big-gmp.c File Reference

#include <rz_util.h>

Go to the source code of this file.

Functions
RZ_API RzNumBig *	rz_big_new (void)
RZ_API void	rz_big_free (RzNumBig *b)
RZ_API void	rz_big_init (RzNumBig *b)
RZ_API void	rz_big_fini (RzNumBig *b)
RZ_API void	rz_big_from_int (RzNumBig *b, st64 v)
RZ_API st64	rz_big_to_int (RzNumBig *b)
RZ_API void	rz_big_from_hexstr (RzNumBig *b, const char *str)
RZ_API char *	rz_big_to_hexstr (RzNumBig *b)
RZ_API void	rz_big_assign (RzNumBig *dst, RzNumBig *src)
RZ_API void	rz_big_add (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_sub (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_mul (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_div (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_mod (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_divmod (RzNumBig *c, RzNumBig *d, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_and (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_or (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_xor (RzNumBig *c, RzNumBig *a, RzNumBig *b)
RZ_API void	rz_big_lshift (RzNumBig *c, RzNumBig *a, size_t nbits)
RZ_API void	rz_big_rshift (RzNumBig *c, RzNumBig *a, size_t nbits)
RZ_API int	rz_big_cmp (RzNumBig *a, RzNumBig *b)
RZ_API int	rz_big_is_zero (RzNumBig *a)
RZ_API void	rz_big_inc (RzNumBig *a)
RZ_API void	rz_big_dec (RzNumBig *a)
RZ_API void	rz_big_powm (RzNumBig *c, RzNumBig *a, RzNumBig *b, RzNumBig *m)
RZ_API void	rz_big_isqrt (RzNumBig *c, RzNumBig *a)

Function Documentation

rz_big_add()

RZ_API void rz_big_add	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 63 of file big-gmp.c.

                                                              {
    mpz_add(*c, *a, *b);
}

rz_big_and()

RZ_API void rz_big_and	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 87 of file big-gmp.c.

                                                              {
    mpz_and(*c, *a, *b);
}

rz_big_assign()

RZ_API void rz_big_assign	(	RzNumBig *	dst,
		RzNumBig *	src
	)

Definition at line 59 of file big-gmp.c.

                                                        {
    mpz_set(*dst, *src);
}

rz_big_cmp()

RZ_API int rz_big_cmp	(	RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 107 of file big-gmp.c.

                                                {
    int res = mpz_cmp(*a, *b);
    if (res > 0) {
        return 1;
    } else if (res < 0) {
        return -1;
    } else {
        return 0;
    }
}

rz_big_dec()

RZ_API void rz_big_dec

(

RzNumBig *

a

)

Definition at line 128 of file big-gmp.c.

                                    {
    RzNumBig tmp;
    mpz_init_set_si(tmp, 1);
    mpz_sub(*a, *a, tmp);
}

rz_big_div()

RZ_API void rz_big_div	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 75 of file big-gmp.c.

                                                              {
    mpz_tdiv_q(*c, *a, *b);
}

rz_big_divmod()

RZ_API void rz_big_divmod	(	RzNumBig *	c,
		RzNumBig *	d,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 83 of file big-gmp.c.

                                                                              {
    mpz_tdiv_qr(*c, *d, *a, *b);
}

rz_big_fini()

RZ_API void rz_big_fini

(

RzNumBig *

b

)

Definition at line 24 of file big-gmp.c.

                                     {
    mpz_clear(*b);
}

rz_big_free()

RZ_API void rz_big_free

(

RzNumBig *

b

)

Definition at line 15 of file big-gmp.c.

                                     {
    mpz_clear(*b);
    free(b);
}

rz_big_from_hexstr()

RZ_API void rz_big_from_hexstr	(	RzNumBig *	b,
		const char *	str
	)

Definition at line 36 of file big-gmp.c.

                                                             {
    if (rz_str_startswith(str, "0x")) {
        str += 2;
        mpz_set_str(*b, str, 16);
    } else if (rz_str_startswith(str, "-0x")) {
        str += 3;
        mpz_set_str(*b, str, 16);
        mpz_mul_si(*b, *b, -1);
    }
}

rz_big_from_int()

RZ_API void rz_big_from_int	(	RzNumBig *	b,
		st64	v
	)

Definition at line 28 of file big-gmp.c.

                                                 {
    mpz_set_si(*b, v);
}

rz_big_inc()

RZ_API void rz_big_inc

(

RzNumBig *

a

)

Definition at line 122 of file big-gmp.c.

                                    {
    RzNumBig tmp;
    mpz_init_set_si(tmp, 1);
    mpz_add(*a, *a, tmp);
}

rz_big_init()

RZ_API void rz_big_init

(

RzNumBig *

b

)

Definition at line 20 of file big-gmp.c.

                                     {
    mpz_init(*b);
}

rz_big_is_zero()

RZ_API int rz_big_is_zero

(

RzNumBig *

a

)

Definition at line 118 of file big-gmp.c.

                                       {
    return mpz_cmp_ui(*a, 0) == 0;
}

rz_big_isqrt()

RZ_API void rz_big_isqrt	(	RzNumBig *	c,
		RzNumBig *	a
	)

Definition at line 138 of file big-gmp.c.

                                                   {
    mpz_sqrt(*c, *a);
}

rz_big_lshift()

RZ_API void rz_big_lshift	(	RzNumBig *	c,
		RzNumBig *	a,
		size_t	nbits
	)

Definition at line 99 of file big-gmp.c.

                                                                  {
    mpz_mul_2exp(*c, *a, nbits);
}

rz_big_mod()

RZ_API void rz_big_mod	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 79 of file big-gmp.c.

                                                              {
    mpz_mod(*c, *a, *b);
}

rz_big_mul()

RZ_API void rz_big_mul	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 71 of file big-gmp.c.

                                                              {
    mpz_mul(*c, *a, *b);
}

rz_big_new()

RZ_API RzNumBig* rz_big_new

(

void

)

Definition at line 7 of file big-gmp.c.

                                  {
    RzNumBig *n = RZ_NEW(RzNumBig);
    if (n) {
        mpz_init(*n);
    }
    return n;
}

rz_big_or()

RZ_API void rz_big_or	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 91 of file big-gmp.c.

                                                             {
    mpz_ior(*c, *a, *b);
}

rz_big_powm()

RZ_API void rz_big_powm	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b,
		RzNumBig *	m
	)

Definition at line 134 of file big-gmp.c.

                                                                            {
    mpz_powm(*c, *a, *b, *m);
}

rz_big_rshift()

RZ_API void rz_big_rshift	(	RzNumBig *	c,
		RzNumBig *	a,
		size_t	nbits
	)

Definition at line 103 of file big-gmp.c.

                                                                  {
    mpz_tdiv_q_2exp(*c, *a, nbits);
}

rz_big_sub()

RZ_API void rz_big_sub	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 67 of file big-gmp.c.

                                                              {
    mpz_sub(*c, *a, *b);
}

rz_big_to_hexstr()

RZ_API char* rz_big_to_hexstr

(

RzNumBig *

b

)

Definition at line 47 of file big-gmp.c.

                                           {
    char *tmp = mpz_get_str(NULL, 16, *b);
    char *res;
    if (tmp[0] == '-') {
        res = rz_str_newf("-0x%s", &tmp[1]);
    } else {
        res = rz_str_newf("0x%s", tmp);
    }
    free(tmp);
    return res;
}

rz_big_to_int()

RZ_API st64 rz_big_to_int

(

RzNumBig *

b

)

Definition at line 32 of file big-gmp.c.

                                       {
    return mpz_get_si(*b);
}

rz_big_xor()

RZ_API void rz_big_xor	(	RzNumBig *	c,
		RzNumBig *	a,
		RzNumBig *	b
	)

Definition at line 95 of file big-gmp.c.

                                                              {
    mpz_xor(*c, *a, *b);
}