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
|
/*
misc.c: various random things that don't belong anywhere else
Copyright (C) 2007, 2008, David Harvey
This file is part of the zn_poly library (version 0.8).
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) version 3 of the License.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "zn_poly_internal.h"
char* ZNP_version_string = "0.8";
const char* zn_poly_version_string()
{
return ZNP_version_string;
}
int floor_lg(ulong x)
{
int result = -1;
while (x)
{
x >>= 1;
result++;
}
return result;
}
int ceil_lg(ulong x)
{
ZNP_ASSERT(x >= 1);
return floor_lg(x - 1) + 1;
}
// end of file ****************************************************************
|
