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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_fourterm.c
*
*/
#include "../solver/nld_solver.h"
#include "../nl_factory.h"
#include "nlid_fourterm.h"
#include <cmath>
namespace netlist
{
namespace analog
{
// ----------------------------------------------------------------------------------------
// nld_VCCS
// ----------------------------------------------------------------------------------------
NETLIB_RESET(VCCS)
{
const nl_double m_mult = m_G() * m_gfac; // 1.0 ==> 1V ==> 1A
const nl_double GI = NL_FCONST(1.0) / m_RI();
m_IP.set(GI);
m_IN.set(GI);
m_OP.set(m_mult, NL_FCONST(0.0));
m_OP1.set(-m_mult, NL_FCONST(0.0));
m_ON.set(-m_mult, NL_FCONST(0.0));
m_ON1.set(m_mult, NL_FCONST(0.0));
}
NETLIB_UPDATE(VCCS)
{
/* only called if connected to a rail net ==> notify the solver to recalculate */
if (!m_IP.net().isRailNet())
m_IP.solve_now();
else if (!m_IN.net().isRailNet())
m_IN.solve_now();
else if (!m_OP.net().isRailNet())
m_OP.solve_now();
else if (!m_ON.net().isRailNet())
m_ON.solve_now();
}
// ----------------------------------------------------------------------------------------
// nld_LVCCS
// ----------------------------------------------------------------------------------------
NETLIB_RESET(LVCCS)
{
NETLIB_NAME(VCCS)::reset();
}
NETLIB_UPDATE_PARAM(LVCCS)
{
NETLIB_NAME(VCCS)::update_param();
}
NETLIB_UPDATE(LVCCS)
{
NETLIB_NAME(VCCS)::update();
}
NETLIB_UPDATE_TERMINALS(LVCCS)
{
const nl_double m_mult = m_G() * m_gfac; // 1.0 ==> 1V ==> 1A
const nl_double vi = m_IP.net().Q_Analog() - m_IN.net().Q_Analog();
if (std::abs(m_mult / m_cur_limit() * vi) > 0.5)
m_vi = m_vi + 0.2*std::tanh((vi - m_vi)/0.2);
else
m_vi = vi;
const nl_double x = m_mult / m_cur_limit() * m_vi;
const nl_double X = std::tanh(x);
const nl_double beta = m_mult * (1.0 - X*X);
const nl_double I = m_cur_limit() * X - beta * m_vi;
m_OP.set(beta, NL_FCONST(0.0), I);
m_OP1.set(-beta, NL_FCONST(0.0));
m_ON.set(-beta, NL_FCONST(0.0), -I);
m_ON1.set(beta, NL_FCONST(0.0));
}
// ----------------------------------------------------------------------------------------
// nld_CCCS
// ----------------------------------------------------------------------------------------
NETLIB_RESET(CCCS)
{
NETLIB_NAME(VCCS)::reset();
}
NETLIB_UPDATE_PARAM(CCCS)
{
NETLIB_NAME(VCCS)::update_param();
}
NETLIB_UPDATE(CCCS)
{
NETLIB_NAME(VCCS)::update();
}
// ----------------------------------------------------------------------------------------
// nld_VCVS
// ----------------------------------------------------------------------------------------
NETLIB_RESET(VCVS)
{
m_gfac = NL_FCONST(1.0) / m_RO();
NETLIB_NAME(VCCS)::reset();
m_OP2.set(NL_FCONST(1.0) / m_RO());
m_ON2.set(NL_FCONST(1.0) / m_RO());
}
} //namespace analog
namespace devices {
NETLIB_DEVICE_IMPL_NS(analog, VCVS)
NETLIB_DEVICE_IMPL_NS(analog, VCCS)
NETLIB_DEVICE_IMPL_NS(analog, CCCS)
NETLIB_DEVICE_IMPL_NS(analog, LVCCS)
}
} // namespace netlist
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