ubuntu18.04编译Sophus库问题及解决方法

1 打开终端,输入如下命令:
sudo apt-get install git(安装git)
git clone https://github.com/strasdat/Sophus.git (下载Sophus)
cd Sophus/
git checkout a621ff

mkdir build
cd build
cmake …
make
2 在终端中执行make后,出现以下错误:
ubuntu18.04编译Sophus库问题及解决方法_第1张图片
即出现错误:
/home/xq/Sophus/sophus/so2.cpp:32:26: error: lvalue required as left operand of assignment
unit_complex_.real() = 1.;
/home/xq/Sophus/sophus/so2.cpp:33:26: error: lvalue required as left operand of assignment
unit_complex_.imag() = 0.;

解决方法如下:
将so2.cpp源码文件下的代码:
SO2::SO2()
{
unit_complex_.real() = 1.;
unit_complex_.imag() = 0.;
}
修改为:
SO2::SO2()
{
//unit_complex_.real() = 1.;
//unit_complex_.imag() = 0.;
unit_complex_.real(1.);
unit_complex_.imag(0.);
}
重新编译Sophus

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