[1325] | 1 | //#---------------------------------------------------------------------------
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| 2 | //# PKSMBrecord.cc: Class to store an MBFITS single-dish data record.
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| 3 | //#---------------------------------------------------------------------------
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| 4 | //# Copyright (C) 2000-2006
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| 5 | //# Mark Calabretta, ATNF
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| 6 | //#
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| 7 | //# This library is free software; you can redistribute it and/or modify it
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| 8 | //# under the terms of the GNU Library General Public License as published by
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| 9 | //# the Free Software Foundation; either version 2 of the License, or (at your
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| 10 | //# option) any later version.
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| 11 | //#
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| 12 | //# This library is distributed in the hope that it will be useful, but WITHOUT
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| 13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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| 15 | //# License for more details.
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| 16 | //#
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| 17 | //# You should have received a copy of the GNU Library General Public License
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| 18 | //# along with this library; if not, write to the Free Software Foundation,
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| 19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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| 20 | //#
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| 21 | //# Correspondence concerning this software should be addressed as follows:
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| 22 | //# Internet email: mcalabre@atnf.csiro.au.
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| 23 | //# Postal address: Dr. Mark Calabretta,
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| 24 | //# Australia Telescope National Facility,
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| 25 | //# P.O. Box 76,
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| 26 | //# Epping, NSW, 2121,
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| 27 | //# AUSTRALIA
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| 28 | //#
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[1453] | 29 | //# $Id$
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[1325] | 30 | //#---------------------------------------------------------------------------
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| 31 | //# The PKSMBrecord class stores an MBFITS single-dish data record.
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| 32 | //#
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| 33 | //# Original: 2000/08/01 Mark Calabretta, ATNF
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| 34 | //#---------------------------------------------------------------------------
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| 35 |
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| 36 | #include <atnf/PKSIO/PKSMBrecord.h>
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| 37 |
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| 38 | #include <string.h>
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| 39 |
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| 40 | //--------------------------------------------------- PKSMBrecord::PKSMBrecord
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| 41 |
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| 42 | // Default constructor.
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| 43 |
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| 44 | PKSMBrecord::PKSMBrecord(int nif)
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| 45 | {
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| 46 | // Construct arrays for the required number of IFs.
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| 47 | cNIF = 0;
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| 48 | setNIFs(nif);
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| 49 |
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| 50 | scanNo = 0;
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| 51 | cycleNo = 0;
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| 52 | beamNo = 0;
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| 53 | raRate = 0.0f;
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| 54 | decRate = 0.0f;
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| 55 | nIF = 0;
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| 56 | }
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| 57 |
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| 58 | //-------------------------------------------------- PKSMBrecord::~PKSMBrecord
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| 59 |
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| 60 | // Destructor.
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| 61 |
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| 62 | PKSMBrecord::~PKSMBrecord()
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| 63 | {
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| 64 | free();
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| 65 | }
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| 66 |
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| 67 | //------------------------------------------------------- PKSMBrecord::setNIFs
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| 68 |
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| 69 | // Expand arrays if necessary to accomodate the required number of IFs; never
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| 70 | // contracts them.
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| 71 |
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| 72 | void PKSMBrecord::setNIFs(int nif)
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| 73 | {
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| 74 | if (nif < 1) return;
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| 75 |
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| 76 | if (cNIF < nif) {
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| 77 | // Too few IFs, free everything.
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| 78 | if (cNIF) free();
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| 79 | }
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| 80 |
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| 81 | if (cNIF == 0) {
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| 82 | IFno = new short[nif];
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| 83 | nChan = new int[nif];
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| 84 | nPol = new int[nif];
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| 85 | fqRefPix = new float[nif];
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| 86 | fqRefVal = new double[nif];
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| 87 | fqDelt = new double[nif];
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| 88 |
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| 89 | tsys = new float[nif][2];
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| 90 | calfctr = new float[nif][2];
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| 91 | xcalfctr = new float[nif][2];
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| 92 | baseLin = new float[nif][2][2];
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| 93 | baseSub = new float[nif][2][9];
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| 94 | spectra = new float*[nif];
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| 95 | flagged = new unsigned char*[nif];
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| 96 | xpol = new float*[nif];
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| 97 | tcal = new float[nif][2];
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| 98 |
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| 99 | cNProd = new int[nif];
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| 100 | cNXPol = new int[nif];
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| 101 |
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| 102 | for (int iIF = 0; iIF < nif; iIF++) {
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| 103 | spectra[iIF] = 0x0;
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| 104 | flagged[iIF] = 0x0;
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| 105 | xpol[iIF] = 0x0;
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| 106 |
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| 107 | cNProd[iIF] = 0;
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| 108 | cNXPol[iIF] = 0;
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| 109 | }
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| 110 |
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| 111 | // The number we can accomodate, may exceed the number we have.
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| 112 | cNIF = nif;
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| 113 | }
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| 114 | }
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| 115 |
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| 116 | //------------------------------------------------------ PKSMBrecord::allocate
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| 117 |
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| 118 | // Ensure there is enough storage for the specified number of spectral
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| 119 | // products (channels x polarizations) for IF with array index iIF (i.e.
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| 120 | // the actual IF number is IFno[iIF]). Expands arrays if necessary but
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| 121 | // never contracts.
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| 122 |
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| 123 | void PKSMBrecord::allocate(
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| 124 | int iIF,
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| 125 | int nprod,
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| 126 | int nxpol)
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| 127 | {
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| 128 | // Don't mess with storage we didn't allocate.
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| 129 | if (cNProd[iIF] || spectra[iIF] == 0x0) {
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| 130 | if (cNProd[iIF] < nprod) {
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| 131 | if (cNProd[iIF]) {
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| 132 | // Free storage previously allocated.
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| 133 | delete [] spectra[iIF];
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| 134 | delete [] flagged[iIF];
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| 135 | }
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| 136 |
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| 137 | // Reallocate data storage.
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| 138 | cNProd[iIF] = nprod;
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| 139 | spectra[iIF] = new float[nprod];
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| 140 | flagged[iIF] = new unsigned char[nprod];
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | if (cNXPol[iIF] || xpol[iIF] == 0x0) {
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| 145 | if (cNXPol[iIF] < nxpol) {
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| 146 | if (cNXPol[iIF]) {
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| 147 | // Free storage previously allocated.
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| 148 | delete [] xpol[iIF];
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| 149 | }
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| 150 |
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| 151 | // Reallocate xpol storage.
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| 152 | cNXPol[iIF] = nxpol;
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| 153 | xpol[iIF] = new float[nxpol];
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| 154 | }
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | //---------------------------------------------------------- PKSMBrecord::free
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| 159 |
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| 160 | // Free all allocated storage.
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| 161 |
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| 162 | void PKSMBrecord::free()
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| 163 | {
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| 164 | if (cNIF) {
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| 165 | for (int iIF = 0; iIF < cNIF; iIF++) {
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| 166 | // Don't free storage we didn't allocate.
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| 167 | if (cNProd[iIF]) {
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| 168 | delete [] spectra[iIF];
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| 169 | delete [] flagged[iIF];
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| 170 | }
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| 171 |
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| 172 | if (cNXPol[iIF]) {
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| 173 | delete [] xpol[iIF];
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| 174 | }
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| 175 | }
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| 176 |
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| 177 | delete [] IFno;
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| 178 | delete [] nChan;
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| 179 | delete [] nPol;
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| 180 | delete [] fqRefPix;
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| 181 | delete [] fqRefVal;
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| 182 | delete [] fqDelt;
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| 183 |
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| 184 | delete [] tsys;
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| 185 | delete [] calfctr;
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| 186 | delete [] xcalfctr;
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| 187 | delete [] baseLin;
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| 188 | delete [] baseSub;
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| 189 |
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| 190 | delete [] spectra;
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| 191 | delete [] flagged;
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| 192 | delete [] xpol;
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| 193 |
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| 194 | delete [] tcal;
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| 195 |
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| 196 | delete [] cNProd;
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| 197 | delete [] cNXPol;
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| 198 |
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| 199 | cNIF = 0;
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| 200 | }
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| 201 | }
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| 202 |
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| 203 | //----------------------------------------------------- PKSMBrecord::operator=
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| 204 |
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| 205 | // Do a deep copy of one PKSMBrecord to another.
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| 206 |
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| 207 | PKSMBrecord &PKSMBrecord::operator=(const PKSMBrecord &other)
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| 208 | {
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| 209 | if (this == &other) {
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| 210 | return *this;
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| 211 | }
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| 212 |
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| 213 | setNIFs(other.nIF);
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| 214 |
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| 215 | scanNo = other.scanNo;
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| 216 | cycleNo = other.cycleNo;
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| 217 | strcpy(datobs, other.datobs);
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| 218 | utc = other.utc;
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| 219 | exposure = other.exposure;
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| 220 | strcpy(srcName, other.srcName);
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| 221 | srcRA = other.srcRA;
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| 222 | srcDec = other.srcDec;
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| 223 | restFreq = other.restFreq;
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| 224 | strcpy(obsType, other.obsType);
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| 225 |
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| 226 | // Beam-dependent parameters.
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| 227 | beamNo = other.beamNo;
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| 228 | ra = other.ra;
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| 229 | dec = other.dec;
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| 230 | raRate = other.raRate;
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| 231 | decRate = other.decRate;
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| 232 |
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| 233 | // IF-dependent parameters.
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| 234 | nIF = other.nIF;
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| 235 | for (int iIF = 0; iIF < nIF; iIF++) {
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| 236 | IFno[iIF] = other.IFno[iIF];
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| 237 | nChan[iIF] = other.nChan[iIF];
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| 238 | nPol[iIF] = other.nPol[iIF];
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| 239 | fqRefPix[iIF] = other.fqRefPix[iIF];
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| 240 | fqRefVal[iIF] = other.fqRefVal[iIF];
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| 241 | fqDelt[iIF] = other.fqDelt[iIF];
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| 242 |
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| 243 | for (int j = 0; j < 2; j++) {
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| 244 | tsys[iIF][j] = other.tsys[iIF][j];
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| 245 | }
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| 246 |
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| 247 | for (int j = 0; j < 2; j++) {
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| 248 | calfctr[iIF][j] = other.calfctr[iIF][j];
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| 249 | xcalfctr[iIF][j] = other.xcalfctr[iIF][j];
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| 250 | }
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| 251 |
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| 252 | haveBase = other.haveBase;
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| 253 | for (int ipol = 0; ipol < nPol[iIF]; ipol++) {
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| 254 | baseLin[iIF][ipol][0] = other.baseLin[iIF][ipol][0];
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| 255 | baseLin[iIF][ipol][1] = other.baseLin[iIF][ipol][1];
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| 256 |
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| 257 | for (int j = 0; j < 9; j++) {
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| 258 | baseSub[iIF][ipol][j] = other.baseSub[iIF][ipol][j];
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| 259 | }
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| 260 | }
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| 261 |
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| 262 | for (int j = 0; j < 2; j++) {
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| 263 | tcal[iIF][j] = other.tcal[iIF][j];
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| 264 | }
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| 265 | }
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| 266 |
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| 267 | haveSpectra = other.haveSpectra;
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| 268 | if (haveSpectra) {
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| 269 | for (int iIF = 0; iIF < nIF; iIF++) {
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| 270 | int nprod = nChan[iIF] * nPol[iIF];
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| 271 | int nxpol = other.xpol[iIF] ? nChan[iIF] * 2 : 0;
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| 272 | allocate(iIF, nprod, nxpol);
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| 273 | }
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| 274 |
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| 275 | // Copy data.
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| 276 | for (int iIF = 0; iIF < nIF; iIF++) {
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| 277 | float *specp = spectra[iIF];
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| 278 | float *ospecp = other.spectra[iIF];
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| 279 | unsigned char *flagp = flagged[iIF];
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| 280 | unsigned char *oflagp = other.flagged[iIF];
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| 281 | for (int j = 0; j < nChan[iIF]*nPol[iIF]; j++) {
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| 282 | *(specp++) = *(ospecp++);
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| 283 | *(flagp++) = *(oflagp++);
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| 284 | }
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| 285 |
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| 286 | if (xpol[iIF]) {
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| 287 | float *xpolp = xpol[iIF];
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| 288 | float *oxpolp = other.xpol[iIF];
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| 289 | for (int j = 0; j < 2*nChan[iIF]; j++) {
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| 290 | *(xpolp++) = *(oxpolp++);
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| 291 | }
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| 292 | }
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| 293 | }
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| 294 | }
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| 295 |
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| 296 | extraSysCal = other.extraSysCal;
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| 297 |
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| 298 | azimuth = other.azimuth;
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| 299 | elevation = other.elevation;
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| 300 | parAngle = other.parAngle;
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| 301 |
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| 302 | focusAxi = other.focusAxi;
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| 303 | focusTan = other.focusTan;
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| 304 | focusRot = other.focusRot;
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| 305 |
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| 306 | temp = other.temp;
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| 307 | pressure = other.pressure;
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| 308 | humidity = other.humidity;
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| 309 |
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| 310 | windSpeed = other.windSpeed;
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| 311 | windAz = other.windAz;
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| 312 |
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| 313 | strcpy(tcalTime, other.tcalTime);
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| 314 |
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| 315 | refBeam = other.refBeam;
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| 316 |
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| 317 | return *this;
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| 318 | }
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| 319 |
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| 320 | //------------------------------------------------------- PKSMBrecord::extract
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| 321 |
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| 322 | // Extract a selected IF from one PKSMBrecord into another.
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| 323 |
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| 324 | int PKSMBrecord::extract(const PKSMBrecord &other, int iIF)
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| 325 | {
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| 326 | if (this == &other) {
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| 327 | return 1;
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| 328 | }
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| 329 |
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| 330 | setNIFs(1);
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| 331 |
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| 332 | scanNo = other.scanNo;
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| 333 | cycleNo = other.cycleNo;
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| 334 | strcpy(datobs, other.datobs);
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| 335 | utc = other.utc;
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| 336 | exposure = other.exposure;
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| 337 | strcpy(srcName, other.srcName);
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| 338 | srcRA = other.srcRA;
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| 339 | srcDec = other.srcDec;
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| 340 | restFreq = other.restFreq;
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| 341 | strcpy(obsType, other.obsType);
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| 342 |
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| 343 | // Beam-dependent parameters.
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| 344 | beamNo = other.beamNo;
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| 345 | ra = other.ra;
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| 346 | dec = other.dec;
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| 347 | raRate = other.raRate;
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| 348 | decRate = other.decRate;
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| 349 |
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| 350 | // IF-dependent parameters.
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| 351 | nIF = 1;
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| 352 | IFno[0] = other.IFno[iIF];
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| 353 | nChan[0] = other.nChan[iIF];
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| 354 | nPol[0] = other.nPol[iIF];
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| 355 | fqRefPix[0] = other.fqRefPix[iIF];
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| 356 | fqRefVal[0] = other.fqRefVal[iIF];
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| 357 | fqDelt[0] = other.fqDelt[iIF];
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| 358 |
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| 359 | for (int j = 0; j < 2; j++) {
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| 360 | tsys[0][j] = other.tsys[iIF][j];
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| 361 | }
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| 362 |
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| 363 | for (int j = 0; j < 2; j++) {
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| 364 | calfctr[0][j] = other.calfctr[iIF][j];
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| 365 | xcalfctr[0][j] = other.xcalfctr[iIF][j];
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| 366 | }
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| 367 |
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| 368 | haveBase = other.haveBase;
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| 369 | for (int ipol = 0; ipol < nPol[0]; ipol++) {
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| 370 | baseLin[0][ipol][0] = other.baseLin[iIF][ipol][0];
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| 371 | baseLin[0][ipol][1] = other.baseLin[iIF][ipol][1];
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| 372 |
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| 373 | for (int j = 0; j < 9; j++) {
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| 374 | baseSub[0][ipol][j] = other.baseSub[iIF][ipol][j];
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| 375 | }
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| 376 | }
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| 377 |
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| 378 | for (int j = 0; j < 2; j++) {
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| 379 | tcal[0][j] = other.tcal[iIF][j];
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| 380 | }
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| 381 |
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| 382 | haveSpectra = other.haveSpectra;
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| 383 | if (haveSpectra) {
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| 384 | int nprod = nChan[0] * nPol[0];
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| 385 | int nxpol = other.xpol[iIF] ? nChan[0] * 2 : 0;
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| 386 | allocate(0, nprod, nxpol);
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| 387 |
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| 388 | // Copy data.
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| 389 | float *specp = spectra[0];
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| 390 | float *ospecp = other.spectra[iIF];
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| 391 | unsigned char *flagp = flagged[0];
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| 392 | unsigned char *oflagp = other.flagged[iIF];
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| 393 | for (int j = 0; j < nChan[0]*nPol[0]; j++) {
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| 394 | *(specp++) = *(ospecp++);
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| 395 | *(flagp++) = *(oflagp++);
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| 396 | }
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| 397 |
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| 398 | if (xpol[0]) {
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| 399 | float *xpolp = xpol[0];
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| 400 | float *oxpolp = other.xpol[iIF];
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| 401 | for (int j = 0; j < 2*nChan[0]; j++) {
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| 402 | *(xpolp++) = *(oxpolp++);
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| 403 | }
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| 404 | }
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| 405 | }
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| 406 |
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| 407 | extraSysCal = other.extraSysCal;
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| 408 |
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| 409 | azimuth = other.azimuth;
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| 410 | elevation = other.elevation;
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| 411 | parAngle = other.parAngle;
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| 412 |
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| 413 | focusAxi = other.focusAxi;
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| 414 | focusTan = other.focusTan;
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| 415 | focusRot = other.focusRot;
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| 416 |
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| 417 | temp = other.temp;
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| 418 | pressure = other.pressure;
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| 419 | humidity = other.humidity;
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| 420 |
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| 421 | windSpeed = other.windSpeed;
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| 422 | windAz = other.windAz;
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| 423 |
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| 424 | strcpy(tcalTime, other.tcalTime);
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| 425 |
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| 426 | refBeam = other.refBeam;
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| 427 |
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| 428 | return 0;
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| 429 | }
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