GCC Code Coverage Report
Directory: . Exec Total Coverage
File: src/prop/minisat/mtl/Sort.h Lines: 27 27 100.0 %
Date: 2021-09-11 Branches: 49 56 87.5 %

Line Exec Source
1
/******************************************************************************************[Sort.h]
2
Copyright (c) 2003-2007, Niklas Een, Niklas Sorensson
3
Copyright (c) 2007-2010, Niklas Sorensson
4
5
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
6
associated documentation files (the "Software"), to deal in the Software without restriction,
7
including without limitation the rights to use, copy, modify, merge, publish, distribute,
8
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
9
furnished to do so, subject to the following conditions:
10
11
The above copyright notice and this permission notice shall be included in all copies or
12
substantial portions of the Software.
13
14
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
15
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
17
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
18
OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19
**************************************************************************************************/
20
21
#ifndef Minisat_Sort_h
22
#define Minisat_Sort_h
23
24
#include "prop/minisat/mtl/Vec.h"
25
26
//=================================================================================================
27
// Some sorting algorithms for vec's
28
29
namespace cvc5 {
30
namespace Minisat {
31
32
template<class T>
33
struct LessThan_default {
34
25644382
    bool operator () (T x, T y) { return x < y; }
35
};
36
37
38
template <class T, class LessThan>
39
7678179
void selectionSort(T* array, int size, LessThan lt)
40
{
41
    int     i, j, best_i;
42
    T       tmp;
43
44
23068244
    for (i = 0; i < size-1; i++){
45
15390065
        best_i = i;
46
56350226
        for (j = i+1; j < size; j++){
47
40960161
            if (lt(array[j], array[best_i]))
48
8312269
                best_i = j;
49
        }
50
15390065
        tmp = array[i]; array[i] = array[best_i]; array[best_i] = tmp;
51
    }
52
7678179
}
53
template <class T> static inline void selectionSort(T* array, int size) {
54
    selectionSort(array, size, LessThan_default<T>()); }
55
56
template <class T, class LessThan>
57
7914710
void sort(T* array, int size, LessThan lt)
58
{
59
7914710
    if (size <= 15)
60
7678179
        selectionSort(array, size, lt);
61
62
    else{
63
236531
        T           pivot = array[size / 2];
64
        T           tmp;
65
236531
        int         i = -1;
66
236531
        int         j = size;
67
68
1538399
        for(;;){
69
5147680
            do i++; while(lt(array[i], pivot));
70
4806942
            do j--; while(lt(pivot, array[j]));
71
72
1774930
            if (i >= j) break;
73
74
1538399
            tmp = array[i]; array[i] = array[j]; array[j] = tmp;
75
        }
76
77
236531
        sort(array    , i     , lt);
78
236531
        sort(&array[i], size-i, lt);
79
    }
80
7914710
}
81
template <class T> static inline void sort(T* array, int size) {
82
    sort(array, size, LessThan_default<T>()); }
83
84
85
//=================================================================================================
86
// For 'vec's:
87
88
89
7441648
template <class T, class LessThan> void sort(vec<T>& v, LessThan lt) {
90
7441648
    sort((T*)v, v.size(), lt); }
91
3830105
template <class T> void sort(vec<T>& v) {
92
3830105
    sort(v, LessThan_default<T>()); }
93
94
95
//=================================================================================================
96
}
97
}  // namespace cvc5
98
99
#endif