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// $Id: TabulatedConstituent.cc,v 1.4 2002/12/23 18:53:56 flaterco Exp $
// TabulatedConstituent: definition of a constituent that uses tabulated
// equilibrium arguments and node factors.
/*
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"
TabulatedConstituent::Argfac::Argfac () {
arg = Radians (0.0);
nod = 1.0;
}
TabulatedConstituent::Argfac::Argfac (Angle in_arg, double in_nod) {
arg = in_arg;
nod = in_nod;
}
TabulatedConstituent::TabulatedConstituent () {
myname = "Anonymous";
myspeed = DegreesPerHour (0.0);
myargfacs = NULL;
}
TabulatedConstituent::TabulatedConstituent (Dstr &in_name) {
myname = in_name;
myspeed = DegreesPerHour (0.0);
myargfacs = NULL;
}
TabulatedConstituent &
TabulatedConstituent::operator= (Constituent &in_con) {
if (myargfacs)
delete [] myargfacs;
myname = in_con.name();
myspeed = in_con.speed();
myfirstvalidyear = in_con.firstvalidyear();
mylastvalidyear = in_con.lastvalidyear();
nargs = mylastvalidyear.val() - myfirstvalidyear.val() + 1;
assert (myargfacs = new Argfac [nargs]);
for (unsigned looper=0; looper<nargs; looper++) {
Year ty (myfirstvalidyear + looper);
myargfacs[looper].arg = in_con.arg(ty);
myargfacs[looper].nod = in_con.nod(ty);
}
return (*this);
}
// Workaround for funky overload resolution problem.
TabulatedConstituent &
TabulatedConstituent::operator= (TabulatedConstituent &in_con) {
(*this) = *((Constituent*)&in_con); // You forth me to use forth!
return (*this);
}
void
TabulatedConstituent::speed (Speed in_speed) {
myspeed = in_speed;
}
// This should be redundant -- workaround for bug in
// Sun WorkShop Compiler C++ SPARC Version 5.000
// Error: Could not find a match for TabulatedConstituent::speed(DegreesPerHour).
/*
void
TabulatedConstituent::speed (DegreesPerHour in_speed) {
myspeed = in_speed;
}
*/
Speed TabulatedConstituent::speed () {
return myspeed;
}
Year
TabulatedConstituent::firstvalidyear() {
return myfirstvalidyear;
}
Year
TabulatedConstituent::lastvalidyear() {
return mylastvalidyear;
}
void
TabulatedConstituent::check_valid (Year in_year) {
if (in_year < myfirstvalidyear ||
in_year > mylastvalidyear) {
Dstr details ("The years supported by the harmonics file are ");
details += (int)myfirstvalidyear.val();
details += " through ";
details += (int)mylastvalidyear.val();
details += ".\n";
details += "The offending year was ";
details += (int)in_year.val();
details += ".\n";
barf (YEAR_NOT_IN_TABLE, details);
}
}
Angle
TabulatedConstituent::arg (Year in_year) {
check_valid (in_year);
assert (myargfacs);
return myargfacs[in_year.val()-myfirstvalidyear.val()].arg;
}
double
TabulatedConstituent::nod (Year in_year) {
check_valid (in_year);
assert (myargfacs);
return myargfacs[in_year.val()-myfirstvalidyear.val()].nod;
}
void TabulatedConstituent::readboth (int i, Year first_year, Year last_year)
{
assert (!myargfacs);
assert (last_year >= first_year);
nargs = last_year.val() - first_year.val() + 1;
assert (myargfacs = new Argfac [nargs]);
myfirstvalidyear = first_year;
mylastvalidyear = last_year;
for (unsigned looper=0; looper<nargs; looper++) {
myargfacs[looper].arg =
Degrees(get_equilibrium (i, looper));
myargfacs[looper].nod = get_node_factor (i, looper);
}
}
TabulatedConstituent::~TabulatedConstituent() {
if (myargfacs)
delete [] myargfacs;
}
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