humotion / src / timestamp.cpp @ caf7373f
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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 | struct timespec tp;
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| 25 | clock_gettime(CLOCK_REALTIME, &tp); |
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| 26 | e19ad051 | Simon Schulz | return Timestamp(tp.tv_sec, tp.tv_nsec);
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| 27 | 8db9ba4f | Simon Schulz | } |
| 28 | |||
| 29 | 32327f15 | Simon Schulz | void Timestamp::set(int32_t _sec, int32_t _nsec){
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| 30 | sec = _sec; |
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| 31 | nsec = _nsec; |
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| 32 | } |
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| 33 | |||
| 34 | 8db9ba4f | Simon Schulz | void Timestamp::set(Timestamp a){
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| 35 | set(a.sec, a.nsec); |
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| 36 | } |
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| 37 | |||
| 38 | 32327f15 | Simon Schulz | double Timestamp::to_seconds(void){ |
| 39 | return sec + ((double)nsec)/1000000000.0; |
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| 40 | } |
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| 41 | |||
| 42 | bool Timestamp::operator<= (Timestamp &cmp){ |
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| 43 | if (sec < cmp.sec){
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| 44 | return true; |
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| 45 | }else if (sec > cmp.sec){ |
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| 46 | return false; |
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| 47 | }else{ //(a.sec == b.sec) |
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| 48 | //seconds are equal, check nsec:
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| 49 | return (nsec <= cmp.nsec);
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| 50 | } |
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| 51 | } |
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| 52 | |||
| 53 | caf7373f | Simon Schulz | bool Timestamp::is_null(void){ |
| 54 | return (sec == 0) && (nsec == 0); |
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| 55 | } |
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| 56 | |||
| 57 | 32327f15 | Simon Schulz | bool Timestamp::operator< (Timestamp &cmp){ |
| 58 | if (sec < cmp.sec){
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| 59 | return true; |
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| 60 | }else if (sec > cmp.sec){ |
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| 61 | return false; |
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| 62 | }else{ //(a.sec == b.sec) |
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| 63 | //seconds are equal, check nsec:
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| 64 | return (nsec < cmp.nsec);
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| 65 | } |
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| 66 | } |
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| 67 | |||
| 68 | bool Timestamp::operator>= (Timestamp &cmp){ |
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| 69 | if (sec > cmp.sec){
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| 70 | return true; |
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| 71 | }else if (sec < cmp.sec){ |
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| 72 | return false; |
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| 73 | }else{ //(a.sec == b.sec) |
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| 74 | //seconds are equal, check nsec:
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| 75 | return (nsec >= cmp.nsec);
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | bool Timestamp::operator> (Timestamp &cmp){ |
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| 80 | if (sec > cmp.sec){
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| 81 | return true; |
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| 82 | }else if (sec < cmp.sec){ |
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| 83 | return false; |
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| 84 | }else{ //(a.sec == b.sec) |
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| 85 | //seconds are equal, check nsec:
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| 86 | return (nsec > cmp.nsec);
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | bool Timestamp::operator== (Timestamp &cmp){ |
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| 91 | return (sec == cmp.sec) && (nsec == cmp.nsec);
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| 92 | } |
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| 93 | |||
| 94 | bool Timestamp::operator!= (Timestamp &cmp){ |
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| 95 | return !(*this == cmp); |
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| 96 | } |