* the research papers on the package. Check out http://www.gromacs.org.
*/
-#ifndef _INTERACTION_CONST_
-#define _INTERACTION_CONST_
+#ifndef GMX_LEGACYHEADERS_INTERACTION_CONST_H
+#define GMX_LEGACYHEADERS_INTERACTION_CONST_H
+
+#include "gromacs/utility/real.h"
#ifdef __cplusplus
extern "C" {
}
#endif
-#endif /* _INTERACTION_CONST_ */
+#endif