#ifndef __FR_H
#define __FR_H

#include <stdint.h>
#define Fr_N64 4
#define Fr_SHORT 0x00000000
#define Fr_LONG 0x80000000
#define Fr_LONGMONTGOMERY 0xC0000000
typedef struct __attribute__((__packed__)) {
    int32_t shortVal;
    u_int32_t type;
    u_int64_t longVal[Fr_N64];
} FrElement;
typedef FrElement *PFrElement;
extern FrElement Fr_q;
extern "C" void Fr_copy(PFrElement r, PFrElement a);
extern "C" void Fr_copyn(PFrElement r, PFrElement a, int n);
extern "C" void Fr_add(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_sub(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_neg(PFrElement r, PFrElement a);
extern "C" void Fr_mul(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_square(PFrElement r, PFrElement a);
extern "C" void Fr_band(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_bor(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_bxor(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_bnot(PFrElement r, PFrElement a);
extern "C" void Fr_eq(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_neq(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_lt(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_gt(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_leq(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_geq(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_land(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_lor(PFrElement r, PFrElement a, PFrElement b);
extern "C" void Fr_lnot(PFrElement r, PFrElement a);
extern "C" void Fr_toNormal(PFrElement pE);
extern "C" void Fr_toLongNormal(PFrElement pE);
extern "C" void Fr_toMontgomery(PFrElement pE);
void Fr_str2element(PFrElement pE, char const*s);
char *Fr_element2str(PFrElement pE);
void Fr_idiv(PFrElement r, PFrElement a, PFrElement b);
void Fr_mod(PFrElement r, PFrElement a, PFrElement b);
void Fr_inv(PFrElement r, PFrElement a);
void Fr_div(PFrElement r, PFrElement a, PFrElement b);
void Fr_shl(PFrElement r, PFrElement a, PFrElement b);
void Fr_shr(PFrElement r, PFrElement a, PFrElement b);
void Fr_pow(PFrElement r, PFrElement a, PFrElement b);

int Fr_isTrue(PFrElement pE);
int Fr_toInt(PFrElement pE);

void Fr_init();

extern FrElement Fr_q;


#endif // __FR_H