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// $Id: Constituent.cc 2641 2007-09-02 21:31:02Z flaterco $
// Constituent: All that which pertains to a specific constituent
// from a station viewpoint: speed, equilibrium arguments, node
// factors, amplitude, and phase.
/*
Copyright (C) 2006 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "common.hh"
void Constituent::checkValid (Year year) const {
if (year < _firstValidYear || year > _lastValidYear) {
Dstr details ("The years supported by the harmonics file are ");
details += _firstValidYear.val();
details += " through ";
details += _lastValidYear.val();
details += ".\n";
details += "The offending year was ";
details += year.val();
details += ".\n";
Global::barf (Error::YEAR_NOT_IN_TABLE, details);
}
}
const Year Constituent::firstValidYear() const {
return _firstValidYear;
}
const Year Constituent::lastValidYear() const {
return _lastValidYear;
}
const Angle Constituent::arg (Year year) const {
checkValid (year);
return args[year.val()-_firstValidYear.val()];
}
const double Constituent::nod (Year year) const {
checkValid (year);
return nods[year.val()-_firstValidYear.val()];
}
Constituent::Constituent (double speed_degreesPerHour,
int32_t startYear,
uint32_t numberOfYears,
const float *args_degrees,
const float *nodes,
Amplitude amplitude_,
float phase_degrees):
speed(speed_degreesPerHour),
amplitude(amplitude_),
phase(Units::degrees, -phase_degrees),
args(numberOfYears),
nods(numberOfYears),
_firstValidYear(startYear),
_lastValidYear(startYear+numberOfYears-1) {
assert (_lastValidYear >= _firstValidYear);
for (unsigned looper=0; looper<numberOfYears; ++looper) {
args[looper] = Angle (Units::degrees, args_degrees[looper]);
nods[looper] = nodes[looper];
}
}
// Cleanup2006 Done
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