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
|
///////////////////////////////////////////////////////////////////////////////
// //
// This file is part of ModelBlocks. Copyright 2009, ModelBlocks developers. //
// //
// ModelBlocks 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 3 of the License, or //
// (at your option) any later version. //
// //
// ModelBlocks 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 ModelBlocks. If not, see <http://www.gnu.org/licenses/>. //
// //
// ModelBlocks developers designate this particular file as subject to //
// the "Moses" exception as provided by ModelBlocks developers in //
// the LICENSE file that accompanies this code. //
// //
///////////////////////////////////////////////////////////////////////////////
/***********************************************
* nl-tetrahex.h
* a little header with some base conversion stuff
* so that we can represent base 16, 32 or 64 with
* one character.
* 0, 1, 2, ..., 9, A, B, ..., Y, Z, a, b, ..., z, {, |
* 0 1 2 9 10 11 34 35 36 37 61 62 63
***********************************************/
#include <cassert>
#ifndef NL_TETRAHEX
#define NL_TETRAHEX
char intToTetraHex(int i) {
assert(i < 64 && i >= 0);
if(i < 10) return (i + '0');
if(i > 35) return (i + 'a' - 36);
return (i + 'A' - 10);
}
int tetraHexToInt(char c) {
if(c < '0')
fprintf(stderr, "Bad c: %d\n",(int)c);
assert(c >= '0');
if(c - '0' < 10) return (int)(c-'0');
assert(c >= 'A');
if(c - 'A' < 26) return (int)(c-'A'+10);
assert(c >= 'a' && c < '}');
return (int)(c-'a'+36);
}
#endif
|
