/usr/include/ubuntu-location-service-0/com/ubuntu/location/heading.h is in libubuntu-location-service-dev 0.0.2+14.04.20140307-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /*
* Copyright © 2012-2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#ifndef LOCATION_SERVICE_COM_UBUNTU_LOCATION_HEADING_H_
#define LOCATION_SERVICE_COM_UBUNTU_LOCATION_HEADING_H_
#include "com/ubuntu/location/accuracy.h"
#include "com/ubuntu/location/units/units.h"
#include <limits>
#include <ostream>
#include <stdexcept>
namespace com
{
namespace ubuntu
{
namespace location
{
struct Heading
{
typedef units::PlaneAngle Unit;
typedef units::Quantity<Unit> Quantity;
static const Quantity& min()
{
static const auto instance = Heading::Quantity::from_value(0.);
return instance;
}
static const Quantity& max()
{
static const auto instance = Heading::Quantity::from_value(360.);
return instance;
}
Heading(const Quantity& value = Quantity()) : value(value)
{
if (value < min())
throw std::out_of_range("");
if (value > max())
throw std::out_of_range("");
}
bool operator==(const Heading& rhs) const
{
return value == rhs.value;
}
bool operator!=(const Heading& rhs) const
{
return value != rhs.value;
}
Quantity value;
};
inline std::ostream& operator<<(std::ostream& out, const Heading& heading)
{
out << "Heading(" << heading.value << ")";
return out;
}
template<>
struct AccuracyTraits<Heading>
{
static AccuracyLevel classify(const Heading& h)
{
static const auto half = 0.5 * Heading::max();
if(h.value > half)
return AccuracyLevel::worst;
if(h.value < half)
return AccuracyLevel::best;
return AccuracyLevel::worst;
}
static Accuracy<Heading> best()
{
return Accuracy<Heading>{Heading{Heading::min()}};
}
static Accuracy<Heading> worst()
{
return Accuracy<Heading>{Heading{Heading::max()}};
}
};
}
}
}
#endif // LOCATION_SERVICE_COM_UBUNTU_LOCATION_HEADING_H_
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