#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_byte123k
(hash, 0xFF);

  for (; data < end; 
++data2.71M
)

    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);

}

/* Compute the division of lhs by a rhs of type unsigned long, rounding towards

 * positive infinity (Ceil).

 */

void isl_imath_cdiv_q_ui(mp_int rop, mp_int lhs, unsigned long rhs)

{

  mpz_t temp;

  mp_int_init(&temp);

  mp_int_set_uvalue(&temp, rhs);

  impz_cdiv_q(rop, lhs, &temp);

  mp_int_clear(&temp);

}

/* Compute the division of lhs by a rhs of type unsigned long, rounding towards

 * negative infinity (Floor).

 */

void isl_imath_fdiv_q_ui(mp_int rop, mp_int lhs, unsigned long rhs)

{

  mpz_t temp;

  mp_int_init(&temp);

  mp_int_set_uvalue(&temp, rhs);

  impz_fdiv_q(rop, lhs, &temp);

  mp_int_clear(&temp);

}