1/*  Constraint logic programming over continuous domains
    2
    3    Author:        Edison Mera
    4    E-mail:        efmera@gmail.com
    5    WWW:           https://github.com/edisonm/assertions
    6    Copyright (C): 2020, Process Design Center, Breda, The Netherlands.
    7    All rights reserved.
    8
    9    Redistribution and use in source and binary forms, with or without
   10    modification, are permitted provided that the following conditions
   11    are met:
   12
   13    1. Redistributions of source code must retain the above copyright
   14       notice, this list of conditions and the following disclaimer.
   15
   16    2. Redistributions in binary form must reproduce the above copyright
   17       notice, this list of conditions and the following disclaimer in
   18       the documentation and/or other materials provided with the
   19       distribution.
   20
   21    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   23    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   24    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   25    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   26    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   27    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   28    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   29    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   31    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   32    POSSIBILITY OF SUCH DAMAGE.
   33*/
   34
   35:- module(clpcd,
   36          [ {}/1,
   37            maximize/1,
   38            minimize/1,
   39            inf/2,
   40            inf/4,
   41            sup/2,
   42            sup/4,
   43            bb_inf/3,
   44            bb_inf/4,
   45            entailed/1
   46          ]).   47
   48:- use_module(library(lists)).   49:- use_module(library(neck)).   50:- use_module(library(clpcd/bb)).   51:- use_module(library(clpcd/nf)).   52:- use_module(library(clpcd/bv)).   53:- use_module(library(clpcd/inv)).   54:- use_module(library(clpcd/domain_ops)).   55:- reexport(library(clpcd/dump),       [dump/3]).   56:- reexport(library(clpcd/ordering),   [clp_type/2]).   57:- reexport(library(clpcd/ordering),   [ordering/1]).   58:- init_expansors.   59
   60:- meta_predicate
   61        inf(:,?),
   62        inf(:,?,?,?),
   63        sup(:,?),
   64        sup(:,?,?,?),
   65        maximize(:),
   66        minimize(:),
   67        {:},
   68        entailed(:),
   69        bb_inf(?,:,?),
   70        bb_inf(?,:,?,?).   71
   72inf(C:Expression, Inf) :-
   73    active_clpcd(C, D),
   74    inf(D, Expression, Inf).
   75
   76inf(C:Expression, Inf, Vector, Vertex) :-
   77    active_clpcd(C, D),
   78    inf(D, Expression, Inf, Vector, Vertex).
   79
   80sup(C:Expression, Sup) :-
   81    active_clpcd(C, D),
   82    sup(D, Expression, Sup).
   83
   84sup(C:Expression, Sup, Vector, Vertex) :-
   85    active_clpcd(C, D),
   86    sup(D, Expression, Sup, Vector, Vertex).
   87
   88maximize(C:Term) :-
   89    active_clpcd(C, D),
   90    maximize(D, Term).
   91
   92minimize(C:Term) :-
   93    active_clpcd(C, D),
   94    minimize(D, Term).
   95
   96{C:Rel} :-
   97    active_clpcd(C, D),
   98    add_constraint(Rel, D).
   99
  100entailed(C:E) :-
  101    active_clpcd(C, D),
  102    entailed(D, E).
  103
  104bb_inf(Is, C:Term, Inf) :-
  105    active_clpcd(C, D),
  106    bb_inf(D, Is, Term, Inf, _).
  107
  108bb_inf(Is, C:Term, Inf, Vertex) :-
  109    active_clpcd(C, D),
  110    bb_inf(D, Is, Term, Inf, Vertex).
  111
  112clpcd_nf:nl_invertible(_, F) :-
  113    cd_invertible(F).
  114
  115clpcd_nf:nl_invert(C, F, X, Y, Res) :-
  116    cd_invert(F, C, X, Y, N),
  117    cast_d(C, N, Res).
  118
  119clpcd_nf:nonlin(_, Term, AL, Skel, SL) :-
  120    cd_nonlin(Term, AL, Skel, SL).
  121
  122:- multifile
  123	sandbox:safe_primitive/1.  124
  125sandbox:safe_primitive(clpcd:H) :-
  126    member(H, [{_},
  127               entailed(_),
  128               bb_inf(_, _, _),
  129               bb_inf(_, _, _, _),
  130               maximize(_),
  131               minimize(_),
  132               inf(_,_),
  133               inf(_,_,_,_),
  134               sup(_,_),
  135               sup(_,_,_,_)
  136              ]),
  137    neck