add operators *= and /=

test/matrixmanip.cpp

@@ -29,7 +29,7 @@ template<typename MatrixType> void matrixManip(const MatrixType& m)
 {
   int rows = m.rows(), cols = m.cols();
   int i = rand()%rows, j = rand()%cols;
-  
+
   MatrixType a(rows, cols), b(rows, cols);
   a.row(i);
   a.col(j);
@@ -37,6 +37,7 @@ template<typename MatrixType> void matrixManip(const MatrixType& m)
   a.block(1, rows-1, 1, cols-1);
   a.row(i) = b.row(i);
   a.row(i) += b.row(i);
+  a.col(j) *= 2;
   a.minor(i, j) = b.block(1, rows-1, 1, cols-1);
   a.minor(i, j) -= eval(a.block(1, rows-1, 1, cols-1));
 }

test/matrixops.cpp

@@ -47,6 +47,9 @@ template<typename MatrixType1,
   a = eval(a + b);
   a += b;
   a -= b + b;
+  a *= s;
+  b /= s;
+  if(rows1 == cols1) a *= b;
   
   MatrixType1 d(rows1, cols1);
   MatrixType2 e(rows2, cols2);

test/vectorops.cpp

@@ -45,7 +45,9 @@ template<typename VectorType> void vectorOps(const VectorType& v)
   a = eval(s * (b - c));
   
   a += b;
-  a += b + b;
+  a -= b + b;
+  a *= s;
+  b /= s;
   a += eval(a + a);
 }