267 lines
5.9 KiB
C
267 lines
5.9 KiB
C
/*************************************************************************
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* *
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* YAP Prolog @(#)eval.h 1.2
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: eval.h *
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* Last rev: *
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* mods: *
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* comments: arithmetical functions info *
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* *
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*************************************************************************/
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#include <stdlib.h>
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/* C library used to implement floating point functions */
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#if HAVE_MATH_H
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#include <math.h>
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#endif
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#ifdef HAVE_FLOAT_H
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#include <float.h>
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#endif
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#ifdef HAVE_IEEEFP_H
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#include <ieeefp.h>
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifdef LONG_MAX
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#define Int_MAX LONG_MAX
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#else
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#define Int_MAX ((Int)((~((CELL)0))>>1))
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#endif
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#ifdef LONG_MIN
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#define Int_MIN LONG_MIN
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#else
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#define Int_MIN (-Int_MAX-(CELL)1)
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#endif
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typedef enum {
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op_pi,
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op_e,
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op_epsilon,
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op_inf,
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op_nan,
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op_random,
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op_cputime,
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op_heapused,
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op_localsp,
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op_globalsp,
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op_b,
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op_env,
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op_tr,
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op_stackfree
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} arith0_op;
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typedef enum {
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op_uplus,
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op_uminus,
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op_unot,
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op_exp,
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op_log,
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op_log10,
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op_sqrt,
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op_sin,
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op_cos,
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op_tan,
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op_sinh,
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op_cosh,
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op_tanh,
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op_asin,
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op_acos,
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op_atan,
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op_asinh,
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op_acosh,
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op_atanh,
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op_floor,
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op_ceiling,
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op_round,
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op_truncate,
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op_integer,
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op_float,
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op_abs,
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op_lsb,
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op_msb,
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op_popcount,
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op_ffracp,
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op_fintp,
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op_sign,
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op_lgamma,
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op_random1
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} arith1_op;
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typedef enum {
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op_plus,
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op_minus,
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op_times,
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op_fdiv,
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op_mod,
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op_rem,
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op_div,
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op_sll,
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op_slr,
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op_and,
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op_or,
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op_xor,
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op_atan2,
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/* C-Prolog exponentiation */
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op_power,
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/* ISO-Prolog exponentiation */
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/* op_power, */
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op_power2,
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/* Quintus exponentiation */
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/* op_power, */
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op_gcd,
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op_min,
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op_max
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} arith2_op;
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Functor STD_PROTO(EvalArg,(Term));
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/* Needed to handle numbers:
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these two macros are fundamental in the integer/float conversions */
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#ifdef C_PROLOG
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#define FlIsInt(X) ( (X) == (Int)(X) && IntInBnd((X)) )
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#else
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#define FlIsInt(X) ( FALSE )
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#endif
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#ifdef M_WILLIAMS
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#define MkEvalFl(X) MkFloatTerm(X)
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#else
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#define MkEvalFl(X) ( FlIsInt(X) ? MkIntTerm((Int)(X)) : MkFloatTerm(X) )
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#endif
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/* Macros used by some of the eval functions */
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#define REvalInt(I) { eval_int = (I); return(FInt); }
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#define REvalFl(F) { eval_flt = (F); return(FFloat); }
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#define REvalError() { return(FError); }
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/* this macro, dependent on the particular implementation
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is used to interface the arguments into the C libraries */
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#ifdef MPW
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#define FL(X) ((extended)(X))
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#else
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#define FL(X) ((double)(X))
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#endif
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extern yap_error_number Yap_matherror;
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void STD_PROTO(Yap_InitConstExps,(void));
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void STD_PROTO(Yap_InitUnaryExps,(void));
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void STD_PROTO(Yap_InitBinaryExps,(void));
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int STD_PROTO(Yap_ReInitConstExps,(void));
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int STD_PROTO(Yap_ReInitUnaryExps,(void));
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int STD_PROTO(Yap_ReInitBinaryExps,(void));
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Term STD_PROTO(Yap_eval_atom,(Int));
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Term STD_PROTO(Yap_eval_unary,(Int,Term));
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Term STD_PROTO(Yap_eval_binary,(Int,Term,Term));
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Term STD_PROTO(Yap_InnerEval,(Term));
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Int STD_PROTO(Yap_ArithError,(yap_error_number,Term,char *msg, ...));
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inline EXTERN Term
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Yap_Eval(Term t)
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{
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if (t == 0L || ( !IsVarTerm(t) && IsNumTerm(t) ))
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return t;
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return Yap_InnerEval(t);
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}
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inline static Term
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Yap_FoundArithError(Term t, Term inp)
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{
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if (Yap_Error_TYPE) {
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Yap_Error(Yap_Error_TYPE, (inp ? inp : Yap_Error_Term), Yap_ErrorMessage);
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P = FAILCODE;
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return 0L;
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}
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return t;
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}
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#define RINT(v) return(MkIntegerTerm(v))
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#define RFLOAT(v) return(MkFloatTerm(v))
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#define RBIG(v) return(Yap_MkBigIntTerm(v))
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#define RERROR() return(0L)
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static inline blob_type
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ETypeOfTerm(Term t)
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{
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if (IsIntTerm(t))
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return long_int_e;
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if (IsApplTerm(t)) {
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Functor f = FunctorOfTerm(t);
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if (f == FunctorDouble)
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return double_e;
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if (f == FunctorLongInt)
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return long_int_e;
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if (f == FunctorBigInt)
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return big_int_e;
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}
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return db_ref_e;
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}
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#if USE_GMP
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Term STD_PROTO(Yap_gmp_add_ints,(Int, Int));
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Term STD_PROTO(Yap_gmp_sub_ints,(Int, Int));
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Term STD_PROTO(Yap_gmp_mul_ints,(Int, Int));
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Term STD_PROTO(Yap_gmp_sll_ints,(Int, Int));
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Term STD_PROTO(Yap_gmp_add_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_sub_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_sub_big_int,(MP_INT *, Int));
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Term STD_PROTO(Yap_gmp_mul_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_div_big_int,(MP_INT *, Int));
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Term STD_PROTO(Yap_gmp_and_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_ior_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_sll_big_int,(MP_INT *, Int));
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Term STD_PROTO(Yap_gmp_add_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_sub_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_mul_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_div_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_and_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_ior_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_mod_big_big,(MP_INT *, MP_INT *));
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Term STD_PROTO(Yap_gmp_mod_big_int,(MP_INT *, Int));
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Term STD_PROTO(Yap_gmp_mod_int_big,(Int, MP_INT *));
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Term STD_PROTO(Yap_gmp_exp_ints,(Int,Int));
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Term STD_PROTO(Yap_gmp_exp_big_int,(MP_INT *,Int));
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Term STD_PROTO(Yap_gmp_big_from_64bits,(YAP_LONG_LONG));
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Term STD_PROTO(Yap_gmp_add_float_big,(Float, MP_INT *));
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Term STD_PROTO(Yap_gmp_sub_float_big,(Float, MP_INT *));
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Term STD_PROTO(Yap_gmp_sub_big_float,(MP_INT *, Float));
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Term STD_PROTO(Yap_gmp_mul_float_big,(Float, MP_INT *));
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#endif
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inline EXTERN Term Yap_Mk64IntegerTerm(YAP_LONG_LONG);
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inline EXTERN Term
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Yap_Mk64IntegerTerm(YAP_LONG_LONG i)
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{
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if (i <= Int_MAX && i >= Int_MIN) {
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return MkIntegerTerm((Int)i);
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} else {
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#if USE_GMP
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return Yap_gmp_big_from_64bits(i);
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#else
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return MkIntTerm(-1);
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#endif
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}
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}
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