config.h

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#ifndef _CONFIG_H
#define _CONFIG_H

#include <iostream> //FIXME: remove
#include <assert.h> //FIXME: remove

#include <inttypes.h>
#include <vector>
#include <cmath>
#include "defs.h"

namespace mp {

#ifdef GXX
  #define MIN(x, y) ((x) <? (y))
  #define MAX(x, y) ((x) >? (y))
#else
  #define MIN(x, y) ((x) < (y) ? (x) : (y))
  #define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif

#define INVERT(x, y) (((y) - ((x) % (y))) % (y))

#define BITS_TO_LIMBS(x) ((mp::size_type) std::ceil((double) (x) / \
                          mp::mpn_::limb_size_bits))
#define LIMBS_TO_BITS(x) ((x) * mp::mpn_::limb_size_bits)

enum capability {
  IS_SIGNED     = 0x01, 
  IS_RATIONAL   = 0x02, 
  IS_FLOAT      = 0x04, 

  CAN_INTERRUPT = 0x10, 
};

typedef unsigned char byte; 


/*********************/
/* MPN configuration */
/*********************/
class mpn_;

typedef std::vector<byte> raw_type;

typedef unsigned char radix_type;

typedef intptr_t size_type;

#if _MP_SIZE == 16
  typedef uint8_t  limb_type;      
  typedef uint16_t limb_long_type; 
#elif _MP_SIZE == 32
  typedef uint16_t limb_type;      
  typedef uint32_t limb_long_type; 
#elif _MP_SIZE == 64
  typedef uint32_t limb_type;      
  typedef uint64_t limb_long_type; 
#endif


/*********************/
/* MPI configuration */
/*********************/
class mpi_;
class mpi;

typedef signed int int_type;


/*********************/
/* MPF configuration */
/*********************/
class mpf_;
class mpf;

#ifdef WORDS_BIGENDIAN
union ieee_double_extract {
  struct {
    unsigned int sign:1;
    unsigned int exp:11;
    unsigned int manh:20;
    unsigned int manl:32;
  } s;
  double d;
};
#else
union ieee_double_extract {
  struct {
    unsigned int manl:32;
    unsigned int manh:20;
    unsigned int exp:11;
    unsigned int sign:1;
  } s;
  double d;
};
#endif

typedef double float_type;

} // End namespace mp

#endif

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