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Diffstat (limited to 'src/electronics/simulation/voltagepoint.cpp')
-rw-r--r-- | src/electronics/simulation/voltagepoint.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/electronics/simulation/voltagepoint.cpp b/src/electronics/simulation/voltagepoint.cpp new file mode 100644 index 0000000..44d3b01 --- /dev/null +++ b/src/electronics/simulation/voltagepoint.cpp @@ -0,0 +1,73 @@ +/*************************************************************************** + * 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 "matrix.h" +#include "voltagepoint.h" +#include "elementset.h" + +VoltagePoint::VoltagePoint( const double voltage ) + : Element::Element() +{ + m_voltage = -voltage; + m_numCBranches = 1; + m_numCNodes = 1; +} + + +VoltagePoint::~VoltagePoint() +{ +} + + +void VoltagePoint::setVoltage( const double v ) +{ + if ( -v == m_voltage ) return; + + if (p_eSet) + p_eSet->setCacheInvalidated(); + + m_voltage = -v; + add_initial_dc(); +} + + +void VoltagePoint::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 ); + } +} + + +void VoltagePoint::add_initial_dc() +{ + if (!b_status) return; + + A_b( 0, 0 ) = -1; + A_c( 0, 0 ) = -1; + + b_v( 0 ) = m_voltage; +} + + +void VoltagePoint::updateCurrents() +{ + if (!b_status) return; + m_cnodeI[0] = p_cbranch[0]->i; +} + + + + + |