--- a/src/sparse-xpow.cc
+++ b/src/sparse-xpow.cc
@@ -301,7 +301,7 @@
 octave_value
 elem_xpow (const SparseMatrix& a, double b)
 {
-  // FIXME What should a .^ 0 give?? Matlab gives a 
+  // FIXME What should a .^ 0 give?? Matlab gives a
   // sparse matrix with same structure as a, which is strictly
   // incorrect. Keep compatiability.
 
@@ -326,9 +326,9 @@
             for (octave_idx_type i = a.cidx(j); i < a.cidx(j+1); i++)
               {
                 octave_quit ();
-              
+
                 Complex atmp (a.data (i));
-                
+
                 result (a.ridx(i), j) = std::pow (atmp, btmp);
               }
 
@@ -452,7 +452,7 @@
           for (octave_idx_type i = a.cidx(j); i < a.cidx(j+1); i++)
             {
               octave_quit ();
-              result.xelem(a.ridx(i), j) = std::pow (a.data(i), 
+              result.xelem(a.ridx(i), j) = std::pow (a.data(i),
                                                      b (a.ridx(i), j));
             }
         }
@@ -476,13 +476,13 @@
     {
       octave_idx_type nz = a.nnz ();
       SparseComplexMatrix result (a);
-      
+
       for (octave_idx_type i = 0; i < nz; i++)
         {
           octave_quit ();
           result.data (i) = std::pow (Complex (a.data (i)), b);
         }
-  
+
       result.maybe_compress (true);
 
       retval = result;
@@ -584,7 +584,7 @@
             for (octave_idx_type i = a.cidx(j); i < a.cidx(j+1); i++)
               {
                 octave_quit ();
-                result (a.ridx(i), j) = 
+                result (a.ridx(i), j) =
                   std::pow (a.data (i), static_cast<int> (b));
               }
         }
@@ -596,7 +596,7 @@
                 octave_quit ();
                 result (a.ridx(i), j) = std::pow (a.data (i), b);
               }
-        }  
+        }
 
       retval = result;
     }
@@ -605,7 +605,7 @@
       octave_idx_type nz = a.nnz ();
 
       SparseComplexMatrix result (a);
-  
+
       if (xisint (b))
         {
           for (octave_idx_type i = 0; i < nz; i++)
@@ -621,7 +621,7 @@
               octave_quit ();
               result.data (i) = std::pow (a.data (i), b);
             }
-        }  
+        }
 
       result.maybe_compress (true);
 
@@ -657,7 +657,7 @@
           Complex tmp;
 
           if (xisint (btmp))
-            result.xelem(a.ridx(i), j) = std::pow (a.data (i), 
+            result.xelem(a.ridx(i), j) = std::pow (a.data (i),
                                               static_cast<int> (btmp));
           else
             result.xelem(a.ridx(i), j) = std::pow (a.data (i), btmp);
@@ -692,7 +692,7 @@
         }
 
       result.maybe_compress (true);
-      
+
       retval = result;
     }
 
@@ -716,7 +716,7 @@
     }
 
   SparseComplexMatrix result (nr, nc, Complex(1.0, 0.0));
-  for (octave_idx_type j = 0; j < nc; j++) 
+  for (octave_idx_type j = 0; j < nc; j++)
     {
       for (octave_idx_type i = a.cidx(j); i < a.cidx(j+1); i++)
         {