o
    1&i                     @   s   d dl Zd dlmZ d dlmZ d dlmZ d dlZd dl	Z	dd Z
dd Zd	d
 Zdd Zdd ZG dd de	jZedkrEe	  dS dS )    N)TypingError)njit)typesc                 C   
   t | S N)r   int32x r
   CC:\wamp64\www\opt\env\Lib\site-packages\numba/tests/test_casting.pyfloat_to_int	      
r   c                 C   s   t | d S )N   )r   float64r   r
   r
   r   int_to_float   s   r   c                 C   r   r   )r   uint32r   r
   r
   r   float_to_unsigned   r   r   c                 C   r   r   )r   
complex128r   r
   r
   r   float_to_complex   r   r   c                   C   s   t t d d S )N)   )npr   Zzerosr
   r
   r
   r   numpy_scalar_cast_error   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 )TestCastingc                 C   s~   t }ttjf|}| |jd jtj | |d|d | |dtd | |d|d | |dtd d S )Nr   皙(@g()	r   r   r   float32assertEqualnopython_signaturesreturn_typer   intselfZpyfuncZcfuncr
   r
   r   test_float_to_int   s   zTestCasting.test_float_to_intc                 C   R   t }ttjf|}| |jd jtj | |d|d | |dd d S )Nr   iA  g     d@)r   r   r   int64r   r   r   r   r   r
   r
   r   test_int_to_float'   s   zTestCasting.test_int_to_floatc              
   C   sf   t }ttjf|}| |jd jtj | |d|d | |dt	dt
ddd  d S )Nr   gGz	@Ii   )r   r   r   r   r   r   r   r   structunpackpackr   r
   r
   r   test_float_to_unsigned0   s   
z"TestCasting.test_float_to_unsignedc                 C   r"   )Nr   gGz	yGz	        )r   r   r   r   r   r   r   r   r   r
   r
   r   test_float_to_complex9   s   z!TestCasting.test_float_to_complexc                    sh   t ddd     t d fdd}tjdgtjd}| |||d	  | t jd
 dS )z<Make sure this compiles.

        Cast C to A array
        z	f8(f8[:])c                 S   s   | d S )Nr   r
   r   r
   r
   r   innerF      z.TestCasting.test_array_to_array.<locals>.innerzf8(f8[::1])c                    s    | S r   r
   r   r-   r
   r   driverL   r.   z/TestCasting.test_array_to_array.<locals>.driveri  dtyper      N)r   Zdisable_compiler   arrayr   r   lenZ	overloads)r    r0   r	   r
   r/   r   test_array_to_arrayA   s   
zTestCasting.test_array_to_arrayc                 C   s   t dd }tjdftjdftjdftjdftjdftjdftjtddftj	t	d	fd
g	}|D ]\}}tj
||d}| |||d  q2d S )Nc                 S   s   | j | S r   )r2   typer   r
   r
   r   r-   U   s   z-TestCasting.test_0darrayT_to_T.<locals>.innerTr      y      @       @r'   hz
2016-01-01)z<U3ABCr1   r
   )r   r   Zbool_r   r   r#   Z	complex64r   Ztimedelta64Z
datetime64r4   r   )r    r-   ZinputsTinpr	   r
   r
   r   test_0darrayT_to_TT   s    
zTestCasting.test_0darrayT_to_Tc                 C   sL   |  t}tdt W d   n1 sw   Y  | dt|j dS )zv
        Ensure that a TypingError exception is raised if
        user tries to convert numpy array to scalar
        r
   Nz?Casting array(float64, 1d, C) to int32 directly is unsupported.)assertRaisesr   r   r   ZassertInstr	exception)r    Zraisesr
   r
   r   test_array_to_scalari   s   z TestCasting.test_array_to_scalarc                 C   sR   t t j}t t j}||}t|dd }| |dd | |d dS )z
        Test error due mishandling of Optional to Optional casting

        Related issue: https://github.com/numba/numba/issues/1718
        c                 S   s   | S r   r
   )ar
   r
   r   foo   s   z2TestCasting.test_optional_to_optional.<locals>.foor   N)r   OptionalZintpr   r   r   ZassertIsNone)r    Zopt_intZopt_fltsigrC   r
   r
   r   test_optional_to_optionalu   s   
z%TestCasting.test_optional_to_optionalN)__name__
__module____qualname__r!   r$   r+   r,   r6   r=   rA   rF   r
   r
   r
   r   r      s    
		r   __main__)numpyr   Znumba.core.errorsr   Znumbar   Z
numba.corer   r(   Zunittestr   r   r   r   r   ZTestCaser   rG   mainr
   r
   r
   r   <module>   s    l