/usr/include/LWH/Measurement.h is in librivet-dev 1.8.3-2build1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | // -*- C++ -*-
#ifndef LWH_Measurement_H
#define LWH_Measurement_H
//
// This is the declaration of the Measurement class representing
//
#include <limits>
#include <cmath>
#include <algorithm>
#include "AIMeasurement.h"
namespace LWH {
using namespace AIDA;
/**
 * Basic user-level interface class for holding a single "measurement"
 * with positive and negative errors (to allow for asymmetric errors).
 * "IMeasurement" = "value" + "errorPlus" - "errorMinus"
 */
class Measurement: public IMeasurement {
public:
  /**
   * Standard constructor.
   */
  Measurement(double v = 0.0, double ep = 0.0, double em = 0.0)
    : val(v), errp(ep), errm(em) {}
  /**
   * Copy constructor.
   */
  Measurement(const Measurement & m)
    :IMeasurement(m), val(m.val), errp(m.errp), errm(m.errm) {}
  /**
   * Destructor.
   */
  virtual ~Measurement() { /* nop */; }
  /**
   * Get the value of the Measurement.
   * @return The value of the Measurement.
   */
  double value() const {
    return val;
  }
  /**
   * Get the plus error of the IMeasurement.
   * @return The plus error.
   */
  double errorPlus() const {
    return errp;
  }
  /**
   * Get the minus error of the IMeasurement.
   * @return The minus error.
   */
  double errorMinus() const {
    return errm;
  }
  /**
   * Set the value of the IMeasurement.
   * @param v The new value of the IMeasurement.
   * @return false If the value cannot be set.
   */
  bool setValue(double v) {
    val = v;
    return true;
  }
  /**
   * Set the plus error of the IMeasurement.
   * @param ep The new plus error of the IMeasurement.
   * @return false If the error cannot be set or it is negative.
   */
  bool setErrorPlus(double ep) {
    errp = ep;
    return ep < 0.0;
  }
  /**
   * Set the minus error of the IMeasurement.
   * @param em The new minus error of the IMeasurement.
   * @return false If the error cannot be set or it is negative.
   */
  bool setErrorMinus(double em) {
    errm = em;
    return em < 0.0;
  }
private:
  /**
   * The value.
   */
  double val;
  /**
   * The plus error.
   */
  double errp;
  /**
   * The minus error.
   */
  double errm;
};
}
#endif /* LWH_Measurement_H */
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