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authorGravatarGravatar couriersud <couriersud@gmx.org>2019-11-13 19:29:51 +0100
committerGravatarGravatar couriersud <couriersud@gmx.org>2019-11-13 19:29:51 +0100
commit43637964a2389cfe6288facc09cd7faaf612d4f4 (patch)
treecf5de04c493bd0c73d2ad7f1e74291484f52085e /src/lib
parente00549bcec3b0683038259f61eec01667d4ce786 (diff)
netlist: bug fix, code maintenance and performance improvement. (nw)
- fixed a code in the netlist creation which caused multiple proxies to be created for output->terminal connections. A nice side effect of this fix is a performance increase ~9% for kidniki and ~4% for pong. Speaking about pong ... maximum is 490%. Dice is running at 280 FPS/60 FPS = 466%, however without any analog emulation. - Replaced NL_NOEXCEPT with noexcept. assert is now exception-free. - cppcheck and lint fixes.
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/netlist/analog/nld_mosfet.cpp2
-rw-r--r--src/lib/netlist/devices/nld_4020.cpp2
-rw-r--r--src/lib/netlist/devices/nld_7448.cpp2
-rw-r--r--src/lib/netlist/devices/nlid_proxy.cpp113
-rw-r--r--src/lib/netlist/devices/nlid_proxy.h17
-rw-r--r--src/lib/netlist/devices/nlid_system.h4
-rw-r--r--src/lib/netlist/nl_base.h36
-rw-r--r--src/lib/netlist/nl_config.h12
-rw-r--r--src/lib/netlist/nl_errstr.h4
-rw-r--r--src/lib/netlist/nl_setup.cpp3
-rw-r--r--src/lib/netlist/plib/palloc.h2
-rw-r--r--src/lib/netlist/plib/pmempool.h6
-rw-r--r--src/lib/netlist/plib/ptokenizer.cpp2
-rw-r--r--src/lib/netlist/plib/ptokenizer.h2
-rw-r--r--src/lib/netlist/solver/nld_matrix_solver.cpp2
15 files changed, 121 insertions, 88 deletions
diff --git a/src/lib/netlist/analog/nld_mosfet.cpp b/src/lib/netlist/analog/nld_mosfet.cpp
index fc57916575e..57ccf2220c7 100644
--- a/src/lib/netlist/analog/nld_mosfet.cpp
+++ b/src/lib/netlist/analog/nld_mosfet.cpp
@@ -218,7 +218,7 @@ namespace analog
connect(m_DG.m_P, m_SD.m_N);
set_qtype((m_model.type() == "NMOS_DEFAULT") ? FET_NMOS : FET_PMOS);
- m_polarity = qtype() == nlconst::magic((FET_NMOS ? 1.0 : -1.0));
+ m_polarity = nlconst::magic((qtype() == FET_NMOS) ? 1.0 : -1.0);
m_capmod = m_model.m_CAPMOD;
// printf("capmod %d %g %g\n", m_capmod, (nl_fptype)m_model.m_VTO, m_polarity);
diff --git a/src/lib/netlist/devices/nld_4020.cpp b/src/lib/netlist/devices/nld_4020.cpp
index f542ff51aad..5fae0da4434 100644
--- a/src/lib/netlist/devices/nld_4020.cpp
+++ b/src/lib/netlist/devices/nld_4020.cpp
@@ -34,7 +34,7 @@ namespace netlist
NETLIB_UPDATEI();
public:
- void update_outputs(const unsigned cnt) NL_NOEXCEPT
+ void update_outputs(const unsigned cnt) noexcept
{
static constexpr const std::array<netlist_time, 14> out_delayQn = {
NLTIME_FROM_NS(180), NLTIME_FROM_NS(280),
diff --git a/src/lib/netlist/devices/nld_7448.cpp b/src/lib/netlist/devices/nld_7448.cpp
index b27995b9a8e..88b0d5d19cc 100644
--- a/src/lib/netlist/devices/nld_7448.cpp
+++ b/src/lib/netlist/devices/nld_7448.cpp
@@ -36,7 +36,7 @@ namespace netlist
NETLIB_UPDATEI();
public:
- void update_outputs(unsigned v) NL_NOEXCEPT
+ void update_outputs(unsigned v) noexcept
{
nl_assert(v<16);
if (v != m_state)
diff --git a/src/lib/netlist/devices/nlid_proxy.cpp b/src/lib/netlist/devices/nlid_proxy.cpp
index ddf76b27887..6e4dba84c4e 100644
--- a/src/lib/netlist/devices/nlid_proxy.cpp
+++ b/src/lib/netlist/devices/nlid_proxy.cpp
@@ -18,12 +18,60 @@ namespace netlist
// -----------------------------------------------------------------------------
nld_base_proxy::nld_base_proxy(netlist_state_t &anetlist, const pstring &name,
- logic_t *inout_proxied, detail::core_terminal_t *proxy_inout)
- : device_t(anetlist, name)
+ logic_t *inout_proxied, detail::core_terminal_t *proxy_inout)
+ : device_t(anetlist, name)
+ , m_tp(nullptr)
+ , m_tn(nullptr)
+ , m_term_proxied(inout_proxied)
+ , m_proxy_term(proxy_inout)
{
m_logic_family = inout_proxied->logic_family();
- m_term_proxied = inout_proxied;
- m_proxy_term = proxy_inout;
+
+ const std::vector<std::pair<pstring, pstring>> power_syms = { {"VCC", "VEE"}, {"VCC", "GND"}, {"VDD", "VSS"}};
+
+ bool f = false;
+ for (auto & pwr_sym : power_syms)
+ {
+ pstring devname = inout_proxied->device().name();
+ auto tp_t = anetlist.setup().find_terminal(devname + "." + pwr_sym.first,
+ /*detail::terminal_type::INPUT,*/ false);
+ auto tn_t = anetlist.setup().find_terminal(devname + "." + pwr_sym.second,
+ /*detail::terminal_type::INPUT,*/ false);
+ if (f && (tp_t != nullptr && tn_t != nullptr))
+ log().warning(MI_MULTIPLE_POWER_TERMINALS_ON_DEVICE(inout_proxied->device().name(),
+ m_tp->name(), m_tn->name(),
+ tp_t ? tp_t->name() : "",
+ tn_t ? tn_t->name() : ""));
+ else if (tp_t != nullptr && tn_t != nullptr)
+ {
+ m_tp = tp_t;
+ m_tn = tn_t;
+ f = true;
+ }
+ }
+ //FIXME: Use power terminals and change info to warning or error
+ if (!f)
+ {
+#if 1
+ if (logic_family()->fixed_V() == nlconst::zero())
+ log().error(MI_NO_POWER_TERMINALS_ON_DEVICE_2(name, anetlist.setup().de_alias(inout_proxied->device().name())));
+ else
+ log().info(MI_NO_POWER_TERMINALS_ON_DEVICE_2(name, anetlist.setup().de_alias(inout_proxied->device().name())));
+#endif
+ m_GNDHack = plib::make_unique<analog_output_t>(*this, "_QGND");
+ m_VCCHack = plib::make_unique<analog_output_t>(*this, "_QVCC");
+
+ m_tp = m_VCCHack.get();
+ m_tn = m_GNDHack.get();
+ m_need_hack = true;
+ }
+ else
+ {
+ log().verbose("D/A Proxy: Found power terminals on device {1}", inout_proxied->device().name());
+ m_need_hack = false;
+ }
+ //printf("vcc: %f\n", logic_family()->fixed_V());
+
}
// ----------------------------------------------------------------------------------------
@@ -52,6 +100,7 @@ namespace netlist
nl_assert(m_logic_family != nullptr);
// FIXME: Variable supply voltage!
nl_fptype supply_V = logic_family()->fixed_V();
+ // FIXME: bad hack
if (supply_V == nlconst::zero()) supply_V = nlconst::magic(5.0);
if (m_I.Q_Analog() > logic_family()->high_thresh_V(nlconst::zero(), supply_V))
@@ -82,45 +131,20 @@ namespace netlist
, m_last_state(*this, "m_last_var", -1)
, m_is_timestep(false)
{
- const std::vector<std::pair<pstring, pstring>> power_syms = { {"VCC", "VEE"}, {"VCC", "GND"}, {"VDD", "VSS"}};
-
register_subalias("Q", m_RN.m_P);
- bool f = false;
- detail::core_terminal_t *tp(nullptr);
- detail::core_terminal_t *tn(nullptr);
- for (auto & pwr_sym : power_syms)
- {
- pstring devname = out_proxied->device().name();
- auto tp_t = anetlist.setup().find_terminal(devname + "." + pwr_sym.first,
- /*detail::terminal_type::INPUT,*/ false);
- auto tn_t = anetlist.setup().find_terminal(devname + "." + pwr_sym.second,
- /*detail::terminal_type::INPUT,*/ false);
- if (f && (tp_t != nullptr && tn_t != nullptr))
- log().warning(MI_MULTIPLE_POWER_TERMINALS_ON_DEVICE(out_proxied->device().name(),
- tp->name(), tn->name(),
- tp_t ? tp_t->name() : "",
- tn_t ? tn_t->name() : ""));
- else if (tp_t != nullptr && tn_t != nullptr)
- {
- /* alternative logic */
- tp = tp_t;
- tn = tn_t;
- f = true;
- }
- }
//FIXME: Use power terminals and change info to warning or error
- if (!f)
+ if (need_hack())
{
+#if 1
+ // FIXME: move to base proxy class
if (logic_family()->fixed_V() == nlconst::zero())
- log().error(MI_NO_POWER_TERMINALS_ON_DEVICE_1(anetlist.setup().de_alias(out_proxied->device().name())));
+ log().error(MI_NO_POWER_TERMINALS_ON_DEVICE_2(name, anetlist.setup().de_alias(out_proxied->device().name())));
else
- log().info(MI_NO_POWER_TERMINALS_ON_DEVICE_1(anetlist.setup().de_alias(out_proxied->device().name())));
- m_GNDHack = plib::make_unique<analog_output_t>(*this, "_QGND");
- m_VCCHack = plib::make_unique<analog_output_t>(*this, "_QVCC");
-
- connect(m_RN.m_N, *m_GNDHack);
- connect(m_RP.m_P, *m_VCCHack);
+ log().info(MI_NO_POWER_TERMINALS_ON_DEVICE_2(name, anetlist.setup().de_alias(out_proxied->device().name())));
+#endif
+ connect(m_RN.m_N, *m_tn);
+ connect(m_RP.m_P, *m_tp);
connect(m_RN.m_P, m_RP.m_N);
}
else
@@ -135,8 +159,8 @@ namespace netlist
}
else
{
- connect(m_RN.m_N, *tn);
- connect(m_RP.m_P, *tp);
+ connect(m_RN.m_N, *m_tn);
+ connect(m_RP.m_P, *m_tp);
}
connect(m_RN.m_P, m_RP.m_N);
}
@@ -156,10 +180,13 @@ namespace netlist
m_last_state = -1;
m_RN.reset();
m_RP.reset();
- if (m_GNDHack)
- m_GNDHack->initial(0);
- if (m_VCCHack)
- m_VCCHack->initial(supply_V);
+ if (need_hack())
+ {
+ if (m_tn)
+ m_GNDHack->initial(0);
+ if (m_tp)
+ m_VCCHack->initial(supply_V);
+ }
m_is_timestep = m_RN.m_P.net().solver()->has_timestep_devices();
m_RN.set_G_V_I(plib::reciprocal(logic_family()->R_low()),
logic_family()->low_offset_V(), nlconst::zero());
diff --git a/src/lib/netlist/devices/nlid_proxy.h b/src/lib/netlist/devices/nlid_proxy.h
index 0badfd92006..24692508c51 100644
--- a/src/lib/netlist/devices/nlid_proxy.h
+++ b/src/lib/netlist/devices/nlid_proxy.h
@@ -16,8 +16,8 @@
namespace netlist
{
- namespace devices
- {
+namespace devices
+{
// -----------------------------------------------------------------------------
// nld_base_proxy
@@ -33,10 +33,17 @@ namespace netlist
detail::core_terminal_t &proxy_term() const { return *m_proxy_term; }
protected:
+ detail::core_terminal_t *m_tp;
+ detail::core_terminal_t *m_tn;
+
+ plib::unique_ptr<analog_output_t> m_GNDHack; // FIXME: Long term, we need to connect proxy gnd to device gnd
+ plib::unique_ptr<analog_output_t> m_VCCHack; // FIXME: Long term, we need to connect proxy gnd to device gnd
+ bool need_hack() const noexcept { return m_need_hack; }
private:
logic_t *m_term_proxied;
detail::core_terminal_t *m_proxy_term;
+ bool m_need_hack;
};
// -----------------------------------------------------------------------------
@@ -106,15 +113,13 @@ namespace netlist
static constexpr const nl_fptype G_OFF = nlconst::magic(1e-9);
- plib::unique_ptr<analog_output_t> m_GNDHack; // FIXME: Long term, we need to connect proxy gnd to device gnd
- plib::unique_ptr<analog_output_t> m_VCCHack; // FIXME: Long term, we need to connect proxy gnd to device gnd
analog::NETLIB_NAME(twoterm) m_RP;
analog::NETLIB_NAME(twoterm) m_RN;
state_var<int> m_last_state;
bool m_is_timestep;
-};
+ };
- } //namespace devices
+} // namespace devices
} // namespace netlist
#endif /* NLD_PROXY_H_ */
diff --git a/src/lib/netlist/devices/nlid_system.h b/src/lib/netlist/devices/nlid_system.h
index e84472a536f..44ad1f8efc2 100644
--- a/src/lib/netlist/devices/nlid_system.h
+++ b/src/lib/netlist/devices/nlid_system.h
@@ -438,8 +438,8 @@ namespace devices
}
// FIXME: this will seg-fault if force_analog_input = false
- nl_fptype VCC() const NL_NOEXCEPT { return m_VCC->Q_Analog(); }
- nl_fptype GND() const NL_NOEXCEPT { return m_GND->Q_Analog(); }
+ nl_fptype VCC() const noexcept { return m_VCC->Q_Analog(); }
+ nl_fptype GND() const noexcept { return m_GND->Q_Analog(); }
private:
void noop() { }
diff --git a/src/lib/netlist/nl_base.h b/src/lib/netlist/nl_base.h
index 739b6dfc6fd..c88b1ce6797 100644
--- a/src/lib/netlist/nl_base.h
+++ b/src/lib/netlist/nl_base.h
@@ -14,6 +14,7 @@
#include "plib/palloc.h" // owned_ptr
#include "plib/pdynlib.h"
+#include "plib/pexception.h"
#include "plib/pfmtlog.h"
#include "plib/pfunction.h"
#include "plib/plists.h"
@@ -23,7 +24,6 @@
#include "plib/pstonum.h"
#include "plib/pstream.h"
#include "plib/ptime.h"
-#include "plib/pexception.h"
#include "nl_errstr.h"
#include "nltypes.h"
@@ -153,15 +153,15 @@ class NETLIB_NAME(name) : public device_t
#define NETLIB_DELEGATE(chip, name) nldelegate(&NETLIB_NAME(chip) :: name, this)
#define NETLIB_UPDATE_TERMINALSI() virtual void update_terminals() noexcept override
-#define NETLIB_HANDLERI(name) virtual void name() NL_NOEXCEPT
-#define NETLIB_UPDATEI() virtual void update() NL_NOEXCEPT override
+#define NETLIB_HANDLERI(name) virtual void name() noexcept
+#define NETLIB_UPDATEI() virtual void update() noexcept override
#define NETLIB_UPDATE_PARAMI() virtual void update_param() noexcept override
#define NETLIB_RESETI() virtual void reset() override
#define NETLIB_SUB(chip) nld_ ## chip
#define NETLIB_SUB_UPTR(ns, chip) unique_pool_ptr< ns :: nld_ ## chip >
-#define NETLIB_HANDLER(chip, name) void NETLIB_NAME(chip) :: name() NL_NOEXCEPT
+#define NETLIB_HANDLER(chip, name) void NETLIB_NAME(chip) :: name() noexcept
#define NETLIB_UPDATE(chip) NETLIB_HANDLER(chip, update)
#define NETLIB_RESET(chip) void NETLIB_NAME(chip) :: reset(void)
@@ -171,19 +171,6 @@ class NETLIB_NAME(name) : public device_t
#define NETLIB_UPDATE_TERMINALS(chip) void NETLIB_NAME(chip) :: update_terminals() noexcept
//============================================================
-// Asserts
-//============================================================
-
-#if defined(MAME_DEBUG) || (NL_DEBUG == true)
-#define nl_assert(x) passert_always(x);
-#define NL_NOEXCEPT
-#else
-#define nl_assert(x) do { } while (0)
-#define NL_NOEXCEPT noexcept
-#endif
-#define nl_assert_always(x, msg) passert_always_msg(x, msg)
-
-//============================================================
// Namespace starts
//============================================================
@@ -271,7 +258,8 @@ namespace netlist
virtual unique_pool_ptr<devices::nld_base_a_to_d_proxy> create_a_d_proxy(netlist_state_t &anetlist, const pstring &name,
logic_input_t *proxied) const = 0;
- nl_fptype fixed_V() const noexcept{ return m_fixed_V; }
+ // FIXME: remove fixed_V()
+ nl_fptype fixed_V() const noexcept{return m_fixed_V; }
nl_fptype low_thresh_V(nl_fptype VN, nl_fptype VP) const noexcept{ return VN + (VP - VN) * m_low_thresh_PCNT; }
nl_fptype high_thresh_V(nl_fptype VN, nl_fptype VP) const noexcept{ return VN + (VP - VN) * m_high_thresh_PCNT; }
nl_fptype low_offset_V() const noexcept{ return m_low_VO; }
@@ -678,7 +666,7 @@ namespace netlist
bool is_queued() const noexcept { return m_in_queue == queue_status::QUEUED; }
template <bool KEEP_STATS>
- void update_devs() NL_NOEXCEPT;
+ void update_devs() noexcept;
netlist_time next_scheduled_time() const noexcept { return m_next_scheduled_time; }
void set_next_scheduled_time(netlist_time ntime) noexcept { m_next_scheduled_time = ntime; }
@@ -874,7 +862,7 @@ namespace netlist
logic_input_t(core_device_t &dev, const pstring &aname,
nldelegate delegate = nldelegate());
- netlist_sig_t operator()() const NL_NOEXCEPT
+ netlist_sig_t operator()() const noexcept
{
return Q();
}
@@ -884,7 +872,7 @@ namespace netlist
void activate_hl() noexcept;
void activate_lh() noexcept;
private:
- netlist_sig_t Q() const NL_NOEXCEPT;
+ netlist_sig_t Q() const noexcept;
};
// -----------------------------------------------------------------------------
@@ -1048,7 +1036,7 @@ namespace netlist
unique_pool_ptr<stats_t> m_stats;
- virtual void update() NL_NOEXCEPT { }
+ virtual void update() noexcept { }
virtual void reset() { }
protected:
@@ -1946,7 +1934,7 @@ namespace netlist
return static_cast<const logic_net_t &>(core_terminal_t::net());
}
- inline netlist_sig_t logic_input_t::Q() const NL_NOEXCEPT
+ inline netlist_sig_t logic_input_t::Q() const noexcept
{
nl_assert(terminal_state() != STATE_INP_PASSIVE);
//if (net().Q() != m_Q)
@@ -2056,7 +2044,7 @@ namespace netlist
}
template <bool KEEP_STATS>
- inline void detail::net_t::update_devs() NL_NOEXCEPT
+ inline void detail::net_t::update_devs() noexcept
{
nl_assert(this->isRailNet());
diff --git a/src/lib/netlist/nl_config.h b/src/lib/netlist/nl_config.h
index b6b89d5ad2a..c3e3124787f 100644
--- a/src/lib/netlist/nl_config.h
+++ b/src/lib/netlist/nl_config.h
@@ -8,6 +8,7 @@
#define NLCONFIG_H_
#include "plib/pconfig.h"
+#include "plib/pexception.h"
/// \addtogroup compiledefine
/// \{
@@ -225,4 +226,15 @@ namespace netlist
#endif
} // namespace netlist
+//============================================================
+// Asserts
+//============================================================
+
+#if defined(MAME_DEBUG) || (NL_DEBUG == true)
+#define nl_assert(x) passert_always(x);
+#else
+#define nl_assert(x) do { } while (0)
+#endif
+#define nl_assert_always(x, msg) passert_always_msg(x, msg)
+
#endif // NLCONFIG_H_
diff --git a/src/lib/netlist/nl_errstr.h b/src/lib/netlist/nl_errstr.h
index 12de0696712..0ca71a75461 100644
--- a/src/lib/netlist/nl_errstr.h
+++ b/src/lib/netlist/nl_errstr.h
@@ -19,7 +19,7 @@
#define PERRMSGV(name, narg, str) \
struct name \
{ \
- template<typename... Args> name(Args&&... args) \
+ template<typename... Args> explicit name(Args&&... args) \
: m_m(plib::pfmt(str)(std::forward<Args>(args)...)) \
{ static_assert(narg == sizeof...(args), "Argument count mismatch"); } \
operator pstring() const noexcept { return m_m; } \
@@ -116,7 +116,7 @@ namespace netlist
// nlid_proxy.cpp
- PERRMSGV(MI_NO_POWER_TERMINALS_ON_DEVICE_1, 1, "D/A Proxy: Found no valid combination of power terminals on device {1}")
+ PERRMSGV(MI_NO_POWER_TERMINALS_ON_DEVICE_2, 2, "D/A Proxy {1}: Found no valid combination of power terminals on device {2}")
PERRMSGV(MI_MULTIPLE_POWER_TERMINALS_ON_DEVICE, 5, "D/A Proxy: Found multiple power terminals on device {1}: {2} {3} {4} {5}")
// nld_matrix_solver.cpp
diff --git a/src/lib/netlist/nl_setup.cpp b/src/lib/netlist/nl_setup.cpp
index e9b0ef6c34f..cb02b38ce7b 100644
--- a/src/lib/netlist/nl_setup.cpp
+++ b/src/lib/netlist/nl_setup.cpp
@@ -590,9 +590,10 @@ devices::nld_base_proxy *setup_t::get_d_a_proxy(detail::core_terminal_t &out)
out.net().core_terms().clear(); // clear the list
out.net().add_terminal(new_proxy->in());
- out_cast.set_proxy(proxy);
+ //out_cast.set_proxy(proxy); - Wrong!
proxy = new_proxy.get();
+ out_cast.set_proxy(proxy);
m_nlstate.register_device(new_proxy->name(), std::move(new_proxy));
}
diff --git a/src/lib/netlist/plib/palloc.h b/src/lib/netlist/plib/palloc.h
index 50aa880320e..5262d0c569d 100644
--- a/src/lib/netlist/plib/palloc.h
+++ b/src/lib/netlist/plib/palloc.h
@@ -205,7 +205,7 @@ namespace plib {
//~arena_allocator() noexcept = default;
- arena_allocator(arena_type & a) noexcept : m_a(a)
+ explicit arena_allocator(const arena_type & a) noexcept : m_a(a)
{
}
diff --git a/src/lib/netlist/plib/pmempool.h b/src/lib/netlist/plib/pmempool.h
index 60acf014295..1e197fdfc82 100644
--- a/src/lib/netlist/plib/pmempool.h
+++ b/src/lib/netlist/plib/pmempool.h
@@ -8,8 +8,8 @@
/// \file pmempool.h
///
-#include "pconfig.h"
#include "palloc.h"
+#include "pconfig.h"
#include "pstream.h"
#include "pstring.h"
#include "ptypes.h"
@@ -63,13 +63,13 @@ namespace plib {
//::operator delete(b->m_data);
}
}
-
+#if 0
static inline mempool &instance()
{
static mempool s_mempool;
return s_mempool;
}
-
+#endif
void *allocate(size_t align, size_t size)
{
block *b = nullptr;
diff --git a/src/lib/netlist/plib/ptokenizer.cpp b/src/lib/netlist/plib/ptokenizer.cpp
index 23d0903ae2a..95b63f7f161 100644
--- a/src/lib/netlist/plib/ptokenizer.cpp
+++ b/src/lib/netlist/plib/ptokenizer.cpp
@@ -12,7 +12,7 @@ namespace plib {
// A simple tokenizer
// ----------------------------------------------------------------------------------------
- pstring ptokenizer::currentline_str()
+ pstring ptokenizer::currentline_str() const
{
return m_cur_line;
}
diff --git a/src/lib/netlist/plib/ptokenizer.h b/src/lib/netlist/plib/ptokenizer.h
index b6e94c0546f..d0c05b4b75a 100644
--- a/src/lib/netlist/plib/ptokenizer.h
+++ b/src/lib/netlist/plib/ptokenizer.h
@@ -94,7 +94,7 @@ namespace plib {
pstring m_token;
};
- pstring currentline_str();
+ pstring currentline_str() const;
// tokenizer stuff follows ...
diff --git a/src/lib/netlist/solver/nld_matrix_solver.cpp b/src/lib/netlist/solver/nld_matrix_solver.cpp
index 5bd4be1e096..0f3b5cf2128 100644
--- a/src/lib/netlist/solver/nld_matrix_solver.cpp
+++ b/src/lib/netlist/solver/nld_matrix_solver.cpp
@@ -361,7 +361,7 @@ namespace solver
m_last_step = netlist_time::zero();
}
- void matrix_solver_t::update() NL_NOEXCEPT
+ void matrix_solver_t::update() noexcept
{
const netlist_time new_timestep = solve(exec().time());
update_inputs();