+
    /i                     (    R t ^RIHtHt ^ RItR tR# )a  
This module calculates the reduction ratio for trust-region methods.

Translated from Zaikun Zhang's modern-Fortran reference implementation in PRIMA.

Dedicated to late Professor M. J. D. Powell FRS (1936--2015).

Python translation by Nickolai Belakovski.
)	DEBUGGINGREALMAXNc                J   \         '       d
   V^ 8  g   Q h\        P                  ! V 4      '       d	   \        ) pM\        P                  ! V4      '       g   V^ 8:  d   V ^ 8  d   V^,          pM\        ) pM\        P                  ! V4      '       d    \        P                  ! V 4      '       d   ^pMH\        P                  ! V4      '       d%   \        P
                  ! V 4      '       d	   \        ) pMW,          p\         '       d   \        P                  ! V4      '       d   Q hV# )z`
This function evaluates the reduction ratio of a trust-region step, handling inf/nan properly.
)r   npisnanr   isposinfisneginf)aredpredrshrinkratios   &&& ]/var/www/html/photoedit/myenv/lib/python3.14/site-packages/scipy/_lib/pyprima/common/ratio.pyredratr      s     y!|| 
xx~~	$419 !8AIE HE	T		r{{400	T		r{{400	 y88E??""L    )__doc__constsr   r   numpyr   r    r   r   <module>r      s    ' (r   