00001 /*!@file Util/BinaryConversion.H Utilities that relate to converting binary 00002 to float, etc. */ 00003 00004 // //////////////////////////////////////////////////////////////////// // 00005 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005 // 00006 // by the University of Southern California (USC) and the iLab at USC. // 00007 // See http://iLab.usc.edu for information about this project. // 00008 // //////////////////////////////////////////////////////////////////// // 00009 // Major portions of the iLab Neuromorphic Vision Toolkit are protected // 00010 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency // 00011 // in Visual Environments, and Applications'' by Christof Koch and // 00012 // Laurent Itti, California Institute of Technology, 2001 (patent // 00013 // pending; application number 09/912,225 filed July 23, 2001; see // 00014 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status). // 00015 // //////////////////////////////////////////////////////////////////// // 00016 // This file is part of the iLab Neuromorphic Vision C++ Toolkit. // 00017 // // 00018 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can // 00019 // redistribute it and/or modify it under the terms of the GNU General // 00020 // Public License as published by the Free Software Foundation; either // 00021 // version 2 of the License, or (at your option) any later version. // 00022 // // 00023 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope // 00024 // that it will be useful, but WITHOUT ANY WARRANTY; without even the // 00025 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // 00026 // PURPOSE. See the GNU General Public License for more details. // 00027 // // 00028 // You should have received a copy of the GNU General Public License // 00029 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write // 00030 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // 00031 // Boston, MA 02111-1307 USA. // 00032 // //////////////////////////////////////////////////////////////////// // 00033 // 00034 // Primary maintainer for this file: 00035 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Util/BinaryConversion.H $ 00036 // $Id: BinaryConversion.H 12962 2010-03-06 02:13:53Z irock $ 00037 // 00038 00039 #ifndef UTIL_BINARYCONVERSION_H_DEFINED 00040 #define UTIL_BINARYCONVERSION_H_DEFINED 00041 00042 namespace binaryconversion { 00043 00044 // ###################################################################### 00045 // inline function implementations 00046 // ###################################################################### 00047 00048 //! convert an array of 4 bytes to a float 00049 inline float FloatFromBytes(const unsigned char* input, bool msbFirst) 00050 { 00051 float f = 0; 00052 if(msbFirst) 00053 { 00054 ((unsigned char*)(&f))[0] = input[3]; 00055 ((unsigned char*)(&f))[1] = input[2]; 00056 ((unsigned char*)(&f))[2] = input[1]; 00057 ((unsigned char*)(&f))[3] = input[0]; 00058 } 00059 else 00060 { 00061 ((unsigned char*)(&f))[0] = input[0]; 00062 ((unsigned char*)(&f))[1] = input[1]; 00063 ((unsigned char*)(&f))[2] = input[2]; 00064 ((unsigned char*)(&f))[3] = input[3]; 00065 } 00066 return f; 00067 } 00068 00069 }; // namespace binary conversion 00070 00071 // ###################################################################### 00072 /* So things look consistent in everyone's emacs... */ 00073 /* Local Variables: */ 00074 /* mode: c++ */ 00075 /* indent-tabs-mode: nil */ 00076 /* End: */ 00077 00078 #endif // UTIL_BINARYCONVERSION_H_DEFINED
1.6.3