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test_common.py
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			# import pybind11
			import numpy as np
			import py11_akantu_test_common as pyaka_test


			def test_array_size():
			ptr, array = pyaka_test.createData(1000, 3)
			assert array.shape == (1000, 3)


			def test_array_nocopy():
			ptr, array = pyaka_test.createData(1000, 3)
			through_python = pyaka_test.getRawPointer(array)
			assert(ptr == through_python)


			def test_modify_values():
			ptr, array = pyaka_test.createData(3, 3)
			array[0, :] = (1., 2., 3.)
			array2 = pyaka_test.getData(ptr)
			assert(np.linalg.norm(array-array2) < 1e-15)

			for i in [1, 2, 3]:
			ptr, array = pyaka_test.createData(10000, i)
			array[:, :] = np.random.random((10000, i))
			array2 = pyaka_test.getData(ptr)
			assert(np.linalg.norm(array-array2) < 1e-15)


			def test_array_copy():
			ptr, array = pyaka_test.createData(1000, 3)
			array2 = pyaka_test.getCopyData(ptr)
			ptr2 = pyaka_test.getRawPointer(array2)
			assert(ptr != ptr2)