remove unused function

bfps/tools.py

@@ -136,45 +136,6 @@ def padd_with_zeros(
     b[n1-m1//2:     , n0-m0//2:     , :m2//2+1] = a[m1-m1//2:     , m0-m0//2:     , :m2//2+1]
     return b
 
-def _get_kindices(
-        n = 64):
-    nx = n
-    nz = n
-    kx = np.arange(0, nx//2+1, 1).astype(np.float)
-    kvals = []
-    radii = set([])
-    index = []
-    for iz in range(1, kx.shape[0]):
-        for ix in range(1, kx.shape[0]):
-            kval = (kx[iz]**2+kx[ix]**2)**.5
-            tmp = math.modf(kval)
-            if (tmp[0] == 0 and tmp[1] <= nx//2):
-                kvals.append([kx[iz], kx[ix]])
-                radii.add(math.floor(kval))
-                index.append([ix, iz])
-
-    kvals = np.array(kvals)
-    index = np.array(index)
-    new_kvals = []
-    ordered_kvals = []
-    radius_vals = []
-    ii = []
-    for r in radii:
-        ncircle = np.count_nonzero((kvals[:, 0]**2 + kvals[:, 1]**2)**.5 == r)
-        indices = np.where((kvals[:, 0]**2 + kvals[:, 1]**2)**.5 == r)[0]
-        if ncircle > 2:
-            ordered_kvals.append(kvals[indices])
-            new_kvals += list(kvals[indices])
-            radius_vals.append(r)
-            ii += list(index[indices])
-    ii = np.array(ii)
-    good_indices = np.where(ii[:, 1] > 0)[0]
-    i1 = (kx.shape[0] - 1)*2 - ii[good_indices, 1]
-    i0 = ii[good_indices, 0]
-    i1 = np.concatenate((ii[:, 1], i1)),
-    i0 = np.concatenate((ii[:, 0], i0)),
-    return np.vstack((i0, i1)).T.copy()
-
 try:
     import sympy as sp
     rational0 = sp.Rational(0)