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yap-6.3/H/arith2.h
vsc e5f4633c39 This commit was generated by cvs2svn to compensate for changes in r4, 
which included commits to RCS files with non-trunk default branches.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@5 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2001-04-09 19:54:03 +00:00

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/*************************************************************************
* *
* 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
if ((i^j) >= 0 && (i^x) < 0) {
MP_INT *new = InitBigNum(i);
if (j > 0) {
mpz_add_ui(new, new, j);
RBIG(new);
} else {
mpz_add_ui(new, new, -j);
RBIG(new);
}
}
#endif
/* Integer overflow, we need to use big integers */
RINT(x);
}
/* 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:
{
Int i1 = IntegerOfTerm(t1);
MP_INT *l2 = BigIntOfTerm(t2);
if (i1 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, l2, i1);
RBIG(new);
} else if (i1 == 0) {
RBIG(l2);
} else {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, l2, -i1);
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(FloatOfTerm(t1)+mpz_get_d(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:
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
RBIG(l1);
} else {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, l1, -i2);
RBIG(new);
}
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_add(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
RFLOAT(mpz_get_d(BigIntOfTerm(t1))+FloatOfTerm(t2));
default:
/* we've got a full term, need to evaluate it first */
v1.big = 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:
{
if (v1.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, v2.big, v1.Int);
RBIG(new);
} else if (v1.Int == 0) {
RBIG(v2.big);
} else {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, v2.big, -v1.Int);
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(v1.dbl+mpz_get_d(v2.big));
#endif
default:
/* error */
RERROR();
}
#ifdef USE_GMP
case big_int_e:
switch (bt2) {
case long_int_e:
/* big * integer */
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
RBIG(v1.big);
} else {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, v2.big, -v1.Int);
RBIG(new);
}
case double_e:
/* big * float */
RFLOAT(mpz_get_d(v1.big)*v2.dbl);
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_add(new, v1.big, 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(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:
{
Int i1 = IntegerOfTerm(t1);
MP_INT *l2 = BigIntOfTerm(t2);
if (i1 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, l2, i1);
mpz_neg(new, new);
RBIG(new);
} else if (i1 == 0) {
MP_INT *new = PreAllocBigNum();
mpz_neg(new, l2);
RBIG(new);
} else {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, l2, -i1);
mpz_neg(new,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(FloatOfTerm(t1)-mpz_get_d(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:
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
RBIG(l1);
} else {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, l1, -i2);
RBIG(new);
}
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_sub(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
{
RFLOAT(mpz_get_d(BigIntOfTerm(t1))-FloatOfTerm(t2));
}
default:
/* we've got a full term, need to evaluate it first */
v1.big = 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:
{
if (v1.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, v2.big, v1.Int);
mpz_neg(new, new);
RBIG(new);
} else if (v1.Int == 0) {
MP_INT *new = PreAllocBigNum();
mpz_neg(new, v2.big);
RBIG(new);
} else {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, v2.big, -v1.Int);
mpz_neg(new, 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(v1.dbl-mpz_get_d(v2.big));
#endif
default:
/* error */
RERROR();
}
#ifdef USE_GMP
case big_int_e:
switch (bt2) {
case long_int_e:
/* big * integer */
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_sub_ui(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
RBIG(v1.big);
} else {
MP_INT *new = PreAllocBigNum();
mpz_add_ui(new, v2.big, -v1.Int);
RBIG(new);
}
case double_e:
/* big * float */
RFLOAT(mpz_get_d(v1.big)-v2.dbl);
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_sub(new, v1.big, v2.big);
RBIG(new);
}
default:
/* error */
RERROR();
}
#endif
default:
/* error */
RERROR();
}
}
#ifdef __GNUC__
#ifdef __i386__
#define DO_MULTI() { Int tmp1; \
__asm__ ("imull %3
movl $0,%1
jno 0f
movl $1,%1
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 = InitBigNum(i1);
if (i2 > 0) {
mpz_mul_ui(new, new, i2);
RBIG(new);
} else {
mpz_mul_ui(new, new, -i2);
mpz_neg(new, 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:
{
Int i1 = IntegerOfTerm(t1);
MP_INT *l2 = BigIntOfTerm(t2);
if (i1 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, l2, i1);
RBIG(new);
} else if (i1 == 0) {
RINT(0);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, l2, -i1);
mpz_neg(new, 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(FloatOfTerm(t1)*mpz_get_d(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:
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
RINT(0);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, l1, -i2);
mpz_neg(new, new);
RBIG(new);
}
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_mul(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
{
RFLOAT(mpz_get_d(BigIntOfTerm(t1))*FloatOfTerm(t2));
}
default:
/* we've got a full term, need to evaluate it first */
v1.big = 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:
{
if (v1.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, v2.big, v1.Int);
RBIG(new);
} else if (v1.Int == 0) {
RINT(0);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, v2.big, -v1.Int);
mpz_neg(new, 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(v1.dbl*mpz_get_d(v2.big));
#endif
default:
/* error */
RERROR();
}
#ifdef USE_GMP
case big_int_e:
switch (bt2) {
case long_int_e:
/* big * integer */
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
RINT(0);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_ui(new, v2.big, -v1.Int);
mpz_neg(new, new);
RBIG(new);
}
case double_e:
/* big * float */
RFLOAT(mpz_get_d(v1.big)*v2.dbl);
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_mul(new, v1.big, 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) {
Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
}
RINT(IntegerOfTerm(t1) / i2);
}
case double_e:
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:
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 */
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_ui(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
} else {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_ui(new, l1, -i2);
mpz_neg(new, new);
RBIG(new);
}
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
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 */
v1.big = 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) {
Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
}
RINT(v1.Int / v2.Int);
case double_e:
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:
/* Error */
RERROR();
}
case double_e:
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 */
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_ui(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
Error(EVALUATION_ERROR_ZERO_DIVISOR, t2, "// /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
} else {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_ui(new, v2.big, -v1.Int);
mpz_neg(new, new);
RBIG(new);
}
case double_e:
/* big // float */
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "// /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q(new, v1.big, 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:
Error(TYPE_ERROR_INTEGER, t2, "/\\ /2");
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
{
unsigned long int i2 = mpz_get_ui(BigIntOfTerm(t2));
RINT(IntegerOfTerm(t1) & i2);
}
#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:
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 */
{
unsigned long int i1 = mpz_get_ui(BigIntOfTerm(t1));
RINT(i1 & IntegerOfTerm(t2));
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_and(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
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 */
v1.big = 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:
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "/\\ /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
{
unsigned long int i2 = mpz_get_ui(v2.big);
RINT(v1.Int & i2);
}
#endif
default:
/* Error */
RERROR();
}
case double_e:
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 */
{
unsigned long int i1 = mpz_get_ui(v1.big);
RINT(i1 & v2.Int);
}
case double_e:
/* big // float */
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "/\\ /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_and(new, v1.big, 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:
Error(TYPE_ERROR_INTEGER, t2, "\\/ /2");
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
{
MP_INT *new = PreAllocBigNum();
mpz_set_si(new,IntOfTerm(t1));
mpz_ior(new, new, BigIntOfTerm(t2));
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:
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 = PreAllocBigNum();
mpz_set_si(new,IntOfTerm(t2));
mpz_ior(new, BigIntOfTerm(t1), new);
RBIG(new);
}
case big_int_e:
/* two bignums */
{
MP_INT *new = PreAllocBigNum();
mpz_ior(new, BigIntOfTerm(t1), BigIntOfTerm(t2));
RBIG(new);
}
case double_e:
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 */
v1.big = 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:
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 = PreAllocBigNum();
mpz_set_si(new,v1.Int);
mpz_ior(new, new, v2.big);
RBIG(new);
}
#endif
default:
/* Error */
RERROR();
}
case double_e:
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 = PreAllocBigNum();
mpz_set_si(new, v2.Int);
mpz_ior(new, v1.big, new);
RBIG(new);
}
case double_e:
/* big // float */
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "\\/ /2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
case big_int_e:
/* big * big */
{
MP_INT *new = PreAllocBigNum();
mpz_ior(new, v1.big, v2.big);
RBIG(new);
}
default:
/* error */
RERROR();
}
#endif
default:
/* error */
RERROR();
}
}
/*
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 */
RINT(IntegerOfTerm(t1) << IntegerOfTerm(t2));
case double_e:
Error(TYPE_ERROR_INTEGER, t2, "<</2");
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
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:
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:
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_2exp(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
RBIG(l1);
} else {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_2exp(new, l1, -i2);
RBIG(new);
}
}
case big_int_e:
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
P = (yamop *)FAILCODE;
RERROR();
case double_e:
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 */
v1.big = 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:
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "<</2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
P = (yamop *)FAILCODE;
RERROR();
#endif
default:
/* Error */
RERROR();
}
case double_e:
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 */
{
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_mul_2exp(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
RBIG(v1.big);
} else {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_2exp(new, v1.big, -v2.Int);
RBIG(new);
}
}
case double_e:
/* big << float */
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), "<</2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
case big_int_e:
/* big << big */
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, "<</2");
P = (yamop *)FAILCODE;
RERROR();
default:
/* error */
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 */
RINT(IntegerOfTerm(t1) >> IntegerOfTerm(t2));
case double_e:
Error(TYPE_ERROR_INTEGER, t2, ">>/2");
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
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:
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:
{
Int i2 = IntegerOfTerm(t2);
MP_INT *l1 = BigIntOfTerm(t1);
if (i2 > 0) {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_2exp(new, l1, i2);
RBIG(new);
} else if (i2 == 0) {
RBIG(l1);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_2exp(new, l1, -i2);
RBIG(new);
}
}
case big_int_e:
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
P = (yamop *)FAILCODE;
RERROR();
case double_e:
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 */
v1.big = 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:
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), ">>/2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
#ifdef USE_GMP
case big_int_e:
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
P = (yamop *)FAILCODE;
RERROR();
#endif
default:
/* Error */
RERROR();
}
case double_e:
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 */
{
if (v2.Int > 0) {
MP_INT *new = PreAllocBigNum();
mpz_tdiv_q_2exp(new, v1.big, v2.Int);
RBIG(new);
} else if (v2.Int == 0) {
RBIG(v1.big);
} else {
MP_INT *new = PreAllocBigNum();
mpz_mul_2exp(new, v1.big, -v2.Int);
RBIG(new);
}
}
case double_e:
/* big >> float */
Error(TYPE_ERROR_INTEGER, MkFloatTerm(v2.dbl), ">>/2");
/* make GCC happy */
P = (yamop *)FAILCODE;
RERROR();
case big_int_e:
/* big >> big */
Error(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, t2, ">>/2");
P = (yamop *)FAILCODE;
RERROR();
default:
/* error */
RERROR();
}
#endif
default:
/* error */
RERROR();
}
}
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