Spelling and wrong comments, fixes FS#1274.

(kudos to Elias Pipping for the patch)

[[Imported from SVN: r1910]]

COPYING

@@ -20,7 +20,7 @@ Copyright holders:
 2010--2012    Rebecca Neumann
 2012          Andreas Nüßing
 2008--2012    Martin Nolte
-2011          Elias Pipping
+2011--2013    Elias Pipping
 2007          Sreejith Pulloor Kuttanikkad
 2009          Atgeirr Rasmussen
 2008--2012    Uli Sack

dune/istl/bcrsmatrix.hh

@@ -105,7 +105,7 @@ namespace Dune {
      typedef FieldMatrix<double,2,2> M;
      // third parameter is an optional upper bound for the number
      // of nonzeros. If given the matrix will use one array for all values
-     // as opossed to one for each row.
+     // as opposed to one for each row.
      BCRSMatrix<M> B(4,4,12,BCRSMatrix<M>::row_wise);
 
      typedef BCRSMatrix<M>::CreateIterator Iter;

dune/istl/matrixmarket.hh

@@ -26,7 +26,7 @@ namespace Dune
    * in various formats.
    *
    *
-   * Routine printmatix prints a (sparse matrix with all entries (even zeroes).
+   * Routine printmatrix prints a (sparse matrix with all entries (even zeroes).
    * Function printvector prints a vector to a stream.
    * PrintSparseMatrix prints a sparse matrix omitting all nonzeroes.
    * With writeMatrixToMatlab one can write a matrix in a Matlab readable format.
@@ -59,7 +59,7 @@ namespace Dune
     struct mm_numeric_type {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=false
       };
@@ -70,7 +70,7 @@ namespace Dune
     {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=true
       };
@@ -86,7 +86,7 @@ namespace Dune
     {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=true
       };
@@ -102,7 +102,7 @@ namespace Dune
     {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=true
       };
@@ -118,7 +118,7 @@ namespace Dune
     {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=true
       };
@@ -134,7 +134,7 @@ namespace Dune
     {
       enum {
         /**
-         * @brief Whethe T is a supported numeric type.
+         * @brief Whether T is a supported numeric type.
          */
         is_numeric=true
       };

dune/istl/scaledidmatrix.hh

@@ -171,14 +171,14 @@ namespace Dune {
       return *this;
     }
 
-    //! vector space multiplication with scalar
+    //! addition to the diagonal
     ScaledIdentityMatrix& operator+= (const K& k)
     {
       p_ += k;
       return *this;
     }
 
-    //! vector space division by scalar
+    //! subtraction from the diagonal
     ScaledIdentityMatrix& operator-= (const K& k)
     {
       p_ -= k;