Ubuntu 18.04 and ROS Melodic compile error.Error: call of overloaded ‘round(float)’ is ambiguous

[a4zhangfei]

error: ‘int round(float)’ conflicts with a previous declaration
inline int round(float d)
^
In file included from /opt/ros/melodic/include/ros/time.h:55:0,
from /opt/ros/melodic/include/ros/ros.h:38,
from /home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:16:
/usr/include/c++/7/cmath:1771:3: note: previous declaration ‘constexpr float std::round(float)’
round(float __x)
^~~~~
/home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp: In function ‘void observationLikelihood(const Matrix4f&, pcl::PointCloudpcl::PointXYZRGB::Ptr, pcl::PointCloudpcl::PointXYZRGB::Ptr, const CameraInfo&, double&, double&, unsigned int&, unsigned int&, unsigned int&, unsigned int&)’:
/home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:880:53: error: call of overloaded ‘round(float)’ is ambiguous
int old_rx_center = round((p.x / p.z)* fx + cx);
^
In file included from /usr/include/features.h:424:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/os_defines.h:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/c++config.h:533,
from /usr/include/c++/7/cstdlib:41,
from /usr/include/c++/7/stdlib.h:36,
from /opt/ros/melodic/include/ros/platform.h:53,
from /opt/ros/melodic/include/ros/time.h:53,
from /opt/ros/melodic/include/ros/ros.h:38,
from /home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:16:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:298:1: note: candidate: double round(double)
__MATHCALLX (round,, (Mdouble __x), (const));
^
In file included from /opt/ros/melodic/include/ros/time.h:55:0,
from /opt/ros/melodic/include/ros/ros.h:38,
from /home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:16:
/usr/include/c++/7/cmath:1771:3: note: candidate: constexpr float std::round(float)
round(float __x)
^~~~~
/usr/include/c++/7/cmath:1775:3: note: candidate: constexpr long double std::round(long double)
round(long double __x)
^~~~~
/home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:804:12: note: candidate: int round(float)
inline int round(float d)
^~~~~
/home/zhangzhihao/kinetic_rgbdslam_catkin_ws/src/kinetic_slam/src/misc.cpp:881:53: error: call of overloaded ‘round(float)’ is ambiguous
int old_ry_center = round((p.y / p.z)* fy + cy);
^

[Magical-E]

Hello,I meet the same error in Ubuntu 18.04 .Have you already solved it?

[a4zhangfei]

I changed the Ubuntu version: 16.04

…

------------------ 原始邮件 ------------------ 发件人: "Magical-E"<notifications@github.com>; 发送时间: 2019年7月24日(星期三) 上午10:28 收件人: "felixendres/rgbdslam_v2"<rgbdslam_v2@noreply.github.com>; 抄送: "a4zhangfei"<1617315424@qq.com>; "Author"<author@noreply.github.com>; 主题: Re: [felixendres/rgbdslam_v2] Ubuntu 18.04 and ROS Melodic compile error.Error: call of overloaded ‘round(float)’ is ambiguous (#100) Hello,I meet the same error in Ubuntu 18.04 .Have you already solved it? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or mute the thread.

[ideechaniz]

I have the same problem under debian 10 and ros melodic

[QianYC]

there is an inline function named "round" in misc.cpp, you can solve this problem by simply rename the function and the revoke to anything like "myround"