def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui': continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if (name != 'longdouble' and name != 'clongdouble') or \
                   myname not in allTypes.keys():
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit/2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name

def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == "int" or char[0] in "ui":
            continue
        if base != "":
            myname = "%s%d" % (base, bit)
            if (name != "longdouble" and name != "clongdouble") or myname not in allTypes.keys():
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == "complex":
                    na_name = "%s%d" % (english_capitalize(base), bit // 2)
                elif base == "bool":
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != "":
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name

def _add_types():
    for a in typeinfo.keys():
        name = english_lower(a)
        if isinstance(typeinfo[a], tuple):
            typeobj = typeinfo[a][-1]

            # define C-name and insert typenum and typechar references also
            allTypes[name] = typeobj
            sctypeDict[name] = typeobj
            sctypeDict[typeinfo[a][0]] = typeobj
            sctypeDict[typeinfo[a][1]] = typeobj

        else:  # generic class
            allTypes[name] = typeinfo[a]

def _construct_char_code_lookup():
    for name in typeinfo.keys():
        tup = typeinfo[name]
        if isinstance(tup, tuple):
            if tup[0] not in ['p','P']:
                _sctype2char_dict[tup[-1]] = tup[0]