MemoryInfo.cpp

00001 /*
00002  *  Copyright (C) 2010  Regents of the University of Michigan
00003  *
00004  *   This program is free software: you can redistribute it and/or modify
00005  *   it under the terms of the GNU General Public License as published by
00006  *   the Free Software Foundation, either version 3 of the License, or
00007  *   (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details.
00013  *
00014  *   You should have received a copy of the GNU General Public License
00015  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 
00018 #include "MemoryInfo.h"
00019 
00020 String & MemoryInfo(double bytes)
00021 {
00022     static String info;
00023 
00024     if (bytes < 1024)
00025         return info = "<1.0 kb";
00026 
00027     if (bytes < 1024. * 1024.)
00028         info.printf("%.1f kb", (bytes + 1023) / 1024.);
00029     else if (bytes < 1024. * 1024. * 1024.)
00030         info.printf("%.1f mb", (bytes + 1024. * 1024. - 1) / (1024. * 1024.));
00031     else if (bytes < 1024. * 1024. * 1024. * 1024.)
00032         info.printf("%.1f gb", bytes / (1024. * 1024. * 1024.));
00033     else
00034         info.printf("%.1f tb", bytes / (1024. * 1024. * 1024. * 1024.));
00035 
00036     return info;
00037 }