humotion / src / timestamp.cpp @ f62f3b26
History | View | Annotate | Download (2.035 KB)
| 1 | 32327f15 | Simon Schulz | #include "timestamp.h" |
|---|---|---|---|
| 2 | 8db9ba4f | Simon Schulz | #include <math.h> |
| 3 | 32327f15 | Simon Schulz | |
| 4 | using namespace std; |
||
| 5 | using namespace humotion; |
||
| 6 | |||
| 7 | Timestamp::Timestamp(void){
|
||
| 8 | //init of an empty timestamp will be assigned to the current system time
|
||
| 9 | 8db9ba4f | Simon Schulz | set(now()); |
| 10 | 32327f15 | Simon Schulz | } |
| 11 | |||
| 12 | Timestamp::Timestamp(int32_t _sec, int32_t _nsec){
|
||
| 13 | set(_sec, _nsec); |
||
| 14 | } |
||
| 15 | |||
| 16 | 8db9ba4f | Simon Schulz | Timestamp::Timestamp(double dsec){
|
| 17 | double fsec, fnsec;
|
||
| 18 | fnsec = modf (dsec , &fsec); |
||
| 19 | sec = fsec; |
||
| 20 | nsec = fnsec * 1000000000.0; |
||
| 21 | } |
||
| 22 | |||
| 23 | Timestamp Timestamp::now(void){
|
||
| 24 | struct timespec tp;
|
||
| 25 | clock_gettime(CLOCK_REALTIME, &tp); |
||
| 26 | e19ad051 | Simon Schulz | return Timestamp(tp.tv_sec, tp.tv_nsec);
|
| 27 | 8db9ba4f | Simon Schulz | } |
| 28 | |||
| 29 | 32327f15 | Simon Schulz | void Timestamp::set(int32_t _sec, int32_t _nsec){
|
| 30 | sec = _sec; |
||
| 31 | nsec = _nsec; |
||
| 32 | } |
||
| 33 | |||
| 34 | 8db9ba4f | Simon Schulz | void Timestamp::set(Timestamp a){
|
| 35 | set(a.sec, a.nsec); |
||
| 36 | } |
||
| 37 | |||
| 38 | 32327f15 | Simon Schulz | double Timestamp::to_seconds(void){ |
| 39 | return sec + ((double)nsec)/1000000000.0; |
||
| 40 | } |
||
| 41 | |||
| 42 | bool Timestamp::operator<= (Timestamp &cmp){ |
||
| 43 | if (sec < cmp.sec){
|
||
| 44 | return true; |
||
| 45 | }else if (sec > cmp.sec){ |
||
| 46 | return false; |
||
| 47 | }else{ //(a.sec == b.sec) |
||
| 48 | //seconds are equal, check nsec:
|
||
| 49 | return (nsec <= cmp.nsec);
|
||
| 50 | } |
||
| 51 | } |
||
| 52 | |||
| 53 | caf7373f | Simon Schulz | bool Timestamp::is_null(void){ |
| 54 | return (sec == 0) && (nsec == 0); |
||
| 55 | } |
||
| 56 | |||
| 57 | 32327f15 | Simon Schulz | bool Timestamp::operator< (Timestamp &cmp){ |
| 58 | if (sec < cmp.sec){
|
||
| 59 | return true; |
||
| 60 | }else if (sec > cmp.sec){ |
||
| 61 | return false; |
||
| 62 | }else{ //(a.sec == b.sec) |
||
| 63 | //seconds are equal, check nsec:
|
||
| 64 | return (nsec < cmp.nsec);
|
||
| 65 | } |
||
| 66 | } |
||
| 67 | |||
| 68 | bool Timestamp::operator>= (Timestamp &cmp){ |
||
| 69 | if (sec > cmp.sec){
|
||
| 70 | return true; |
||
| 71 | }else if (sec < cmp.sec){ |
||
| 72 | return false; |
||
| 73 | }else{ //(a.sec == b.sec) |
||
| 74 | //seconds are equal, check nsec:
|
||
| 75 | return (nsec >= cmp.nsec);
|
||
| 76 | } |
||
| 77 | } |
||
| 78 | |||
| 79 | bool Timestamp::operator> (Timestamp &cmp){ |
||
| 80 | if (sec > cmp.sec){
|
||
| 81 | return true; |
||
| 82 | }else if (sec < cmp.sec){ |
||
| 83 | return false; |
||
| 84 | }else{ //(a.sec == b.sec) |
||
| 85 | //seconds are equal, check nsec:
|
||
| 86 | return (nsec > cmp.nsec);
|
||
| 87 | } |
||
| 88 | } |
||
| 89 | |||
| 90 | bool Timestamp::operator== (Timestamp &cmp){ |
||
| 91 | return (sec == cmp.sec) && (nsec == cmp.nsec);
|
||
| 92 | } |
||
| 93 | |||
| 94 | bool Timestamp::operator!= (Timestamp &cmp){ |
||
| 95 | return !(*this == cmp); |
||
| 96 | } |