humotion / src / timestamp.cpp @ 8db9ba4f
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| 1 | 32327f15 | Simon Schulz | #include "timestamp.h" |
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| 2 | 8db9ba4f | Simon Schulz | #include <math.h> |
| 3 | 32327f15 | Simon Schulz | |
| 4 | using namespace std; |
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| 5 | using namespace humotion; |
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| 6 | |||
| 7 | Timestamp::Timestamp(void){
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| 8 | //init of an empty timestamp will be assigned to the current system time
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| 9 | 8db9ba4f | Simon Schulz | set(now()); |
| 10 | 32327f15 | Simon Schulz | } |
| 11 | |||
| 12 | Timestamp::Timestamp(int32_t _sec, int32_t _nsec){
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| 13 | set(_sec, _nsec); |
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| 14 | } |
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| 15 | |||
| 16 | 8db9ba4f | Simon Schulz | Timestamp::Timestamp(double dsec){
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| 17 | double fsec, fnsec;
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| 18 | fnsec = modf (dsec , &fsec); |
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| 19 | sec = fsec; |
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| 20 | nsec = fnsec * 1000000000.0; |
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| 21 | } |
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| 22 | |||
| 23 | Timestamp Timestamp::now(void){
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| 24 | Timestamp res; |
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| 25 | struct timespec tp;
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| 26 | clock_gettime(CLOCK_REALTIME, &tp); |
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| 27 | res.set(tp.tv_sec, tp.tv_nsec); |
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| 28 | return res;
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| 29 | } |
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| 30 | |||
| 31 | 32327f15 | Simon Schulz | void Timestamp::set(int32_t _sec, int32_t _nsec){
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| 32 | sec = _sec; |
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| 33 | nsec = _nsec; |
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| 34 | } |
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| 35 | |||
| 36 | 8db9ba4f | Simon Schulz | void Timestamp::set(Timestamp a){
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| 37 | set(a.sec, a.nsec); |
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| 38 | } |
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| 39 | |||
| 40 | 32327f15 | Simon Schulz | double Timestamp::to_seconds(void){ |
| 41 | return sec + ((double)nsec)/1000000000.0; |
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| 42 | } |
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| 43 | |||
| 44 | bool Timestamp::operator<= (Timestamp &cmp){ |
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| 45 | if (sec < cmp.sec){
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| 46 | return true; |
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| 47 | }else if (sec > cmp.sec){ |
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| 48 | return false; |
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| 49 | }else{ //(a.sec == b.sec) |
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| 50 | //seconds are equal, check nsec:
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| 51 | return (nsec <= cmp.nsec);
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| 52 | } |
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| 53 | } |
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| 54 | |||
| 55 | bool Timestamp::operator< (Timestamp &cmp){ |
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| 56 | if (sec < cmp.sec){
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| 57 | return true; |
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| 58 | }else if (sec > cmp.sec){ |
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| 59 | return false; |
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| 60 | }else{ //(a.sec == b.sec) |
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| 61 | //seconds are equal, check nsec:
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| 62 | return (nsec < cmp.nsec);
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| 63 | } |
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| 64 | } |
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| 65 | |||
| 66 | bool Timestamp::operator>= (Timestamp &cmp){ |
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| 67 | if (sec > cmp.sec){
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| 68 | return true; |
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| 69 | }else if (sec < cmp.sec){ |
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| 70 | return false; |
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| 71 | }else{ //(a.sec == b.sec) |
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| 72 | //seconds are equal, check nsec:
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| 73 | return (nsec >= cmp.nsec);
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| 74 | } |
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| 75 | } |
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| 76 | |||
| 77 | bool Timestamp::operator> (Timestamp &cmp){ |
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| 78 | if (sec > cmp.sec){
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| 79 | return true; |
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| 80 | }else if (sec < cmp.sec){ |
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| 81 | return false; |
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| 82 | }else{ //(a.sec == b.sec) |
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| 83 | //seconds are equal, check nsec:
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| 84 | return (nsec > cmp.nsec);
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| 85 | } |
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| 86 | } |
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| 87 | |||
| 88 | bool Timestamp::operator== (Timestamp &cmp){ |
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| 89 | return (sec == cmp.sec) && (nsec == cmp.nsec);
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| 90 | } |
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| 91 | |||
| 92 | bool Timestamp::operator!= (Timestamp &cmp){ |
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| 93 | return !(*this == cmp); |
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| 94 | } |