parameters: (self, context=None)
return_statement: return self.__sub__(_dec_from_triple(0, '1', context.Etiny()-1),
                              context)
docstring: Returns the largest representable number smaller than itself.
docstring_summary: Returns the largest representable number smaller than itself.
docstring_tokens: Returns the largest representable number smaller than itself .
function: def next_minus(self, context=None):
          """Returns the largest representable number smaller than itself."""
          if context is None:
              context = getcontext()
  
          ans = self._check_nans(context=context)
          if ans:
              return ans
  
          if self._isinfinity() == -1:
              return _NegativeInfinity
          if self._isinfinity() == 1:
              return _dec_from_triple(0, '9'*context.prec, context.Etop())
  
          context = context.copy()
          context._set_rounding(ROUND_FLOOR)
          context._ignore_all_flags()
          new_self = self._fix(context)
          if new_self != self:
              return new_self
          return self.__sub__(_dec_from_triple(0, '1', context.Etiny()-1),
                              context)
function_tokens: def next_minus ( self , context = None ) : if context is None : context = getcontext ( ) ans = self . _check_nans ( context = context ) if ans : return ans if self . _isinfinity ( ) == - 1 : return _NegativeInfinity if self . _isinfinity ( ) == 1 : return _dec_from_triple ( 0 , '9' * context . prec , context . Etop ( ) ) context = context . copy ( ) context . _set_rounding ( ROUND_FLOOR ) context . _ignore_all_flags ( ) new_self = self . _fix ( context ) if new_self != self : return new_self return self . __sub__ ( _dec_from_triple ( 0 , '1' , context . Etiny ( ) - 1 ) , context )