forgot this

src/Solver.cpp

@@ -50,9 +50,17 @@ VectAffine Solver::RectangularSystem(Matrix&& a_MatrixA, const Matrix& a_VectorB
 	Matrix fullOrigin {mat.GetColumnCount(), 1};
 	for (std::size_t i = 0; i < mat.GetRawCount(); i++) {
 		int pivot_index = FirstNotNullElementIndexOnLine(mat, i);
-		if(pivot_index >= 0){
-			fullOrigin.at(pivot_index, 0) = origin.at(i, 0);
+		
+		if (static_cast<std::size_t>(pivot_index) == mat.GetColumnCount() - 1) {
+			// on a une ligne du type 0 = n. Aucune solution !
+			return {Matrix {}, Matrix::ColumnVector({0})};
 		}
+
+		// ligne entière de 0
+		if (pivot_index < 0)
+			continue;
+
+		fullOrigin.at(pivot_index, 0) = origin.at(i, 0);
 	}
 
 	return {noyau, fullOrigin};