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       1                 :            : /*
       2                 :            :  * devstates.cpp - device state class implementation
       3                 :            :  *
       4                 :            :  * Copyright (C) 2006 Stefan Jahn <stefan@lkcc.org>
       5                 :            :  *
       6                 :            :  * This is free software; you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU General Public License as published by
       8                 :            :  * the Free Software Foundation; either version 2, or (at your option)
       9                 :            :  * any later version.
      10                 :            :  *
      11                 :            :  * This software is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with this package; see the file COPYING.  If not, write to
      18                 :            :  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
      19                 :            :  * Boston, MA 02110-1301, USA.
      20                 :            :  *
      21                 :            :  * $Id$
      22                 :            :  *
      23                 :            :  */
      24                 :            : 
      25                 :            : #if HAVE_CONFIG_H
      26                 :            : # include <config.h>
      27                 :            : #endif
      28                 :            : 
      29                 :            : #include <stdio.h>
      30                 :            : #include <stdlib.h>
      31                 :            : #include <string.h>
      32                 :            : 
      33                 :            : #include "devstates.h"
      34                 :            : 
      35                 :            : namespace qucs {
      36                 :            : 
      37                 :            : // Default constructor for device state class instance.
      38                 :         28 : devstates::devstates () {
      39                 :         28 :   nstates = 0;
      40                 :         28 :   nvars = 0;
      41                 :         28 :   states = NULL;
      42                 :         28 :   nstate = 0;
      43                 :         28 :   pstate = NULL;
      44                 :         28 : }
      45                 :            : 
      46                 :            : // Constructor for device state class instance.
      47                 :          0 : devstates::devstates (int vars, int states) {
      48                 :          0 :   deviceStates (vars, states);
      49                 :          0 : }
      50                 :            : 
      51                 :            : // Destructor for device state class instance.
      52                 :         28 : devstates::~devstates () {
      53 [ #  # ][ +  - ]:         28 :   if (states) free (states);
      54                 :         28 : }
      55                 :            : 
      56                 :            : /* Initializes the device state class instance containing the
      57                 :            :    specified number of variables and states. */
      58                 :      12153 : void devstates::deviceStates (int vars, int stats) {
      59                 :      12153 :   nvars = vars;
      60                 :      12153 :   nstates = stats;
      61         [ +  + ]:      12153 :   if (states) free (states);
      62                 :      12153 :   states = (nr_double_t *) malloc (sizeof (nr_double_t) * nvars * nstates);
      63                 :      12153 :   nstate = 0;
      64                 :      12153 :   pstate = states;
      65                 :      12153 : }
      66                 :            : 
      67                 :            : // Returns the number of states.
      68                 :      24321 : int devstates::deviceStates (void) {
      69                 :      24321 :   return nstates;
      70                 :            : }
      71                 :            : 
      72                 :            : // Sets the current state.
      73                 :      12344 : void devstates::deviceState (int state) {
      74                 :      12344 :   nstate = state;
      75                 :      12344 :   pstate = &states[nvars * nstate];
      76                 :      12344 : }
      77                 :            : 
      78                 :            : // Returns the current state.
      79                 :          0 : int devstates::deviceState (void) {
      80                 :          0 :   return nstate;
      81                 :            : }
      82                 :            : 
      83                 :            : // Access operator for the given variable in the current state.
      84                 :          0 : nr_double_t devstates::operator () (int var) const {
      85                 :          0 :   return pstate[var];
      86                 :            : }
      87                 :            : 
      88                 :            : // Reference access operator for the given variable in the current state.
      89                 :          0 : nr_double_t& devstates::operator () (int var) {
      90                 :          0 :   return pstate[var];
      91                 :            : }
      92                 :            : 
      93                 :            : // Returns the given variable in the current state.
      94                 :          0 : nr_double_t devstates::deviceVar (int var) const {
      95                 :          0 :   return pstate[var];
      96                 :            : }
      97                 :            : 
      98                 :            : // Returns a reference to the given variable in the current state.
      99                 :     769828 : nr_double_t& devstates::deviceVar (int var) {
     100                 :     769828 :   return pstate[var];
     101                 :            : }
     102                 :            : 
     103                 :            : } // namespace qucs