[37] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# MathUtilities.h: General math operations |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2004 |
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[125] | 5 | //# ATNF |
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[37] | 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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[1033] | 29 | //# $Id: MathUtils.h 1757 2010-06-09 09:03:06Z KanaSugimoto $ |
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[37] | 30 | //#--------------------------------------------------------------------------- |
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[125] | 31 | #ifndef MATHUTILS_H |
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| 32 | #define MATHUTILS_H |
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[37] | 33 | |
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[465] | 34 | #include <string> |
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| 35 | #include <vector> |
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[81] | 36 | #include <casa/aips.h> |
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| 37 | #include <casa/Arrays/Vector.h> |
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[465] | 38 | #include <casa/BasicSL/String.h> |
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[1514] | 39 | #include <casa/Arrays/IPosition.h> |
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[37] | 40 | |
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[125] | 41 | namespace mathutil { |
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| 42 | |
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[176] | 43 | // Hanning smoothing |
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[861] | 44 | /** |
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| 45 | * Hanning smooth a masked vector |
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| 46 | * @param out the smoothed vector |
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| 47 | * @param outmask the smoothed mask |
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| 48 | * @param in the input vector |
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| 49 | * @param mask the input mask |
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| 50 | * @param relaxed a weighting scheme |
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| 51 | * @param ignoreOther drop every second channel (NYI) |
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| 52 | */ |
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[1757] | 53 | void hanning(casa::Vector<casa::Float>& out, |
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[1325] | 54 | casa::Vector<casa::Bool>& outmask, |
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[1757] | 55 | const casa::Vector<casa::Float>& in, |
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[1325] | 56 | const casa::Vector<casa::Bool>& mask, |
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[1033] | 57 | casa::Bool relaxed=casa::False, |
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| 58 | casa::Bool ignoreOther=casa::False); |
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[37] | 59 | |
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[1373] | 60 | /** |
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| 61 | * Apply a running median to a masked vector. |
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[1757] | 62 | * Edge solution: The first and last hwidth channels will be replicated |
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[1373] | 63 | * from the first/last value from a full window. |
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| 64 | * @param out the smoothed vector |
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| 65 | * @param outmask the smoothed mask |
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| 66 | * @param in the input vector |
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| 67 | * @param mask the input mask |
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| 68 | * @param hwidth half-width of the smoothing window |
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| 69 | */ |
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[1757] | 70 | void runningMedian(casa::Vector<casa::Float>& out, |
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| 71 | casa::Vector<casa::Bool>& outflag, |
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| 72 | const casa::Vector<casa::Float>& in, |
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| 73 | const casa::Vector<casa::Bool>& flag, |
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| 74 | float hwidth); |
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| 75 | |
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| 76 | void polyfit(casa::Vector<casa::Float>& out, |
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[1373] | 77 | casa::Vector<casa::Bool>& outmask, |
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[1757] | 78 | const casa::Vector<casa::Float>& in, |
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[1373] | 79 | const casa::Vector<casa::Bool>& mask, |
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[1757] | 80 | float hwidth, int order); |
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[1373] | 81 | |
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[176] | 82 | // Generate specified statistic |
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[829] | 83 | float statistics(const casa::String& which, |
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[1033] | 84 | const casa::MaskedArray<casa::Float>& data); |
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[176] | 85 | |
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[1514] | 86 | // Return a position of min or max value |
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| 87 | casa::IPosition minMaxPos(const casa::String& which, |
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| 88 | const casa::MaskedArray<casa::Float>& data); |
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| 89 | |
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[176] | 90 | // Replace masked value by zero |
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[829] | 91 | void replaceMaskByZero(casa::Vector<casa::Float>& data, |
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[1033] | 92 | const casa::Vector<casa::Bool>& mask); |
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[452] | 93 | |
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[861] | 94 | /** |
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[1603] | 95 | * Convert casa implementations to stl |
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| 96 | * @param in casa string |
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| 97 | * @return a std vector of std strings |
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[861] | 98 | */ |
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[465] | 99 | std::vector<std::string> tovectorstring(const casa::Vector<casa::String>& in); |
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[452] | 100 | |
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[861] | 101 | /** |
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[1603] | 102 | * convert stl implementations to casa versions |
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[861] | 103 | * @param in |
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| 104 | * @return |
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| 105 | */ |
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[465] | 106 | casa::Vector<casa::String> toVectorString(const std::vector<std::string>& in); |
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| 107 | |
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[1030] | 108 | } |
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[125] | 109 | |
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[37] | 110 | #endif |
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