| 1 | //#---------------------------------------------------------------------------
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| 2 | //# SDMath.h: A collection of single dish mathematical operations
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| 3 | //#---------------------------------------------------------------------------
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| 4 | //# Copyright (C) 2004
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| 5 | //# ATNF
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| 6 | //#
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| 7 | //# This program is free software; you can redistribute it and/or modify it
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| 8 | //# under the terms of the GNU General Public License as published by the Free
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| 9 | //# Software Foundation; either version 2 of the License, or (at your option)
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| 10 | //# any later version.
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| 11 | //#
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| 12 | //# This program is distributed in the hope that it will be useful, but
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| 13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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| 15 | //# Public License for more details.
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| 16 | //#
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| 17 | //# You should have received a copy of the GNU General Public License along
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| 18 | //# with this program; if not, write to the Free Software Foundation, Inc.,
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| 19 | //# 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: Malte.Marquarding@csiro.au
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| 23 | //# Postal address: Malte Marquarding,
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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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| 29 | //# $Id:
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| 30 | //#---------------------------------------------------------------------------
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| 31 | #ifndef SDMATH_H
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| 32 | #define SDMATH_H
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| 33 |
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| 34 | #include <string>
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| 35 | #include <vector>
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| 36 | #include <casa/aips.h>
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| 37 | #include <casa/Utilities/CountedPtr.h>
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| 38 |
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| 39 | namespace asap {
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| 40 |
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| 41 | class SDMemTable;
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| 42 |
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| 43 | namespace SDMath {
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| 44 | //public:
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| 45 | casa::CountedPtr<SDMemTable> quotient(const casa::CountedPtr<SDMemTable>& on,
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| 46 | const casa::CountedPtr<SDMemTable>& off);
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| 47 | //
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| 48 | void multiplyInSitu(SDMemTable* in, casa::Float factor);
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| 49 | casa::CountedPtr<SDMemTable> multiply(const casa::CountedPtr<SDMemTable>& in,
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| 50 | casa::Float factor);
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| 51 | //
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| 52 | casa::CountedPtr<SDMemTable> add(const casa::CountedPtr<SDMemTable>& in,
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| 53 | casa::Float offset);
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| 54 |
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| 55 | casa::CountedPtr<SDMemTable> hanning(const casa::CountedPtr<SDMemTable>& in);
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| 56 |
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| 57 | casa::CountedPtr<SDMemTable>
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| 58 | average (const casa::Block<casa::CountedPtr<SDMemTable> >& in,
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| 59 | const casa::Vector<casa::Bool>& mask,
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| 60 | bool scanAverage, const std::string& weightStr);
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| 61 |
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| 62 | casa::CountedPtr<SDMemTable>
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| 63 | averagePol(const casa::CountedPtr<SDMemTable>& in, const casa::Vector<casa::Bool>& mask);
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| 64 |
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| 65 | std::vector<float> statistic(const casa::CountedPtr<SDMemTable>& in,
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| 66 | const std::vector<bool>& mask, const std::string& which);
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| 67 |
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| 68 | casa::CountedPtr<SDMemTable> bin(const casa::CountedPtr<SDMemTable>& in,
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| 69 | casa::Int width);
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| 70 |
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| 71 | // private (not actually...)
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| 72 |
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| 73 | enum weightType {NONE,VAR,TSYS};
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| 74 |
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| 75 | void accumulate (casa::Double& timeSum, casa::Double& intSum, casa::Int& nAccum,
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| 76 | casa::MaskedArray<casa::Float>& sum, casa::Array<casa::Float>& sumSq,
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| 77 | casa::Array<casa::Float>& nPts, casa::Array<casa::Float>& tSysSum,
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| 78 | const casa::Array<casa::Float>& tSys, const casa::Array<casa::Float>& nInc,
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| 79 | const casa::Vector<casa::Bool>& mask, casa::Double time, casa::Double interval,
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| 80 | const casa::Block<casa::CountedPtr<SDMemTable> >& in,
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| 81 | casa::uInt iTab, casa::uInt iRow, casa::uInt axis, casa::uInt nAxesSub,
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| 82 | casa::Bool useMask, weightType wtType);
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| 83 |
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| 84 | void fillSDC (SDContainer& sc, const casa::Array<casa::Bool>& mask,
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| 85 | const casa::Array<casa::Float>& data,
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| 86 | const casa::Array<casa::Float>& tSys,
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| 87 | casa::Int scanID, casa::Double timeStamp,
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| 88 | casa::Double interval, const casa::String& sourceName,
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| 89 | const casa::Vector<casa::uInt>& freqID);
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| 90 |
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| 91 | SDMemTable* localMultiply (const SDMemTable& in, casa::Float factor);
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| 92 |
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| 93 | void normalize (casa::MaskedArray<casa::Float>& data,
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| 94 | const casa::Array<casa::Float>& sumSq,
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| 95 | const casa::Array<casa::Float>& nPts,
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| 96 | weightType wtType, casa::Int axis, casa::Int nAxes);
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| 97 | };
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| 98 |
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| 99 | } // namespace
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| 100 |
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| 101 | #endif
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| 102 |
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| 103 |
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| 104 |
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| 105 |
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| 106 |
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