PA_FLAG_LONG_DOUBLE
spec->data_arg_type = PA_DOUBLE|PA_FLAG_LONG_DOUBLE;
argtypes[0] = PA_DOUBLE | (info->is_long_double ? PA_FLAG_LONG_DOUBLE : 0);
case PA_DOUBLE|PA_FLAG_LONG_DOUBLE:
args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE;