def test_ifftn():
# Real to complex inverse fft not implemented in arrayfire
# b = numpy.random.random((3,3))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# b = numpy.random.random((3,2))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# b = numpy.random.random((5,3,2))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
b = numpy.random.random((5, 3, 2)) + numpy.random.random((5, 3, 2)) * 1.0j
# b = numpy.ones((3,3))+numpy.zeros((3,3))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# Test shape argument
b = numpy.random.random((3, 3))
a = afnumpy.array(b)
s = (3, 3)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
s = (3, 6)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
s = (3, 2)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
def test_fftn():
b = numpy.random.random((3,3))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((3,2))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((5,3,2))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((5,3,2))+numpy.random.random((5,3,2))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
# Test shape argument
b = numpy.random.random((3,3))
a = afnumpy.array(b)
s = (3,3)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
s = (3,6)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
s = (3,2)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
def test_ndarray_abs():
b = numpy.random.random(3) + numpy.random.random(3) * 1.0j
a = afnumpy.array(b)
fassert(abs(a), abs(b))
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(abs(a), abs(b))
def test_ndarray_len():
b = numpy.random.random(3)
a = afnumpy.array(b)
assert(len(a) == len(b))
b = numpy.random.random((3,3))
a = afnumpy.array(b)
assert(len(a) == len(b))
def test_where():
a1 = afnumpy.array([1,2,3])
b1 = numpy.array(a1)
a2 = afnumpy.array([0,2,1])
b2 = numpy.array(a2)
# Test where with input as indices
iassert(afnumpy.where(a2, a1, a2), numpy.where(b2, b1, b2))
# Test where with input as indices
iassert(afnumpy.where(a2), numpy.where(b2))
# Test where with input as booleans
iassert(afnumpy.where(a2 < 2, a1, a2), numpy.where(b2 < 2, b1, b2))
# Test where with input as booleans
iassert(afnumpy.where(a2 < 2), numpy.where(b2 < 2))
# And now multidimensional
a1 = afnumpy.array([[1,2,3],[4,5,6]])
b1 = numpy.array(a1)
a2 = afnumpy.array([[0,2,1],[1,0,1]])
b2 = numpy.array(a2)
# Test where with input as indices
iassert(afnumpy.where(a2, a1, a2), numpy.where(b2, b1, b2))
# Test where with input as indices
iassert(afnumpy.where(a2), numpy.where(b2))
# And now multidimensional
b1 = numpy.random.random((3,3,3)) > 0.5
a1 = afnumpy.array(b1)
# Test where with input as indices
iassert(afnumpy.where(a1), numpy.where(b1))
def test_sort():
# Sort does not support 64bit int yet
x = np.array([3, 1, 2], dtype=np.int32)
y = af.array(x)
iassert(af.sort(y), np.sort(x))
x.sort()
y.sort()
iassert(y, x)
x = np.array([[0, 3], [2, 2]], dtype=float)
y = af.array(x)
iassert(af.sort(y), np.sort(x))
iassert(af.sort(y, axis=1), np.sort(x, axis=1))
iassert(af.sort(y, axis=None), np.sort(x, axis=None))
x.sort()
y.sort()
iassert(y, x)
x = np.array([[0, 3], [2, 2]], dtype=float)
y = af.array(x)
x.sort(axis=1)
y.sort(axis=1)
iassert(y, x)
x = np.array([[0, 3], [2, 2]], dtype=float)
y = af.array(x)
iassert(af.sort(y, axis=None), np.sort(x, axis=None))
def test_ndarray_T():
x = numpy.array([[1., 2.], [3., 4.]])
y = afnumpy.array(x)
fassert(y.T, x.T)
x = numpy.array([1., 2., 3., 4.])
y = afnumpy.array(x)
fassert(y.T, x.T)
def test_getitem_multi_array():
# Multidimensional array indexing
b = numpy.random.random((2, 2))
a = afnumpy.array(b)
d = numpy.array([0, 1])
c = afnumpy.array(d)
iassert(a[c, c], b[d, d])
def test_ndarray_len():
b = numpy.random.random(3)
a = afnumpy.array(b)
assert (len(a) == len(b))
b = numpy.random.random((3, 3))
a = afnumpy.array(b)
assert (len(a) == len(b))
def test_getitem_multi_array():
# Multidimensional array indexing
b = numpy.random.random((2,2))
a = afnumpy.array(b)
d = numpy.array([0,1])
c = afnumpy.array(d)
iassert(a[c,c], b[d,d])
def test_where():
a1 = afnumpy.array([1, 2, 3])
b1 = numpy.array(a1)
a2 = afnumpy.array([0, 2, 1])
b2 = numpy.array(a2)
# Test where with input as indices
iassert(afnumpy.where(a2, a1, a2), numpy.where(b2, b1, b2))
# Test where with input as indices
iassert(afnumpy.where(a2), numpy.where(b2))
# Test where with input as booleans
iassert(afnumpy.where(a2 < 2, a1, a2), numpy.where(b2 < 2, b1, b2))
# Test where with input as booleans
iassert(afnumpy.where(a2 < 2), numpy.where(b2 < 2))
# And now multidimensional
a1 = afnumpy.array([[1, 2, 3], [4, 5, 6]])
b1 = numpy.array(a1)
a2 = afnumpy.array([[0, 2, 1], [1, 0, 1]])
b2 = numpy.array(a2)
# Test where with input as indices
iassert(afnumpy.where(a2, a1, a2), numpy.where(b2, b1, b2))
# Test where with input as indices
iassert(afnumpy.where(a2), numpy.where(b2))
# And now multidimensional
b1 = numpy.random.random((3, 3, 3)) > 0.5
a1 = afnumpy.array(b1)
# Test where with input as indices
iassert(afnumpy.where(a1), numpy.where(b1))
def test_ndarray_abs():
b = numpy.random.random(3)+numpy.random.random(3)*1.0j
a = afnumpy.array(b)
fassert(abs(a), abs(b))
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(abs(a), abs(b))
def test_ifftn():
# Real to complex inverse fft not implemented in arrayfire
# b = numpy.random.random((3,3))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# b = numpy.random.random((3,2))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# b = numpy.random.random((5,3,2))
# a = afnumpy.array(b)
# fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
b = numpy.random.random((5,3,2))+numpy.random.random((5,3,2))*1.0j
# b = numpy.ones((3,3))+numpy.zeros((3,3))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftn(a), numpy.fft.ifftn(b))
# Test shape argument
b = numpy.random.random((3,3))
a = afnumpy.array(b)
s = (3,3)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
s = (3,6)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
s = (3,2)
fassert(afnumpy.fft.ifftn(a, s), numpy.fft.ifftn(b, s))
def test_ndarray_T():
x = numpy.array([[1.,2.],[3.,4.]])
y = afnumpy.array(x)
fassert(y.T,x.T)
x = numpy.array([1.,2.,3.,4.])
y = afnumpy.array(x)
fassert(y.T,x.T)
def test_fftn():
b = numpy.random.random((3, 3))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((3, 2))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((5, 3, 2))
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
b = numpy.random.random((5, 3, 2)) + numpy.random.random((5, 3, 2)) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.fft.fftn(a), numpy.fft.fftn(b))
# Test shape argument
b = numpy.random.random((3, 3))
a = afnumpy.array(b)
s = (3, 3)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
s = (3, 6)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
s = (3, 2)
fassert(afnumpy.fft.fftn(a, s), numpy.fft.fftn(b, s))
def test_ceil():
b = numpy.random.random((2,3))
a = afnumpy.array(b)
iassert(afnumpy.ceil(a), numpy.ceil(b))
b = numpy.array([1,2,3])
a = afnumpy.array(b)
iassert(afnumpy.ceil(a), numpy.ceil(b))
def test_meshgrid():
nx, ny = (3, 2)
x2 = numpy.linspace(0, 1, nx)
y2 = numpy.linspace(0, 1, ny)
x1 = afnumpy.array(x2)
y1 = afnumpy.array(y2)
iassert(afnumpy.meshgrid(x1, y1), numpy.meshgrid(x2, y2))
def test_meshgrid():
nx, ny = (3, 2)
x2 = numpy.linspace(0, 1, nx)
y2 = numpy.linspace(0, 1, ny)
x1 = afnumpy.array(x2)
y1 = afnumpy.array(y2)
iassert(afnumpy.meshgrid(x1, y1), numpy.meshgrid(x2, y2))
def test_dot_1D():
b = numpy.random.random(3) + numpy.random.random(3) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.dot(a, a), numpy.dot(b, b))
a = numpy.random.random(3) + numpy.random.random(3) * 1.0j
b = numpy.random.random(3)
fassert(afnumpy.dot(afnumpy.array(a), afnumpy.array(b)), numpy.dot(a, b))
def test_dot_1D():
b = numpy.random.random(3)+numpy.random.random(3)*1.0j
a = afnumpy.array(b)
fassert(afnumpy.dot(a,a), numpy.dot(b,b))
a = numpy.random.random(3)+numpy.random.random(3)*1.0j
b = numpy.random.random(3)
fassert(afnumpy.dot(afnumpy.array(a),afnumpy.array(b)), numpy.dot(a,b))
def test_ceil():
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
iassert(afnumpy.ceil(a), numpy.ceil(b))
b = numpy.array([1, 2, 3])
a = afnumpy.array(b)
iassert(afnumpy.ceil(a), numpy.ceil(b))
def test_floor():
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
iassert(afnumpy.floor(a), numpy.floor(b))
b = numpy.array([1, 2, 3])
a = afnumpy.array(b)
iassert(afnumpy.floor(a), numpy.floor(b))
def test_floor():
b = numpy.random.random((2,3))
a = afnumpy.array(b)
iassert(afnumpy.floor(a), numpy.floor(b))
b = numpy.array([1,2,3])
a = afnumpy.array(b)
iassert(afnumpy.floor(a), numpy.floor(b))
def test_argsort():
# Sort does not support 64bit int yet
x = np.array([3, 1, 2], dtype=float)
y = af.array(x)
iassert(af.argsort(y), np.argsort(x))
x = np.array([[0, 3], [2, 2]], dtype=float)
y = af.array(x)
iassert(af.argsort(y), np.argsort(x))
iassert(af.argsort(y, axis=1), np.argsort(x, axis=1))
def test_ndarray_take():
b = numpy.array([4, 3, 5, 7, 6, 8])
a = afnumpy.array(b)
indices = [0, 1, 4]
iassert(a.take(indices), b.take(indices))
b = numpy.random.random((2,3))
a = afnumpy.array(b)
iassert(a.take([0,1],axis=1), b.take([0,1],axis=1))
iassert(a.take([0,1]), b.take([0,1]))
def test_min():
b = numpy.random.random(3)+numpy.random.random(3)*1.0j
a = afnumpy.array(b)
# Arrayfire uses the magnitude for max while numpy uses
# the real part as primary key followed by the imaginary part
# fassert(a.min(), b.min())
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(a.min(), b.min())
def test_min():
b = numpy.random.random(3) + numpy.random.random(3) * 1.0j
a = afnumpy.array(b)
# Arrayfire uses the magnitude for max while numpy uses
# the real part as primary key followed by the imaginary part
# fassert(a.min(), b.min())
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(a.min(), b.min())
def test_ndarray_take():
b = numpy.array([4, 3, 5, 7, 6, 8])
a = afnumpy.array(b)
indices = [0, 1, 4]
iassert(a.take(indices), b.take(indices))
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
iassert(a.take([0, 1], axis=1), b.take([0, 1], axis=1))
iassert(a.take([0, 1]), b.take([0, 1]))
def test_argsort():
# Sort does not support 64bit int yet
x = np.array([3, 1, 2], dtype=float)
y = af.array(x)
iassert(af.argsort(y), np.argsort(x))
x = np.array([[0, 3], [2, 2]], dtype=float)
y = af.array(x)
iassert(af.argsort(y), np.argsort(x))
iassert(af.argsort(y, axis=1), np.argsort(x, axis=1))
def test_P1():
# test symmetry operations
print('\n\n')
print('Testing solid_syms_Fourier:')
a = np.arange(4**3).reshape((4,4,4)) + 0J
sym_ops = crappy_crystals.phasing.symmetry_operations.P1(a.shape, a.shape, a.dtype)
U = sym_ops.solid_syms_Fourier(a)
sym_ops_gpu = crappy_crystals.gpu.phasing.symmetry_operations.P1(a.shape, a.shape, a.dtype)
U_gpu = sym_ops_gpu.solid_syms_Fourier(afnumpy.array(a))
obj = 0
print('\n\n')
print('solid unit:')
print(a.real)
print('U == U_gpu ?', np.allclose(np.array(U_gpu), U ))
print('U')
print(U.real)
print('U_gpu')
print(np.array(U_gpu).real)
print('\n\n')
print('Testing solid_syms_real')
U = sym_ops.solid_syms_real(a)
U_gpu = sym_ops_gpu.solid_syms_real(afnumpy.array(a))
print('U == U_gpu ?', np.allclose(np.array(U_gpu), U ))
import time
shape = (128,128,128)
a = np.random.random(shape) + 1J * np.random.random(shape)
b = afnumpy.array(a)
print('\n\n')
print('Time test P1:', shape)
sym_ops = crappy_crystals.phasing.symmetry_operations.P1(a.shape, a.shape, a.dtype)
sym_ops_gpu = crappy_crystals.gpu.phasing.symmetry_operations.P1(a.shape, a.shape, a.dtype)
d0 = time.time()
for i in range(100):
temp1 = sym_ops.solid_syms_Fourier(a)
d1 = time.time()
print('cpu : flip a ', d1-d0, 's')
d0 = time.time()
for i in range(100):
temp = sym_ops_gpu.solid_syms_Fourier(b)
d1 = time.time()
print('arrayfire : sym_ops ', d1-d0)
print('arrayfire == np ?:', np.allclose(temp1, np.array(temp)))
def test_ndarray_imag():
x = np.sqrt([1+0j, 0+1j])
y = af.array(x)
fassert(y.imag, x.imag)
y.imag[:] = 0
x.imag[:] = 0
fassert(y, x)
x = np.sqrt([1.0, 0.0])
y = af.array(x)
fassert(y.imag, x.imag)
def test_ndarray_imag():
x = np.sqrt([1 + 0j, 0 + 1j])
y = af.array(x)
fassert(y.imag, x.imag)
y.imag[:] = 0
x.imag[:] = 0
fassert(y, x)
x = np.sqrt([1.0, 0.0])
y = af.array(x)
fassert(y.imag, x.imag)
def test_vdot():
b = numpy.random.random(3) + numpy.random.random(3) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a, a), numpy.vdot(b, b))
b = numpy.random.random((3, 3)) + numpy.random.random((3, 3)) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a, a), numpy.vdot(b, b))
b = numpy.random.random((3, 3, 3)) + numpy.random.random((3, 3, 3)) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a, a), numpy.vdot(b, b))
def test_vdot():
b = numpy.random.random(3)+numpy.random.random(3)*1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a,a), numpy.vdot(b,b))
b = numpy.random.random((3,3))+numpy.random.random((3,3))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a,a), numpy.vdot(b,b))
b = numpy.random.random((3,3,3))+numpy.random.random((3,3,3))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.vdot(a,a), numpy.vdot(b,b))
def test_ndarray_all():
b = numpy.random.randint(0,2,3).astype('bool')
a = afnumpy.array(b)
iassert(a.all(), b.all())
iassert(a.all(axis=0), b.all(axis=0))
b = numpy.random.randint(0,2,(3,2)).astype('bool')
a = afnumpy.array(b)
iassert(a.all(), b.all())
iassert(a.all(axis=0), b.all(axis=0))
iassert(a.all(keepdims=True), b.all(keepdims=True))
def test_ndarray_all():
b = numpy.random.randint(0, 2, 3).astype('bool')
a = afnumpy.array(b)
iassert(a.all(), b.all())
iassert(a.all(axis=0), b.all(axis=0))
b = numpy.random.randint(0, 2, (3, 2)).astype('bool')
a = afnumpy.array(b)
iassert(a.all(), b.all())
iassert(a.all(axis=0), b.all(axis=0))
iassert(a.all(keepdims=True), b.all(keepdims=True))
def test_subtract():
a = afnumpy.random.random((2,3))
b = numpy.array(a)
fassert(afnumpy.subtract(a,a), numpy.subtract(b,b))
a = afnumpy.array(2)
ao = afnumpy.array(0)
b = numpy.array(a)
bo = numpy.array(0)
fassert(afnumpy.subtract(a,a), numpy.subtract(b,b))
fassert(afnumpy.subtract(a,a, out=ao), numpy.subtract(b,b, out = bo))
fassert(ao, bo)
def test_sum():
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(afnumpy.sum(a), numpy.sum(b))
fassert(afnumpy.sum(a, axis=0), numpy.sum(b, axis=0))
fassert(afnumpy.sum(a, keepdims=True), numpy.sum(b, keepdims=True))
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
fassert(afnumpy.sum(a), numpy.sum(b))
fassert(afnumpy.sum(a, axis=0), numpy.sum(b, axis=0))
def test_multiply():
a = afnumpy.random.random((2,3))
b = numpy.array(a)
fassert(afnumpy.multiply(a,a), numpy.multiply(b,b))
a = afnumpy.array(2)
ao = afnumpy.array(0)
b = numpy.array(a)
bo = numpy.array(0)
fassert(afnumpy.multiply(a,a), numpy.multiply(b,b))
fassert(afnumpy.multiply(a,a, out=ao), numpy.multiply(b,b, out = bo))
fassert(ao, bo)
def test_add():
a = afnumpy.random.random((2, 3))
b = numpy.array(a)
fassert(afnumpy.add(a, a), numpy.add(b, b))
a = afnumpy.array(2)
ao = afnumpy.array(0)
b = numpy.array(a)
bo = numpy.array(0)
fassert(afnumpy.add(a, a), numpy.add(b, b))
fassert(afnumpy.add(a, a, out=ao), numpy.add(b, b, out=bo))
fassert(ao, bo)
def test_sum():
b = numpy.random.random(3)
a = afnumpy.array(b)
fassert(afnumpy.sum(a), numpy.sum(b))
fassert(afnumpy.sum(a,axis=0), numpy.sum(b,axis=0))
fassert(afnumpy.sum(a,keepdims=True), numpy.sum(b,keepdims=True))
b = numpy.random.random((2,3))
a = afnumpy.array(b)
fassert(afnumpy.sum(a), numpy.sum(b))
fassert(afnumpy.sum(a,axis=0), numpy.sum(b,axis=0))
def test_true_divide():
a = afnumpy.random.random((2, 3))
b = numpy.array(a)
fassert(afnumpy.true_divide(a, a), numpy.true_divide(b, b))
a = afnumpy.array(2)
b = numpy.array(a)
ao = afnumpy.array(0.)
bo = numpy.array(0.)
fassert(afnumpy.true_divide(a, a), numpy.true_divide(b, b))
fassert(afnumpy.true_divide(a, a, out=ao), numpy.true_divide(b, b, out=bo))
fassert(ao, bo)
def test_floor_divide():
a = afnumpy.random.random((2,3))
b = numpy.array(a)
fassert(afnumpy.floor_divide(a,a), numpy.floor_divide(b,b))
a = afnumpy.array(2)
b = numpy.array(a)
ao = afnumpy.array(0)
bo = numpy.array(0)
fassert(afnumpy.floor_divide(a,a), numpy.floor_divide(b,b))
fassert(afnumpy.floor_divide(a,a, out=ao), numpy.floor_divide(b,b, out = bo))
fassert(ao, bo)
def test_dot_3D():
b = numpy.random.random((3, 3, 3)) + numpy.random.random((3, 3, 3)) * 1.0j
a = afnumpy.array(b)
fassert(afnumpy.dot(a, a), numpy.dot(b, b))
a = numpy.random.random((3, 2, 4)) + numpy.random.random((3, 2, 4)) * 1.0j
b = numpy.random.random((3, 4, 1))
fassert(afnumpy.dot(afnumpy.array(a), afnumpy.array(b)), numpy.dot(a, b))
b = numpy.random.random((3, 3, 3))
a = numpy.random.random((3, 3))
fassert(afnumpy.dot(afnumpy.array(a), afnumpy.array(b)), numpy.dot(a, b))
def test_broadcast_arrays():
# Currently arrayfire is missing support for int64
x2 = numpy.array([[1, 2, 3]], dtype=numpy.float32)
y2 = numpy.array([[1], [2], [3]], dtype=numpy.float32)
x1 = afnumpy.array(x2)
y1 = afnumpy.array(y2)
iassert(afnumpy.broadcast_arrays(x1, y1), numpy.broadcast_arrays(x2, y2))
x1 = afnumpy.array([2])
y1 = afnumpy.array(2)
x2 = numpy.array([2])
y2 = numpy.array(2)
iassert(afnumpy.broadcast_arrays(x1, y1), numpy.broadcast_arrays(x2, y2))
def test_dot_3D():
b = numpy.random.random((3,3,3))+numpy.random.random((3,3,3))*1.0j
a = afnumpy.array(b)
fassert(afnumpy.dot(a,a), numpy.dot(b,b))
a = numpy.random.random((3,2,4))+numpy.random.random((3,2,4))*1.0j
b = numpy.random.random((3,4,1))
fassert(afnumpy.dot(afnumpy.array(a),afnumpy.array(b)), numpy.dot(a,b))
b = numpy.random.random((3,3,3))
a = numpy.random.random((3,3))
fassert(afnumpy.dot(afnumpy.array(a),afnumpy.array(b)), numpy.dot(a,b))
def test_broadcast_arrays():
# Currently arrayfire is missing support for int64
x2 = numpy.array([[1,2,3]], dtype=numpy.float32)
y2 = numpy.array([[1],[2],[3]], dtype=numpy.float32)
x1 = afnumpy.array(x2)
y1 = afnumpy.array(y2)
iassert(afnumpy.broadcast_arrays(x1, y1), numpy.broadcast_arrays(x2, y2))
x1 = afnumpy.array([2])
y1 = afnumpy.array(2)
x2 = numpy.array([2])
y2 = numpy.array(2)
iassert(afnumpy.broadcast_arrays(x1, y1), numpy.broadcast_arrays(x2, y2))
def test_transpose():
b = numpy.random.random((2,3))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
iassert(a.transpose((0,1)), b.transpose((0,1)))
iassert(a.transpose((1,0)), b.transpose((1,0)))
b = numpy.random.random((2))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
b = numpy.random.random((2,3,4))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
iassert(a.transpose((2,0,1)), b.transpose((2,0,1)))
def test_transpose():
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
iassert(a.transpose((0, 1)), b.transpose((0, 1)))
iassert(a.transpose((1, 0)), b.transpose((1, 0)))
b = numpy.random.random((2))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
b = numpy.random.random((2, 3, 4))
a = afnumpy.array(b)
iassert(a.transpose(), b.transpose())
iassert(a.transpose((2, 0, 1)), b.transpose((2, 0, 1)))
def test_reshape():
b = numpy.random.random((2, 3))
a = afnumpy.array(b)
iassert(a.reshape((3, 2)), b.reshape((3, 2)))
iassert(a.reshape(6), b.reshape(6))
iassert(a.reshape((-1, 2)), b.reshape((-1, 2)))
assert a.d_array.device_ptr() == a.reshape((-1, 2)).d_array.device_ptr()
b = numpy.random.random((1))
a = afnumpy.array(b)
# Some empty shape reshape
iassert(a.reshape(()), b.reshape(()))
iassert(a.reshape([]), b.reshape([]))
def test_reshape():
b = numpy.random.random((2,3))
a = afnumpy.array(b)
iassert(a.reshape((3,2)), b.reshape((3,2)))
iassert(a.reshape(6), b.reshape(6))
iassert(a.reshape((-1,2)), b.reshape((-1,2)))
assert a.d_array.device_ptr() == a.reshape((-1,2)).d_array.device_ptr()
b = numpy.random.random((1))
a = afnumpy.array(b)
# Some empty shape reshape
iassert(a.reshape(()), b.reshape(()))
iassert(a.reshape([]), b.reshape([]))
def test_ifftshift():
b = numpy.random.random((3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
b = numpy.random.random((3,3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
b = numpy.random.random((3,3,3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
fassert(afnumpy.fft.ifftshift(a,axes=0), numpy.fft.ifftshift(b,axes=0))
fassert(afnumpy.fft.ifftshift(a,axes=1), numpy.fft.ifftshift(b,axes=1))
fassert(afnumpy.fft.ifftshift(a,axes=2), numpy.fft.ifftshift(b,axes=2))
fassert(afnumpy.fft.ifftshift(a,axes=(1,2)), numpy.fft.ifftshift(b,axes=(1,2)))
def test_divide():
a = afnumpy.random.random((2,3))
b = numpy.array(a)
fassert(afnumpy.divide(a,a), numpy.divide(b,b))
a = afnumpy.array(2)
b = numpy.array(a)
if sys.version_info >= (3, 0):
ao = afnumpy.array(0.)
bo = numpy.array(0.)
else:
ao = afnumpy.array(0)
bo = numpy.array(0)
fassert(afnumpy.divide(a,a), numpy.divide(b,b))
fassert(afnumpy.divide(a,a, out=ao), numpy.divide(b,b, out = bo))
fassert(ao, bo)
def test_divide():
a = afnumpy.random.random((2, 3))
b = numpy.array(a)
fassert(afnumpy.divide(a, a), numpy.divide(b, b))
a = afnumpy.array(2)
b = numpy.array(a)
if sys.version_info >= (3, 0):
ao = afnumpy.array(0.)
bo = numpy.array(0.)
else:
ao = afnumpy.array(0)
bo = numpy.array(0)
fassert(afnumpy.divide(a, a), numpy.divide(b, b))
fassert(afnumpy.divide(a, a, out=ao), numpy.divide(b, b, out=bo))
fassert(ao, bo)
def test_ifftshift():
b = numpy.random.random((3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
b = numpy.random.random((3, 3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
b = numpy.random.random((3, 3, 3))
a = afnumpy.array(b)
fassert(afnumpy.fft.ifftshift(a), numpy.fft.ifftshift(b))
fassert(afnumpy.fft.ifftshift(a, axes=0), numpy.fft.ifftshift(b, axes=0))
fassert(afnumpy.fft.ifftshift(a, axes=1), numpy.fft.ifftshift(b, axes=1))
fassert(afnumpy.fft.ifftshift(a, axes=2), numpy.fft.ifftshift(b, axes=2))
fassert(afnumpy.fft.ifftshift(a, axes=(1, 2)),
numpy.fft.ifftshift(b, axes=(1, 2)))
def test_tile():
# Currently arrayfire is missing support for int64
b = numpy.array([0, 1, 2], dtype=numpy.float32)
a = afnumpy.array(b)
iassert(afnumpy.tile(a, 2), numpy.tile(b, 2))
iassert(afnumpy.tile(a, (2, 2)), numpy.tile(b, (2, 2)))
iassert(afnumpy.tile(a, (2, 1, 2)), numpy.tile(b, (2, 1, 2)))
def test_percentile():
a = numpy.array([[10, 7, 4], [3, 2, 1]], dtype=numpy.float32)
b = afnumpy.array(a)
fassert(afnumpy.percentile(b, 50), numpy.percentile(a, 50))
fassert(afnumpy.percentile(b, 50, axis=1), numpy.percentile(a, 50, axis=1))
fassert(afnumpy.percentile(b, 50, axis=1, keepdims=True),
numpy.percentile(a, 50, axis=1, keepdims=True))
def __getitem__(self, args):
if not isinstance(args, tuple):
args = (args,)
try:
idx, new_shape, input_shape = indexing.__convert_dim__(self.shape, args)
except NotImplementedError:
# Slow indexing method for not currently implemented fancy indexing
return afnumpy.array(numpy.array(self).__getitem__(args))
if numpy.prod(new_shape) == 0:
# We're gonna end up with an empty array
# As we don't yet support empty arrays return an empty numpy array
return numpy.empty(new_shape, dtype=self.dtype)
if any(x is None for x in idx):
# one of the indices is empty
return ndarray(indexing.__index_shape__(self.shape, idx), dtype=self.dtype)
idx = tuple(idx)
if len(idx) == 0:
idx = tuple([0])
s = self.reshape(input_shape).d_array[idx]
shape = pu.af_shape(s)
array = ndarray(shape, dtype=self.dtype, af_array=s)
if(shape != new_shape):
array = array.reshape(new_shape)
if new_shape == () and Ellipsis not in args:
# Return the actual scalar
return numpy.array(array)[()]
return array
def test_imag():
x = numpy.sqrt([1 + 0j, 0 + 1j])
y = afnumpy.array(x)
fassert(afnumpy.imag(y), numpy.imag(x))
y.real[:] = 0
x.real[:] = 0
fassert(y, x)
def __setitem__(self, idx, value):
try:
idx, idx_shape, input_shape = indexing.__convert_dim__(self.shape, idx)
except NotImplementedError:
# Slow indexing method for not currently implemented fancy indexing
a = numpy.array(self)
a.__setitem__(idx, value)
self[...] = afnumpy.array(a)
return
if numpy.prod(idx_shape) == 0:
# We've selected an empty array
# No need to do anything
return
if any(x is None for x in idx):
# one of the indices is empty
return
idx = tuple(idx)
if len(idx) == 0:
idx = tuple([0])
if(isinstance(value, numbers.Number)):
pass
elif(isinstance(value, ndarray)):
if(value.dtype != self.dtype):
value.astype(self.dtype)
value = indexing.__expand_dim__(self.shape, value, idx).d_array
else:
raise NotImplementedError('values must be a afnumpy.ndarray')
self.reshape(input_shape).d_array[idx] = value
# This is a hack to be able to make it look like arrays with stride[0] > 1 can still be views
# In practise right now it only applies to ndarray.real and ndarray.imag
try:
self._base[self._base_index] = self
except AttributeError:
pass
