
    i                    .    d dl mZ d dlmZ d dlZdd
ZdS )    )annotations)SequenceNlabeled_points Sequence[tuple[str, np.ndarray]]samples_per_segmentintreturn4tuple[np.ndarray, np.ndarray, np.ndarray, list[str]]c           	     P   t          |           dk     rt          d          t          dt          |                    }g }g }dg}| d         d         g}d}d }t	          t          |           dz
            D ]}	| |	         \  }
}| |	dz            \  }}t	          |          D ]}|	dk    r|dk    r||dz
  z  }d|z
  |z  ||z  z   }|d}n2|t          t          j                            ||z
                      z  }|	                    |           |	                    |           |}|	                    |           |	                    |           t          j
        |t
                    t          j
        |t
                    t          j
        |t
                    |fS )N   z(At least two labeled points are requiredg        r      g      ?)dtype)len
ValueErrormaxr   rangefloatnplinalgnormappendasarray)r   r   samplesk_points	distancestick_positionstick_labels
cumulative
previous_ksegment_index_start	end_labelend
step_indexalpha	current_ks                    /D:\ml\projects\myproj\tight binding\tb\kpath.pysample_k_pathr)      s    >QCDDD!S,--..G!#HI#&%N,Q/23KJ$(Js>22Q677 & &!-05'(9:	3.. 	# 	#Jq  Z1__'A+.Eu-;I! 

eBINN9z3I$J$JKKK
OOI&&&Z((("JJj)))9%%%% 	
85)))

9E***

>///	     )r   r   r   r   r	   r
   )
__future__r   typingr   numpyr   r)    r*   r(   <module>r/      sS    " " " " " "          , , , , , ,r*   