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MAINT: skel3d: statically type Euler LUT

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This commit is contained in:
Evgeni Burovski
2016-01-27 08:40:48 +00:00
parent 32865d2bd9
commit c9ed06ad92
1 changed files with 5 additions and 3 deletions
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skimage/morphology/_skel.pyx
+5 -3
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@@ -64,7 +64,7 @@ NUMPOINTS_LUT = fill_numpoints_LUT()
def fill_Euler_LUT():
LUT = np.zeros(256, dtype=int)
LUT = np.zeros(256, dtype=np.intc)
LUT[1] = 1
LUT[3] = -1
@@ -200,14 +200,14 @@ def fill_Euler_LUT():
LUT[255] = -1
return LUT
LUT = fill_Euler_LUT()
cdef int[::] LUT = fill_Euler_LUT()
### Octants (indexOctantXXX functions)
OCTANTS = tuple(range(8))
NEB, NWB, SEB, SWB, NEU, NWU, SEU, SWU = OCTANTS
_neib_idx = np.empty((8, 7), dtype=np.int32)
_neib_idx = np.empty((8, 7), dtype=np.intc)
_neib_idx[NEB, ...] = [2, 1, 11, 10, 5, 4, 14]
_neib_idx[NWB, ...] = [0, 9, 3, 12, 1, 10, 4]
_neib_idx[SEB, ...] = [8, 7, 17, 16, 5, 4, 14]
@@ -241,6 +241,8 @@ def is_surfacepoint(neighbors, points_LUT):
return True
@cython.boundscheck(False)
@cython.wraparound(False)
cdef bint is_Euler_invariant(neighb_type neighbors):
"""Check if a point is Euler invariant.