1493 lines
32 KiB
C
1493 lines
32 KiB
C
/*************************************************************************
|
|
* *
|
|
* YAP Prolog *
|
|
* *
|
|
* Yap Prolog was developed at NCCUP - Universidade do Porto *
|
|
* *
|
|
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
|
|
* *
|
|
**************************************************************************
|
|
* *
|
|
* File: arithi2.c *
|
|
* Last rev: *
|
|
* mods: *
|
|
* comments: arithmetical expression evaluation *
|
|
* *
|
|
*************************************************************************/
|
|
|
|
/* This file implements fast binary math operations for YAP
|
|
*
|
|
*/
|
|
|
|
inline static E_FUNC
|
|
add_int(Int i, Int j E_ARGS)
|
|
{
|
|
Int x = i+j;
|
|
#if USE_GMP
|
|
/* Integer overflow, we need to use big integers */
|
|
Int overflow = (i & j & ~x) | (~i & ~j & x);
|
|
if (overflow) {
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_add_ints(i, j, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
#ifdef BEAM
|
|
RINT(x);
|
|
return( MkIntegerTerm (x));
|
|
#else
|
|
RINT(x);
|
|
#endif
|
|
}
|
|
|
|
inline static E_FUNC
|
|
sub_int(Int i, Int j E_ARGS)
|
|
{
|
|
Int x = i-j;
|
|
#if USE_GMP
|
|
Int overflow = (i & ~j & ~x) | (~i & j & x);
|
|
/* Integer overflow, we need to use big integers */
|
|
if (overflow) {
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_sub_ints(i, j, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
#ifdef BEAM
|
|
RINT(x);
|
|
return( MkIntegerTerm (x));
|
|
#else
|
|
RINT(x);
|
|
#endif
|
|
}
|
|
|
|
/* Extended version with two possibilities:
|
|
- both terms do not need evaluation;
|
|
- a term needs evaluation;
|
|
*/
|
|
static E_FUNC
|
|
p_plus(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return add_int(IntegerOfTerm(t1),IntegerOfTerm(t2) USE_E_ARGS);
|
|
case double_e:
|
|
{
|
|
/* integer, double */
|
|
Float fl1 = (Float)IntegerOfTerm(t1);
|
|
Float fl2 = FloatOfTerm(t2);
|
|
RFLOAT(fl1+fl2);
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_int_big(IntegerOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(FloatOfTerm(t1)+IntegerOfTerm(t2));
|
|
case double_e:
|
|
RFLOAT(FloatOfTerm(t1)+FloatOfTerm(t2));
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
RFLOAT(Yap_gmp_add_float_big(FloatOfTerm(t1),Yap_BigIntOfTerm(t2)));
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.dbl = FloatOfTerm(t1);
|
|
bt1 = double_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_int_big(IntegerOfTerm(t2), Yap_BigIntOfTerm(t1), new);
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_big_big(Yap_BigIntOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
RFLOAT(Yap_gmp_add_float_big(FloatOfTerm(t2),Yap_BigIntOfTerm(t1)));
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big, Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return add_int(v1.Int,v2.Int USE_E_ARGS);
|
|
case double_e:
|
|
/* integer, double */
|
|
RFLOAT(v1.Int+v2.dbl);
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_int_big(v1.Int, v2.big, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(v1.dbl+v2.Int);
|
|
case double_e:
|
|
/* float * float */
|
|
RFLOAT(v1.dbl+v2.dbl);
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
/* float * float */
|
|
RFLOAT(Yap_gmp_add_float_big(v1.dbl, v2.big));
|
|
mpz_clear(v2.big);
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_int_big(v2.Int, v1.big, new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big * float */
|
|
{
|
|
Float dbl = Yap_gmp_add_float_big(v2.dbl, v1.big);
|
|
mpz_clear(v1.big);
|
|
RFLOAT(dbl);
|
|
}
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_add_big_big(v1.big, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
/* Extended version with two possibilities:
|
|
- both terms do not need evaluation;
|
|
- a term needs evaluation;
|
|
*/
|
|
static E_FUNC
|
|
p_minus(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return sub_int(IntegerOfTerm(t1), IntegerOfTerm(t2) USE_E_ARGS);
|
|
case double_e:
|
|
{
|
|
/* integer, double */
|
|
Float fl1 = (Float)IntegerOfTerm(t1);
|
|
Float fl2 = FloatOfTerm(t2);
|
|
RFLOAT(fl1-fl2);
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_int_big(IntegerOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(FloatOfTerm(t1)-IntegerOfTerm(t2));
|
|
case double_e:
|
|
{
|
|
RFLOAT(FloatOfTerm(t1)-FloatOfTerm(t2));
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
RFLOAT(Yap_gmp_sub_float_big(FloatOfTerm(t1),Yap_BigIntOfTerm(t2)));
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.dbl = FloatOfTerm(t1);
|
|
bt1 = double_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_big_int(Yap_BigIntOfTerm(t1), IntegerOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_big_big(Yap_BigIntOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
{
|
|
RFLOAT(Yap_gmp_sub_big_float(Yap_BigIntOfTerm(t1),FloatOfTerm(t2)));
|
|
}
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return sub_int(v1.Int, v2.Int USE_E_ARGS);
|
|
case double_e:
|
|
{
|
|
/* integer, double */
|
|
RFLOAT(v1.Int-v2.dbl);
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_int_big(v1.Int, v2.big, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(v1.dbl-v2.Int);
|
|
case double_e:
|
|
/* float * float */
|
|
RFLOAT(v1.dbl-v2.dbl);
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
/* float * float */
|
|
{
|
|
Float flt = Yap_gmp_sub_float_big(v1.dbl,v2.big);
|
|
|
|
mpz_clear(v2.big);
|
|
RFLOAT(flt);
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_big_int(v1.big, v2.Int, new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big * float */
|
|
{
|
|
Float flt = Yap_gmp_sub_big_float(v1.big,v2.dbl);
|
|
|
|
mpz_clear(v1.big);
|
|
RFLOAT(flt);
|
|
}
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sub_big_big(v1.big, v2.big, new);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
#ifdef __GNUC__
|
|
#ifdef __i386__
|
|
#define DO_MULTI() { Int tmp1; \
|
|
__asm__ ("imull %3\n\t movl $0,%1\n\t jno 0f\n\t movl $1,%1\n\t 0:" \
|
|
: "=a" (z), \
|
|
"=d" (tmp1) \
|
|
: "a" (i1), \
|
|
"rm" (i2) \
|
|
: "cc" ); \
|
|
if (tmp1) goto overflow; \
|
|
}
|
|
#define OPTIMIZE_MULTIPLI 1
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef OPTIMIZE_MULTIPLI
|
|
#define DO_MULTI() z = i1*i2; \
|
|
if (i2 && z/i2 != i1) goto overflow
|
|
#endif
|
|
|
|
inline static E_FUNC
|
|
times_int(Int i1, Int i2 E_ARGS) {
|
|
#ifdef USE_GMP
|
|
Int z;
|
|
DO_MULTI();
|
|
RINT(z);
|
|
overflow:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_mul_ints(i1, i2, new);
|
|
RBIG(new);
|
|
}
|
|
#else
|
|
RINT(i1*i2);
|
|
#endif
|
|
}
|
|
|
|
/* Extended version with two possibilities:
|
|
- both terms do not need evaluation;
|
|
- a term needs evaluation;
|
|
*/
|
|
static E_FUNC
|
|
p_times(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return(times_int(IntegerOfTerm(t1),IntegerOfTerm(t2) USE_E_ARGS));
|
|
case double_e:
|
|
{
|
|
/* integer, double */
|
|
Float fl1 = (Float)IntegerOfTerm(t1);
|
|
Float fl2 = FloatOfTerm(t2);
|
|
RFLOAT(fl1*fl2);
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_mul_int_big(IntegerOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(FloatOfTerm(t1)*IntegerOfTerm(t2));
|
|
case double_e:
|
|
{
|
|
RFLOAT(FloatOfTerm(t1)*FloatOfTerm(t2));
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
RFLOAT(Yap_gmp_mul_float_big(FloatOfTerm(t1),Yap_BigIntOfTerm(t2)));
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.dbl = FloatOfTerm(t1);
|
|
bt1 = double_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_mul_int_big(IntegerOfTerm(t2), Yap_BigIntOfTerm(t1), new);
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_mul_big_big(Yap_BigIntOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
{
|
|
RFLOAT(Yap_gmp_mul_float_big(FloatOfTerm(t2),Yap_BigIntOfTerm(t1)));
|
|
}
|
|
default:
|
|
/* We've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
return(times_int(v1.Int,v2.Int USE_E_ARGS));
|
|
case double_e:
|
|
{
|
|
/* integer, double */
|
|
RFLOAT(v1.Int*v2.dbl);
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_mul_int_big(v1.Int, v2.big, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* float * integer */
|
|
RFLOAT(v1.dbl*v2.Int);
|
|
case double_e:
|
|
/* float * float */
|
|
RFLOAT(v1.dbl*v2.dbl);
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
/* float * float */
|
|
{
|
|
Float flt = Yap_gmp_mul_float_big(v1.dbl, v2.big);
|
|
|
|
mpz_clear(v2.big);
|
|
RFLOAT(flt);
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* big * integer */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_mul_int_big(v2.Int, v1.big, new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big * float */
|
|
{
|
|
Float dbl = Yap_gmp_mul_float_big(v2.dbl, v1.big);
|
|
mpz_clear(v1.big);
|
|
RFLOAT(dbl);
|
|
}
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_mul_big_big(v1.big, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
/*
|
|
Integer division //
|
|
*/
|
|
static E_FUNC
|
|
p_div(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
{
|
|
Int i2 = IntegerOfTerm(t2);
|
|
|
|
if (i2 == 0) {
|
|
Yap_Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RINT(IntegerOfTerm(t1) / i2);
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
/* Cool */
|
|
RINT(0);
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t1, "// /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* dividing a bignum by an integer */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_div_big_int(Yap_BigIntOfTerm(t1), IntegerOfTerm(t2), new);
|
|
if (!new) {
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_div_big_big(Yap_BigIntOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big, Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
if (v2.Int == 0) {
|
|
Yap_Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RINT(v1.Int / v2.Int);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
/* Cool */
|
|
RINT(0);
|
|
#endif
|
|
default:
|
|
/* Yap_Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v1.dbl), "// /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* big // integer */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_div_big_int(v1.big, v2.Int, new);
|
|
if (!new) {
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big // float */
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "// /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_div_big_big(v1.big, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
/*
|
|
and /\\
|
|
*/
|
|
static E_FUNC
|
|
p_and(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
RINT(IntegerOfTerm(t1) & IntegerOfTerm(t2));
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "/\\ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_and_int_big(IntegerOfTerm(t1),Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t1, "/\\ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* anding a bignum with an integer is easy */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_and_int_big(IntegerOfTerm(t2),Yap_BigIntOfTerm(t1), new);
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_and_big_big(Yap_BigIntOfTerm(t2), Yap_BigIntOfTerm(t1), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "/\\ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
RINT(v1.Int & v2.Int);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "/\\ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_and_int_big(v1.Int, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* Yap_Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
#ifdef USE_GMP
|
|
if (bt2 == big_int_e) {
|
|
mpz_clear(v2.big);
|
|
}
|
|
#endif
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v1.dbl), "/\\ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* anding a bignum with an integer is easy */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_and_int_big(v2.Int, v1.big, new);
|
|
mpz_clear(v1.big);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big // float */
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "/\\ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_and_big_big(v1.big, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
/*
|
|
or \/
|
|
*/
|
|
static E_FUNC
|
|
p_or(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
RINT(IntegerOfTerm(t1) | IntegerOfTerm(t2));
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "\\/ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_int_big(IntegerOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t1, "\\/ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_int_big(IntegerOfTerm(t2), Yap_BigIntOfTerm(t1), new);
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
/* two bignums */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_big_big(Yap_BigIntOfTerm(t1), Yap_BigIntOfTerm(t2), new);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "\\/ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
RINT(v1.Int | v2.Int);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "\\/ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_int_big(v1.Int, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
default:
|
|
/* Yap_Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v1.dbl), "\\/ /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* anding a bignum with an integer is easy */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_int_big(v2.Int, v1.big, new);
|
|
mpz_clear(v1.big);
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big // float */
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "\\/ /2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case big_int_e:
|
|
/* big * big */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
Yap_gmp_ior_big_big(v1.big, v2.big, new);
|
|
mpz_clear(v2.big);
|
|
RBIG(new);
|
|
}
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
#if USE_GMP
|
|
static inline Int
|
|
sll_ovflw(Int x,Int i)
|
|
{
|
|
CELL t = (1<<x)-1;
|
|
return (t & i) != i;
|
|
}
|
|
#endif
|
|
|
|
inline static E_FUNC
|
|
do_sll(Int i, Int j E_ARGS)
|
|
{
|
|
#if USE_GMP
|
|
Int x = (8*sizeof(CELL)-2)-j;
|
|
|
|
if (x < 0||
|
|
sll_ovflw(x,i)) {
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sll_ints(i, j, new);
|
|
RBIG(new);
|
|
}
|
|
#endif
|
|
RINT(i << j);
|
|
}
|
|
|
|
/*
|
|
sll <<
|
|
|
|
First argument may be int or bignum;
|
|
Second argument may only be an int.
|
|
*/
|
|
static E_FUNC
|
|
p_sll(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
if (IntegerOfTerm(t2) < 0) {
|
|
Int i2 = IntegerOfTerm(t2);
|
|
if (i2 == Int_MIN) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RINT(IntegerOfTerm(t1) >> -i2);
|
|
}
|
|
return do_sll(IntegerOfTerm(t1),IntegerOfTerm(t2) USE_E_ARGS);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t1, "<< /2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
new = Yap_gmp_sll_big_int(Yap_BigIntOfTerm(t1), IntegerOfTerm(t2), new);
|
|
if (!new) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, "<</2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
if (v2.Int < 0) {
|
|
if (v2.Int == Int_MIN) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, MkIntegerTerm(v2.Int), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RINT(v1.Int >> -v2.Int);
|
|
}
|
|
return do_sll(v1.Int,v2.Int USE_E_ARGS);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "<</2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
mpz_clear(v2.big);
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#endif
|
|
default:
|
|
/* Yap_Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
#ifdef USE_GMP
|
|
if (bt2 == big_int_e)
|
|
mpz_clear(v2.big);
|
|
#endif
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v1.dbl), "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* big << int */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sll_big_int(v1.big, v2.Int, new);
|
|
if (!new) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, MkIntegerTerm(v2.Int), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big << float */
|
|
mpz_clear(v1.big);
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "<</2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case big_int_e:
|
|
/* big << big */
|
|
mpz_clear(v1.big);
|
|
mpz_clear(v2.big);
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* error */
|
|
mpz_clear(v1.big);
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|
|
|
|
/*
|
|
slr >>
|
|
|
|
First argument may be int or bignum;
|
|
Second argument may only be an int.
|
|
*/
|
|
static E_FUNC
|
|
p_slr(Term t1, Term t2 E_ARGS)
|
|
{
|
|
Functor f1 = AritFunctorOfTerm(t1), f2;
|
|
blob_type bt1, bt2;
|
|
union arith_ret v1, v2;
|
|
|
|
switch (BlobOfFunctor(f1)) {
|
|
case long_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
/* two integers */
|
|
if (IntegerOfTerm(t2) < 0) {
|
|
Int i2 = IntegerOfTerm(t2);
|
|
if (i2 == Int_MIN) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
return do_sll(IntegerOfTerm(t1), -i2 USE_E_ARGS);
|
|
}
|
|
RINT(IntegerOfTerm(t1) >> IntegerOfTerm(t2));
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
v1.Int = IntegerOfTerm(t1);
|
|
bt1 = long_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
break;
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t1, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
f2 = AritFunctorOfTerm(t2);
|
|
|
|
switch (BlobOfFunctor(f2)) {
|
|
case long_int_e:
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sll_big_int(Yap_BigIntOfTerm(t1), -IntegerOfTerm(t2), new);
|
|
if (!new) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case big_int_e:
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, t2, ">>/2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
mpz_init_set(v1.big,Yap_BigIntOfTerm(t1));
|
|
bt1 = big_int_e;
|
|
bt2 = ArithIEval(t2, &v2);
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
/* we've got a full term, need to evaluate it first */
|
|
bt1 = ArithIEval(t1, &v1);
|
|
/* don't know anything about second */
|
|
bt2 = ArithIEval(t2, &v2);
|
|
}
|
|
/* second case, no need no evaluation */
|
|
switch (bt1) {
|
|
case long_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
if (v2.Int < 0) {
|
|
if (v2.Int == Int_MIN) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, MkIntegerTerm(v2.Int), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
return do_sll(v1.Int, -v2.Int USE_E_ARGS);
|
|
}
|
|
RINT(v1.Int >> v2.Int);
|
|
case double_e:
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), ">>/2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
mpz_clear(v2.big);
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
RERROR();
|
|
#endif
|
|
default:
|
|
/* Yap_Error */
|
|
RERROR();
|
|
}
|
|
case double_e:
|
|
#if USE_GMP
|
|
if (bt2 == big_int_e)
|
|
mpz_clear(v2.big);
|
|
#endif
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v1.dbl), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
switch (bt2) {
|
|
case long_int_e:
|
|
/* big >> int */
|
|
{
|
|
MP_INT *new = TMP_BIG();
|
|
|
|
new = Yap_gmp_sll_big_int(v1.big, -v2.Int, new);
|
|
if (!new) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, MkIntegerTerm(v2.Int), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
MPZ_SET(new, v1.big);
|
|
if (v2.Int > 0) {
|
|
mpz_tdiv_q_2exp(new, new, v2.Int);
|
|
} else if (v2.Int < 0) {
|
|
if (v2.Int == Int_MIN) {
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, MkIntegerTerm(v2.Int), ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
}
|
|
mpz_mul_2exp(new, v1.big, -v2.Int);
|
|
}
|
|
RBIG(new);
|
|
}
|
|
case double_e:
|
|
/* big >> float */
|
|
mpz_clear(v1.big);
|
|
Yap_Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), ">>/2");
|
|
/* make GCC happy */
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
case big_int_e:
|
|
/* big >> big */
|
|
mpz_clear(v1.big);
|
|
mpz_clear(v2.big);
|
|
Yap_Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
|
|
P = (yamop *)FAILCODE;
|
|
RERROR();
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
#endif
|
|
default:
|
|
/* error */
|
|
RERROR();
|
|
}
|
|
}
|