o
    iI                     @   s  d Z ddlZddlmZmZmZmZ ddlZddlmZ	 ddl
Zddl
mZmZ ddlmZmZ ddlmZmZmZmZ dd	 Zd
d Zdd Zdd ZG dd de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 G dd dZ!G d d! d!Z"dS )"zA
Unit tests for the basin hopping global minimization algorithm.
    N)assert_almost_equalassert_equalassert_assert_allclose)raises)cossin)basinhoppingOptimizeResult)StorageRandomDisplacement
MetropolisAdaptiveStepsizec                 C   sJ   t d|  d | d |   }tdtd|  d  d|   d }||fS )N      -@333333?皙?      -       @)r   nparrayr   xfZdf r   v/var/www/html/eduruby.in/lip-sync/lip-sync-env/lib/python3.10/site-packages/scipy/optimize/tests/test__basinhopping.pyfunc1d   s   &r   c                 C   s@   t d| d  d | d d | d   | d d | d   }|S )Nr   r   r      r   )r   )r   r   r   r   r   func2d_nograd   s   <r   c                 C   s   t d| d  d | d d | d   | d d | d   }td}dtd| d  d  d| d   d |d< d| d  d |d< ||fS )	Nr   r   r   r   r      r   r   )r   r   zerosr   r   r   r   r   func2d   s
   <
,r    c                 C   s   d| d d  d| d  | d   d| d d   d| d   }t d}d| d  d| d   d |d< d| d  d| d   |d< ||fS )Nr   r   r   r   g      @g      @)r   r   r   r   r   r   func2d_easyderiv%   s
   @
 r!   c                       s,   e Zd ZdZ fddZ fddZ  ZS )MyTakeStep1zfuse a copy of displace, but have it set a special parameter to
    make sure it's actually being used.c                    s   d| _ t   d S )NF)been_calledsuper__init__self	__class__r   r   r%   1   s   zMyTakeStep1.__init__c                    s   d| _ t |S )NT)r#   r$   __call__)r'   r   r(   r   r   r*   5   s   zMyTakeStep1.__call__)__name__
__module____qualname____doc__r%   r*   __classcell__r   r   r(   r   r"   .   s    r"   c                 C   s$   d}| t j| |t | 7 } | S )zwredo RandomDisplacement in function form without the attribute stepsize
    to make sure everything still works ok
          ?)r   randomuniformshape)r   sr   r   r   myTakeStep2:   s   r5   c                   @       e Zd ZdZdd Zdd ZdS )MyAcceptTestzpass a custom accept test

    This does nothing but make sure it's being used and ensure all the
    possible return values are accepted
    c              	   C   s4   d| _ d| _dddtdtdg i ddg	| _d S )NFr   zforce acceptTr   )r#   ncallsr   Zbool_testresr&   r   r   r   r%   I   s
   
zMyAcceptTest.__init__c                 K   s<   d| _ |  jd7  _| jd t| jk r| j| jd  S dS )NTr   )r#   r8   lenr9   )r'   kwargsr   r   r   r*   O   s
   zMyAcceptTest.__call__Nr+   r,   r-   r.   r%   r*   r   r   r   r   r7   C   s    r7   c                   @   r6   )
MyCallBackzpass a custom callback function

    This makes sure it's being used. It also returns True after 10
    steps to ensure that it's stopping early.

    c                 C   s   d| _ d| _d S )NFr   r#   r8   r&   r   r   r   r%   _   s   
zMyCallBack.__init__c                 C   s&   d| _ |  jd7  _| jdkrdS d S )NTr   
   r>   )r'   r   r   acceptedr   r   r   r*   c   s
   
zMyCallBack.__call__Nr<   r   r   r   r   r=   X   s    r=   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 )(TestBasinHoppingc                 C   sZ   dddgf| _ dtddgf| _d| _d| _d| _tjd dd	d
| _	ddi| _
dS )z] Tests setup.

        Run tests based on the 1-D and 2-D functions described above.
              ?g(\ȿg   d   Fi  L-BFGS-BTmethodjacrG   N)x0r   r   soltolniterdispr1   seedr;   kwargs_nogradr&   r   r   r   setup_methodl   s   zTestBasinHopping.setup_methodc                 C   s8   d}t ttt| j| dd t ttt| j| dd d S )Nr   )	take_step)accept_test)assert_raises	TypeErrorr	   r    rI   r'   ir   r   r   test_TypeError   s   
zTestBasinHopping.test_TypeErrorc                 C   s  d}t t|d tt| jd dd W d    n1 sw   Y  t t|d tt| jd dd W d    n1 s=w   Y  d}t t|d tt| jd dd W d    n1 s_w   Y  t t|d tt| jd dd W d    d S 1 sw   Y  d S )	Nz.target_accept_rate has to be in range \(0, 1\))matchr           )target_accept_raterB   z+stepwise_factor has to be in range \(0, 1\))Zstepwise_factor)rS   
ValueErrorr	   r   rI   )r'   msgr   r   r   test_input_validation   s   "z&TestBasinHopping.test_input_validationc                 C   <   d}t t| j| | j| j| jd}t|j| j| | j	 d S Nr   minimizer_kwargsrL   rM   
r	   r   rI   r;   rL   rM   r   r   rJ   rK   r'   rV   resr   r   r   test_1d_grad   s
   zTestBasinHopping.test_1d_gradc                 C   sJ   d}t t| j| | j| j| jd}t|j| j| | j	 t
|jdk d S )Nr   r`   r   )r	   r    rI   r;   rL   rM   r   r   rJ   rK   r   nfevrc   r   r   r   test_2d   s   zTestBasinHopping.test_2dc                 C   sR   d}| j  }d|d< tt| j| || j| jd}t|jdk t	|j|j
 d S )Nr   BFGSrG   r`   r   )r;   copyr	   r    rI   rL   rM   r   rf   r   Znjev)r'   rV   ra   rd   r   r   r   	test_njev   s   
zTestBasinHopping.test_njevc                 C   s`   | j  }d|d< ttddg|| j| jd}tt|jd t|j	\}}t
|jj|| j d S )Nrh   rG   rY   r`   rH   )r;   ri   r	   r!   rL   rM   r   hasattrZlowest_optimization_resultr   r   rH   rK   )r'   ra   rd   _Zjacobianr   r   r   test_jac   s   


zTestBasinHopping.test_jacc                 C   r^   )Nr   r`   )
r	   r   rI   rO   rL   rM   r   r   rJ   rK   rc   r   r   r   test_2d_nograd   s   zTestBasinHopping.test_2d_nogradc                 C   s`   d}g d}t  | j}|D ]}||d< tt| j| || j| jd}t|j| j	| | j
 qd S )Nr   )CGrh   z	Newton-CGrE   TNCSLSQPrG   r`   )ri   r;   r	   r    rI   rL   rM   r   r   rJ   rK   )r'   rV   methodsra   rG   rd   r   r   r   test_all_minimizers   s   z$TestBasinHopping.test_all_minimizersc                 C   sr   d}g d}t  | j}|D ](}||d< tt| j| || j| jd}| j}|dkr+d}t|j	| j
| |d qd S )Nr   )ro   rh   rE   rp   rq   zNelder-MeadZPowellCOBYLArG   r`   rt   r   )decimal)ri   rO   r	   r   rI   rL   rM   rK   r   r   rJ   )r'   rV   rr   ra   rG   rd   rK   r   r   r   test_all_nograd_minimizers   s   z+TestBasinHopping.test_all_nograd_minimizersc                 C   sb   t  }|j}d}tt| j| | j| j| j|d}t|j	| j
| | j t|j t||jk d S Nr   )ra   rL   rM   rQ   )r"   stepsizer	   r    rI   r;   rL   rM   r   r   rJ   rK   r   r#   )r'   takestepZinitial_step_sizerV   rd   r   r   r   test_pass_takestep   s   
z#TestBasinHopping.test_pass_takestepc                 C   sB   t }d}tt| j| | j| j| j|d}t|j| j	| | j
 d S rw   )r5   r	   r   rI   rO   rL   rM   r   r   rJ   rK   )r'   ry   rV   rd   r   r   r   test_pass_simple_takestep   s   z*TestBasinHopping.test_pass_simple_takestepc                 C   s6   t  }d}tt| j| | jd| j|d t|j d S )Nr   r?   )ra   rL   rM   rR   )r7   r	   r    rI   r;   rM   r   r#   )r'   rR   rV   r   r   r   test_pass_accept_test   s   z&TestBasinHopping.test_pass_accept_testc                 C   sT   t  }d}tt| j| | jd| j|d}t|j td|jd v  t	|j
d d S )Nr      )ra   rL   rM   callbackr~   r   	   )r=   r	   r    rI   r;   rM   r   r#   messager   nit)r'   r~   rV   rd   r   r   r   test_pass_callback  s   
z#TestBasinHopping.test_pass_callbackc                 C   sN   d}t dd| jd< d| _tt| j| | j| j| jd}t|jd |j	 d S )Nr   r   )maxiteroptionsr?   r`   )
dictr;   rL   r	   r    rI   rM   r   r   Zminimization_failuresrc   r   r   r   test_minimizer_fail  s   z$TestBasinHopping.test_minimizer_failc                 C   s$   d}t t| j| | jd| jd d S r_   )r	   r   rI   r;   rM   rU   r   r   r   test_niter_zero&  s   
z TestBasinHopping.test_niter_zeroc                    st   ddd}g   fdd}t tddg|d|dd g fd	d
}t tddg|d|dd tt t d S )NrE   TrF   c                         | d S Nappendr   r   r@   )f_1r   r   r~   2     z<TestBasinHopping.test_seed_reproducibility.<locals>.callbackrB   r?   )ra   rL   r~   rN   c                    r   r   r   r   )f_2r   r   	callback2:  r   z=TestBasinHopping.test_seed_reproducibility.<locals>.callback2)r	   r    r   r   r   )r'   ra   r~   r   r   )r   r   r   test_seed_reproducibility,  s   
z*TestBasinHopping.test_seed_reproducibilityc                 C   s`   t jd}ddd}ttddg|d|d}t jd}ttddg|d|d}t|j|j d S )Nr   rE   TrF   rB   r?   )ra   rL   rN   )r   r1   Zdefault_rngr	   r    r   r   )r'   rngra   Zres1Zres2r   r   r   test_random_genA  s   


z TestBasinHopping.test_random_genc                 C   s>   d}t t| j| | j| j| jdd}t|j| j| | j	 d S )Nr   )ra   rL   rM   Trb   rc   r   r   r   test_monotonic_basin_hoppingQ  s
   
z-TestBasinHopping.test_monotonic_basin_hoppingN)r+   r,   r-   rP   rW   r]   re   rg   rj   rm   rn   rs   rv   rz   r{   r|   r   r   r   r   r   r   r   r   r   r   rA   j   s(    

rA   c                   @   s6   e Zd Zdd Zdd Zejdddgdd	 Zd
S )Test_Storagec                 C   s:   t d| _d| _tdd}| j|_| j|_t|| _d S )Nr   r   Tsuccess)	r   r   rI   f0r
   r   funr   storage)r'   minresr   r   r   rP   Z  s   
zTest_Storage.setup_methodc                 C   sb   t dd}| jd |_| jd |_| j|}| j }t| j|j t| j|j t	|  d S )NTr   r   )
r
   rI   r   r   r   r   update
get_lowestr   r   )r'   
new_minresretr   r   r   r   test_higher_f_rejectedd  s   

z#Test_Storage.test_higher_f_rejectedr   TFc                 C   sp   t |d}| jd |_| jd |_| j|}| j }| j|jk|ks&J | j|jk|ks0J ||u s6J d S )Nr   r   )r
   rI   r   r   r   r   r   r   )r'   r   r   r   r   r   r   r   test_lower_f_acceptedo  s   

z"Test_Storage.test_lower_f_acceptedN)	r+   r,   r-   rP   r   pytestmarkZparametrizer   r   r   r   r   r   Y  s
    
r   c                   @   s   e Zd Zdd Zdd ZdS )Test_RandomDisplacementc                 C   s.   d| _ t| j d| _d| _t| jg| _d S )NrB   rx   i )rx   r   displaceNr   r   rI   r&   r   r   r   rP   }  s   z$Test_RandomDisplacement.setup_methodc                 C   sF   |  | j}d| j d d }tt|dd tt||d d S )Nr   r      rY   r   )r   rI   rx   r   r   meanvar)r'   r   vr   r   r   test_random  s   z#Test_RandomDisplacement.test_randomN)r+   r,   r-   rP   r   r   r   r   r   r   |  s    r   c                   @   sL   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S )Test_Metropolisc                 C   s2   d| _ t| j | _tddd| _tddd| _d S )Nr   TrY   r   r   rB   )r   r   metr
   res_newres_oldr&   r   r   r   rP     s   zTest_Metropolis.setup_methodc                 C   s$   | j | j| jd}t|tsJ d S Nr   r   )r   r   r   
isinstancebool)r'   r   r   r   r   test_boolean_return  s   z#Test_Metropolis.test_boolean_returnc                 C   s   t | j| j| jd d S r   )r   r   r   r   r&   r   r   r   r     s   z%Test_Metropolis.test_lower_f_acceptedc                 C   sj   d}d}t dD ]"}|r|r ntddd}tddd}| j||d}|r(d}qd}qt| t| d S )NFi  TrB   r   r0   r   )ranger
   r   r   )r'   Z
one_acceptZ
one_rejectrV   r   r   r   r   r   r   test_accept  s   zTest_Metropolis.test_acceptc                 C   s`   t d}tddd}tddd}tjdd |j||d W d    d S 1 s)w   Y  d S )	Nr   TrY   r   i  raise)Zoverr   )r   r
   r   ZerrstateZaccept_rejectr'   r   r   r   r   r   r   test_GH7495  s   "zTest_Metropolis.test_GH7495c                    sX   dd  d}dd fdddf}t  |d	d
|id}|js"J t|jdd d S )Nc                 S   s   | d d d | d d  S )Nr      r   r   r   r   r   func  s   z)Test_Metropolis.test_gh7799.<locals>.func2   Zineqc                    s    |  S r   r   r   r   limitr   r   <lambda>  s    z-Test_Metropolis.test_gh7799.<locals>.<lambda>typer   r}   constraints)ra   gư>)Zrtol)r	   r   r   r   )r'   rI   conrd   r   r   r   test_gh7799  s   
zTest_Metropolis.test_gh7799c                 C   s`   t d}tddd}tddd}|||dsJ d|_|||dr#J d|_|||ds.J d S )Nr   TrY   r   rB   r   F)r   r
   r   r   r   r   r   test_accept_gh7799  s   z"Test_Metropolis.test_accept_gh7799c                 C   sH   dd }dd }d|dddgdd	}t |d
dgd|d}|jr"J d S )Nc                 S   s   | |  S r   r   r   r   r   r   r        z3Test_Metropolis.test_reject_all_gh7799.<locals>.func                 S   s   | d S )Nr   r   r   r   r   r   
constraint  r   z:Test_Metropolis.test_reject_all_gh7799.<locals>.constrainteqr   )r   r   Zslsqp)r   ZboundsrG   r   rC   r?   )rI   rL   ra   )r	   r   )r'   r   r   r;   rd   r   r   r   test_reject_all_gh7799  s   z&Test_Metropolis.test_reject_all_gh7799N)r+   r,   r-   rP   r   r   r   r   r   r   r   r   r   r   r   r     s    	r   c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )Test_AdaptiveStepsizec                 C   s2   d| _ t| j d| _d| _t| jd| jd| _d S )NrB   r   r0   F)ry   verboseZaccept_rate)rx   r   tsrZ   r   ry   r&   r   r   r   rP     s   z"Test_AdaptiveStepsize.setup_methodc                 C   sX   d}|  | | j d t| j jD ]}|  | | j d qt| jj| jk d S )NrY   FTry   reportr   intervalr   r   rx   r'   r   rV   r   r   r   test_adaptive_increase     

z,Test_AdaptiveStepsize.test_adaptive_increasec                 C   sX   d}|  | | j d t| j jD ]}|  | | j d qt| jj| jk  d S )NrY   TFr   r   r   r   r   test_adaptive_decrease  r   z,Test_AdaptiveStepsize.test_adaptive_decreasec                 C   sF   d}t | jjd D ]}| | | jd q
t| jj| jk d S )NrY   r   Tr   ry   r   r   r   r   rx   r   r   r   r   test_all_accepted  
   
z'Test_AdaptiveStepsize.test_all_acceptedc                 C   sF   d}t | jjd D ]}| | | jd q
t| jj| jk  d S )NrY   r   Fr   r   r   r   r   test_all_rejected  r   z'Test_AdaptiveStepsize.test_all_rejectedN)r+   r,   r-   rP   r   r   r   r   r   r   r   r   r     s    

r   )#r.   ri   Znumpy.testingr   r   r   r   r   r   rS   numpyr   r   r   Zscipy.optimizer	   r
   Zscipy.optimize._basinhoppingr   r   r   r   r   r   r    r!   r"   r5   r7   r=   rA   r   r   r   r   r   r   r   r   <module>   s.    		 p#V