https://github.com/zturtleman/mm3d/issues/179

m-7761 · Mar 18, 2022 · 46db042 · 46db042
1 parent c32ec50
commit 46db042
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/src/libmm3d/glmath.cc b/src/libmm3d/glmath.cc
@@ -932,7 +932,7 @@ const double &Vector::operator[](int index)const
 	return m_val[index];
 }
 
-Vector Vector::operator+=(const Vector &rhs)
+Vector &Vector::operator+=(const Vector &rhs)
 {
 	this->m_val[0] += rhs.m_val[0];
 	this->m_val[1] += rhs.m_val[1];
@@ -941,7 +941,7 @@ Vector Vector::operator+=(const Vector &rhs)
 	return *this;
 }
 
-Vector Vector::operator-=(const Vector &rhs)
+Vector &Vector::operator-=(const Vector &rhs)
 {
 	this->m_val[0] -= rhs.m_val[0];
 	this->m_val[1] -= rhs.m_val[1];

diff --git a/src/libmm3d/glmath.h b/src/libmm3d/glmath.h
@@ -171,8 +171,8 @@ class Vector
 
 		double &operator[](int index);
 		const double &operator[](int index)const;
-		Vector operator+=(const Vector &rhs);
-		Vector operator-=(const Vector &rhs);
+		Vector &operator+=(const Vector &rhs);
+		Vector &operator-=(const Vector &rhs);
 		bool operator==(const Vector &rhs)const;
 
 		friend Vector operator*(const Vector &lhs, const Matrix &rhs);