ozgur erbulan / ros_lib_indigo

It has only one change from original one. I added robotfeedback message on it.

Dependencies:   BufferedSerial

Dependents:   RobotFeedback mobileRobotITU

Fork of ros_lib_indigo by Gary Servin

duration.cpp@4:80d9bee5079a, 2017-03-04 (annotated)

Committer:
randalthor
Date:
Sat Mar 04 14:07:56 2017 +0000
Revision:
4:80d9bee5079a
Parent:
0:fd24f7ca9688 
fatih

Who changed what in which revision?

UserRevisionLine numberNew contents of line
garyservin 0:fd24f7ca9688 1 /*
garyservin 0:fd24f7ca9688 2 * Software License Agreement (BSD License)
garyservin 0:fd24f7ca9688 3 *
garyservin 0:fd24f7ca9688 4 * Copyright (c) 2011, Willow Garage, Inc.
garyservin 0:fd24f7ca9688 5 * All rights reserved.
garyservin 0:fd24f7ca9688 6 *
garyservin 0:fd24f7ca9688 7 * Redistribution and use in source and binary forms, with or without
garyservin 0:fd24f7ca9688 8 * modification, are permitted provided that the following conditions
garyservin 0:fd24f7ca9688 9 * are met:
garyservin 0:fd24f7ca9688 10 *
garyservin 0:fd24f7ca9688 11 * * Redistributions of source code must retain the above copyright
garyservin 0:fd24f7ca9688 12 * notice, this list of conditions and the following disclaimer.
garyservin 0:fd24f7ca9688 13 * * Redistributions in binary form must reproduce the above
garyservin 0:fd24f7ca9688 14 * copyright notice, this list of conditions and the following
garyservin 0:fd24f7ca9688 15 * disclaimer in the documentation and/or other materials provided
garyservin 0:fd24f7ca9688 16 * with the distribution.
garyservin 0:fd24f7ca9688 17 * * Neither the name of Willow Garage, Inc. nor the names of its
garyservin 0:fd24f7ca9688 18 * contributors may be used to endorse or promote prducts derived
garyservin 0:fd24f7ca9688 19 * from this software without specific prior written permission.
garyservin 0:fd24f7ca9688 20 *
garyservin 0:fd24f7ca9688 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
garyservin 0:fd24f7ca9688 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
garyservin 0:fd24f7ca9688 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
garyservin 0:fd24f7ca9688 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
garyservin 0:fd24f7ca9688 25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
garyservin 0:fd24f7ca9688 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
garyservin 0:fd24f7ca9688 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
garyservin 0:fd24f7ca9688 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
garyservin 0:fd24f7ca9688 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
garyservin 0:fd24f7ca9688 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
garyservin 0:fd24f7ca9688 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
garyservin 0:fd24f7ca9688 32 * POSSIBILITY OF SUCH DAMAGE.
garyservin 0:fd24f7ca9688 33 */
garyservin 0:fd24f7ca9688 34
garyservin 0:fd24f7ca9688 35 #include <math.h>
garyservin 0:fd24f7ca9688 36 #include "ros/duration.h"
garyservin 0:fd24f7ca9688 37
garyservin 0:fd24f7ca9688 38 namespace ros
garyservin 0:fd24f7ca9688 39 {
garyservin 0:fd24f7ca9688 40 void normalizeSecNSecSigned(int32_t &sec, int32_t &nsec)
garyservin 0:fd24f7ca9688 41 {
garyservin 0:fd24f7ca9688 42 int32_t nsec_part = nsec;
garyservin 0:fd24f7ca9688 43 int32_t sec_part = sec;
garyservin 0:fd24f7ca9688 44
garyservin 0:fd24f7ca9688 45 while (nsec_part > 1000000000L)
garyservin 0:fd24f7ca9688 46 {
garyservin 0:fd24f7ca9688 47 nsec_part -= 1000000000L;
garyservin 0:fd24f7ca9688 48 ++sec_part;
garyservin 0:fd24f7ca9688 49 }
garyservin 0:fd24f7ca9688 50 while (nsec_part < 0)
garyservin 0:fd24f7ca9688 51 {
garyservin 0:fd24f7ca9688 52 nsec_part += 1000000000L;
garyservin 0:fd24f7ca9688 53 --sec_part;
garyservin 0:fd24f7ca9688 54 }
garyservin 0:fd24f7ca9688 55 sec = sec_part;
garyservin 0:fd24f7ca9688 56 nsec = nsec_part;
garyservin 0:fd24f7ca9688 57 }
garyservin 0:fd24f7ca9688 58
garyservin 0:fd24f7ca9688 59 Duration& Duration::operator+=(const Duration &rhs)
garyservin 0:fd24f7ca9688 60 {
garyservin 0:fd24f7ca9688 61 sec += rhs.sec;
garyservin 0:fd24f7ca9688 62 nsec += rhs.nsec;
garyservin 0:fd24f7ca9688 63 normalizeSecNSecSigned(sec, nsec);
garyservin 0:fd24f7ca9688 64 return *this;
garyservin 0:fd24f7ca9688 65 }
garyservin 0:fd24f7ca9688 66
garyservin 0:fd24f7ca9688 67 Duration& Duration::operator-=(const Duration &rhs){
garyservin 0:fd24f7ca9688 68 sec += -rhs.sec;
garyservin 0:fd24f7ca9688 69 nsec += -rhs.nsec;
garyservin 0:fd24f7ca9688 70 normalizeSecNSecSigned(sec, nsec);
garyservin 0:fd24f7ca9688 71 return *this;
garyservin 0:fd24f7ca9688 72 }
garyservin 0:fd24f7ca9688 73
garyservin 0:fd24f7ca9688 74 Duration& Duration::operator*=(double scale){
garyservin 0:fd24f7ca9688 75 sec *= scale;
garyservin 0:fd24f7ca9688 76 nsec *= scale;
garyservin 0:fd24f7ca9688 77 normalizeSecNSecSigned(sec, nsec);
garyservin 0:fd24f7ca9688 78 return *this;
garyservin 0:fd24f7ca9688 79 }
garyservin 0:fd24f7ca9688 80
garyservin 0:fd24f7ca9688 81 }