Merge branch 'cython' into 'master'

Delete createindexlistcython.pyx

See merge request !78

lbmpy/boundaries/createindexlistcython.pyx

-# Workaround for cython bug
-# see https://stackoverflow.com/questions/8024805/cython-compiled-c-extension-importerror-dynamic-module-does-not-define-init-fu
-WORKAROUND = "Something"
-
-import cython
-
-ctypedef fused IntegerType:
-    short
-    int
-    long
-    long long
-    unsigned short
-    unsigned int
-    unsigned long
-
-@cython.boundscheck(False)
-@cython.wraparound(False)
-def create_boundary_index_list_2d(object[IntegerType, ndim=2] flag_field,
-                                  int nr_of_ghost_layers, IntegerType boundary_mask, IntegerType fluid_mask,
-                                  object[int, ndim=2] stencil):
-    cdef int xs, ys, x, y
-    cdef int dirIdx, num_directions, dx, dy
-
-    xs, ys = flag_field.shape
-    boundary_index_list = []
-    num_directions = stencil.shape[0]
-
-    for y in range(nr_of_ghost_layers, ys - nr_of_ghost_layers):
-        for x in range(nr_of_ghost_layers, xs - nr_of_ghost_layers):
-            if flag_field[x, y] & fluid_mask:
-                for dirIdx in range(1, num_directions):
-                    dx = stencil[dirIdx,0]
-                    dy = stencil[dirIdx,1]
-                    if flag_field[x + dx, y + dy] & boundary_mask:
-                        boundary_index_list.append((x,y, dirIdx))
-    return boundary_index_list
-
-
-@cython.boundscheck(False)
-@cython.wraparound(False)
-def create_boundary_index_list_3d(object[IntegerType, ndim=3] flag_field,
-                                  int nr_of_ghost_layers, IntegerType boundary_mask, IntegerType fluid_mask,
-                                  object[int, ndim=2] stencil):
-    cdef int xs, ys, zs, x, y, z
-    cdef int dirIdx, num_directions, dx, dy, dz
-
-    xs, ys, zs = flag_field.shape
-    boundary_index_list = []
-    num_directions = stencil.shape[0]
-
-    for z in range(nr_of_ghost_layers, zs - nr_of_ghost_layers):
-        for y in range(nr_of_ghost_layers, ys - nr_of_ghost_layers):
-            for x in range(nr_of_ghost_layers, xs - nr_of_ghost_layers):
-                if flag_field[x, y, z] & fluid_mask:
-                    for dirIdx in range(1, num_directions):
-                        dx = stencil[dirIdx,0]
-                        dy = stencil[dirIdx,1]
-                        dz = stencil[dirIdx,2]
-                        if flag_field[x + dx, y + dy, z + dz] & boundary_mask:
-                            boundary_index_list.append((x,y,z, dirIdx))
-    return boundary_index_list
-
-