@@ -57,7 +57,6 @@ def fast_2d_point_in_simplex(point, simplex, eps=1e-8):

 def point_in_simplex(point, simplex, eps=1e-8):

-    # simplex is list

     if len(point) == 2:

         return fast_2d_point_in_simplex(point, simplex, eps)

@@ -79,7 +78,7 @@ def fast_2d_circumcircle(points):

     Returns

     -------

     tuple

-        (center point : tuple(int), radius: int)

+        (center point : tuple(float), radius: float)

     """

     points = array(points)

     # transform to relative coordinates

@@ -115,7 +114,7 @@ def fast_3d_circumcircle(points):

     Returns

     -------

     tuple

-        (center point : tuple(int), radius: int)

+        (center point : tuple(float), radius: float)

     """

     points = array(points)

     pts = points[1:] - points[0]

@@ -258,7 +257,7 @@ def simplex_volume_in_embedding(vertices) -> float:

     vol_square = fast_det(sq_dists_mat) / coeff

     if vol_square < 0:

-        if abs(vol_square) < 1e-15:

+        if -1e-15 < vol_square < 1e-15:

             return 0

         raise ValueError("Provided vertices do not form a simplex")