a
ros/time.h@1:a849bf78d77f, 2016-12-31 (annotated)
- Committer:
- garyservin
- Date:
- Sat Dec 31 00:59:58 2016 +0000
- Revision:
- 1:a849bf78d77f
- Parent:
- 0:9e9b7db60fd5
Add missing round() method
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
garyservin | 0:9e9b7db60fd5 | 1 | /* |
garyservin | 0:9e9b7db60fd5 | 2 | * Software License Agreement (BSD License) |
garyservin | 0:9e9b7db60fd5 | 3 | * |
garyservin | 0:9e9b7db60fd5 | 4 | * Copyright (c) 2011, Willow Garage, Inc. |
garyservin | 0:9e9b7db60fd5 | 5 | * All rights reserved. |
garyservin | 0:9e9b7db60fd5 | 6 | * |
garyservin | 0:9e9b7db60fd5 | 7 | * Redistribution and use in source and binary forms, with or without |
garyservin | 0:9e9b7db60fd5 | 8 | * modification, are permitted provided that the following conditions |
garyservin | 0:9e9b7db60fd5 | 9 | * are met: |
garyservin | 0:9e9b7db60fd5 | 10 | * |
garyservin | 0:9e9b7db60fd5 | 11 | * * Redistributions of source code must retain the above copyright |
garyservin | 0:9e9b7db60fd5 | 12 | * notice, this list of conditions and the following disclaimer. |
garyservin | 0:9e9b7db60fd5 | 13 | * * Redistributions in binary form must reproduce the above |
garyservin | 0:9e9b7db60fd5 | 14 | * copyright notice, this list of conditions and the following |
garyservin | 0:9e9b7db60fd5 | 15 | * disclaimer in the documentation and/or other materials provided |
garyservin | 0:9e9b7db60fd5 | 16 | * with the distribution. |
garyservin | 0:9e9b7db60fd5 | 17 | * * Neither the name of Willow Garage, Inc. nor the names of its |
garyservin | 0:9e9b7db60fd5 | 18 | * contributors may be used to endorse or promote prducts derived |
garyservin | 0:9e9b7db60fd5 | 19 | * from this software without specific prior written permission. |
garyservin | 0:9e9b7db60fd5 | 20 | * |
garyservin | 0:9e9b7db60fd5 | 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
garyservin | 0:9e9b7db60fd5 | 22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
garyservin | 0:9e9b7db60fd5 | 23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
garyservin | 0:9e9b7db60fd5 | 24 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
garyservin | 0:9e9b7db60fd5 | 25 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
garyservin | 0:9e9b7db60fd5 | 26 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
garyservin | 0:9e9b7db60fd5 | 27 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
garyservin | 0:9e9b7db60fd5 | 28 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
garyservin | 0:9e9b7db60fd5 | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
garyservin | 0:9e9b7db60fd5 | 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
garyservin | 0:9e9b7db60fd5 | 31 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
garyservin | 0:9e9b7db60fd5 | 32 | * POSSIBILITY OF SUCH DAMAGE. |
garyservin | 0:9e9b7db60fd5 | 33 | */ |
garyservin | 0:9e9b7db60fd5 | 34 | |
garyservin | 0:9e9b7db60fd5 | 35 | #ifndef ROS_TIME_H_ |
garyservin | 0:9e9b7db60fd5 | 36 | #define ROS_TIME_H_ |
garyservin | 0:9e9b7db60fd5 | 37 | |
garyservin | 0:9e9b7db60fd5 | 38 | #include "ros/duration.h" |
garyservin | 0:9e9b7db60fd5 | 39 | #include <math.h> |
garyservin | 0:9e9b7db60fd5 | 40 | #include <stdint.h> |
garyservin | 0:9e9b7db60fd5 | 41 | |
garyservin | 0:9e9b7db60fd5 | 42 | namespace ros |
garyservin | 0:9e9b7db60fd5 | 43 | { |
garyservin | 0:9e9b7db60fd5 | 44 | void normalizeSecNSec(uint32_t &sec, uint32_t &nsec); |
garyservin | 0:9e9b7db60fd5 | 45 | |
garyservin | 0:9e9b7db60fd5 | 46 | class Time |
garyservin | 0:9e9b7db60fd5 | 47 | { |
garyservin | 0:9e9b7db60fd5 | 48 | public: |
garyservin | 0:9e9b7db60fd5 | 49 | uint32_t sec, nsec; |
garyservin | 0:9e9b7db60fd5 | 50 | |
garyservin | 0:9e9b7db60fd5 | 51 | Time() : sec(0), nsec(0) {} |
garyservin | 0:9e9b7db60fd5 | 52 | Time(uint32_t _sec, uint32_t _nsec) : sec(_sec), nsec(_nsec) |
garyservin | 0:9e9b7db60fd5 | 53 | { |
garyservin | 0:9e9b7db60fd5 | 54 | normalizeSecNSec(sec, nsec); |
garyservin | 0:9e9b7db60fd5 | 55 | } |
garyservin | 0:9e9b7db60fd5 | 56 | |
garyservin | 1:a849bf78d77f | 57 | double round(double number) { return number < 0.0 ? ceil(number - 0.5): floor(number + 0.5); } |
garyservin | 0:9e9b7db60fd5 | 58 | double toSec() const { return (double)sec + 1e-9*(double)nsec; }; |
garyservin | 0:9e9b7db60fd5 | 59 | void fromSec(double t) { sec = (uint32_t) floor(t); nsec = (uint32_t) round((t-sec) * 1e9); }; |
garyservin | 0:9e9b7db60fd5 | 60 | |
garyservin | 0:9e9b7db60fd5 | 61 | uint32_t toNsec() { return (uint32_t)sec*1000000000ull + (uint32_t)nsec; }; |
garyservin | 0:9e9b7db60fd5 | 62 | Time& fromNSec(int32_t t); |
garyservin | 0:9e9b7db60fd5 | 63 | |
garyservin | 0:9e9b7db60fd5 | 64 | Time& operator +=(const Duration &rhs); |
garyservin | 0:9e9b7db60fd5 | 65 | Time& operator -=(const Duration &rhs); |
garyservin | 0:9e9b7db60fd5 | 66 | |
garyservin | 0:9e9b7db60fd5 | 67 | static Time now(); |
garyservin | 0:9e9b7db60fd5 | 68 | static void setNow( Time & new_now); |
garyservin | 0:9e9b7db60fd5 | 69 | }; |
garyservin | 0:9e9b7db60fd5 | 70 | |
garyservin | 0:9e9b7db60fd5 | 71 | } |
garyservin | 0:9e9b7db60fd5 | 72 | |
garyservin | 0:9e9b7db60fd5 | 73 | #endif |