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// HtTime.h // // class HtTime: // tools for timing // // Part of the ht://Dig package <http://www.htdig.org/> // Copyright (c) 1999-2004 The ht://Dig Group // For copyright details, see the file COPYING in your distribution // or the GNU Library General Public License (LGPL) version 2 or later // <http://www.gnu.org/copyleft/lgpl.html> // // $Id: HtTime.h,v 1.8 2004/05/28 13:15:21 lha Exp $ // #ifndef _HtTime_h_ #define _HtTime_h_ #if TIME_WITH_SYS_TIME #include <sys/time.h> #include <time.h> #else # if HAVE_SYS_TIME_H # include <sys/time.h> # else # include <time.h> # endif #endif #ifdef _MSC_VER /* _WIN32 */ #include <sys/timeb.h> #endif class HtTime { public: // time in seconds (double format) static inline double DTime() { #ifdef _MSC_VER /* _WIN32 */ struct timeb tb; ftime(&tb); return((double)((tb.millitm/1000)+tb.time+tb.timezone)); #else struct timeval tv; gettimeofday(&tv,NULL); return(tv.tv_usec/1000000.0+tv.tv_sec); #endif } // time in seconds relative to T0 (double format) static inline double DTime(double T0) { #ifdef _MSC_VER /* _WIN32 */ struct timeb tb; ftime(&tb); return((double)(((tb.millitm/1000)+tb.time+tb.timezone))-T0); #else struct timeval tv; gettimeofday(&tv,NULL); return((tv.tv_usec/1000000.0+tv.tv_sec)-T0); #endif } // Do something every x seconds class Periodic { double t0; double last; double period; public: double total(){return(HtTime::DTime(t0));} void change_period(double nperiod){period=nperiod;} int operator()(double *prperiod=NULL) { double t=HtTime::DTime(t0); if(prperiod){*prperiod=t-last;} if((t-last)>period) { last=t; return(1); } return(0); } Periodic(double nperiod=.1) { period=nperiod; t0=HtTime::DTime(); last=0; } }; #ifdef NOTDEF // print progression message every x seconds class Progression { double t0; double last; double period; char *label; public: double total(){return(HtTime::DTime()-t0);} int operator()(double x) { double t=HtTime::DTime()-t0; if((t-last)>period) { last=t; printf("%s (%f): %f\n",label,t,x); return(1); } return(0); } Progression(double nperiod=.1,char *nlabel=(char *)"progression") { label=nlabel; period=nperiod; t0=HtTime::DTime(); last=0; } }; #endif }; #endif // _HtTime_h_