A clearer description of min/max functions.

git-svn-id: https://svn.dealii.org/trunk@29161 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/petsc_vector_base.h b/deal.II/include/deal.II/lac/petsc_vector_base.h
index 5a5dbd0f588a78e9824e62de10e91857069cd1d0..cb144e53d878c6eebcd2800184628b3e781a1ced 100644 (file)
--- a/deal.II/include/deal.II/lac/petsc_vector_base.h
+++ b/deal.II/include/deal.II/lac/petsc_vector_base.h
@@ -522,30 +522,23 @@ namespace PETScWrappers
     real_type linfty_norm () const;
 
     /**
-     * Normalize vector by dividing
-     * by the $l_2$-norm of the
-     * vector. Return vector norm
-     * before normalization.
+     * Normalize vector by dividing by the $l_2$-norm of the
+     * vector. Return the vector norm before normalization.
      */
     real_type normalize () const;
 
     /**
-     * Return vector component with
-     * the minimal magnitude.
+     * Return the value of the vector element with the largest negative value.
      */
     real_type min () const;
 
     /**
-     * Return vector component with
-     * the maximal magnitude.
+     * Return the value of the vector element with the largest positive value.
      */
     real_type max () const;
 
-
     /**
-     * Replace every element in a
-     * vector with its absolute
-     * value.
+     * Replace every element in a vector with its absolute value.
      */
     VectorBase &abs ();