root/library/bdm/base/bdmbase.cpp @ 532

#include "bdmbase.h"

//! Space of basic BDM structures
namespace bdm {

const int RV_BUFFER_STEP = 1;
RVmap RV_MAP;
Array<string> RV_NAMES ( RV_BUFFER_STEP );
ivec RV_SIZES ( RV_BUFFER_STEP );

RV RV0 = RV();

void RV::clear_all() {
        RV_MAP.clear();
        RV_SIZES.clear();
        RV_NAMES = Array<string> ( RV_BUFFER_STEP );
}

int RV::init ( const string &name, int size ) {
        //Refer
        int id;
        RVmap::const_iterator iter = RV_MAP.find ( name );
        if ( iter == RV_MAP.end() ) {
                id = RV_MAP.size() + 1;
                //debug
                /*              {
                                        cout << endl;
                                        RVmap::const_iterator iter = RV_MAP.begin();
                                        for(RVmap::const_iterator iter=RV_MAP.begin(); iter!=RV_MAP.end(); iter++){
                                                cout << "key: " << iter->first << " val: " << iter->second <<endl;
                                        }
                                }*/

                RV_MAP.insert ( make_pair ( name, id ) ); //add new rv
                if ( id >= RV_NAMES.length() ) {
                        RV_NAMES.set_length ( id + RV_BUFFER_STEP, true );
                        RV_SIZES.set_length ( id + RV_BUFFER_STEP, true );
                }
                RV_NAMES ( id ) = name;
                RV_SIZES ( id ) = size;
        } else {
                id = iter->second;
                it_assert ( RV_SIZES ( id ) == size, "RV " + name + " of different size already exists" );
        }
        return id;
};

int RV::countsize() const {
        int tmp = 0;
        for ( int i = 0; i < len; i++ ) {
                tmp += RV_SIZES ( ids ( i ) );
        }
        return tmp;
}

ivec RV::cumsizes() const {
        ivec szs ( len );
        int tmp = 0;
        for ( int i = 0; i < len; i++ ) {
                tmp += RV_SIZES ( ids ( i ) );
                szs ( i ) = tmp;
        }
        return szs;
}

void RV::init ( const Array<std::string> &in_names, const ivec &in_sizes, const ivec &in_times ) {
        len = in_names.length();
        it_assert_debug ( in_names.length() == in_times.length(), "check \"times\" " );
        it_assert_debug ( in_names.length() == in_sizes.length(), "check \"sizes\" " );

        times.set_length ( len );
        ids.set_length ( len );
        int id;
        for ( int i = 0; i < len; i++ ) {
                id = init ( in_names ( i ), in_sizes ( i ) );
                ids ( i ) = id;
        }
        times = in_times;
        dsize = countsize();
}

RV::RV ( string name, int sz, int tm ) {
        Array<string> A ( 1 );
        A ( 0 ) = name;
        init ( A, vec_1 ( sz ), vec_1 ( tm ) );
}

bool RV::add ( const RV &rv2 ) {
        // TODO
        if ( rv2.len > 0 ) { //rv2 is nonempty
                ivec ind = rv2.findself ( *this ); //should be -1 all the time
                ivec index = itpp::find ( ind == -1 );

                if ( index.length() < rv2.len ) { //conflict
                        ids = concat ( ids, rv2.ids ( index ) );
                        times = concat ( times, rv2.times ( index ) );
                } else {
                        ids = concat ( ids, rv2.ids );
                        times = concat ( times, rv2.times );
                }
                len = ids.length();
                dsize = countsize();
                return ( index.length() == rv2.len ); //conflict or not
        } else { //rv2 is empty
                return true; // no conflict
        }
};

RV RV::subselect ( const ivec &ind ) const {
        RV ret;
        ret.ids = ids ( ind );
        ret.times = times ( ind );
        ret.len = ind.length();
        ret.dsize = ret.countsize();
        return ret;
}

RV RV::operator() ( int di1, int di2 ) const {
        ivec sz = cumsizes();
        int i1 = 0;
        while ( sz ( i1 ) < di1 ) i1++;
        int i2 = i1;
        while ( sz ( i2 ) < di2 ) i2++;
        return subselect ( linspace ( i1, i2 ) );
}

void RV::t ( int delta ) {
        times += delta;
}

bool RV::equal ( const RV &rv2 ) const {
        return ( ids == rv2.ids ) && ( times == rv2.times );
}

shared_ptr<mpdf> epdf::condition (const RV &rv) const {
        it_warning ("Not implemented");
        return shared_ptr<mpdf>();
}

shared_ptr<epdf> epdf::marginal (const RV &rv) const {
        it_warning ("Not implemented");
        return shared_ptr<epdf>();
}

mat epdf::sample_m ( int N ) const {
        mat X = zeros ( dim, N );
        for ( int i = 0; i < N; i++ ) X.set_col ( i, this->sample() );
        return X;
}

vec epdf::evallog_m (const mat &Val) const {
        vec x (Val.cols());
        for (int i = 0; i < Val.cols(); i++) {
                x (i) = evallog ( Val.get_col (i) );
        }

        return x;
}

vec epdf::evallog_m (const Array<vec> &Avec) const {
        vec x (Avec.size());
        for (int i = 0; i < Avec.size(); i++) {
                x (i) = evallog ( Avec (i) );
        }

        return x;
}

mat mpdf::samplecond_m (const vec &cond, int N) {
        mat M( dimension(), N );
        for ( int i = 0; i < N; i++ ) {
                M.set_col ( i, samplecond( cond ) );
        }

        return M;
}

void mpdf::from_setting ( const Setting &set ) {
        shared_ptr<RV> r = UI::build<RV> ( set, "rv", UI::optional );
        if ( r ) {
                set_rv ( *r );
        }

        r = UI::build<RV> ( set, "rvc", UI::optional );
        if ( r ) {
                set_rvc ( *r );
        }
}

std::ostream &operator<< ( std::ostream &os, const RV &rv ) {
        int id;
        for ( int i = 0; i < rv.len ; i++ ) {
                id = rv.ids ( i );
                os << id << "(" << RV_SIZES ( id ) << ")" <<  // id(size)=
                "=" << RV_NAMES ( id )  << "_{"  << rv.times ( i ) << "}; "; //name_{time}
        }
        return os;
}

str RV::tostr() const {
        ivec idlist ( dsize );
        ivec tmlist ( dsize );
        int i;
        int pos = 0;
        for ( i = 0; i < len; i++ ) {
                idlist.set_subvector ( pos, pos + size ( i ) - 1, ids ( i ) );
                tmlist.set_subvector ( pos, pos + size ( i ) - 1, times ( i ) );
                pos += size ( i );
        }
        return str ( idlist, tmlist );
}

ivec RV::dataind ( const RV &rv2 ) const {
        ivec res ( 0 );
        if ( rv2._dsize() > 0 ) {
                str str2 = rv2.tostr();
                ivec part;
                int i;
                for ( i = 0; i < len; i++ ) {
                        part = itpp::find ( ( str2.ids == ids ( i ) ) & ( str2.times == times ( i ) ) );
                        res = concat ( res, part );
                }
        }
        it_assert_debug ( res.length() == dsize, "this rv is not fully present in crv!" );
        return res;

}

void RV::dataind ( const RV &rv2, ivec &selfi, ivec &rv2i ) const {
        //clean results
        selfi.set_size ( 0 );
        rv2i.set_size ( 0 );

        // just in case any rv is empty
        if ( ( len == 0 ) || ( rv2.length() == 0 ) ) {
                return;
        }

        //find comon rv
        ivec cids = itpp::find ( this->findself ( rv2 ) >= 0 );

        // index of
        if ( cids.length() > 0 ) {
                str str1 = tostr();
                str str2 = rv2.tostr();

                ivec part1;
                ivec part2;
                int i, j;
                // find common rv in strs
                for ( j = 0; j < cids.length(); j++ ) {
                        i = cids ( j );
                        part1 = itpp::find ( ( str1.ids == ids ( i ) ) & ( str1.times == times ( i ) ) );
                        part2 = itpp::find ( ( str2.ids == ids ( i ) ) & ( str2.times == times ( i ) ) );
                        selfi = concat ( selfi, part1 );
                        rv2i = concat ( rv2i, part2 );
                }
        }
        it_assert_debug ( selfi.length() == rv2i.length(), "this should not happen!" );
}

RV RV::subt ( const RV &rv2 ) const {
        ivec res = this->findself ( rv2 ); // nonzeros
        ivec valid;
        if ( dsize > 0 ) {
                valid = itpp::find ( res == -1 );    //-1 => value not found => it remains
        }
        return ( *this ) ( valid ); //keep those that were not found in rv2
}

ivec RV::findself ( const RV &rv2 ) const {
        int i, j;
        ivec tmp = -ones_i ( len );
        for ( i = 0; i < len; i++ ) {
                for ( j = 0; j < rv2.length(); j++ ) {
                        if ( ( ids ( i ) == rv2.ids ( j ) ) & ( times ( i ) == rv2.times ( j ) ) ) {
                                tmp ( i ) = j;
                                break;
                        }
                }
        }
        return tmp;
}

void RV::from_setting ( const Setting &set ) {
        Array<string> A;
        it_assert ( !A.length(), "default array not empty" );
        UI::get ( A, set, "names" );

        ivec szs;
        if ( !UI::get ( szs, set, "sizes" ) )
                szs = ones_i ( A.length() );

        ivec tms;
        if ( !UI::get ( tms, set, "times" ) )
                tms = zeros_i ( A.length() );

        // TODO tady se bude plnit primo do jeho promennych, a pak se zavola validacnni metoda, takze cele prepsat, ano?
        init ( A, szs, tms );
}

RV concat ( const RV &rv1, const RV &rv2 ) {
        RV pom = rv1;
        pom.add ( rv2 );
        return pom;
}

void mepdf::from_setting ( const Setting &set ) {
        shared_ptr<epdf> e ( UI::build<epdf> ( set, "epdf", UI::compulsory ) );
        iepdf = e;
        set_ep(iepdf.get());
}

RV get_composite_rv ( const Array<shared_ptr<mpdf> > &mpdfs,
                      bool checkoverlap ) {
        RV rv; //empty rv
        bool rvaddok;
        for ( int i = 0; i < mpdfs.length(); i++ ) {
                rvaddok = rv.add ( mpdfs ( i )->_rv() ); //add rv to common rvs.
                // If rvaddok==false, mpdfs overlap => assert error.
                it_assert_debug ( rvaddok || !checkoverlap, "mprod::mprod() input mpdfs overlap in rv!" );
        }

        return rv;
}

void BM::bayesB ( const mat &Data ) {
        for ( int t = 0; t < Data.cols(); t++ ) {
                bayes ( Data.get_col ( t ) );
        }
}
}