struct_rational.h

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/**@file   struct_rational.h
 * @brief  datastructures for storing rational numbers
 * @author Leon Eifler
 */
 
/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
 
#ifndef __SCIP_STRUCT_RATIONAL_H__
#define __SCIP_STRUCT_RATIONAL_H__
 
 
#include "scip/def.h"
#include "scip/type_misc.h"
#include "scip/type_rational.h"
#include "scip/multiprecision.hpp"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/** rational wrapper struct */
struct SCIP_Rational
{
   scip::Rational val;                       /**< value of the rational */
   unsigned int isinf:1;                     /**< is the value infinite? sign is determined by val */
   unsigned int isfprepresentable:2;         /**< is the value exactly representable as floating point number?
                                              *   (0 - unknown, 1 - yes, 2 - no) */
};
 
/** rational array struct, essentially a std vector with all indices offset by firstidx*/
struct SCIP_RationalArray
{
   std::vector<SCIP_RATIONAL> vals;          /**< values of the array */
   int firstidx;                             /**< first used index */
};
 
#ifdef __cplusplus
}
#endif
 
#endif