libStatGen Software 1
MemoryInfo.cpp
1/*
2 * Copyright (C) 2010 Regents of the University of Michigan
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "MemoryInfo.h"
19
20String & MemoryInfo(double bytes)
21{
22 static String info;
23
24 if (bytes < 1024)
25 return info = "<1.0 kb";
26
27 if (bytes < 1024. * 1024.)
28 info.printf("%.1f kb", (bytes + 1023) / 1024.);
29 else if (bytes < 1024. * 1024. * 1024.)
30 info.printf("%.1f mb", (bytes + 1024. * 1024. - 1) / (1024. * 1024.));
31 else if (bytes < 1024. * 1024. * 1024. * 1024.)
32 info.printf("%.1f gb", bytes / (1024. * 1024. * 1024.));
33 else
34 info.printf("%.1f tb", bytes / (1024. * 1024. * 1024. * 1024.));
35
36 return info;
37}