extmath.py 文件源码

def _impose_f_order(X):
    """Helper Function"""
    # important to access flags instead of calling np.isfortran,
    # this catches corner cases.
    if X.flags.c_contiguous:
        return check_array(X.T, copy=False, order='F'), True
    else:
        return check_array(X, copy=False, order='F'), False