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       1                 :            : /*
       2                 :            :  * inverter.cpp - logical inverter class implementation
       3                 :            :  *
       4                 :            :  * Copyright (C) 2005, 2006, 2008, 2009 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 "component.h"
      30                 :            : #include "digital.h"
      31                 :            : #include "inverter.h"
      32                 :            : 
      33                 :            : using namespace qucs;
      34                 :            : 
      35                 :          0 : inverter::inverter () : digital () {
      36                 :          0 :   type = CIR_INVERTER;
      37   [ #  #  #  # ]:          0 :   setSize (2);
      38                 :          0 : }
      39                 :            : 
      40                 :          0 : void inverter::calcOutput (void) {
      41                 :          0 :   nr_double_t v = getPropertyDouble ("V");
      42                 :          0 :   Vout = v / 2 * (1 - calcTransferX (0));
      43                 :          0 : }
      44                 :            : 
      45                 :          0 : void inverter::calcDerivatives (void) {
      46                 :          0 :   g[0] = - 0.5 * calcDerivativeX (0);
      47                 :          0 : }
      48                 :            : 
      49                 :            : // properties
      50                 :            : PROP_REQ [] = {
      51                 :            :   { "V", PROP_REAL, { 1, PROP_NO_STR }, PROP_POS_RANGE }, PROP_NO_PROP };
      52                 :            : PROP_OPT [] = {
      53                 :            :   { "t", PROP_REAL, { 0, PROP_NO_STR }, PROP_POS_RANGE },
      54                 :            :   { "TR", PROP_REAL, { 10, PROP_NO_STR }, PROP_RNGII (1, 100) },
      55                 :            :   PROP_NO_PROP };
      56                 :            : struct define_t inverter::cirdef =
      57                 :            :   { "Inv", 2, PROP_COMPONENT, PROP_NO_SUBSTRATE, PROP_NONLINEAR, PROP_DEF };