 1] += 6
|
|
z3 = incr_matrix(z, 2) # (numpy -> eigen)^3
|
|
z3[2, 2] += -5
|
|
z4 = incr_matrix(z, 3) # (numpy -> eigen)^4
|
|
z4[1, 1] -= 1
|
|
z5 = incr_matrix(z, 4) # (numpy -> eigen)^5
|
|
z5[0, 0] = 0
|
|
assert np.all(z == z2)
|
|
assert np.all(z == z3)
|
|
assert np.all(z == z4)
|
|
assert np.all(z == z5)
|
|
expect = np.array([[0., 22, 20], [31, 37, 33], [41, 42, 38]])
|
|
assert np.all(z == expect)
|
|
|
|
y = np.array(range(100), dtype='float64').reshape(10, 10)
|
|
y2 = incr_matrix_any(y, 10) # np -> eigen -> np
|
|
y3 = incr_matrix_any(y2[0::2, 0::2], -33) # np -> eigen -> np slice -> np -> eigen -> np
|
|
y4 = even_rows(y3) # numpy -> eigen slice -> (... y3)
|
|
y5 = even_cols(y4) # numpy -> eigen slice -> (... y4)
|
|
y6 = incr_matrix_any(y5, 1000) # numpy -> eigen -> (... y5)
|
|
|
|
# Apply same mutations using just numpy:
|
|
yexpect = np.array(range(100), dtype='float64').reshape(10, 10)
|
|
yexpect += 10
|
|
yexpect[0::2, 0::2] -= 33
|
|
yexpect[0::4, 0::4] += 1000
|
|
assert np.all(y6 == yexpect[0::4, 0::4])
|
|
assert np.all(y5 == yexpect[0::4, 0::4])
|
|
assert np.all(y4 == yexpect[0::4, 0::2])
|
|
assert np.all(y3 == yexpect[0::2, 0::2])
|
|
assert np.all(y2 == yexpect)
|
|
assert np.all(y == yexpect)
|
|
|
|
|
|
def test_nocopy_wrapper():
|
|
from pybind11_tests import get_elem, get_elem_nocopy, get_elem_rm_nocopy
|
|
# get_elem requires a column-contiguous matrix reference, but should be
|
|
# callable with other types of matrix (via copying):
|
|
int_matrix_colmajor = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]], order='F')
|
|
dbl_matrix_colmajor = np.array(int_matrix_colmajor, dtype='double', order='F', copy=True)
|
|
int_matrix_rowmajor = np.array(int_matrix_colmajor, order='C', copy=True)
|
|
dbl_matrix_rowmajor = np.array(int_matrix_rowmajor, dtype='double', order='C', copy=True)
|
|
|
|
# All should be callable via get_elem:
|
|
assert get_elem(int_matrix_colmajor) == 8
|
|
assert get_elem(dbl_matrix_colmajor) == 8
|
|
assert get_elem(int_matrix_rowmajor) == 8
|
|
assert get_elem(dbl_matrix_rowmajor) == 8
|
|
|
|
# All but the second should fail with get_elem_nocopy:
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_nocopy(int_matrix_colmajor)
|
|
assert ('get_elem_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.f_contiguous' in str(excinfo.value))
|
|
assert get_elem_nocopy(dbl_matrix_colmajor) == 8
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_nocopy(int_matrix_rowmajor)
|
|
assert ('get_elem_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.f_contiguous' in str(excinfo.value))
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_nocopy(dbl_matrix_rowmajor)
|
|
assert ('get_elem_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.f_contiguous' in str(excinfo.value))
|
|
|
|
# For the row-major test, we take a long matrix in row-major, so only the third is allowed:
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_rm_nocopy(int_matrix_colmajor)
|
|
assert ('get_elem_rm_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.c_contiguous' in str(excinfo.value))
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_rm_nocopy(dbl_matrix_colmajor)
|
|
assert ('get_elem_rm_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.c_contiguous' in str(excinfo.value))
|
|
assert get_elem_rm_nocopy(int_matrix_rowmajor) == 8
|
|
with pytest.raises(TypeError) as excinfo:
|
|
get_elem_rm_nocopy(dbl_matrix_rowmajor)
|
|
assert ('get_elem_rm_nocopy(): incompatible function arguments.' in str(excinfo.value) and
|
|
', flags.c_contiguous' in str(excinfo.value))
|
|
|
|
|
|
def test_special_matrix_objects():
|
|
from pybind11_tests import incr_diag, symmetric_upper, symmetric_lower
|
|
|
|
assert np.all(incr_diag(7) == np.diag([1., 2, 3, 4, 5, 6, 7]))
|
|
|
|
asymm = np.array([[ 1., 2, 3, 4],
|
|
[ 5, 6, 7, 8],
|
|
[ 9, 10, 11, 12],
|
|
[13, 14, 15, 16]])
|
|
symm_lower = np.array(asymm)
|
|
symm_upper = np.array(asymm)
|
|
for i in range(4):
|
|
for j in range(i + 1, 4):
|
|
symm_lower[i, j] = symm_lower[j, i]
|
|
symm_upper[j, i] = symm_upper[i, j]
|
|
|
|
assert np.all(symmetric_lower(asymm) == symm_lower)
|
|
assert np.all(symmetric_upper(asymm) == symm_upper)
|
|
|
|
|
|
def test_dense_signature(doc):
|
|
from pybind11_tests import double_col, double_row, double_complex, double_mat_rm
|
|
|
|
assert doc(double_col) == """
|
|
double_col(arg0: numpy.ndarray[float32[m, 1]]) -> numpy.ndarray[float32[m, 1]]
|
|
"""
|
|
assert doc(double_row) == """
|
|
double_row(arg0: numpy.ndarray[float32[1, n]]) -> numpy.ndarray[float32[1, n]]
|
|
"""
|
|
assert doc(double_complex) == """
|
|
double_complex(arg0: numpy.ndarray[complex64[m, 1]]) -> numpy.ndarray[complex64[m, 1]]
|
|
"""
|
|
assert doc(double_mat_rm) == """
|
|
double_mat_rm(arg0: numpy.ndarray[float32[m, n]]) -> numpy.ndarray[float32[m, n]]
|
|
"""
|
|
|
|
|
|
@pytest.requires_eigen_and_scipy
|
|
def test_sparse():
|
|
from pybind11_tests import sparse_r, sparse_c, sparse_copy_r, sparse_copy_c
|
|
|
|
assert_sparse_equal_ref(sparse_r())
|
|
assert_sparse_equal_ref(sparse_c())
|
|
assert_sparse_equal_ref(sparse_copy_r(sparse_r()))
|
|
assert_sparse_equal_ref(sparse_copy_c(sparse_c()))
|
|
assert_sparse_equal_ref(sparse_copy_r(sparse_c()))
|
|
assert_sparse_equal_ref(sparse_copy_c(sparse_r()))
|
|
|
|
|
|
@pytest.requires_eigen_and_scipy
|
|
def test_sparse_signature(doc):
|
|
from pybind11_tests import sparse_copy_r, sparse_copy_c
|
|
|
|
assert doc(sparse_copy_r) == """
|
|
sparse_copy_r(arg0: scipy.sparse.csr_matrix[float32]) -> scipy.sparse.csr_matrix[float32]
|
|
""" # noqa: E501 line too long
|
|
assert doc(sparse_copy_c) == """
|
|
sparse_copy_c(arg0: scipy.sparse.csc_matrix[float32]) -> scipy.sparse.csc_matrix[float32]
|
|
""" # noqa: E501 line too long
|
|
|
|
|
|
def test_issue738():
|
|
from pybind11_tests import iss738_f1, iss738_f2
|
|
|
|
assert np.all(iss738_f1(np.array([[1., 2, 3]])) == np.array([[1., 102, 203]]))
|
|
assert np.all(iss738_f1(np.array([[1.], [2], [3]])) == np.array([[1.], [12], [23]]))
|
|
|
|
assert np.all(iss738_f2(np.array([[1., 2, 3]])) == np.array([[1., 102, 203]]))
|
|
assert np.all(iss738_f2(np.array([[1.], [2], [3]])) == np.array([[1.], [12], [23]]))
|
|
|
|
|
|
def test_custom_operator_new():
|
|
"""Using Eigen types as member variables requires a class-specific
|
|
operator new with proper alignment"""
|
|
from pybind11_tests import CustomOperatorNew
|
|
|
|
o = CustomOperatorNew()
|
|
np.testing.assert_allclose(o.a, 0.0)
|
|
np.testing.assert_allclose(o.b.diagonal(), 1.0)
|