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/*********************************************************[naivevalueheuristics.cc]
Copyright (c) 2007, Universite d'Orleans - Jeremie Vautard, Marco Benedetti,
Arnaud Lallouet.

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#include "NaiveValueHeuristics.hh"

int** SmallestValueFirst::subSet(Implicative* home,int var,int* nbRanges) {
    int zeValue = getVar(home,whichSpaceOwns(home,var),var)->min();
    *nbRanges = 1;
    int** ret = new int*[2];
    ret[0]=new int[1];
    ret[1]=new int[1];
    ret[0][0]=zeValue;
    ret[1][0]=zeValue;
    return ret;
}

int** LargestValueFirst::subSet(Implicative* home,int var,int* nbRanges) {
    int zeValue = getVar(home,whichSpaceOwns(home,var),var)->max();
    *nbRanges = 1;
    int** ret = new int*[2];
    ret[0]=new int[1];
    ret[1]=new int[1];
    ret[0][0]=zeValue;
    ret[1][0]=zeValue;
    return ret;
}

int** MedianValueFirst::subSet(Implicative* home,int var,int* nbRanges) {
    int zeValue = getVar(home,whichSpaceOwns(home,var),var)->med();
    *nbRanges = 1;
    int** ret = new int*[2];
    ret[0]=new int[1];
    ret[1]=new int[1];
    ret[0][0]=zeValue;
    ret[1][0]=zeValue;
    return ret;
}

int** SmallestHalfFirst::subSet(Implicative* home,int var,int* nbRanges) {
    int zeMin = getVar(home,whichSpaceOwns(home,var),var)->min();
    int zeMax = getVar(home,whichSpaceOwns(home,var),var)->med();
    int varMax = getVar(home,whichSpaceOwns(home,var),var)->max();
    if (zeMax == varMax) zeMax--;
    *nbRanges = 1;
    int** ret = new int*[2];
    ret[0]=new int[1];
    ret[1]=new int[1];
    ret[0][0]=zeMin;
    ret[1][0]=zeMax;
    return ret;
}

int** LargestHalfFirst::subSet(Implicative* home,int var,int* nbRanges) {
    int zeMin = getVar(home,whichSpaceOwns(home,var),var)->med();
    int zeMax = getVar(home,whichSpaceOwns(home,var),var)->max();
    int varMin = getVar(home,whichSpaceOwns(home,var),var)->min();
    if (zeMin == varMin) zeMin++;
    *nbRanges = 1;
    int** ret = new int*[2];
    ret[0]=new int[1];
    ret[1]=new int[1];
    ret[0][0]=zeMin;
    ret[1][0]=zeMax;
    return ret;
}

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