* Headers only include <iosfwd> from now on, since that contains all the

[ginac.git] / ginac / matrix.cpp

diff --git a/ginac/matrix.cpp b/ginac/matrix.cpp
index 8afa7b58cfc928b20e716100e69a149c75749f96..3d735fe46689aa57fc0d973a0b8588e07f2049f8 100644 (file)
--- a/ginac/matrix.cpp
+++ b/ginac/matrix.cpp
@@ -20,6 +20,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <iostream>
 #include <algorithm>
 #include <map>
 #include <stdexcept>
@@ -776,7 +777,7 @@ ex matrix::determinant(unsigned algo) const
                                                ++acc;
                                c_zeros.push_back(uintpair(acc,c));
                        }
-                       sort(c_zeros.begin(),c_zeros.end());
+                       std::sort(c_zeros.begin(),c_zeros.end());
                        std::vector<unsigned> pre_sort;
                        for (std::vector<uintpair>::const_iterator i=c_zeros.begin(); i!=c_zeros.end(); ++i)
                                pre_sort.push_back(i->second);