a
    ReTv                     @   s,  d dl Z d dlZd dlZd dlmZmZmZmZm	Z	m
Z
 d dlmZ d dlZd dlmZmZmZmZmZmZmZmZmZmZmZmZ dd i fddZg dZdd	 Zd
d Zdd Zdd Z G dd dZ!G dd dZ"G dd dZ#G dd dZ$G dd dZ%dd Z&dd Z'dd Z(G d d! d!Z)dS )"    N)assert_almost_equalassert_array_equalassert_array_almost_equalassert_allcloseassert_equalassert_)raises)KroghInterpolatorkrogh_interpolateBarycentricInterpolatorbarycentric_interpolateapproximate_taylor_polynomialCubicHermiteSplinepchipPchipInterpolatorpchip_interpolateAkima1DInterpolatorCubicSplinemake_interp_splinec                 C   s  t jd g d}ttdt|d }||t|d  d t jjd|  |}t 	|}	| t
u rt jjd|  |}
| |||
fd|i||	}n| ||fd|i||	}|pd|jd |  | |j|d  dd   }t|j| |rd|jdkrd| t
u r>| t|t|t|
fd|i|t|	 n&| t|t|fd|i|t|	 |	jdkr|d u r|jd | dt|  |j|d  dd   }|td f||j  d  }||}t ||\}}t|| d S )	N  )r               r   r      axis r   )nprandomseedlistrangeleninsertZrand	transposezerosr   shaper   sizeslicendimreshapeZbroadcast_arraysr   )Zinterpolator_clsZx_shapeZy_shapederiv_shaper   
extra_argsxsyxidydxyiZtarget_shapeZbs_shapeZyvr   r   X/var/www/sunrise/env/lib/python3.9/site-packages/scipy/interpolate/tests/test_polyint.pycheck_shape   sD    

0
r7   )r   )r   r   )r   r      c                  C   s   dd } t ttttt| fD ]p}tD ]f}tD ]\}tt| t|D ]B}|tkr`t	|||d | qBdD ]}d|i}t	|||d || qdqBq*q"qd S )Nc                 S   s   t | ||dS Nr   )r   r0   r2   r   r   r   r6   
spl_interp?   s    ztest_shapes.<locals>.spl_interp)naturalclampedbc_type)
r	   r   r   r   r   r   SHAPESr$   r%   r7   )r<   ips1s2r   bcextrar   r   r6   test_shapes=   s    rF   c               	   C   sL   ddd} t D ]8}t D ].}tt| t|D ]}t| ||d| q.qqd S )Nr   c                 S   s   t | ||jS N)r	   derivativesr;   r   r   r6   krogh_derivsO   s    z(test_derivs_shapes.<locals>.krogh_derivsr   )r   r@   r$   r%   r7   )rI   rB   rC   r   r   r   r6   test_derivs_shapesN   s
    
rK   c                  C   s   ddd} ddd}ddd}ddd	}dd
d}d dd}d!dd}d"dd}d#dd}d$dd}	d%dd}
d&dd}| |||||||||	|
|fD ]B}t D ]8}t D ].}tt| t|D ]}t|||d| qqqqd S )'Nr   c                 S   s   t | ||jS rG   )r	   
derivativer;   r   r   r6   krogh_derivY   s    z&test_deriv_shapes.<locals>.krogh_derivc                 S   s   t | || S rG   r   rL   r;   r   r   r6   pchip_deriv\   s    z&test_deriv_shapes.<locals>.pchip_derivc                 S   s   t | ||dS Nr   rN   r;   r   r   r6   pchip_deriv2_   s    z'test_deriv_shapes.<locals>.pchip_deriv2c                 S   s   t | || S rG   r   antiderivativer;   r   r   r6   pchip_antiderivb   s    z*test_deriv_shapes.<locals>.pchip_antiderivc                 S   s   t | ||dS rP   rR   r;   r   r   r6   pchip_antideriv2e   s    z+test_deriv_shapes.<locals>.pchip_antideriv2c                 S   s   G dd dt }|| ||S )Nc                   @   s   e Zd Zdd ZdS )z9test_deriv_shapes.<locals>.pchip_deriv_inplace.<locals>.Pc                 S   s   t | |dS )Nr   )r   __call__)selfr0   r   r   r6   rV   j   s    zBtest_deriv_shapes.<locals>.pchip_deriv_inplace.<locals>.P.__call__N)__name__
__module____qualname__rV   r   r   r   r6   Pi   s   r[   )r   )r0   r2   r   r[   r   r   r6   pchip_deriv_inplaceh   s    z.test_deriv_shapes.<locals>.pchip_deriv_inplacec                 S   s   t | || S rG   )r   rL   r;   r   r   r6   akima_derivo   s    z&test_deriv_shapes.<locals>.akima_derivc                 S   s   t | || S rG   )r   rS   r;   r   r   r6   akima_antiderivr   s    z*test_deriv_shapes.<locals>.akima_antiderivc                 S   s   t | || S rG   )r   rL   r;   r   r   r6   cspline_derivu   s    z(test_deriv_shapes.<locals>.cspline_derivc                 S   s   t | || S rG   )r   rS   r;   r   r   r6   cspline_antiderivx   s    z,test_deriv_shapes.<locals>.cspline_antiderivc                 S   s   t | ||d S r9   )r   rL   r;   r   r   r6   
bspl_deriv{   s    z%test_deriv_shapes.<locals>.bspl_derivc                 S   s   t | ||d S r9   )r   rS   r;   r   r   r6   bspl_antideriv~   s    z)test_deriv_shapes.<locals>.bspl_antiderivr   )r   )r   )r   )r   )r   )r   )r   )r   )r   )r   )r   )r   rJ   )rM   rO   rQ   rT   rU   r\   r]   r^   r_   r`   ra   rb   rA   rB   rC   r   r   r   r6   test_deriv_shapesX   s(    











rc   c                  C   sp   g d} g d}t tttfD ]}|| |}t|||  qg d}t| ||}t|||  t||| d d S )Nr   r   r   r   )r   r                 ?r   )r   y             r   y              @r   )r	   r   r   r   r   r   )r0   r2   rA   pr4   r   r   r6   test_complex   s    
rg   c                   @   s   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'S )(	TestKroghc                 C   sB   t g d| _t ddd| _t ddd| _| | j| _d S N)r   r   r8   r   r   d   r8   r    Zpoly1d	true_polylinspacetest_xsxsysrW   r   r   r6   setup_method   s    zTestKrogh.setup_methodc                 C   s*   t | j| j}t| | j|| j d S rG   r	   rq   rr   r   rn   rp   rW   r[   r   r   r6   test_lagrange   s    zTestKrogh.test_lagrangec                 C   sF   t | j| j}t| d|d t| td|td d S N   )r	   rq   rr   r   rn   r    arrayrv   r   r   r6   test_scalar   s    zTestKrogh.test_scalarc                 C   sN   t | j| j}|| j}t|jd D ] }t| j	|| j||  q(d S )Nr   )
r	   rq   rr   rH   rp   r$   r)   r   rn   derivrW   r[   Dir   r   r6   test_derivatives   s    zTestKrogh.test_derivativesc                 C   sZ   t | j| j}|| jt| jd }t|jd D ] }t| j	
|| j||  q4d S )Nr   r   )r	   rq   rr   rH   rp   r%   r$   r)   r   rn   r|   r}   r   r   r6   test_low_derivatives   s    zTestKrogh.test_low_derivativesc                 C   sJ   t | j| j}d}|| j|}t|D ]}t|| j|||  q(d S )N
   )r	   rq   rr   rH   rp   r$   r   rL   )rW   r[   mrr   r   r   r6   test_derivative   s
    zTestKrogh.test_derivativec                 C   sR   t | j| j}tt| jdt| j D ]$}t|| j|t	t| j q(d S rP   )
r	   rq   rr   r$   r%   r   rL   rp   r    r(   )rW   r[   r   r   r   r6   test_high_derivative   s
    zTestKrogh.test_high_derivativec                 C   s*   t | j| j}t| | j|| j d S rG   ru   rv   r   r   r6   test_hermite   s    zTestKrogh.test_hermitec              	      s   g dt ddgddgddggt}fddtjd D }t ddd	 t| t  fd
d|D j t|	 t 
t  fdd|D d d S )Nr   r   r   r   r   r   c                    s"   g | ]}t  d d |f qS rG   )r	   .0r   )rq   rr   r   r6   
<listcomp>       z)TestKrogh.test_vector.<locals>.<listcomp>r   r   rl   c                    s   g | ]}| qS r   r   r   rf   rp   r   r6   r      r   c                    s   g | ]}|  qS r   )rH   r   r   r   r6   r      r   )r   r   r   )r    rz   r	   r$   r)   ro   r   asarrayTrH   r'   rW   r[   Pir   )rp   rq   rr   r6   test_vector   s    

zTestKrogh.test_vectorc                 C   s    t | j| j}t|g g  d S rG   )r	   rq   rr   r   rv   r   r   r6   
test_empty   s    zTestKrogh.test_emptyc                 C   sn   t | j| j}tt|dd tt|tdd tt|dgd tt|ddgd d S Nr   r   r   r   )r   )r	   rq   rr   r   r    r)   rz   rv   r   r   r6   test_shapes_scalarvalue   s
    z!TestKrogh.test_shapes_scalarvaluec                 C   s   t | j| j}|j}tt|d|f tt|td|f tt|dg|df tt|ddg|df d S )Nr   r   r   )	r	   rq   rr   nr   r    r)   rH   rz   rW   r[   r   r   r   r6   "test_shapes_scalarvalue_derivative   s    z,TestKrogh.test_shapes_scalarvalue_derivativec                 C   sb   t | jt| jtd}tt|dd tt|dgd tt|ddgd d S Nr   r   )r   )r   r   r   )r   r   )r	   rq   r    outerrr   aranger   r)   rv   r   r   r6   test_shapes_vectorvalue   s    z!TestKrogh.test_shapes_vectorvaluec                 C   s^   t | jt| jdg}tt|dd tt|dgd tt|ddgd d S Nr   r   r   )r   r   )r   r   )r	   rq   r    r   rr   r   r)   rv   r   r   r6   test_shapes_1d_vectorvalue   s    z$TestKrogh.test_shapes_1d_vectorvaluec                 C   s~   t | jt| jtd}|j}tt|	d|df tt|	dg|ddf tt|	ddg|ddf d S )Nr   r   r   r   )
r	   rq   r    r   rr   r   r   r   r)   rH   r   r   r   r6   "test_shapes_vectorvalue_derivative   s
    z,TestKrogh.test_shapes_vectorvalue_derivativec                 C   s   t | j| j}t}t|| j|| j| j| j t|| jd|| j| j| jdd t|| jd|| j| j| jddgd d S )Nr   Zderr   r   )r	   rq   rr   r
   r   rp   rL   rH   )rW   r[   Zkir   r   r6   test_wrapper   s    zTestKrogh.test_wrapperc                 C   sJ   g d}t g d}t||}tt||| ||d ddd d S )N)r      i  i  i  i  i|  i$	  i  i  i   i03  i`  )gffffffg닥ąg䑉g!p$ЀgV0޿gx*ZֿgDпg2]g H.g9Cg6D.gG/g?r   r   g|=atol)r    rz   r	   r   absrL   )rW   r0   Z
offset_cdffr   r   r6   test_int_inputs  s    
zTestKrogh.test_int_inputsc                 C   sl   t g dt g d }}t||}|d}t||jddt||jd  }t||dd d S )N)r   r   r   r   r   )r   re   r   r   re   r   re   V瞯<r   )r    rz   r	   rH   realimagr   )rW   r0   r2   funcZcmplxZcmplx2r   r   r6   test_derivatives_complex  s    

z"TestKrogh.test_derivatives_complexc                 C   sH   t jtdd& ttdtd W d    n1 s:0    Y  d S )Nz40 degrees provided,)match(   )pytestZwarnsUserWarningr	   r    r   Zonesrs   r   r   r6   test_high_degree_warning  s    z"TestKrogh.test_high_degree_warningN)rX   rY   rZ   rt   rw   r{   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r6   rh      s&   	
rh   c                   @   s   e Zd Zdd ZdS )
TestTaylorc                 C   sP   d}t tjd|dd}t|d D ]}t|dd | }q"t|dd d S )Nr8   r   r      )r   r    expr$   r   r|   )rW   Zdegreerf   r   r   r   r6   test_exponential  s    
zTestTaylor.test_exponentialN)rX   rY   rZ   r   r   r   r   r6   r     s   r   c                   @   st   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd ZdS )TestBarycentricc                 C   sB   t g d| _t ddd| _t ddd| _| | j| _d S ri   rm   rs   r   r   r6   rt   )  s    zTestBarycentric.setup_methodc                 C   s*   t | j| j}t| | j|| j d S rG   )r   rq   rr   r   rn   rp   rv   r   r   r6   rw   /  s    zTestBarycentric.test_lagrangec                 C   sF   t | j| j}t| d|d t| td|td d S rx   )r   rq   rr   r   rn   r    rz   rv   r   r   r6   r{   3  s    zTestBarycentric.test_scalarc                 C   s2   t | j}|| j t| | j|| j d S rG   )r   rq   Zset_yirr   r   rn   rp   rv   r   r   r6   test_delayed8  s    
zTestBarycentric.test_delayedc                 C   sZ   t | jd d | jd d }|| jdd  | jdd   t| | j|| j d S )Nr   )r   rq   rr   Zadd_xir   rn   rp   rv   r   r   r6   test_append=  s     zTestBarycentric.test_appendc                    s   g dt ddgddgddggt  } fddtjd D }t ddd	t|t fd
d|D j d S )Nr   r   r   r   c                    s"   g | ]} d d |f qS rG   r   r   )BIrq   rr   r   r6   r   G  r   z/TestBarycentric.test_vector.<locals>.<listcomp>r   r   rl   c                    s   g | ]}| qS r   r   r   r   r   r6   r   J  r   )	r    rz   r   r$   r)   ro   r   r   r   r   r   )r   rp   rq   rr   r6   r   B  s    
 zTestBarycentric.test_vectorc                 C   sn   t | j| j}tt|dd tt|tdd tt|dgd tt|ddgd d S r   )r   rq   rr   r   r    r)   rz   rv   r   r   r6   r   L  s
    z'TestBarycentric.test_shapes_scalarvaluec                 C   sb   t | jt| jtd}tt|dd tt|dgd tt|ddgd d S r   )r   rq   r    r   rr   r   r   r)   rv   r   r   r6   r   S  s    z'TestBarycentric.test_shapes_vectorvaluec                 C   s^   t | jt| jdg}tt|dd tt|dgd tt|ddgd d S r   )r   rq   r    r   rr   r   r)   rv   r   r   r6   r   Y  s    z*TestBarycentric.test_shapes_1d_vectorvaluec                 C   s4   t | j| j}t| j| j| j}t|| j| d S rG   )r   rq   rr   r   rp   r   )rW   r[   valuesr   r   r6   r   _  s    zTestBarycentric.test_wrapperc                 C   s6   dt dd }t dd}t||d}t|d d S )Ni  r      g     @g      #@)r    r   r   r   )rW   r0   r2   valuer   r   r6   test_int_inputd  s    zTestBarycentric.test_int_inputc                 C   s   d}t |d t j}t |t j | }d| }|d  d9  < |d  d9  < t|}|jd }t|jd|  | d S )Ni   r   r   r         ?r   )	r    r   Zastypefloat64cospir   Zwir   )rW   r   jr0   wr[   Zfactorr   r   r6   test_large_chebyshevj  s    	
z$TestBarycentric.test_large_chebyshevc                 C   s\   t ddgddg}tjdd ||j}W d    n1 s>0    Y  t||j  d S )Nr   r   r   raise)divide)r   r    Zerrstater3   r   r5   Zravel)rW   r[   r5   r   r   r6   test_warning  s    (zTestBarycentric.test_warningN)rX   rY   rZ   rt   rw   r{   r   r   r   r   r   r   r   r   r   r   r   r   r   r6   r   (  s   
r   c                   @   s^   e Zd ZdddZdd Zdd Zdd	 Zd
d Zdd Zdd Z	dd Z
dd Zdd ZdS )	TestPCHIP   c                 C   s:   t jd t t j|}t j|}t||||fS )Nr   )r    r!   r"   sortr   )rW   Znptsr3   r5   r   r   r6   _make_random  s    zTestPCHIP._make_randomc                 C   s   |   \}}}tt|d D ]x}|| ||d   }}|| ||d   }}||kr`|| }}t||d}	||	}
t||
d k|
|d k@   qd S )Nr   r   r   r   r$   r%   r    ro   r   allrW   rf   r3   r5   r   x1Zx2y1y2ZxpZypr   r   r6   test_overshoot  s    
zTestPCHIP.test_overshootc                 C   s   |   \}}}tt|d D ]r}|| ||d   }}|| ||d   }}t||d}	||	}
t|| |
dd  |
d d   dk  qd S )Nr   r   r   r   r   r   r   r6   test_monotone  s    zTestPCHIP.test_monotonec                 C   sh   t g dg dg}t d}t|d |d |}|d }t|d |d |}t||ddd d S )	N)
r   r         /   <   O   W   c   rl   )
r   irj   r      &   -   5   7   rl   r   r         ?+=)r   rtol)r    rz   r   r   r   )rW   dataxxZcurveZdata1Zcurve1r   r   r6   	test_cast  s    

zTestPCHIP.test_castc                 C   sz   d}t t|}t|d d df |d d df }d}t t|}t|d d df ||d d df ddd d S )Na  
          7.99   0.00000E+0
          8.09   0.27643E-4
          8.19   0.43750E-1
          8.70   0.16918E+0
          9.20   0.46943E+0
         10.00   0.94374E+0
         12.00   0.99864E+0
         15.00   0.99992E+0
         20.00   0.99999E+0
        r   r   a^  
           7.9900       0.0000
           9.1910       0.4640
          10.3920       0.9645
          11.5930       0.9965
          12.7940       0.9992
          13.9950       0.9998
          15.1960       0.9999
          16.3970       1.0000
          17.5980       1.0000
          18.7990       1.0000
          20.0000       1.0000
                g-C6
?r   r   )r    ZloadtxtioStringIOr   r   )rW   ZdataStrr   pchZ	resultStrresultr   r   r6   test_nag  s    "zTestPCHIP.test_nagc                 C   sp   t g d}t g d}t g d}t||t||fD ],}|d |d fD ]}t||ddk qRq>d S )N)r   g?g      ?gffffff?)皙uq@g     @@     @@     @)r   r   g     p@r   r   r   r   )r    rz   r   r   )rW   r0   r   r   pptr   r   r6   test_endslopes  s    zTestPCHIP.test_endslopesc                 C   sp   t d}t |}t $ td t||}W d    n1 sF0    Y  t ddd}t||d d S )Nr   errorr   	   e   r   )	r    r   Z
zeros_likewarningscatch_warningsfilterwarningsr   ro   r   )rW   r0   r2   r   r   r   r   r6   test_all_zeros  s    



(zTestPCHIP.test_all_zerosc                 C   s:   t ddd}tddgddg}t||d| dd d S )Nr   r   r   r   r   r   )r    ro   r   r   )rW   r0   rf   r   r   r6   test_two_points  s    zTestPCHIP.test_two_pointsc                 C   st   t tg dg ddgdddg t tg dg ddgdddg t tg dg ddgddgddgdgg d S )	Nr   r   r   )r   r8   r   r   r   r   r   r   g      @)r   r   rs   r   r   r6   test_pchip_interpolate  s    
z TestPCHIP.test_pchip_interpolatec                 C   s(   t ddgddg}| }t|d d S )Nr   r   r   r   )r   rootsr   )rW   rf   r   r   r   r6   
test_roots  s    zTestPCHIP.test_rootsN)r   )rX   rY   rZ   r   r   r   r   r   r   r   r   r   r   r   r   r   r6   r     s   

#
	r   c                   @   sb   e Zd ZedddZdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd ZdS )TestCubicSpline
not-a-knotr   c                 C   s  | j }| j}t|}||jd gdg|jd   }|dd }t|dddf |dddf |d  |dddf |d   |dddf |  |dddf  ||d t|dddf d|dddf  |d  d|dddf  |  |dddf  ||d t|dddf d|dddf  | |dddf  ||d |jdkr|dkr|dkrt|d d||d dS |d	krt| |d d| |d d||d t| |d d| |d d||d t| |d d| |d d||d dS |dkrj|jdkrP| |d | |d  |d  }t| |d d|||d nt|d
 |d ||d nn|dkrt| |d dd||d nH|dkrt| |d dd||d n"|\}	}
t| |d |	|
||d |dkrD|jdkr*| |d | |d  |d  }t| |d d|||d nt|d |d ||d nv|dkrjt| |d dd||d nP|dkrt| |d ddd| d| d n"|\}	}
t| |d |	|
||d dS )zVCheck that spline coefficients satisfy the continuity and boundary
        conditions.r   r   r   Nr   r   r   r  periodic)r   r   )r   r   r>   r=   )r   r   )r   rj   )	r0   cr    diffr-   r)   r,   r   r*   )Sbc_startbc_endtolr0   r  ZdxZdxiZslopeorderr   r   r   r6   check_correctness  sh    
">*6 
$$$
 


 

$z!TestCubicSpline.check_correctnessc                 C   s   t |j}||= t|}|d t|}|d dddd|fd|fg}|d d D ]"}t||||d}	| |	|| qZ|D ]4}
|D ]*}t||||
|fd}	| j|	|
|d	d
 qqd S )Nr   r   r  r=   r>   r   r   r   r?   g+=r	  )r#   r)   r    emptyfillr   r  )rW   r0   r2   r   r.   Zfirst_derivZsecond_derivZbc_allrD   r  r  r  r   r   r6   check_all_bcJ  s&    




zTestCubicSpline.check_all_bcc                 C   s   t g d}t g d}dd|jfD ]}| |d | |d | d t d|df}|d | |dd d df< |d | d |dd d df< |d | d |dd d df< |d | d |dd d df< | |d | |d q(d S )N)r   r   r   r   r   g      @g      @r   )r   g      r   r   g      @r   r   r   r   r   r   r   )r    rz   r*   r  r  )rW   r0   r2   r   Yr   r   r6   test_generala  s    zTestCubicSpline.test_generalc                 C   s   dD ]}t ddt j |}t |}t||dd}| |dd t d|df}||dd d df< |d |dd d df< |d |dd d df< |d |dd d df< t||ddd}| |dd qd S )	N)r   r   r8   r   r   r  r?   r   r8   r  )r    ro   r   r   r   r  r  )rW   r   r0   r2   r  r  r   r   r6   test_periodicn  s    
zTestCubicSpline.test_periodicc                 C   sP   t ddt j d}t |}t||dd}t|d|ddt j  dd d S )	Nr   r   r   r  r  r   r   )decimal)r    ro   r   r   r   r   rW   r0   r2   r  r   r   r6   test_periodic_eval}  s    
z"TestCubicSpline.test_periodic_evalc                 C   s>   t g d}t g d}t||ddd}| |dd d S )N)??gffffff? @@      @g333333@g@g@g      @g      @g      @g       @gffffff"@g      %@g&@g333333'@g      (@g333333)@g      *@g*@)r  g      ?g?r  r  g@g333333@g333333@gffffff @r        @gffffff@r  g333333?gffffff?r  gffffff?g333333?r   g?r  r  )r?   extrapolate)r    rz   r   r  r  r   r   r6   *test_second_derivative_continuity_gh_11758  s    z:TestCubicSpline.test_second_derivative_continuity_gh_11758c                 C   sZ   t g d}t g d}t||dd}| |dd t|d|t g d d S )N)r   g      @r  )r   g      .@r   r  r  r   )      Hr   r   )r    rz   r   r  r   rL   r  r   r   r6   test_three_points  s
    z!TestCubicSpline.test_three_pointsc                 C   s   t jg dtd}t jg dtd}t||}| | t g d}t||}| | t||d dd}| |dd	 t g d}t||d
dgd}| |d
d d S )N)r   r   r   r   )Zdtype)r   r   r   )y            ?r   y      ?      y      ?      r   )r=   r   y               @r  r=   r#  )r   y       @      ?)r   y      ?      )r    rz   intr   r  r  r   r   r6   test_dtypes  s    



zTestCubicSpline.test_dtypesc                 C   sJ   t jd}t |jdd}d|jdd }t||}| j|dd d S )Nr   rl   )r*   g     @gvIh%<=r  )r    r!   ZRandomStater   uniformr   r  )rW   rngr0   r2   r  r   r   r6   test_small_dx  s
    
zTestCubicSpline.test_small_dxc              	   C   s  t g d}t g d}t g d}t t jdddg}t g d}t t jdddg}g d}dg}dg}	ttt|| ttt|| ttt|| ttt|| ttt|| ttt|d d t jf | ttt||	 g d	}
|
D ]}ttt||d
|d qt j||f }d}ddg dff}ddd
d
ggff}ttt||d
|d ttt||d
|d ttt||d
|d ttt||d
dd d S )Nrd   )y      ?      ?r   r   r   r   r   r   )r   r   r   r   r   r   ))r  r>   ))r   r   )r   r   )r   r   )r   r   z
not-a-typor   T)r>   r)  r>   )r   r   r   r  )r    rz   nanassert_raises
ValueErrorr   ZnewaxisZc_)rW   r0   r2   ZxcZxnZxoZynZy3r   r   Zwrong_bcr?   r  Zbc1Zbc2Zbc3r   r   r6   test_incorrect_inputs  s6    z%TestCubicSpline.test_incorrect_inputsN)r  r  r   )rX   rY   rZ   staticmethodr  r  r  r  r  r  r!  r%  r(  r-  r   r   r   r6   r    s     ;	r  c                  C   sN   g d} g d}g d}t | ||}t|| |dd t|| d|dd d S )N)r   r   ry   )r   r   r   )r   r   ry   r   )r   r   )r   r   )r0   r2   r4   r1   r   r   r6   #test_CubicHermiteSpline_correctness  s    r/  c                  C   sH   g d} g d}g d}t tt| || ddtjg}t tt| || d S )Nr   )r   r   r8   )r   r   r   r   r   r   )r+  r,  r   r    r*  )r0   r2   r4   Zdydx_with_nanr   r   r6   &test_CubicHermiteSpline_error_handling  s    r0  c                  C   sd   t ddg} t ddg}t ddg}t| ||}|jdd}t|jjd	 d	 t|jd
 d S )NgMbP?gMb`?gBܻ>gdJ>g/"g%"T)r  r   r   )r    rz   r   r   r   r  r)   r*   )r0   r2   Zdyrf   r   r   r   r6   test_roots_extrapolate_gh_11185  s    r1  c                   @   s   e Zd Zejdededgejdg dejdg dejdee	gd	d
 Z
ejdededgejdg dejdeegdd ZdS )TestZeroSizeArraysr2   )r   r   r8   )r   r8   r   r?   )r  r  r=   r>   r   r   clsc           
      C   s   t d}t d}||||d}||jdks4J ||j|j|jdd   ksVJ t |d|}|||||d}|jd | |jf |j|d d   }	||jdksJ ||j|	ksJ d S )Nr   r   r  r   r   )r?   r   r    r   r*   r)   Zmoveaxis)
rW   r3  r2   r?   r   r0   xvalobjytshr   r   r6   test_zero_size   s    

"(z!TestZeroSizeArrays.test_zero_sizec           	      C   s   t d}t d}|||}||jdks0J ||j|j|jdd   ksRJ t |d|}||||d}|jd | |jf |j|d d   }||jdksJ ||j|ksJ d S )Nr   r   r   r   r:   r4  )	rW   r3  r2   r   r0   r5  r6  r7  r8  r   r   r6   test_zero_size_2  s    


"(z#TestZeroSizeArrays.test_zero_size_2N)rX   rY   rZ   r   markZparametrizer    r(   r   r   r9  r   r   r:  r   r   r   r6   r2    s   r2  )*r   r   numpyr    Znumpy.testingr   r   r   r   r   r   r   r   r+  Zscipy.interpolater	   r
   r   r   r   r   r   r   r   r   r   r   r7   r@   rF   rK   rc   rg   rh   r   r   r   r  r/  r0  r1  r2  r   r   r   r6   <module>   s2    8
'
2 
f M	
