
    Yh{	                     
   d Z ddlZddlZddlmZ ddlmZ ej        j	        Z	 e	dddg          gZ
d	 ZddZej                            dg d          ej                            dg d          d                         ZdS )zTests for spline filtering.    N)assert_almost_equal)ndimageTcupyz	jax.numpy)cpu_only
exceptionsc                 8    dgdgddgddgg dg dd}||          S )z0Knot values to the right of a B-spline's center.         )   L   r	   )B      r	   r   r	         r       )orderknot_valuess     r/var/www/tools.fuzzalab.pt/emblema-extractor/venv/lib/python3.11/site-packages/scipy/ndimage/tests/test_splines.pyget_spline_knot_valuesr      sA    cc!f!f"ll!kk# #K u    mirrorc                    t          |          }t          j        ||f          }t          |          D ]<\  }}t          j        ||          }|dk    r||||f<   (|||||z
  f<   ||||z
  |f<   =|d         dt          |dd                   z  z   }	|dk    rd\  }
}n*|dk    rd\  }
}n|d	k    rd
\  }
}nt          d|           t          t          |          dz
            D ]Z}t          ||dz   d                   D ]=\  }}|||
||z  z   fxx         |z  cc<   || dz
  |
 dz
  ||z  z
  fxx         |z  cc<   >[| 	                    ||	z            S )z1Matrix to invert to find the spline coefficients.r   r   r	   Nr   )r	   r	   reflect)r   r	   	grid-wrap)r   zunsupported mode )
r   npzeros	enumeratearangesum
ValueErrorrangelenasarray)xpnr   moder   matrixdiag
knot_valueindicesknot_values_sumstartsteprowidxs                 r   make_spline_knot_matrixr4      s   (//K Xq!fF%k22 9 9j)D!$$199'1F7G#$$.8F7GdN*+.8F7T>7*++!!nq3{122+?+?'??Oxtt			tt			tt3T33444S%%)** B B(S1WXX)>?? 	B 	BOC3S(()))Z7)))C4!8eVaZ$s(22333zA3333	B ::f.///r   r   r   r*   )r   r   r   c                    d}|                     ||j                  }t          j        |d| |          }t          j        |d| |          }t	          ||| |          }t          |||z             t          |||j        z             d S )Nd   )dtyper   )axisr   r*   r	   )r*   )eyefloat64r   spline_filter1dr4   r   T)r   r*   r(   r)   r9   spline_filter_axis_0spline_filter_axis_1r+   s           r   %test_spline_filter_vs_matrix_solutionr?   ;   s     	A
&&"*&
%
%C"23Qe8<> > >"23Qe8<> > >$RE===F1F:;;;1FH<=====r   )r   )__doc__pytestnumpyr   scipy._lib._array_apir   scipyr   markskip_xp_backends
pytestmarkr   r4   parametrizer?   r   r   r   <module>rI      s    ! !      5 5 5 5 5 5      ;/ &+9NOOOP
	 	 	0 0 0 0D "4"4"455!C!C!CDD	> 	> ED 65	> 	> 	>r   