#include <isl_int.h>

uint32_t isl_imath_hash(mp_int v, uint32_t hash)

{

	unsigned const char *data = (unsigned char *)v->digits;

	unsigned const char *end = data + v->used * sizeof(v->digits[0]);

	if (v->sign == 1)

		isl_hash_byte(hash, 0xFF);

	for (; data < end; ++data)

		isl_hash_byte(hash, *data);

	return hash;

}

/* Try a standard conversion that fits into a long.

 */

int isl_imath_fits_slong_p(mp_int op)

{

	long out;

	mp_result res = mp_int_to_int(op, &out;;

	return res == MP_OK;

}

/* Try a standard conversion that fits into an unsigned long.

 */

int isl_imath_fits_ulong_p(mp_int op)

{

	unsigned long out;

	mp_result res = mp_int_to_uint(op, &out;;

	return res == MP_OK;

}

void isl_imath_addmul_ui(mp_int rop, mp_int op1, unsigned long op2)

{

	mpz_t temp;

	mp_int_init(&temp);

	mp_int_set_uvalue(&temp, op2);

	mp_int_mul(op1, &temp, &temp);

	mp_int_add(rop, &temp, rop);

	mp_int_clear(&temp);

}

void isl_imath_submul_ui(mp_int rop, mp_int op1, unsigned long op2)

{

	mpz_t temp;

	mp_int_init(&temp);

	mp_int_set_uvalue(&temp, op2);

	mp_int_mul(op1, &temp, &temp);

	mp_int_sub(rop, &temp, rop);

	mp_int_clear(&temp);

}