/usr/include/casacore/measures/Measures/MeasTableMul.h is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 | //# MeasTableMul.h: Nutation multiplication coefficient for MeasTable
//# Copyright (C) 1995-1999,2000-2004
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//#
//# $Id: MeasTable.h 21420 2014-03-19 09:18:51Z gervandiepen $
#ifndef MEASURES_MEASTABLEMUL_H
#define MEASURES_MEASTABLEMUL_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/scimath/Functionals/Polynomial.h>
#include <casacore/casa/Arrays/Matrix.h>
#include <casacore/casa/OS/Mutex.h>
#include <vector>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Forward Declarations
class RotMatrix;
class Euler;
// <summary>
// MeasTableMul provides thread-safe access to time-dependent multiplier matrices
// </summary>
// <use visibility=local>
// <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="tMeasMath" demos="">
// </reviewed>
// <synopsis>
// MeasTableMul is a helper class for MeasTable to provide thread-safe
// access to the various multiplier matrices for nutation, aberration, and
// solar position. These matrices are dependent on the epoch.
//
// It is an abstract base class for specific derived classes dealing with
// the various effects. This base class provides a cache to keep the matrices
// for various epochs alive. The idea is that a program will process epochs
// in order, where multiple threads can handle different epochs.
// <br>When the cache is full, the least recently used entry is replaced by
// the new matrix.
//
// The cache does not hold <src>Matrix</src> objects themselves, but a
// <src>CountedPtr<Matrix></src> to avoid that in one thread a Matrix is
// removed from the cache, while another thread is still using that Matrix.
// This assumes that CountedPtr is compiled thread-safe.
//
// The class provides two virtual functions.
// <ul>
// <li> <src>init</src> is called on the first access and makes it possible
// for the derived class to precompute some variables. In particular,
// <src>itsDefMatrix</src> should be filled with default values.
// <li> <src>calc</src> is called on each access and should return the
// matrix valid for the given epoch. Prior to calling this function,
// the class will copy <src>itsDefMatrix</src> to the result which
// also defines the shape of the result.
// Note that this function is only called if the matrix for the given
// epoch is not in the cache.
// </ul>
// </synopsis>
//
// <example>
// Class MeasTable shows how it is used.
// </example>
class MeasTableMul
{
public:
MeasTableMul();
virtual ~MeasTableMul() {}
void clear();
CountedPtr<Matrix<Double> > getArray (Double time, Double epsilon);
virtual void init() = 0;
virtual void calc(Matrix<Double>&, Double time) = 0;
protected:
Mutex itsMutex;
Int64 itsLastUsed;
vector<Int64> itsUsed;
vector<Double> itsTimes;
vector<CountedPtr<Matrix<Double> > > itsArrays;
Matrix<Double> itsDefArray;
};
// <summary>
// Base class for standard and B1950 nutation multipliers.
// </summary>
class MeasTableMulSCBase: public MeasTableMul
{
public:
MeasTableMulSCBase();
protected:
void doInit(Matrix<Double>& result,
Polynomial<Double> poly[],
Int nrowTD, const Long coeffTD[][5],
Int nrowSC, const Short coeffSC[][2]);
void doCalc(Matrix<Double>& result, Double time,
const Polynomial<Double> poly[],
Int nrowTD, const Long coeffTD[][5]);
};
// <summary>
// Class calculating the standard nutation multipliers.
// </summary>
class MeasTableMulSC: public MeasTableMulSCBase
{
public:
MeasTableMulSC();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[2*15];
static const Long theirMULTD[15][5];
static const Short theirMULSC[106][2];
};
// <summary>
// Class calculating the B1950 nutation multipliers.
// </summary>
class MeasTableMulSC1950: public MeasTableMulSCBase
{
public:
MeasTableMulSC1950();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[2*13];
static const Long theirMULTD[13][5];
static const Short theirMULSC[69][2];
};
// <summary>
// Base class for J2000 nutation multipliers.
// </summary>
class MeasTableMulSC2000Base: public MeasTableMul
{
public:
MeasTableMulSC2000Base();
protected:
void doInit(Matrix<Double>& result,
Polynomial<Double> poly[],
Int nrowSC, const Long coeffSC[][6]);
void doCalc(Matrix<Double>& result, Double time,
const Polynomial<Double> poly[],
Int nrowSC);
};
// <summary>
// Class calculating the J2000A nutation multipliers.
// </summary>
class MeasTableMulSC2000A: public MeasTableMulSC2000Base
{
public:
MeasTableMulSC2000A();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[2*678];
static const Long theirMULSC[678][6];
};
// <summary>
// Class calculating the J2000B nutation multipliers.
// </summary>
class MeasTableMulSC2000B: public MeasTableMulSC2000Base
{
public:
MeasTableMulSC2000B();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[2*77];
static const Long theirMULSC[77][6];
};
// <summary>
// Class calculating the standard aberration multipliers.
// </summary>
class MeasTableMulAber: public MeasTableMul
{
public:
MeasTableMulAber();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[18];
static const Long theirMABERTD[3][18];
static const Short theirMABER[80][6];
};
// <summary>
// Class calculating the B1950 aberration multipliers.
// </summary>
class MeasTableMulAber1950: public MeasTableMul
{
public:
MeasTableMulAber1950();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
Polynomial<Double> itsPoly[18];
double itsFactor; //# AU/d
static const Short theirMABER[130][6];
static const Short theirABERT1T[10];
static const Short theirABERT2T[2];
static const Short theirABERT3T[1];
static const Double theirABERSPEC[2][6];
};
// <summary>
// Class calculating the XY solar position multipliers.
// </summary>
class MeasTableMulPosSunXY: public MeasTableMul
{
public:
MeasTableMulPosSunXY();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
static const Double theirMPOSXY[98][4];
};
// <summary>
// Class calculating the Z solar position multipliers.
// </summary>
class MeasTableMulPosSunZ: public MeasTableMul
{
public:
MeasTableMulPosSunZ();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
static const Double theirMPOSZ[29][2];
};
// <summary>
// Class calculating the XY earth position multipliers.
// </summary>
class MeasTableMulPosEarthXY: public MeasTableMul
{
public:
MeasTableMulPosEarthXY();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
static const Double theirMPOSXY[189][4];
};
// <summary>
// Class calculating the Z earth position multipliers.
// </summary>
class MeasTableMulPosEarthZ: public MeasTableMul
{
public:
MeasTableMulPosEarthZ();
virtual void init();
virtual void calc(Matrix<Double>&, Double time);
private:
static const Double theirMPOSZ[32][2];
};
} //# end namespace
#endif
|