humotion / src / timestamp.cpp @ 728b1c95
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#include "timestamp.h" |
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#include <math.h> |
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using namespace std; |
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using namespace humotion; |
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Timestamp::Timestamp(void){
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//init of an empty timestamp will be assigned to the current system time
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set(now()); |
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} |
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Timestamp::Timestamp(int32_t _sec, int32_t _nsec){
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set(_sec, _nsec); |
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} |
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Timestamp::Timestamp(double dsec){
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double fsec, fnsec;
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fnsec = modf (dsec , &fsec); |
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sec = fsec; |
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nsec = fnsec * 1000000000.0; |
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} |
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Timestamp Timestamp::now(void){
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struct timespec tp;
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clock_gettime(CLOCK_REALTIME, &tp); |
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return Timestamp(tp.tv_sec, tp.tv_nsec);
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} |
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void Timestamp::set(int32_t _sec, int32_t _nsec){
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sec = _sec; |
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nsec = _nsec; |
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} |
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void Timestamp::set(Timestamp a){
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set(a.sec, a.nsec); |
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} |
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double Timestamp::to_seconds(void){ |
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return sec + ((double)nsec)/1000000000.0; |
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} |
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bool Timestamp::operator<= (Timestamp &cmp){ |
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if (sec < cmp.sec){
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return true; |
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}else if (sec > cmp.sec){ |
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return false; |
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}else{ //(a.sec == b.sec) |
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//seconds are equal, check nsec:
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return (nsec <= cmp.nsec);
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} |
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} |
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bool Timestamp::is_null(void){ |
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return (sec == 0) && (nsec == 0); |
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} |
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bool Timestamp::operator< (Timestamp &cmp){ |
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if (sec < cmp.sec){
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return true; |
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}else if (sec > cmp.sec){ |
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return false; |
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}else{ //(a.sec == b.sec) |
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//seconds are equal, check nsec:
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return (nsec < cmp.nsec);
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} |
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} |
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bool Timestamp::operator>= (Timestamp &cmp){ |
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if (sec > cmp.sec){
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return true; |
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}else if (sec < cmp.sec){ |
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return false; |
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}else{ //(a.sec == b.sec) |
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//seconds are equal, check nsec:
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return (nsec >= cmp.nsec);
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} |
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} |
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bool Timestamp::operator> (Timestamp &cmp){ |
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if (sec > cmp.sec){
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return true; |
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}else if (sec < cmp.sec){ |
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return false; |
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}else{ //(a.sec == b.sec) |
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//seconds are equal, check nsec:
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return (nsec > cmp.nsec);
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} |
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} |
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bool Timestamp::operator== (Timestamp &cmp){ |
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return (sec == cmp.sec) && (nsec == cmp.nsec);
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} |
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bool Timestamp::operator!= (Timestamp &cmp){ |
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return !(*this == cmp); |
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} |
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