rename files to conform with naming conventions

skimage/measure/_marching_cubes.py

@@ -1,5 +1,5 @@
 import numpy as np
-from . import _marching_cubes
+from . import _marching_cubes_cy
 
 
 def marching_cubes(volume, level, sampling=(1., 1., 1.)):
@@ -111,8 +111,8 @@ def marching_cubes(volume, level, sampling=(1., 1., 1.)):
     # Note: this algorithm is fast, but returns degenerate "triangles" which
     #   have repeated vertices - and equivalent vertices are redundantly
     #   placed in every triangle they connect with.
-    raw_tris = _marching_cubes.iterate_and_store_3d(volume, float(level),
-                                                    sampling)
+    raw_tris = _marching_cubes_cy.iterate_and_store_3d(volume, float(level),
+                                                       sampling)
 
     # Find and collect unique vertices, storing triangle verts as indices.
     # Removes much redundancy and eliminates degenerate "triangles".
@@ -169,7 +169,6 @@ def mesh_surface_area(verts, tris):
     verts : list
         List of length-3 NumPy arrays containing vertex coordinates.
         Units in each dimension should be consistent.
-
     tris : list
         List of length-3 lists of integers, referencing vertex coordinates as
         provided in `verts`

skimage/measure/_marching_cubes_cy.pyx

@@ -166,7 +166,7 @@ def iterate_and_store_3d(cnp.ndarray[double, ndim=3] arr,
                     e3 = r0 + _get_fraction(v4, v3, level), c1, d0
                     e4 = r0, c0 + _get_fraction(v1, v4, level), d0
 
-            # These must be calculated at each point uunless we implemented a
+            # These must be calculated at each point unless we implemented a
             # large, growing lookup table for all adjacent values; could save
             # ~30% in terms of runtime at the expense of memory usage and
             # much greater complexity.

skimage/measure/setup.py

@@ -14,13 +14,13 @@ def configuration(parent_package='', top_path=None):
 
     cython(['_find_contours.pyx'], working_path=base_path)
     cython(['_moments.pyx'], working_path=base_path)
-    cython(['_marching_cubes.pyx'], working_path=base_path)
+    cython(['_marching_cubes_cy.pyx'], working_path=base_path)
 
     config.add_extension('_find_contours', sources=['_find_contours.c'],
                          include_dirs=[get_numpy_include_dirs()])
     config.add_extension('_moments', sources=['_moments.c'],
                          include_dirs=[get_numpy_include_dirs()])
-    config.add_extension('_marching_cubes', sources=['_marching_cubes.c'],
+    config.add_extension('_marching_cubes_cy', sources=['_marching_cubes.c'],
                          include_dirs=[get_numpy_include_dirs()])
 
     return config