a ЭмeZdZdZdZddДZdddДZdd ДZd dДZdd ДZ dS)┌ logaddexpz╓ Logarithm of the sum of exponentiations of the inputs. Helper class for use with e.g. numpy.logaddexp See Also ======== https://numpy.org/doc/stable/reference/generated/numpy.logaddexp.html rcGstj|gt|tdНвRОSйN)┌keyйr┌__new__┌sortedrй┌cls┌argsrrrr)szlogaddexp.__new__щcCsJ|dkr|j\}}n|dkr(|j\}}n t||ГВtjtjt||ГSйz@ Returns the first derivative of this function. r$r)r#rr┌Onerй┌selfZargindexZwrt┌otherrrr┌fdiff,s zlogaddexp.fdiffcKs t||ГSйN)rйr(rr┌kwargsrrr┌_eval_rewrite_as_log8szlogaddexp._eval_rewrite_as_logcOs|аtбj|i|дОSr+йZrewriter Zevalfйr(r#r-rrr┌_eval_evalf;szlogaddexp._eval_evalfcsFtЗfddД|jГ\}}t||Г}|t||ddНkr8|St||ГSdS)Ncs|jfiИдОSr+)┌simplifyйrйr-rr┌?єz*logaddexp._eval_simplify..Fr )┌mapr#rrйr(r#r-┌a┌b┌ candidaterr4r┌_eval_simplify>s zlogaddexp._eval_simplifyN)r$й ┌__name__┌ __module__┌__qualname__┌__doc__┌nargsrr*r.r1r<rrrrrs rc@s>eZdZdZdZddДZdddДZdd ДZd dДZdd ДZ dS)┌ logaddexp2zт Logarithm of the sum of exponentiations of the inputs in base-2. Helper class for use with e.g. numpy.logaddexp2 See Also ======== https://numpy.org/doc/stable/reference/generated/numpy.logaddexp2.html rcGstj|gt|tdНвRОSrrr!rrrrSszlogaddexp2.__new__r$cCsJ|dkr|j\}}n|dkr(|j\}}n t||ГВtjtjt||ГSr%)r#rrr&rr'rrrr*Vs zlogaddexp2.fdiffcKs t||ГSr+)rr,rrrr.bszlogaddexp2._eval_rewrite_as_logcOs|аtбj|i|дОSr+r/r0rrrr1eszlogaddexp2._eval_evalfcsFtЗfddД|jГ\}}t||Г}|t||ddНkr8|St||ГSdS)Ncs|jfiИдОабSr+)r2Zfactorr3r4rrr5ir6z+logaddexp2._eval_simplify..Fr )r7r#rrCr8rr4rr<hs zlogaddexp2._eval_simplifyN)r$r=rrrrrCGs rCN)Zsympy.core.functionrrrZsympy.core.powerrZsympy.core.singletonrZsympy.core.sortingrZ&sympy.functions.elementary.exponentialrr rr&rrrrrrrCrrrr┌s *