/usr/include/qwt-qt4/qwt_interval_data.h is in libqwt5-qt4-dev 5.2.2-1ubuntu2.
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 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_INTERVAL_DATA_H
#define QWT_INTERVAL_DATA_H 1
#include "qwt_global.h"
#include "qwt_math.h"
#include "qwt_array.h"
#include "qwt_double_interval.h"
#include "qwt_double_rect.h"
#if defined(_MSC_VER) && (_MSC_VER > 1310)
#include <string.h>
#endif
#if defined(QWT_TEMPLATEDLL)
// MOC_SKIP_BEGIN
template class QWT_EXPORT QwtArray<QwtDoubleInterval>;
template class QWT_EXPORT QwtArray<double>;
// MOC_SKIP_END
#endif
/*!
\brief Series of samples of a value and an interval
QwtIntervalData is a series of samples of a value and an interval.
F.e. error bars are built from samples [x, y1-y2], while a
histogram might consist of [x1-x2, y] samples.
*/
class QWT_EXPORT QwtIntervalData
{
public:
QwtIntervalData();
QwtIntervalData(const QwtArray<QwtDoubleInterval> &,
const QwtArray<double> &);
~QwtIntervalData();
void setData(const QwtArray<QwtDoubleInterval> &,
const QwtArray<double> &);
size_t size() const;
const QwtDoubleInterval &interval(size_t i) const;
double value(size_t i) const;
QwtDoubleRect boundingRect() const;
private:
QwtArray<QwtDoubleInterval> d_intervals;
QwtArray<double> d_values;
};
//! \return Number of samples
inline size_t QwtIntervalData::size() const
{
return qwtMin(d_intervals.size(), d_values.size());
}
/*!
Interval of a sample
\param i Sample index
\return Interval
\sa value(), size()
*/
inline const QwtDoubleInterval &QwtIntervalData::interval(size_t i) const
{
return d_intervals[int(i)];
}
/*!
Value of a sample
\param i Sample index
\return Value
\sa interval(), size()
*/
inline double QwtIntervalData::value(size_t i) const
{
return d_values[int(i)];
}
#endif
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