parameters: (self, num='0')
return_statement: return d._fix(self)
docstring: Creates a new Decimal instance but using self as context.
  
          This method implements the to-number operation of the
          IBM Decimal specification.
docstring_summary: Creates a new Decimal instance but using self as context.
docstring_tokens: Creates a new Decimal instance but using self as context .
function: def create_decimal(self, num='0'):
          """Creates a new Decimal instance but using self as context.
  
          This method implements the to-number operation of the
          IBM Decimal specification."""
  
          if isinstance(num, basestring) and num != num.strip():
              return self._raise_error(ConversionSyntax,
                                       "no trailing or leading whitespace is "
                                       "permitted.")
  
          d = Decimal(num, context=self)
          if d._isnan() and len(d._int) > self.prec - self._clamp:
              return self._raise_error(ConversionSyntax,
                                       "diagnostic info too long in NaN")
          return d._fix(self)
function_tokens: def create_decimal ( self , num = '0' ) : if isinstance ( num , basestring ) and num != num . strip ( ) : return self . _raise_error ( ConversionSyntax , "no trailing or leading whitespace is " "permitted." ) d = Decimal ( num , context = self ) if d . _isnan ( ) and len ( d . _int ) > self . prec - self . _clamp : return self . _raise_error ( ConversionSyntax , "diagnostic info too long in NaN" ) return d . _fix ( self )