File: Offsets.cc

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// $Id: Offsets.cc,v 1.2 2002/10/04 13:44:00 flaterco Exp $
// Offsets:  storage for tide offsets.

/*
    Copyright (C) 1998  David Flater.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "common.hh"

void LevelOffset::levelMultiply (double in_mult) {
  assert (in_mult > 0.0);
  mylevelMultiply = in_mult;
}

double LevelOffset::levelMultiply () const {
  return mylevelMultiply;
};

LevelOffset::LevelOffset () {
  mylevelMultiply = 1.0;
}

int
SimpleOffsets::is_simple() {
  return 1;
}

int
HairyOffsets::is_simple() {
  return 0;
}

SimpleOffsets::SimpleOffsets () {
  mylevelMultiply = 1.0;
};

SimpleOffsets::SimpleOffsets (const CombinedOffset &co_in) {
  levelAdd = co_in.levelAdd;
  mylevelMultiply = co_in.levelMultiply();
  timeAdd = co_in.timeAdd;
}

int operator== (CombinedOffset a, CombinedOffset b) {
  if (a.timeAdd == b.timeAdd &&
      a.levelMultiply() == b.levelMultiply() &&
      a.levelAdd == b.levelAdd)
    return 1;
  return 0;
}

#if 0
ostream &operator<< (ostream &out, Offsets *o) {
  if (!o) {
    out << "{null offsets}";
  } else {
    if (o->is_simple()) {
      SimpleOffsets *s = (SimpleOffsets *)o;
      out << "{" << s->timeAdd << "," << s->levelMultiply()
	   << "," << s->levelAdd << "}";
    } else {
      HairyOffsets *h = (HairyOffsets *)o;
      out << "{max";
      out << "{" << h->max.timeAdd << "," << h->max.levelMultiply()
	   << "," << h->max.levelAdd << "}";
      out << ",min";
      out << "{" << h->min.timeAdd << "," << h->min.levelMultiply()
	   << "," << h->min.levelAdd << "}";
      out << ",flood " << h->floodbegins.timeAdd;
      out << ", ebb " << h->ebbbegins.timeAdd;
      out << "}";
    }
  }
  return out;
}
#endif

HairyOffsets::HairyOffsets () {
  // This space intentionally left blank.
}

HairyOffsets::HairyOffsets (const SimpleOffsets &s_in) {
  max = min = s_in;
  floodbegins.timeAdd = ebbbegins.timeAdd = s_in.timeAdd;
}