/usr/include/gecode/int/task/event.hpp is in libgecode-dev 5.1.0-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2015
*
* Last modified:
* $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
* $Revision: 14967 $
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
namespace Gecode { namespace Int {
forceinline void
Event::init(Event::Type e0, int t0, int i0) {
ei=static_cast<unsigned int>(e0 | (i0 << 3)); t=t0;
}
forceinline Event::Type
Event::type(void) const {
return static_cast<Type>(ei & 7);
}
forceinline int
Event::time(void) const {
return t;
}
forceinline int
Event::idx(void) const {
return static_cast<int>(ei >> 3);;
}
forceinline bool
Event::operator <(const Event& e) const {
if (time() == e.time())
return type() < e.type();
return time() < e.time();
}
template<class Char, class Traits>
inline std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const Event& e) {
std::basic_ostringstream<Char,Traits> s;
s.copyfmt(os); s.width(0);
s << '[';
switch (e.type()) {
case Event::LRT: s << "LRT"; break;
case Event::LCT: s << "LCT"; break;
case Event::EST: s << "EST"; break;
case Event::ZRO: s << "ZRO"; break;
case Event::ERT: s << "ERT"; break;
default: GECODE_NEVER;
}
s << ',' << e.time() << ',' << e.idx() << ']';
return os << s.str();
}
template<class Task>
forceinline Event*
Event::events(Region& r, const TaskArray<Task>& t, bool& assigned) {
Event* e = r.alloc<Event>(4*t.size()+1);
// Initialize events
assigned=true;
bool required=false;
int n=0;
for (int i=t.size(); i--; )
if (t[i].assigned()) {
// Only add required part
if (t[i].pmin() > 0) {
required = true;
e[n++].init(Event::ERT,t[i].lst(),i);
e[n++].init(Event::LRT,t[i].ect(),i);
} else if (t[i].pmax() == 0) {
required = true;
e[n++].init(Event::ZRO,t[i].lst(),i);
}
} else {
assigned = false;
e[n++].init(Event::EST,t[i].est(),i);
e[n++].init(Event::LCT,t[i].lct(),i);
// Check whether task has required part
if (t[i].lst() < t[i].ect()) {
required = true;
e[n++].init(Event::ERT,t[i].lst(),i);
e[n++].init(Event::LRT,t[i].ect(),i);
}
}
if (!required)
return NULL;
// Sort events
Support::quicksort(e, n);
// Write end marker
e[n++].init(Event::END,Limits::infinity,0);
return e;
}
template<class Task>
forceinline Event*
Event::events(Region& r, const TaskArray<Task>& t) {
Event* e = r.alloc<Event>(2*t.size()+1);
// Only add assigned and mandatory tasks
int n=0;
for (int i=t.size(); i--; )
if (t[i].assigned() && t[i].mandatory()) {
if (t[i].pmin() > 0) {
e[n++].init(Event::ERT,t[i].lst(),i);
e[n++].init(Event::LRT,t[i].ect(),i);
} else if (t[i].pmax() == 0) {
e[n++].init(Event::ZRO,t[i].lst(),i);
}
} else {
assert(!t[i].excluded());
return NULL;
}
// Sort events
Support::quicksort(e, n);
// Write end marker
e[n++].init(Event::END,Limits::infinity,0);
return e;
}
}}
// STATISTICS: int-prop
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