Qucs-core
0.0.19
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00001 /* 00002 * states.h - save-state variable class definitions 00003 * 00004 * Copyright (C) 2004 Stefan Jahn <stefan@lkcc.org> 00005 * 00006 * This is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2, or (at your option) 00009 * any later version. 00010 * 00011 * This software is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this package; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 * 00021 * $Id$ 00022 * 00023 */ 00024 00025 #ifndef __STATES_H__ 00026 #define __STATES_H__ 00027 00028 namespace qucs { 00029 00037 template <class state_type_t> 00038 class states 00039 { 00040 public: 00041 // constructor and destructor set 00042 states (); 00043 states (const states &); 00044 ~states (); 00045 00046 // save-state variables for transient analysis 00047 state_type_t getState (int, int n = 0); 00048 void setState (int, state_type_t, int n = 0); 00049 void initStates (void); 00050 void clearStates (void); 00051 int getStates (void) { return nstates; } 00052 void setStates (int n) { nstates = n; } 00053 void nextState (void); 00054 void prevState (void); 00055 void fillState (int, state_type_t); 00056 void saveState (int, state_type_t *); 00057 void inputState (int, state_type_t *); 00058 00059 private: 00060 // stateval: array for holding all the sets of states. Multiple sets of 00061 // states are stored in one large array which is indexed appropriately 00062 // to get the right state set and value 00063 state_type_t * stateval; 00064 int nstates; // the number of sets of states stored 00065 int currentstate; 00066 }; 00067 00068 } // namespace qucs 00069 00070 #include "states.cpp" 00071 00072 #endif /* __STATES_H__ */