** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_STDLIB_H
#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
#include <string.h>
+#endif
+#ifdef HAVE_MATH_H
#include <math.h>
+#endif
#include "viking.h"
#include "globals.h"