From 5de3dd4762ca33a0f92e79ffa4fe2ff67069d531 Mon Sep 17 00:00:00 2001 From: tpearson Date: Wed, 24 Feb 2010 01:49:02 +0000 Subject: Added KDE3 version of ktechlab git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktechlab@1095338 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- src/electronics/simulation/cccs.cpp | 89 +++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 src/electronics/simulation/cccs.cpp (limited to 'src/electronics/simulation/cccs.cpp') diff --git a/src/electronics/simulation/cccs.cpp b/src/electronics/simulation/cccs.cpp new file mode 100644 index 0000000..9725735 --- /dev/null +++ b/src/electronics/simulation/cccs.cpp @@ -0,0 +1,89 @@ +/*************************************************************************** + * Copyright (C) 2003-2004 by David Saxton * + * david@bluehaze.org * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +#include "elementset.h" +#include "matrix.h" +#include "cccs.h" + +CCCS::CCCS( const double gain ) + : Element::Element() +{ + m_g = gain; + m_numCBranches = 2; + m_numCNodes = 4; +} + +CCCS::~CCCS() +{ +} + +void CCCS::setGain( const double g ) +{ + if ( m_g == g ) + return; + + if (p_eSet) + p_eSet->setCacheInvalidated(); + + m_g = g; + add_initial_dc(); +} + + +void CCCS::add_map() +{ + if (!b_status) return; + + if ( !p_cnode[0]->isGround ) + { + p_A->setUse_b( p_cnode[0]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[0]->n(), Map::et_constant, true ); + } + if ( !p_cnode[1]->isGround ) + { + p_A->setUse_b( p_cnode[1]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[1]->n(), Map::et_constant, true ); + } + if ( !p_cnode[2]->isGround ) + { + p_A->setUse_b( p_cnode[2]->n(), p_cbranch[1]->n(), Map::et_constant, true ); + } + if ( !p_cnode[3]->isGround ) + { + p_A->setUse_b( p_cnode[3]->n(), p_cbranch[1]->n(), Map::et_constant, true ); + } + p_A->setUse_d( p_cbranch[1]->n(), p_cbranch[0]->n(), Map::et_stable, true ); + p_A->setUse_d( p_cbranch[1]->n(), p_cbranch[1]->n(), Map::et_constant, true ); +} + +void CCCS::add_initial_dc() +{ + if (!b_status) + return; + + A_b( 0, 0 ) = 1; + A_c( 0, 0 ) = 1; + A_b( 1, 0 ) = -1; + A_c( 0, 1 ) = -1; + A_b( 2, 1 ) = 1; + A_b( 3, 1 ) = -1; + A_d( 1, 0 ) = -m_g; + A_d( 1, 1 ) = 1; +} + +void CCCS::updateCurrents() +{ + if (!b_status) return; + m_cnodeI[1] = p_cbranch[0]->i; + m_cnodeI[0] = -m_cnodeI[1]; + m_cnodeI[3] = p_cbranch[1]->i; + m_cnodeI[2] = -m_cnodeI[3]; +} + -- cgit v1.2.1