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r@ rA g &@g �&@g '@g �'@g (@g �(@g )@g �)@g *@g �?g �?g �?g �?g @g @g @g @g @)r r )r r rB )r Zder) r r r rC r4 r. rD r1 r2 r3 )r5 rE rF rG rQ r r r �test_interpolate_akima� s z0TestSeriesInterpolateData.test_interpolate_akimac C s� t ddddg�}t ddddd d d d d g tdddddddddg �d�}|j�tddddddg���t�}|�|�jdd�}t� |dd� |� d S ) Nr% r? r@ rA g &@g �&@g '@g �'@g (@g �(@g )@g �)@g *@g �?g �?g �?g �?g @g @g @g @g @)r r )r r rB ) r r r rC r4 r. rD r1 r2 r3 )r5 rE rF rG rQ r r r �%test_interpolate_piecewise_polynomial� s z?TestSeriesInterpolateData.test_interpolate_piecewise_polynomialc C s� t ddddg�}t ddddd d d d d g tdddddddddg �d�}|j�tddddddg���t�}|�|�jdd�}t� |dd� |� d S ) Nr% r? r@ rA g &@g �&@g '@g �'@g (@g �(@g )@g �)@g *@g �?g �?g �?g �?g @g @g @g @g @)r r )r r rB ) r r r rC r4 r. rD r1 r2 r3 )r5 rE rF rG rQ r r r �!test_interpolate_from_derivatives� s z;TestSeriesInterpolateData.test_interpolate_from_derivativesr r r )r r )Zmarksc C sL t tjtjg�}t�|jf |�|� t g td��� }t�|jf |�|� d S )N)r# )r r+ �nanr2 r3 r1 �object)r5 r �sr r r �test_interpolate_corners� s z2TestSeriesInterpolateData.test_interpolate_cornersc C s� t tjt�tj�d��d�}tj�d�|d d d�< |jj� t �}|j dd�}|� � }t |j�}| }t t�|| || |j| �|j| d�}t�|| |� |j dd�}t�||� t�|| |� d S )N� )r r% rB r )r r )r r+ rV rN rO Zrand�randnr r r4 r. r1 r/ r Zinterpr2 r3 )r5 rX �valsrH rF �badZgoodZ other_resultr r r � test_interpolate_index_values� s ( z7TestSeriesInterpolateData.test_interpolate_index_valuesc C sH t ddtjtjtjdg�}d}tjt|d�� |jdd� W d Q R X d S )Nr rB r? 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g �?g @g @g @g &@r r8 )r �limit)r r+ rV r1 r2 r3 )r5 rX rF rH r r r �test_interp_limit9 s z+TestSeriesInterpolateData.test_interp_limitrl ���r c C sN t ddtjdg�}|\}}tjtdd�� |jf ||d�|�� W d Q R X d S )Nr r8 ra z Limit must be greater than 0)r9 )rl r )r r+ rV r: r; r< r1 )r5 r rl rX r r r r r �*test_interpolate_invalid_nonpositive_limit@ s zDTestSeriesInterpolateData.test_interpolate_invalid_nonpositive_limitc C sR t ddtjdg�}|\}}d}tjtdd�� |jf ||d�|�� W d Q R X d S )Nr r8 ra g @zLimit must be an integer)r9 )rl r )r r+ rV r: r; r< r1 )r5 r rX r r rl r r r �$test_interpolate_invalid_float_limitH s z>TestSeriesInterpolateData.test_interpolate_invalid_float_limit�invalid_methodNZnonexistent_methodc C sv t ddtjdtjdg�}d|� d�}tjt|d�� |j|d� W d Q R X tjt|d�� |j|d d � W d Q R X d S ) Nr rB r@ rj z method must be one of.* Got 'z ' instead)r9 )r rn )r rl )r r+ rV r: r; r< r1 )r5 rq rX r= r r r �test_interp_invalid_methodP s z4TestSeriesInterpolateData.test_interp_invalid_methodc C sH t ddtjdtjdg�}d}tjt|d�� |jddd� W d Q R X d S ) Nr rB r@ rj z&Cannot pass both fill_value and method)r9 �pad)Z fill_valuer )r r+ rV r: r; r< r1 )r5 rE r= r r r �$test_interp_invalid_method_and_value] s z>TestSeriesInterpolateData.test_interp_invalid_method_and_valuec C sl t ddtjtjtjdg�}t ddddtjdg�}|jd d d d �}t�||� |jd d d d �}t�||� d S )Nr rB r? g �?g @g @g @g &@r r8 �forward)r rl �limit_directionZFORWARD)r r+ rV r1 r2 r3 )r5 rX rF rH r r r �test_interp_limit_forwarde s z3TestSeriesInterpolateData.test_interp_limit_forwardc C s� t tjddtjtjtjdtjg�}t ddddddddg�}|jddd �}t�||� t tjdddddddg�}|jdd d �}t�||� t dddddddtjg�}|jdd d �}t�||� d S ) Ng �?g @g &@g @g @g "@r �both)r rv ru �backward)r r+ rV r1 r2 r3 )r5 rX rF rH r r r �test_interp_unlimitedq s " z/TestSeriesInterpolateData.test_interp_unlimitedc C st t ddtjtjtjdg�}d}tjt|d�� |jdddd � W d Q R X tjt|d�� |jddd � W d Q R X d S ) Nr rB r? zVInvalid limit_direction: expecting one of \['forward', 'backward', 'both'\], got 'abc')r9 r r8 �abc)r rl rv )r rv )r r+ rV r: r; r< r1 )r5 rX r= r r r � test_interp_limit_bad_direction� s z9TestSeriesInterpolateData.test_interp_limit_bad_directionc C s t tjtjdtjtjtjdtjtjg �}t tjtjdddddtjtjg �}|jdd d �}t�||� t tjtjddtjtjdtjtjg �}|jdd d d �}t�||� t tjtjddtjddtjtjg �}|jdd d d d�}t�||� t tjtjdtjtjtjdddg �}|jddd �}t�||� t tjtjdtjtjtjddtjg �}|jddd d �}t�||� t tjddtjtjtjddtjg �}|jddd d d�}t�||� t dddtjtjtjdtjtjg �}|jdddd�}t�||� d}tjt|d�� |jddd � W d Q R X d S )NrB � g @g @g @g @g @r �inside)r � limit_arear )r r rl rx )r r rv rl �outsidery )r r rv zEInvalid limit_area: expecting one of \['inside', 'outside'\], got abc)r9 r{ ) r r+ rV r1 r2 r3 r: r; r< )r5 rX rF rH r= r r r �test_interp_limit_area� s< (" $ $ $ $ $ $ z0TestSeriesInterpolateData.test_interp_limit_areaz!method, limit_direction, expected)rs ry ru )�ffillry ru )�backfillru ry )�bfillru ry )rs rx ru )r� rx ru )r� rx ry )r� rx ry c C sL t dddg�}d|� d|� d�}tjt|d�� |j||d� W d Q R X d S ) Nr r8 rB z`limit_direction` must be 'z' for method `�`)r9 )r rv )r r: r; r< r1 )r5 r rv rF rX r= r r r �"test_interp_limit_direction_raises� s z<TestSeriesInterpolateData.test_interp_limit_direction_raiseszdata, expected_data, kwargsrB r} g @g @rs r~ )r r )r r rl r� r$ c C s, t |�}t |�}|jf |�}t�||� d S )N)r r1 r2 r3 )r5 �data� expected_datar rX rF rH r r r � test_interp_limit_area_with_pad� s & z9TestSeriesInterpolateData.test_interp_limit_area_with_padr� c C s, t |�}t |�}|jf |�}t�||� d S )N)r r1 r2 r3 )r5 r� r� r rX rF rH r r r �$test_interp_limit_area_with_backfill� s z>TestSeriesInterpolateData.test_interp_limit_area_with_backfillc C s" t ddtjtjtjdg�}t ddtjdddg�}|jd d d d �}t�||� t ddd tjddg�}|jd ddd �}t�||� t ddtjtjtjddtjtjdtjg �}t dddd dddddddg �}|jd d dd �}t�||� t dddtjdddddddg �}|jd ddd �}t�||� d S )Nr rB r? g �?g @g @g "@g &@r r8 ry )r rl rv g @rx r} rb r@ g @g @g $@g (@)r r+ rV r1 r2 r3 )r5 rX rF rH r r r �test_interp_limit_direction s * z5TestSeriesInterpolateData.test_interp_limit_directionc C s� t tjtjdddtjg�}t dddddtjg�}|jddd d �}t�||� t ddddddg�}|jddd d �}t�||� d S ) Nr$ r} rb g @g @g "@r r8 ry )r rl rv rx )r r+ rV r1 r2 r3 )r5 rX rF rH r r r �test_interp_limit_to_ends8 s z3TestSeriesInterpolateData.test_interp_limit_to_endsc C s� t tjtjddtjtjg�}t tjtjdddtjg�}|jdddd�}t�||� t tjdddtjtjg�}|jddd d�}t�||� t tjddddtjg�}|jddd d�}t�||� d S ) Nr$ r} g @g @r r ru )r rl rv ry rx )r r+ rV r1 r2 r3 )r5 rX rF rH r r r � test_interp_limit_before_endsD s z7TestSeriesInterpolateData.test_interp_limit_before_endsc C s@ t dddg�}|jddd�}t�||� |�� }t�||� d S )Nr r8 rB r )r r )r r1 r2 r3 )r5 rX rH r r r �test_interp_all_goodT s z.TestSeriesInterpolateData.test_interp_all_good� check_scipyFTc C s~ t �dddg�}tddtjg|d�}|�� }d|jd< |�� }t� ||� d}|rzt j t |d�� |jd dd � W d Q R X d S ) N)r �a)r �b)r8 �cr r8 )r z?Only `method=linear` interpolation is supported on MultiIndexes)r9 r )r r ) r � from_tuplesr r+ rV r/ �locr1 r2 r3 r: r; r< )r5 r� �idxrX rF rH r= r r r �test_interp_multiIndex^ s z0TestSeriesInterpolateData.test_interp_multiIndexc C sH t dtjdgdddgd�}d}tjt|d�� |jdd � W d Q R X d S ) Nr rB r r8 )r z8krogh interpolation requires that the index be monotonic)r9 r )r )r r+ rV r: r; r< r1 )r5 rX r= r r r �test_interp_nonmono_raiseo s z3TestSeriesInterpolateData.test_interp_nonmono_raiser r c C sV t dtjdgtdd|d�d�}|j|d�}t dddgtdd|d�d�}t�||� d S ) Nr rB z1/1/2000)�periods�tz)r )r g �?g @)r r+ rV r r1 r2 r3 )r5 r Ztz_naive_fixture�dfrH rF r r r �test_interp_datetime64v s z0TestSeriesInterpolateData.test_interp_datetime64c C sP t dddd�}t|�}tj|d< |jdd�}t|�}|d |d< t�||� d S ) Nz 2015-04-05rB z US/Central)r� r� r rs )r r )r r �pdZNaTr1 r2 r3 )r5 ZdtirE rH rF r r r �#test_interp_pad_datetime64tz_values� s z=TestSeriesInterpolateData.test_interp_pad_datetime64tz_valuesc C s. t dddg�}|jdd�}|}t�||� d S )Ng �?g @g @r )rl )r r1 r2 r3 )r5 rX rH rF r r r �test_interp_limit_no_nans� s z3TestSeriesInterpolateData.test_interp_limit_no_nansr c C s@ t ddtjdg�}d}tjt|d�� |j|d� W d Q R X d S )Nr r rB z6You must specify the order of the spline or polynomial)r9 )r )r r+ rV r: r; r< r1 )r5 r rX r= r r r � test_no_order� s z'TestSeriesInterpolateData.test_no_orderr g �g c C sB t ddtjdg�}d}tjt|d�� |jd|d� W d Q R X d S )Nr r rB z.order needs to be specified and greater than 0)r9 r )r r )r r+ rV r: r; r< r1 )r5 r rX r= r r r �%test_interpolate_spline_invalid_order� s z?TestSeriesInterpolateData.test_interpolate_spline_invalid_orderc C sN t ddtjddtjdg�}|jddd�}t dd d d d d dg�}t�||� d S )Nr r8 ra r$ r} r )r r g �?g @g @g @g @g @g @)r r+ rV r1 r2 r3 )r5 rX rH rF r r r � test_spline� s z%TestSeriesInterpolateData.test_splinec C s� t ddddtjdtjg�}|jdddd�}t dd d d d d d g�}t�||� |jdddd�}t dd d d d d dg�}t�||� d S )Nr r8 rB ra � r )r r �extg �?g @g @g @g @g @r g @)r r+ rV r1 r2 r3 )r5 rX Zresult3Z expected3�result1� expected1r r r �test_spline_extrapolate� s z1TestSeriesInterpolateData.test_spline_extrapolatec C sH t ddtjddtjdg�}|jdddd �d |jddd �d ksDt�d S ) Nr r8 ra gffffff@r} r rB r )r r rX r$ )r r )r r+ rV r1 �AssertionError)r5 rX r r r �test_spline_smooth� s z,TestSeriesInterpolateData.test_spline_smoothc C sT t t�d�d �}tj|tj�ddd�< |jddd�}|jddd�}t�||� d S ) Nr% r8 r rb rB r r )r r ) r r+ r, rV rO �randintr1 r2 r3 )r5 rX r� r� r r r �test_spline_interpolation� s z3TestSeriesInterpolateData.test_spline_interpolationc C s� t dtjdgt�dddg�d�}|jdd�}t ddd gt�dddg�d�}t�||� t dtjdgt�ddd g�d�}|jdd�}t dd d gt�ddd g�d�}t�||� d S ) Nr rB r8 )r r* )r g �?g @g @ra g�(%���?)r r+ rV r� Z to_timedeltar1 r2 r3 )r5 r� rH rF r r r �test_interp_timedelta64� s z1TestSeriesInterpolateData.test_interp_timedelta64c C sZ t dddd�}ttj�t|��|d�}tj|d d d�< |jdd�}|�� }t� ||� d S ) Nz1/1/2000z 1/20/2000�D)�freq)r r8 r )r ) r r r+ rO r[ r- rV r1 r2 r3 )r5 �rngr6 rH �expr r r �%test_series_interpolate_method_values� s z?TestSeriesInterpolateData.test_series_interpolate_method_valuesc C s� t dddd�}tddddg|�}|�|tjd d � ��� }|�|�jd d �}t ddd d�}tddddg|�}|�|tjd d� ��� }|�|�jd d �}t� |j |j � d S )Nz1/1/2012ra Z12D)r� r� r r@ � �$ r )�daysr* )r Z12H)�hours) r r �appendr� Z DateOffsetZ sort_valuesrD r1 r2 Zassert_numpy_array_equalr )r5 r r6 rG r� rH r r r � test_series_interpolate_intraday� s z:TestSeriesInterpolateData.test_series_interpolate_intraday�indr� r� r� r( z 2019-01-01ra )�startr� )r� �endc C s� t jddtjdg|d�}|\}}|dkr2t�d� |dkrn|d jf |�}tdd d d gd|d �}t� ||� n>d |� d�}tj t |d�� |d jf d|i|�� W d Q R X d S )Nr r rB )r r �scipyr g g �?g @g @)�namer z9Index column must be numeric or datetime type when using z_ method other than linear. Try setting a numeric or datetime index column before interpolating.)r9 r ) r� � DataFramer+ rV r: � importorskipr1 r r2 r3 r; r< ) r5 r! r� r� r r rH rF Zexpected_errorr r r � test_interp_non_timedelta_index� s z9TestSeriesInterpolateData.test_interp_non_timedelta_indexc C s� t jddd�}t jddtjdg|d�}|\}}|dkr@t�d� |d kr�|d jf d |i|��}td d d dgd|d�}t � ||� n t� d� dS )z� Tests for non numerical index types - object, period, timedelta Note that all methods except time, index, nearest and values are tested here. r ra )r� r� r rB )r r r� > r r r g g �?g @g @)r� r zCThis interpolation method is not supported for Timedelta Index yet.N) r� Ztimedelta_ranger� r+ rV r: r� r1 r r2 r3 �skip)r5 r! r� r� r r rH rF r r r � test_interpolate_timedelta_index s z:TestSeriesInterpolateData.test_interpolate_timedelta_indexzascending, expected_valuesr8 rb r% c C sT t ddtjddgdddddgd�}|j|d�jdd �}t ||td �}t�||� d S ) Nr% rb r8 r rB )r� r )� ascendingr )r )r� r r# )r r+ rV Z sort_indexr1 r. r2 r3 )r5 r� Zexpected_valuesr6 rH rF r r r � test_interpolate_unsorted_index$ s "z9TestSeriesInterpolateData.test_interpolate_unsorted_indexc C sV t dddg�}d}tjt|d�� |�dd�}W d Q R X t dddg�}t�||� d S )Nr r8 rB zwIn a future version of pandas all arguments of Series.interpolate except for the argument 'method' will be keyword-only)r9 rs r )r r2 Zassert_produces_warning� FutureWarningr1 r3 )r5 rE r= rH rF r r r �%test_interpolate_pos_args_deprecation/ s z?TestSeriesInterpolateData.test_interpolate_pos_args_deprecation)@�__name__� __module__� __qualname__r7 r> �tdZskip_if_no_scipyrI rR rS rT rU r: �markZ parametrizer rY r^ r_ r` rc rf ri rk rm ro rp rr rt rw rz r| r� r� r+ rV �ranger� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� Z period_rangeZinterval_ranger� r� r� r� r r r r r" P s� % / " " " " " " " " $ . r" )�numpyr+ r: Z pandas.util._test_decorators�utilZ_test_decoratorsr� Zpandasr� r r r r r Zpandas._testingZ_testingr2 Zfixturer r! r" r r r r �<module> sN
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