* Minor optimization: swap instead of assign.

[ginac.git] / tools / viewgar.cpp

diff --git a/tools/viewgar.cpp b/tools/viewgar.cpp
index 19f27df149762da615bcf25a5743feca05015f1e..874cca4112b09dd4a3c8086dc38e1d8fab3680ac 100644 (file)
--- a/tools/viewgar.cpp
+++ b/tools/viewgar.cpp
@@ -3,7 +3,7 @@
  *  GiNaC archive file viewer. */
 
 /*
  *  GiNaC archive file viewer. */
 
 /*

- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by


@@ -20,19 +20,20 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 

-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdlib>
+#include <iostream>

 #include <fstream>
 #include <stdexcept>
 
 #include "ginac.h"
 
 #include <fstream>
 #include <stdexcept>
 
 #include "ginac.h"
 

+using namespace std;

 using namespace GiNaC;
 
 int main(int argc, char **argv)
 {
        if (argc < 2) {
 using namespace GiNaC;
 
 int main(int argc, char **argv)
 {
        if (argc < 2) {

-               fprintf(stderr, "Usage: %s [-d] file...\n", argv[0]);
+               cerr << "Usage: " << argv[0] << " [-d] file..." << endl;

                exit(1);
        }
        --argc; ++argv;
                exit(1);
        }
        --argc; ++argv;