report_power NaN
This commit is contained in:
James Cherry
parent
1a84830895
commit
1def4110c0
122
search/Power.cc
122
search/Power.cc
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@ -1,18 +1,10 @@
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// OpenSTA, Static Timing Analyzer
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// Parallax Static Timing Analyzer
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// Copyright (c) 2019, Parallax Software, Inc.
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// All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// No part of this document may be copied, transmitted or
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// disclosed in any form or fashion without the express
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// written consent of Parallax Software, Inc.
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#include <algorithm> // max
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#include "Machine.hh"
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@ -335,6 +327,8 @@ Power::evalActivity(FuncExpr *expr,
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Pin *pin = network_->findPin(inst, expr->port()->name());
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if (pin)
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return findActivity(pin);
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else
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return PwrActivity(0.0, 0.0, PwrActivityOrigin::constant);
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}
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case FuncExpr::op_not: {
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PwrActivity activity1 = evalActivity(expr->left(), inst);
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@ -528,6 +522,13 @@ Power::findInstClk(const Instance *inst)
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return inst_clk;
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}
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void
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check(float x)
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{
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if (std::isnan(x))
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printf("luse\n");
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}
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void
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Power::findInternalPower(const Pin *to_pin,
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const LibertyPort *to_port,
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@ -569,49 +570,62 @@ Power::findInternalPower(const Pin *to_pin,
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if ((when && internalPowerMissingWhen(cell, to_port, related_pg_pin))
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|| pgNameVoltage(cell, related_pg_pin, dcalc_ap) != 0.0) {
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const Pin *from_pin = network_->findPin(inst, from_port);
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Vertex *from_vertex = graph_->pinLoadVertex(from_pin);
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float duty;
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if (infered_when) {
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PwrActivity from_activity = findActivity(from_pin);
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PwrActivity to_activity = findActivity(to_pin);
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float duty1 = evalActivity(infered_when, inst).duty();
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duty = from_activity.activity() / to_activity.activity() * duty1;
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}
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else if (when)
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duty = evalActivity(when, inst).duty();
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else if (search_->isClock(from_vertex))
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duty = 1.0;
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else
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duty = 0.5;
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float port_energy = 0.0;
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TransRiseFallIterator tr_iter;
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while (tr_iter.hasNext()) {
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TransRiseFall *to_tr = tr_iter.next();
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// Should use unateness to find from_tr.
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TransRiseFall *from_tr = to_tr;
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float slew = delayAsFloat(graph_->slew(from_vertex,
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from_tr,
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dcalc_ap->index()));
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float table_energy = pwr->power(to_tr, pvt, slew, load_cap);
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float tr_energy = table_energy * duty;
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debugPrint4(debug_, "power", 3, " %s energy = %9.2e * %.2f = %9.2e\n",
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to_tr->shortName(),
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table_energy,
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if (from_pin) {
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Vertex *from_vertex = graph_->pinLoadVertex(from_pin);
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float duty;
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if (infered_when) {
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PwrActivity from_activity = findActivity(from_pin);
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PwrActivity to_activity = findActivity(to_pin);
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float duty1 = evalActivity(infered_when, inst).duty();
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check(from_activity.activity());
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check(to_activity.activity());
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check(duty1);
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if (to_activity.activity() == 0.0)
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duty = 0.0;
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else
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duty = from_activity.activity() / to_activity.activity() * duty1;
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check(duty);
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}
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else if (when)
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duty = evalActivity(when, inst).duty();
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else if (search_->isClock(from_vertex))
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duty = 1.0;
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else
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duty = 0.5;
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check(duty);
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float port_energy = 0.0;
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TransRiseFallIterator tr_iter;
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while (tr_iter.hasNext()) {
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TransRiseFall *to_tr = tr_iter.next();
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// Should use unateness to find from_tr.
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TransRiseFall *from_tr = to_tr;
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float slew = delayAsFloat(graph_->slew(from_vertex,
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from_tr,
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dcalc_ap->index()));
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float table_energy = pwr->power(to_tr, pvt, slew, load_cap);
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float tr_energy = table_energy * duty;
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debugPrint4(debug_, "power", 3, " %s energy = %9.2e * %.2f = %9.2e\n",
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to_tr->shortName(),
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table_energy,
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duty,
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tr_energy);
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check(slew);
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check(table_energy);
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check(tr_energy);
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port_energy += tr_energy;
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}
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float port_internal = port_energy * to_activity.activity();
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debugPrint8(debug_, "power", 2, " %s -> %s %s %.2f %.2f %9.2e %9.2e %s\n",
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from_port->name(),
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to_port->name(),
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when ? when->asString() : (infered_when ? infered_when->asString() : " "),
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to_activity.activity() * 1e-9,
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duty,
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tr_energy);
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port_energy += tr_energy;
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port_energy,
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port_internal,
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related_pg_pin ? related_pg_pin : "no pg_pin");
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internal += port_internal;
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}
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float port_internal = port_energy * to_activity.activity();
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debugPrint8(debug_, "power", 2, " %s -> %s %s %.2f %.2f %9.2e %9.2e %s\n",
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from_port->name(),
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to_port->name(),
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when ? when->asString() : (infered_when ? infered_when->asString() : " "),
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to_activity.activity() * 1e-9,
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duty,
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port_energy,
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port_internal,
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related_pg_pin ? related_pg_pin : "no pg_pin");
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internal += port_internal;
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}
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if (infered_when)
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infered_when->deleteSubexprs();
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@ -640,7 +640,7 @@ portSlackProperty(const Port *port,
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PropertyValue
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getProperty(const LibertyPort *port,
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const char *property,
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Sta *)
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Sta *sta)
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{
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if (stringEqual(property, "name"))
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return PropertyValue(port->name());
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@ -648,6 +648,10 @@ getProperty(const LibertyPort *port,
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return PropertyValue(port->name());
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else if (stringEqual(property, "direction"))
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return PropertyValue(port->direction()->name());
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else if (stringEqual(property, "capacitance")) {
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float cap = port->capacitance(TransRiseFall::rise(), MinMax::max());
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return PropertyValue(sta->units()->capacitanceUnit()->asString(cap, 6));
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}
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else
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throw PropertyUnknown("liberty port", property);
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}
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@ -863,7 +867,7 @@ getProperty(Clock *clk,
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|| stringEqual(property, "full_name"))
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return PropertyValue(clk->name());
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else if (stringEqual(property, "period"))
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return PropertyValue(sta->units()->timeUnit()->asString(clk->period(), 8));
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return PropertyValue(sta->units()->timeUnit()->asString(clk->period(), 6));
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else if (stringEqual(property, "sources"))
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return PropertyValue(clk->pins());
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else if (stringEqual(property, "propagated"))
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@ -1533,7 +1533,7 @@ using namespace sta;
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Tcl_SetResult(interp, const_cast<char*>(value.stringValue()), TCL_VOLATILE);
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break;
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case PropertyValue::Type::type_float: {
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char *float_string = stringPrint("%.5f", value.floatValue());
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char *float_string = stringPrint("%.6e", value.floatValue());
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Tcl_SetResult(interp, float_string, TCL_VOLATILE);
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stringDelete(float_string);
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}
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