diff options
| -rw-r--r-- | tksao/vector/vector3d.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tksao/vector/vector3d.h b/tksao/vector/vector3d.h index a0f5236..f36c0f1 100644 --- a/tksao/vector/vector3d.h +++ b/tksao/vector/vector3d.h @@ -39,6 +39,7 @@ class Vector3d { {v[0]=a.v[0];v[1]=a.v[1];v[2]=a.v[2];v[3]=a.v[3]; return *this;} double& operator[](int i) {return v[i];} // return element + const double& operator[](int i) const {return v[i];} // return element double* vv() {return v;} // return vector Vector3d& operator+=(const Vector3d& a) // addition |