SequenceManager.cpp

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#include "SequenceManager.hpp"
#include "VertexSequence.hpp"
#include "UnstructuredElemSeq.hpp"
#include "ScdVertexData.hpp"
#include "MeshSetSequence.hpp"
#include "SweptElementSeq.hpp"
#include "StructuredElementSeq.hpp"
#include "moab/HomXform.hpp"
#include "PolyElementSeq.hpp"
#include "SysUtil.hpp"
#include "moab/Error.hpp"

#include <cassert>
#include <new>
#include <algorithm>

#ifndef NDEBUG
#include <iostream>
#endif

namespace moab
{

const EntityID SequenceManager::DEFAULT_VERTEX_SEQUENCE_SIZE  = 16 * 1024;
const EntityID SequenceManager::DEFAULT_ELEMENT_SEQUENCE_SIZE = DEFAULT_VERTEX_SEQUENCE_SIZE;
const EntityID SequenceManager::DEFAULT_POLY_SEQUENCE_SIZE    = 16 * 1024;
const EntityID SequenceManager::DEFAULT_MESHSET_SEQUENCE_SIZE = DEFAULT_VERTEX_SEQUENCE_SIZE;

const int UNUSED_SIZE = 0;

EntityID SequenceManager::default_poly_sequence_size( int conn_len )
{
    return std::max( DEFAULT_POLY_SEQUENCE_SIZE / conn_len, (EntityID)1 );
}

SequenceManager::~SequenceManager()
{
    // Release variable-length tag data
    for( unsigned i = 0; i < tagSizes.size(); ++i )
        if( tagSizes[i] == MB_VARIABLE_LENGTH ) release_tag_array( 0, i, false );
}

void SequenceManager::clear()
{
    // reset sequence multiplier
    sequence_multiplier = 1.0;

    // Destroy all TypeSequenceManager instances
    for( EntityType t = MBVERTEX; t < MBMAXTYPE; ++t )
        typeData[t].~TypeSequenceManager();

    // Now re-create TypeSequenceManager instances
    for( EntityType t = MBVERTEX; t < MBMAXTYPE; ++t )
        new( typeData + t ) TypeSequenceManager();
}

void SequenceManager::get_entities( Range& entities_out ) const
{
    for( EntityType t = MBENTITYSET; t >= MBVERTEX; --t )
        typeData[t].get_entities( entities_out );
}

void SequenceManager::get_entities( std::vector< EntityHandle >& entities_out ) const
{
    for( EntityType t = MBVERTEX; t != MBMAXTYPE; ++t )
        typeData[t].get_entities( entities_out );
}

EntityID SequenceManager::get_number_entities() const
{
    EntityID sum = 0;
    for( EntityType t = MBVERTEX; t != MBMAXTYPE; ++t )
        sum += typeData[t].get_number_entities();

    return sum;
}

ErrorCode SequenceManager::check_valid_entities( Error* /* error */, const Range& entities ) const
{
    ErrorCode rval;
    Range::const_pair_iterator i;
    for( i = entities.const_pair_begin(); i != entities.const_pair_end(); ++i )
    {
        const EntityType type1 = TYPE_FROM_HANDLE( i->first );
        const EntityType type2 = TYPE_FROM_HANDLE( i->second );
        if( type1 == type2 )
        {
            rval = typeData[type1].check_valid_handles( NULL, i->first, i->second );
            if( MB_SUCCESS != rval ) return rval;
        }
        else
        {
            int junk;
            EntityHandle split = CREATE_HANDLE( type2, 0, junk );
            rval               = typeData[type1].check_valid_handles( NULL, i->first, split - 1 );
            if( MB_SUCCESS != rval ) return rval;
            rval = typeData[type2].check_valid_handles( NULL, split, i->second );
            if( MB_SUCCESS != rval ) return rval;
        }
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::check_valid_entities( Error* /* error_handler */,
                                                 const EntityHandle* entities,
                                                 size_t num_entities,
                                                 bool root_set_okay ) const
{
    ErrorCode rval;
    const EntitySequence* ptr = 0;

    const EntityHandle* const end = entities + num_entities;
    for( ; entities < end; ++entities )
    {
        rval = find( *entities, ptr );
        if( MB_SUCCESS != rval && !( root_set_okay && !*entities ) )
        {
            if( MB_ENTITY_NOT_FOUND == rval )
            {
                // MB_ENTITY_NOT_FOUND could be a non-error condition, do not call MB_SET_ERR on it
#if 0
        fprintf(stderr, "[Warning]: Invalid entity handle: 0x%lx\n", (unsigned long)*entities);
#endif
            }
            return rval;
        }
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::delete_entity( Error* /* error */, EntityHandle entity )
{
    return typeData[TYPE_FROM_HANDLE( entity )].erase( NULL, entity );
}

ErrorCode SequenceManager::delete_entities( Error* /* error */, const Range& entities )
{
    ErrorCode rval = check_valid_entities( NULL, entities );
    if( MB_SUCCESS != rval ) return rval;

    ErrorCode result = MB_SUCCESS;
    Range::const_pair_iterator i;
    for( i = entities.const_pair_begin(); i != entities.const_pair_end(); ++i )
    {
        const EntityType type1 = TYPE_FROM_HANDLE( i->first );
        const EntityType type2 = TYPE_FROM_HANDLE( i->second );
        if( type1 == type2 )
        {
            rval = typeData[type1].erase( NULL, i->first, i->second );
            if( MB_SUCCESS != rval ) return result = rval;
        }
        else
        {
            int junk;
            EntityHandle split = CREATE_HANDLE( type2, 0, junk );
            rval               = typeData[type1].erase( NULL, i->first, split - 1 );
            if( MB_SUCCESS != rval ) return result = rval;
            rval = typeData[type2].erase( NULL, split, i->second );
            if( MB_SUCCESS != rval ) return result = rval;
        }
    }

    return result;
}

ErrorCode SequenceManager::create_vertex( const double coords[3], EntityHandle& handle )
{
    const EntityHandle start = CREATE_HANDLE( MBVERTEX, MB_START_ID );
    const EntityHandle end   = CREATE_HANDLE( MBVERTEX, MB_END_ID );
    bool append;
    TypeSequenceManager::iterator seq = typeData[MBVERTEX].find_free_handle( start, end, append );
    VertexSequence* vseq;

    if( seq == typeData[MBVERTEX].end() )
    {
        SequenceData* seq_data = 0;
        EntityID seq_data_size = 0;
        handle =
            typeData[MBVERTEX].find_free_sequence( DEFAULT_VERTEX_SEQUENCE_SIZE, start, end, seq_data, seq_data_size );
        if( !handle ) return MB_FAILURE;

        if( seq_data )
            vseq = new VertexSequence( handle, 1, seq_data );
        else
            vseq = new VertexSequence( handle, 1, DEFAULT_VERTEX_SEQUENCE_SIZE );

        ErrorCode rval = typeData[MBVERTEX].insert_sequence( vseq );
        if( MB_SUCCESS != rval )
        {
            SequenceData* vdata = vseq->data();
            delete vseq;
            if( !seq_data ) delete vdata;

            return rval;
        }
    }
    else
    {
        vseq = reinterpret_cast< VertexSequence* >( *seq );
        if( append )
        {
            vseq->push_back( 1 );
            handle = vseq->end_handle();
            typeData[MBVERTEX].notify_appended( seq );
        }
        else
        {
            vseq->push_front( 1 );
            handle = vseq->start_handle();
            typeData[MBVERTEX].notify_prepended( seq );
        }
    }

    return vseq->set_coordinates( handle, coords );
}

ErrorCode SequenceManager::create_element( EntityType type,
                                           const EntityHandle* conn,
                                           unsigned conn_len,
                                           EntityHandle& handle )
{
    if( type <= MBVERTEX || type >= MBENTITYSET ) return MB_TYPE_OUT_OF_RANGE;

    const EntityHandle start = CREATE_HANDLE( type, MB_START_ID );
    const EntityHandle end   = CREATE_HANDLE( type, MB_END_ID );
    bool append;
    TypeSequenceManager::iterator seq = typeData[type].find_free_handle( start, end, append, conn_len );
    UnstructuredElemSeq* eseq;

    if( seq == typeData[type].end() )
    {
        SequenceData* seq_data = 0;
        unsigned size          = DEFAULT_ELEMENT_SEQUENCE_SIZE;
        if( type == MBPOLYGON || type == MBPOLYHEDRON )
        {
            size = default_poly_sequence_size( conn_len );
        }
        EntityID seq_data_size = 0;
        handle = typeData[type].find_free_sequence( size, start, end, seq_data, seq_data_size, conn_len );
        if( !handle ) return MB_FAILURE;

        if( MBPOLYGON == type || MBPOLYHEDRON == type )
        {
            if( seq_data )
                eseq = new PolyElementSeq( handle, 1, conn_len, seq_data );
            else
                eseq = new PolyElementSeq( handle, 1, conn_len, size );
        }
        else
        {
            if( seq_data )
                eseq = new UnstructuredElemSeq( handle, 1, conn_len, seq_data );
            else
                eseq = new UnstructuredElemSeq( handle, 1, conn_len, size );
        }

        ErrorCode rval = typeData[type].insert_sequence( eseq );
        if( MB_SUCCESS != rval )
        {
            SequenceData* vdata = eseq->data();
            delete eseq;
            if( !seq_data ) delete vdata;

            return rval;
        }
    }
    else
    {
        eseq = reinterpret_cast< UnstructuredElemSeq* >( *seq );
        if( append )
        {
            eseq->push_back( 1 );
            handle = eseq->end_handle();
            typeData[type].notify_appended( seq );
        }
        else
        {
            eseq->push_front( 1 );
            handle = eseq->start_handle();
            typeData[type].notify_prepended( seq );
        }
    }

    return eseq->set_connectivity( handle, conn, conn_len );
}

ErrorCode SequenceManager::create_mesh_set( unsigned flags, EntityHandle& handle )
{
    const EntityHandle start = CREATE_HANDLE( MBENTITYSET, MB_START_ID );
    const EntityHandle end   = CREATE_HANDLE( MBENTITYSET, MB_END_ID );
    bool append;
    TypeSequenceManager::iterator seq = typeData[MBENTITYSET].find_free_handle( start, end, append );
    MeshSetSequence* msseq;

    if( seq == typeData[MBENTITYSET].end() )
    {
        SequenceData* seq_data = 0;
        EntityID seq_data_size = 0;
        handle = typeData[MBENTITYSET].find_free_sequence( DEFAULT_MESHSET_SEQUENCE_SIZE, start, end, seq_data,
                                                           seq_data_size );
        if( !handle ) return MB_FAILURE;

        if( seq_data )
            msseq = new MeshSetSequence( handle, 1, flags, seq_data );
        else
            msseq = new MeshSetSequence( handle, 1, flags, DEFAULT_MESHSET_SEQUENCE_SIZE );

        ErrorCode rval = typeData[MBENTITYSET].insert_sequence( msseq );
        if( MB_SUCCESS != rval )
        {
            SequenceData* vdata = msseq->data();
            delete msseq;
            if( !seq_data ) delete vdata;

            return rval;
        }
    }
    else
    {
        msseq = reinterpret_cast< MeshSetSequence* >( *seq );
        if( append )
        {
            msseq->push_back( 1, &flags );
            handle = msseq->end_handle();
            typeData[MBENTITYSET].notify_appended( seq );
        }
        else
        {
            msseq->push_front( 1, &flags );
            handle = msseq->start_handle();
            typeData[MBENTITYSET].notify_prepended( seq );
        }
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::allocate_mesh_set( EntityHandle handle, unsigned flags )
{
    SequenceData* data = 0;
    TypeSequenceManager::iterator seqptr;
    EntityHandle block_start = 1, block_end = 0;
    ErrorCode rval = typeData[MBENTITYSET].is_free_handle( handle, seqptr, data, block_start, block_end );
    if( MB_SUCCESS != rval ) return rval;

    MeshSetSequence* seq;
    if( seqptr != typeData[MBENTITYSET].end() )
    {
        seq = static_cast< MeshSetSequence* >( *seqptr );
        if( seq->start_handle() - 1 == handle )
        {
            rval = seq->push_front( 1, &flags );
            if( MB_SUCCESS == rval )
            {
                rval = typeData[MBENTITYSET].notify_prepended( seqptr );
                if( MB_SUCCESS != rval ) seq->pop_front( 1 );
            }
            return rval;
        }
        else if( seq->end_handle() + 1 == handle )
        {
            rval = seq->push_back( 1, &flags );
            if( MB_SUCCESS == rval )
            {
                rval = typeData[MBENTITYSET].notify_appended( seqptr );
                if( MB_SUCCESS != rval ) seq->pop_back( 1 );
            }
            return rval;
        }
        else
            return MB_FAILURE;  // Should be unreachable
    }
    else
    {
        if( data )
        {
            seq = new MeshSetSequence( handle, 1, flags, data );
        }
        else
        {
            assert( handle >= block_start && handle <= block_end );
            trim_sequence_block( handle, block_end, DEFAULT_MESHSET_SEQUENCE_SIZE );
            seq = new MeshSetSequence( handle, 1, flags, block_end - handle + 1 );
        }

        rval = typeData[MBENTITYSET].insert_sequence( seq );
        if( MB_SUCCESS != rval )
        {
            SequenceData* vdata = seq->data();
            delete seq;
            if( !data ) delete vdata;
            return rval;
        }

        return MB_SUCCESS;
    }
}

void SequenceManager::trim_sequence_block( EntityHandle start_handle, EntityHandle& end_handle, unsigned max_size )
{
    assert( end_handle >= start_handle );
    assert( (int)max_size > 0 );  // Cast to int also prohibits some ridiculously large values

    // If input range is larger than preferred size, trim it
    if( end_handle - start_handle >= max_size ) end_handle = start_handle + max_size - 1;
}

EntityHandle SequenceManager::sequence_start_handle( EntityType type,
                                                     EntityID count,
                                                     int size,
                                                     EntityID start,
                                                     SequenceData*& data,
                                                     EntityID& data_size )
{
    TypeSequenceManager& tsm = typeData[type];
    data                     = 0;
    EntityHandle handle      = CREATE_HANDLE( type, start );
    if( start < MB_START_ID || !tsm.is_free_sequence( handle, count, data, size ) )
    {
        EntityHandle pstart = CREATE_HANDLE( type, MB_START_ID );
        EntityHandle pend   = CREATE_HANDLE( type, MB_END_ID );
        handle              = tsm.find_free_sequence( count, pstart, pend, data, data_size, size );
    }

    return handle;
}

EntityID SequenceManager::new_sequence_size( EntityHandle start, EntityID requested_size, int sequence_size ) const
{

    requested_size = (EntityID)( this->sequence_multiplier * requested_size );

    if( sequence_size < (int)requested_size ) return requested_size;

    EntityHandle last = typeData[TYPE_FROM_HANDLE( start )].last_free_handle( start );
    if( !last )
    {
        assert( false );
        return 0;
    }

    EntityID available_size = last - start + 1;
    if( sequence_size < available_size )
        return sequence_size;
    else
        return available_size;
}

ErrorCode SequenceManager::create_entity_sequence( EntityType type,
                                                   EntityID count,
                                                   int size,
                                                   EntityID start,
                                                   EntityHandle& handle,
                                                   EntitySequence*& sequence,
                                                   int sequence_size )
{
    SequenceData* data = NULL;
    EntityID data_size = 0;
    handle             = sequence_start_handle( type, count, size, start, data, data_size );

    if( !handle ) return MB_MEMORY_ALLOCATION_FAILED;

    switch( type )
    {
        case MBENTITYSET:
        case MBMAXTYPE:
            return MB_TYPE_OUT_OF_RANGE;

        case MBVERTEX:
            if( size != 0 ) return MB_INDEX_OUT_OF_RANGE;

            if( data )
                sequence = new VertexSequence( handle, count, data );
            else
            {
                if( !data_size ) data_size = new_sequence_size( handle, count, sequence_size );
                sequence = new VertexSequence( handle, count, data_size );
            }
            break;

        case MBPOLYGON:
        case MBPOLYHEDRON:
            if( size == 0 ) return MB_INDEX_OUT_OF_RANGE;

            if( data )
                sequence = new PolyElementSeq( handle, count, size, data );
            else
            {
                if( !data_size )
                    data_size = new_sequence_size(
                        handle, count, ( -1 == sequence_size ? default_poly_sequence_size( size ) : sequence_size ) );
                sequence = new PolyElementSeq( handle, count, size, data_size );
            }
            break;

        default:
            if( size == 0 ) return MB_INDEX_OUT_OF_RANGE;

            if( data )
                sequence = new UnstructuredElemSeq( handle, count, size, data );
            else
            {
                if( !data_size ) data_size = new_sequence_size( handle, count, sequence_size );
                sequence = new UnstructuredElemSeq( handle, count, size, data_size );
            }
            // tjt calling new_sequence_size 'cuz don't have a sequence data;
            // start 41467, count 246
            break;
    }

    ErrorCode result = typeData[type].insert_sequence( sequence );
    if( MB_SUCCESS != result )
    {
        // Change to NULL if had an existing data or if no existing data,
        // change to the new data created
        data = data ? 0 : sequence->data();
        delete sequence;
        delete data;
        return result;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::create_meshset_sequence( EntityID count,
                                                    EntityID start,
                                                    const unsigned* flags,
                                                    EntityHandle& handle,
                                                    EntitySequence*& sequence )
{
    SequenceData* data = 0;
    EntityID data_size = 0;
    handle             = sequence_start_handle( MBENTITYSET, count, 0, start, data, data_size );

    if( !handle ) return MB_MEMORY_ALLOCATION_FAILED;

    if( data )
        sequence = new MeshSetSequence( handle, count, flags, data );
    else
        sequence = new MeshSetSequence( handle, count, flags, count );

    ErrorCode result = typeData[MBENTITYSET].insert_sequence( sequence );
    if( MB_SUCCESS != result )
    {
        // Change to NULL if had an existing data or if no existing data,
        // change to the new data created
        data = data ? 0 : sequence->data();
        delete sequence;
        delete data;
        return result;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::create_meshset_sequence( EntityID count,
                                                    EntityID start,
                                                    unsigned flags,
                                                    EntityHandle& handle,
                                                    EntitySequence*& sequence )
{
    SequenceData* data = 0;
    EntityID data_size = 0;
    handle             = sequence_start_handle( MBENTITYSET, count, 0, start, data, data_size );
    if( !handle ) return MB_MEMORY_ALLOCATION_FAILED;

    if( data )
        sequence = new MeshSetSequence( handle, count, flags, data );
    else
        sequence = new MeshSetSequence( handle, count, flags, count );

    ErrorCode result = typeData[MBENTITYSET].insert_sequence( sequence );
    if( MB_SUCCESS != result )
    {
        // Change to NULL if had an existing data or if no existing data,
        // change to the new data created
        data = data ? 0 : sequence->data();
        delete sequence;
        delete data;
        return result;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::create_scd_sequence( int imin,
                                                int jmin,
                                                int kmin,
                                                int imax,
                                                int jmax,
                                                int kmax,
                                                EntityType type,
                                                EntityID start_id_hint,
                                                EntityHandle& handle,
                                                EntitySequence*& sequence,
                                                int* is_periodic )
{
    int this_dim = CN::Dimension( type );

    // Use > instead of != in the following assert to also catch cases where imin > imax, etc.
    assert( ( this_dim < 3 || kmax > kmin ) && ( this_dim < 2 || jmax > jmin ) && ( this_dim < 1 || imax > imin ) );

    // Compute # entities; not as easy as it would appear...
    EntityID num_ent;
    if( MBVERTEX == type )
        num_ent = (EntityID)( imax - imin + 1 ) * (EntityID)( jmax - jmin + 1 ) * (EntityID)( kmax - kmin + 1 );
    else
    {
        num_ent = ( imax - imin + ( is_periodic && is_periodic[0] ? 1 : 0 ) ) *
                  ( this_dim >= 2 ? ( jmax - jmin + ( is_periodic && is_periodic[1] ? 1 : 0 ) ) : 1 ) *
                  ( this_dim >= 3 ? ( kmax - kmin ) : 1 );
    }

    if( MBVERTEX == type && ( is_periodic && ( is_periodic[0] || is_periodic[1] ) ) ) return MB_FAILURE;

    // Get a start handle
    SequenceData* data = 0;
    EntityID data_size = 0;
    handle             = sequence_start_handle( type, num_ent, -1, start_id_hint, data, data_size );

    if( !handle ) return MB_MEMORY_ALLOCATION_FAILED;
    assert( !data );

    switch( type )
    {
        case MBVERTEX:
            data     = new ScdVertexData( handle, imin, jmin, kmin, imax, jmax, kmax );
            sequence = new VertexSequence( handle, data->size(), data );
            break;
        case MBEDGE:
        case MBQUAD:
        case MBHEX:
            sequence = new StructuredElementSeq( handle, imin, jmin, kmin, imax, jmax, kmax, is_periodic );
            break;
        default:
            return MB_TYPE_OUT_OF_RANGE;
    }

    ErrorCode result = typeData[type].insert_sequence( sequence );
    if( MB_SUCCESS != result )
    {
        data = sequence->data();
        delete sequence;
        delete data;
        return result;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::create_scd_sequence( const HomCoord& coord_min,
                                                const HomCoord& coord_max,
                                                EntityType type,
                                                EntityID start_id_hint,
                                                EntityHandle& first_handle_out,
                                                EntitySequence*& sequence_out,
                                                int* is_periodic )
{
    return create_scd_sequence( coord_min.i(), coord_min.j(), coord_min.k(), coord_max.i(), coord_max.j(),
                                coord_max.k(), type, start_id_hint, first_handle_out, sequence_out, is_periodic );
}

ErrorCode SequenceManager::create_sweep_sequence( int imin,
                                                  int jmin,
                                                  int kmin,
                                                  int imax,
                                                  int jmax,
                                                  int kmax,
                                                  int* Cq,
                                                  EntityType type,
                                                  EntityID start_id_hint,
                                                  EntityHandle& handle,
                                                  EntitySequence*& sequence )
{
    int this_dim = CN::Dimension( type );

    assert( ( this_dim < 3 || kmax > kmin ) && ( this_dim < 2 || jmax > jmin ) && ( this_dim < 1 || imax > imin ) );

    EntityID num_ent;
    if( MBVERTEX == type )
        num_ent = (EntityID)( imax - imin + 1 ) * (EntityID)( jmax - jmin + 1 ) * (EntityID)( kmax - kmin + 1 );
    else
    {
        num_ent = ( imax - imin ) * ( this_dim >= 2 ? ( jmax - jmin ) : 1 ) * ( this_dim >= 3 ? ( kmax - kmin ) : 1 );
    }

    // Get a start handle
    SequenceData* data = 0;
    EntityID data_size = 0;
    handle             = sequence_start_handle( type, num_ent, -1, start_id_hint, data, data_size );

    if( !handle ) return MB_MEMORY_ALLOCATION_FAILED;
    assert( !data );

    switch( type )
    {
        case MBVERTEX:
            data     = new ScdVertexData( handle, imin, jmin, kmin, imax, jmax, kmax );
            sequence = new VertexSequence( handle, data->size(), data );
            break;
        case MBEDGE:
        case MBQUAD:
        case MBHEX:
            sequence = new SweptElementSeq( handle, imin, jmin, kmin, imax, jmax, kmax, Cq );
            break;
        default:
            return MB_TYPE_OUT_OF_RANGE;
    }

    ErrorCode result = typeData[type].insert_sequence( sequence );
    if( MB_SUCCESS != result )
    {
        data = sequence->data();
        delete sequence;
        delete data;
        return result;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::create_sweep_sequence( const HomCoord& coord_min,
                                                  const HomCoord& coord_max,
                                                  int* Cq,
                                                  EntityType type,
                                                  EntityID start_id_hint,
                                                  EntityHandle& first_handle_out,
                                                  EntitySequence*& sequence_out )
{
    return create_sweep_sequence( coord_min.i(), coord_min.j(), coord_min.k(), coord_max.i(), coord_max.j(),
                                  coord_max.k(), Cq, type, start_id_hint, first_handle_out, sequence_out );
}

ErrorCode SequenceManager::add_vsequence( EntitySequence* vert_seq,
                                          EntitySequence* elem_seq,
                                          const HomCoord& p1,
                                          const HomCoord& q1,
                                          const HomCoord& p2,
                                          const HomCoord& q2,
                                          const HomCoord& p3,
                                          const HomCoord& q3,
                                          bool bb_input,
                                          const HomCoord* bb_min,
                                          const HomCoord* bb_max )
{
    // Check first that they're structured vtx/elem sequences
    ScdVertexData* scd_vd = dynamic_cast< ScdVertexData* >( vert_seq->data() );
    if( !scd_vd ) return MB_FAILURE;

    ScdElementData* scd_ed = dynamic_cast< ScdElementData* >( elem_seq->data() );
    if( !scd_ed ) return MB_FAILURE;

    if( bb_min && bb_max )
        return scd_ed->add_vsequence( scd_vd, p1, q1, p2, q2, p3, q3, bb_input, *bb_min, *bb_max );
    else
        return scd_ed->add_vsequence( scd_vd, p1, q1, p2, q2, p3, q3, bb_input, HomCoord::unitv[0],
                                      HomCoord::unitv[0] );
}

ErrorCode SequenceManager::replace_subsequence( EntitySequence* new_seq )
{
    const EntityType type = TYPE_FROM_HANDLE( new_seq->start_handle() );
    return typeData[type].replace_subsequence( new_seq, &tagSizes[0], tagSizes.size() );
}

void SequenceManager::get_memory_use( unsigned long long& total_entity_storage,
                                      unsigned long long& total_storage ) const

{
    total_entity_storage = 0;
    total_storage        = 0;
    unsigned long long temp_entity, temp_total;
    for( EntityType i = MBVERTEX; i < MBMAXTYPE; ++i )
    {
        temp_entity = temp_total = 0;
        get_memory_use( i, temp_entity, temp_total );
        total_entity_storage += temp_entity;
        total_storage += temp_total;
    }
}

void SequenceManager::get_memory_use( EntityType type,
                                      unsigned long long& total_entity_storage,
                                      unsigned long long& total_storage ) const
{
    typeData[type].get_memory_use( total_entity_storage, total_storage );
}

void SequenceManager::get_memory_use( const Range& entities,
                                      unsigned long long& total_entity_storage,
                                      unsigned long long& total_amortized_storage ) const
{
    total_entity_storage    = 0;
    total_amortized_storage = 0;
    unsigned long long temp_entity, temp_total;
    Range::const_pair_iterator i;
    for( i = entities.const_pair_begin(); i != entities.const_pair_end(); ++i )
    {
        const EntityType t1 = TYPE_FROM_HANDLE( i->first );
        const EntityType t2 = TYPE_FROM_HANDLE( i->second );
        if( t1 == t2 )
        {
            temp_entity = temp_total = 0;
            typeData[t1].get_memory_use( i->first, i->second, temp_entity, temp_total );
            total_entity_storage += temp_entity;
            total_amortized_storage += temp_total;
        }
        else
        {
            int junk;

            temp_entity = temp_total = 0;
            typeData[t1].get_memory_use( i->first, CREATE_HANDLE( t1, MB_END_ID, junk ), temp_entity, temp_total );
            total_entity_storage += temp_entity;
            total_amortized_storage += temp_total;

            temp_entity = temp_total = 0;
            typeData[t2].get_memory_use( CREATE_HANDLE( t2, MB_START_ID, junk ), i->second, temp_entity, temp_total );
            total_entity_storage += temp_entity;
            total_amortized_storage += temp_total;
        }
    }
}

ErrorCode SequenceManager::reserve_tag_array( Error* /* error_handler */, int size, int& index )
{
    if( size < 1 && size != MB_VARIABLE_LENGTH )
    {
        MB_SET_ERR( MB_INVALID_SIZE, "Invalid tag size: " << size );
    }

    std::vector< int >::iterator i = std::find( tagSizes.begin(), tagSizes.end(), UNUSED_SIZE );
    if( i == tagSizes.end() )
    {
        index = tagSizes.size();
        tagSizes.push_back( size );
    }
    else
    {
        index = i - tagSizes.begin();
        *i    = size;
    }

    return MB_SUCCESS;
}

ErrorCode SequenceManager::release_tag_array( Error* /* error_handler */, int index, bool release_id )
{
    if( (unsigned)index >= tagSizes.size() || UNUSED_SIZE == tagSizes[index] )
    {
        // MB_TAG_NOT_FOUND could be a non-error condition, do not call MB_SET_ERR on it
#if 0
    fprintf(stderr, "[Warning]: Invalid dense tag index: %d\n", index);
#endif
        return MB_TAG_NOT_FOUND;
    }

    for( EntityType t = MBVERTEX; t <= MBENTITYSET; ++t )
    {
        TypeSequenceManager& seqs = entity_map( t );
        for( TypeSequenceManager::iterator i = seqs.begin(); i != seqs.end(); ++i )
            ( *i )->data()->release_tag_data( index, tagSizes[index] );
    }

    if( release_id ) tagSizes[index] = UNUSED_SIZE;

    return MB_SUCCESS;
}

// These are meant to be called from the debugger (not declared in any header)
// so leave them out of release builds (-DNDEBUG).
#ifndef NDEBUG

std::ostream& operator<<( std::ostream& s, const TypeSequenceManager& seq_man )
{
    const SequenceData* prev_data = 0;
    for( TypeSequenceManager::const_iterator i = seq_man.begin(); i != seq_man.end(); ++i )
    {
        const EntitySequence* seq = *i;
        if( seq->data() != prev_data )
        {
            prev_data = seq->data();
            s << "SequenceData [" << ID_FROM_HANDLE( seq->data()->start_handle() ) << ","
              << ID_FROM_HANDLE( seq->data()->end_handle() ) << "]" << std::endl;
        }
        s << "  Sequence [" << ID_FROM_HANDLE( seq->start_handle() ) << "," << ID_FROM_HANDLE( seq->end_handle() )
          << "]" << std::endl;
    }

    return s;
}

std::ostream& operator<<( std::ostream& s, const SequenceManager& seq_man )
{
    for( EntityType t = MBVERTEX; t < MBMAXTYPE; ++t )
    {
        if( !seq_man.entity_map( t ).empty() )
            s << std::endl
              << "****************** " << CN::EntityTypeName( t ) << " ******************" << std::endl
              << seq_man.entity_map( t ) << std::endl;
    }

    return s;
}

void print_sequences( const SequenceManager& seqman )
{
    std::cout << seqman << std::endl;
}

void print_sequences( const TypeSequenceManager& seqman )
{
    std::cout << seqman << std::endl;
}

#endif

}  // namespace moab