/afs/in2p3.fr/throng/virgo/virgoDev/SoftFlorent/GWOLLUM/v2r1/src/Utils/CUtils.h Source File

00001 
00002 //  Author : florent robinet (LAL - Orsay): robinet@lal.in2p3.fr
00004 #ifndef __CUtils__
00005 #define __CUtils__
00006 
00007 #include <iostream>
00008 #include <iomanip>
00009 #include <math.h>
00010 #include <stdlib.h>
00011 #include <string.h>
00012 #include <vector>
00013 #include <stdio.h>
00014 #include <sstream>
00015 //#include <strstream>
00016 #include <fstream>
00017 #include <regex.h>
00018 // FIXME: this is a bug for ROOT v < 5.26 -> to be removed later
00019 #ifndef __CINT__
00020 #include <dirent.h>
00021 #include <glob.h>
00022 #include <fnmatch.h>
00023 #endif
00024 
00025 #define LN2 0.6931471805599453094172321214581766  
00027 using namespace std;
00028 
00034 inline bool IsPowerOfTwo (unsigned int x){ return ((x != 0) && !(x & (x - 1))); };
00035 
00036 
00041 inline int NextPowerOfTwo (double x){ 
00042   return (int)pow(2.0,ceil(log(x)/log(2.0))); 
00043 };
00044 
00045 
00050 double medianbiasfactor(const int nn);
00051 
00059 vector<string> SplitString(const string stringtodivide, const char separator);
00060 
00069 string ReplaceAll(string str, const string& from, const string& to);
00070 
00076 bool IsDirectory(const char* dirname);
00077 
00083 inline bool IsDirectory(const string dirname){ return IsDirectory(dirname.c_str()); };
00084 
00091 bool ListDirectories(const string maindir, vector <string> &subdir);
00092 
00098 bool IsTextFile(const char* filename);
00099 
00105 inline bool IsTextFile(const string filename){ return IsTextFile(filename.c_str()); };
00106 
00112 bool IsBinaryFile(const char* filename);
00113 
00119 inline bool IsBinaryFile(const string filename){ return IsBinaryFile(filename.c_str()); };
00120 
00126 vector<string> Glob(const char* pattern);
00127 
00128 #endif
00129 
00130