U
    ,d                     @   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re  dS )    N)compile_isolated)TypingError)njit)typesc                 C   s
   t | S N)r   int32x r
   </tmp/pip-unpacked-wheel-eu7e0c37/numba/tests/test_casting.pyfloat_to_int
   s    r   c                 C   s   t | d S )N   )r   float64r   r
   r
   r   int_to_float   s    r   c                 C   s
   t | S r   )r   uint32r   r
   r
   r   float_to_unsigned   s    r   c                 C   s
   t | S r   )r   
complex128r   r
   r
   r   float_to_complex   s    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selfZpyfuncZcrZcfuncr
   r
   r   test_float_to_int   s    zTestCasting.test_float_to_intc                 C   sR   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   sR   t }t|tjg}|j}| |jjtj | |d|d | |dd d S )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   s    z.TestCasting.test_array_to_array.<locals>.innerzf8(f8[::1])c                    s    | S r   r
   r   r-   r
   r   driverO   s    z/TestCasting.test_array_to_array.<locals>.driveri  dtyper      N)r   Zdisable_compiler   arrayr   r   lenZ	overloads)r!   r/   r	   r
   r.   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  qdd S )Nc                 S   s   | j | S r   )r1   typer   r
   r
   r   r-   X   s    z-TestCasting.test_0darrayT_to_T.<locals>.innerTr      y      @       @r'   hz
2016-01-01)z<U3ABCr0   r
   )r   r   Zbool_r   r   r#   Z	complex64r   Ztimedelta64Z
datetime64r3   r   )r!   r-   inputsTinpr	   r
   r
   r   test_0darrayT_to_TW   s    
zTestCasting.test_0darrayT_to_Tc              	   C   s6   |  t}ttd W 5 Q R X | dt|j dS )zv
        Ensure that a TypingError exception is raised if
        user tries to convert numpy array to scalar
        r
   z?Casting array(float64, 1d, C) to int32 directly is unsupported.N)assertRaisesr   r   r   ZassertInstr	exception)r!   Z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   OptionalZintpr   r   r   ZassertIsNone)r!   Zopt_intZopt_fltsigrC   r
   r
   r   test_optional_to_optionalx   s    
z%TestCasting.test_optional_to_optionalN)__name__
__module____qualname__r"   r$   r+   r,   r5   r=   rA   rF   r
   r
   r
   r   r      s   	
r   __main__)Znumpyr   Znumba.core.compilerr   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   n