YuanwenFu

@chaksw @junlin49 @gaoxiang12 @ogtc890215 你们好！对于这个问题 ``` Sophus ensure failed in function 'void Sophus::SO3Base::normalize() [with Derived = Sophus::SO3]', file '/usr/local/include/sophus/so3.hpp', line 300. Quaternion ( 0.706662 4.32706e-17 0.707551 -4.3325e-17) should not be...