o
    8ήc                     @   s   d dl Zd dlm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rKe  dS dS )    N)compile_isolated)TypingError)njit)typesc                 C   
   t | S N)r   int32x r   ?/tmp/pip-target-vg8gfxp4/lib/python/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   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g}|j}| |jjtj | |d|d | |dt	d | |d|d | |dt	d d S )N皙(@g()
r   r   r   float32entry_pointassertEqual	signaturereturn_typer   intselfpyfunccrcfuncr   r   r   test_float_to_int   s   zTestCasting.test_float_to_intc                 C   R   t }t|tjg}|j}| |jjtj | |d|d | |dd d S )NiA  g     d@)	r   r   r   int64r   r   r   r    r   r"   r   r   r   test_int_to_float)   s   zTestCasting.test_int_to_floatc              
   C   sf   t }t|tjg}|j}| |jjtj | |d|d | |dt	
dt	ddd  d S )NgGz	@Ii   r   )r   r   r   r   r   r   r   r    r   structunpackpackr"   r   r   r   test_float_to_unsigned2   s   
z"TestCasting.test_float_to_unsignedc                 C   r(   )NgGz	yGz	        )	r   r   r   r   r   r   r   r    r   r"   r   r   r   test_float_to_complex<   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   innerI      z.TestCasting.test_array_to_array.<locals>.innerzf8(f8[::1])c                    s    | S r   r   r	   r3   r   r   driverO   r4   z/TestCasting.test_array_to_array.<locals>.driveri  dtyper      N)r   disable_compiler   arrayr   r   len	overloads)r#   r6   r
   r   r5   r   test_array_to_arrayD   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   )r8   typer	   r   r   r   r3   X   s   z-TestCasting.test_0darrayT_to_T.<locals>.innerTr      y      @       @r-   hz
2016-01-01)z<U3ABCr7   r   )r   r   bool_r   r   r)   	complex64r   timedelta64
datetime64r;   r   )r#   r3   inputsTinpr
   r   r   r   test_0darrayT_to_TW   s    
zTestCasting.test_0darrayT_to_Tc                 C   sJ   |  t}ttd 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   assertInstr	exception)r#   raisesr   r   r   test_array_to_scalarl   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   Optionalintpr   r   r   assertIsNone)r#   opt_intopt_fltsigrR   r   r   r   test_optional_to_optionalx   s   
z%TestCasting.test_optional_to_optionalN)__name__
__module____qualname__r'   r*   r1   r2   r>   rJ   rP   rY   r   r   r   r   r      s    	
r   __main__)numpyr   numba.core.compilerr   numba.core.errorsr   numbar   
numba.corer   r.   unittestr   r   r   r   r   TestCaser   rZ   mainr   r   r   r   <module>   s     n