Motion Strategy Library

00001 #if defined(__unix__)
00002 #include <unistd.h>
00003 #include <pwd.h>
00004 #include <sys/time.h>
00005 #include <sys/times.h>
00006 #include <sys/types.h>
00007 #endif
00008 
00009 #include "util.h"
00010 
00011 float used_time()
00012 { 
00013 #if defined(__unix__)
00014 
00015 #if defined(CLK_TCK)
00016   long clk_tck = CLK_TCK;
00017 #else
00018   long clk_tck = HZ;
00019 //long clk_tck = sysconf(_SC_CLK_TCK);
00020 #endif
00021 
00022   tms x;
00023   times(&x);
00024   return  float(x.tms_utime)/clk_tck;
00025 
00026 #else
00027 
00028   return  float(clock())/CLOCKS_PER_SEC;
00029 
00030 #endif
00031 }
00032 
00033 
00034 float used_time(float& T)
00035 { float t = T;
00036   T = used_time();
00037   return  T-t;
00038 }
00039 
00040 
00041 
00042 ostream& operator<<(ostream& out, const list<string>& L)
00043 {
00044   list<string>::iterator x; 
00045   list<string> vl;
00046   vl = L;
00047   for (x = vl.begin(); x != vl.end(); x++) 
00048     out << *x << "\n";
00049   return out;
00050 }
00051 
00052 
00053 istream& operator>>(istream& in, list<string>& L)
00054 { 
00055   L.clear();
00056   string x;
00057   for(;;)
00058     { 
00059       char c;
00060       while (in.get(c) && isspace(c));
00061       if (!in) break;
00062       in.putback(c);
00063       x = string(); in >> x; L.push_back(x);
00064     }
00065   return in;
00066 }
00067 
00068 ostream& operator<<(ostream& out, const list<int>& L)
00069 {
00070   list<int>::iterator x; 
00071   list<int> vl;
00072   vl = L;
00073   for (x = vl.begin(); x != vl.end(); x++) 
00074     out << *x << "\n";
00075   return out;
00076 }
00077 
00078 
00079 istream& operator>>(istream& in, list<int>& L)
00080 { 
00081   L.clear();
00082   int x;
00083   for(;;)
00084     { 
00085       char c;
00086       while (in.get(c) && isspace(c));
00087       if (!in) break;
00088       in.putback(c);
00089       in >> x; L.push_back(x);
00090     }
00091   return in;
00092 }
00093 
00094 
00095 bool is_file(string fname)
00096 { struct stat stat_buf;
00097   if (stat(fname.c_str(),&stat_buf) != 0) return false;
00098   return (stat_buf.st_mode & S_IFMT) == S_IFREG;
00099 }
00100 
00101 
00102 bool is_directory(string fname)
00103 { struct stat stat_buf;
00104   if (stat(fname.c_str(),&stat_buf) != 0) return false;
00105   return (stat_buf.st_mode & S_IFMT) == S_IFDIR;
00106 }
util.C
