/usr/include/OpenSP/ISet.cxx is in libosp-dev 1.5.2-10ubuntu3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | // Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef ISet_DEF_INCLUDED
#define ISet_DEF_INCLUDED 1
#include <stdlib.h>
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
template<class T>
ISet<T>::ISet()
{
}
template<class T>
ISet<T>::~ISet()
{
}
template<class T>
ISet<T>::ISet(const T *v, size_t n)
{
for (size_t i = 0; i < n; i++)
add(v[i]);
}
template<class T>
Boolean ISet<T>::contains(T x) const
{
for (size_t i = 0; i < r_.size(); i++)
if (r_[i].max >= x)
return r_[i].min <= x ? 1 : 0;
return 0;
}
template<class T>
void ISet<T>::addRange(T min, T max)
{
size_t i;
if (min == 0)
i = 0;
else {
for (i = r_.size(); i > 0 && min - 1 <= r_[i - 1].max; i--)
;
}
// r_[i - 1].max < min - 1 <= r_[i].max
if (i < r_.size() && (r_[i].min == 0 || max >= r_[i].min - 1)) {
// we can coelesce
if (min < r_[i].min)
r_[i].min = min;
if (max > r_[i].max) {
r_[i].max = max;
size_t j;
for (j = i + 1; j < r_.size() && r_[i].max >= r_[j].min - 1; j++)
r_[i].max = r_[j].max;
// get rid of i + 1 ... j - 1
if (j > i + 1) {
for (size_t k = j; k < r_.size(); k++)
r_[k - (j - i - 1)] = r_[k];
r_.resize(r_.size() - (j - i - 1));
}
}
}
else {
// r_[i - 1].max < min - 1
// max + 1 < r_[i].min
r_.resize(r_.size() + 1);
for (size_t j = r_.size() - 1; j > i; j--)
r_[j] = r_[j - 1];
r_[i].max = max;
r_[i].min = min;
}
}
template<class T>
void ISet<T>::remove(T c)
{
for (size_t i = 0; i < r_.size(); i++)
if (r_[i].max >= c) {
if (r_[i].min <= c) {
if (r_[i].min == r_[i].max) {
while (++i < r_.size())
r_[i - 1] = r_[i];
r_.resize(r_.size() - 1);
}
else if (c == r_[i].min)
r_[i].min += 1;
else if (c == r_[i].max)
r_[i].max -= 1;
else {
r_.resize(r_.size() + 1);
// split the range
// subtracting 2 is safe since we know that the length is >= 2
for (size_t j = r_.size() - 2; j > i; j--)
r_[j + 1] = r_[j];
r_[i + 1].max = r_[i].max;
r_[i + 1].min = c + 1;
r_[i].max = c - 1;
}
}
break;
}
}
template<class T>
void ISet<T>::check()
{
for (size_t i = 0; i < r_.size(); i++) {
if (r_[i].min > r_[i].max)
abort();
// adjacent ranges must be coalesced
if (i > 0 && r_[i].min - 1 <= r_[i - 1].max)
abort();
}
}
template<class T>
void ISet<T>::clear()
{
r_.resize(0);
}
#ifdef SP_NAMESPACE
}
#endif
#endif /* not ISet_DEF_INCLUDED */
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