Enhance lu_factor documentation
@@ -19,7 +19,8 @@ def lu_factor(a, overwrite_a=False, check_finite=True):
where ``P`` is a permutation matrix, ``L`` lower-triangular with
unit diagonal elements, and ``U`` upper-triangular matrix.
Note that in the current implementation ``a`` must be
- a real matrix, and only float32 and float64 are supported.
+ a real matrix, and only :class:`numpy.float32` and :class:`numpy.float64`
+ are supported.
Args:
a (cupy.ndarray): The input matrix with dimension ``(N, N)``
