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35 lines
971 B
Python
35 lines
971 B
Python
import netgen
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from pyngcore import *
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from numpy import sort, array
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def test_array_numpy():
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a = Array_I_S(5)
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a[:] = 0
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a[3:] = 2
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assert(sum(a) == 4)
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a[1] = 5
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b = sort(a)
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assert(all(b == array([0,0,2,2,5])))
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assert(all(a == array([0,5,0,2,2])))
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a.NumPy().sort()
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assert(all(a == array([0,0,2,2,5])))
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def test_mesh_elements_numpy_array_access():
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from netgen.csg import unit_cube
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mesh = unit_cube.GenerateMesh()
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np_els = mesh.Elements3D().NumPy()
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vol_nodes = np_els["nodes"]
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indices = np_els["index"]
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nps = np_els["np"]
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for nodes, el, index, np in zip(vol_nodes, mesh.Elements3D(), indices, nps):
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for n1, n2 in zip(nodes, el.vertices):
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assert n1 == n2
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for n in nodes[len(el.vertices):]:
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assert n == 0
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assert el.index == index
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assert len(el.vertices) == np
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if __name__ == "__main__":
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test_array_numpy()
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test_mesh_elements_numpy_array_access()
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