| 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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| 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: MathUtils.h 1033 2006-04-26 03:51:58Z mar637 $ |
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| 30 | //#--------------------------------------------------------------------------- |
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| 31 | #ifndef MATHUTILS_H |
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| 32 | #define MATHUTILS_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/Arrays/Vector.h> |
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| 38 | #include <casa/BasicSL/String.h> |
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| 39 | |
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| 40 | namespace mathutil { |
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| 41 | |
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| 42 | // Hanning smoothing |
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| 43 | /** |
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| 44 | * Hanning smooth a masked vector |
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| 45 | * @param out the smoothed vector |
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| 46 | * @param outmask the smoothed mask |
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| 47 | * @param in the input vector |
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| 48 | * @param mask the input mask |
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| 49 | * @param relaxed a weighting scheme |
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| 50 | * @param ignoreOther drop every second channel (NYI) |
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| 51 | */ |
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| 52 | template <class T> |
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| 53 | void hanning(casa::Vector<T>& out, casa::Vector<casa::Bool>& outmask, |
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| 54 | const casa::Vector<T>& in, const casa::Vector<casa::Bool>& mask, |
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| 55 | casa::Bool relaxed=casa::False, |
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| 56 | casa::Bool ignoreOther=casa::False); |
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| 57 | |
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| 58 | // Generate specified statistic |
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| 59 | float statistics(const casa::String& which, |
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| 60 | const casa::MaskedArray<casa::Float>& data); |
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| 61 | |
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| 62 | // Replace masked value by zero |
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| 63 | void replaceMaskByZero(casa::Vector<casa::Float>& data, |
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| 64 | const casa::Vector<casa::Bool>& mask); |
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| 65 | |
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| 66 | /** |
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| 67 | * Convert a std::vector of std::string |
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| 68 | * to a casa::Vector casa::String |
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| 69 | * @param in |
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| 70 | * @return |
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| 71 | */ |
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| 72 | std::vector<std::string> tovectorstring(const casa::Vector<casa::String>& in); |
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| 73 | |
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| 74 | /** |
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| 75 | * Convert a casa::Vector of casa::String |
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| 76 | * to a stl std::vector of stl std::string |
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| 77 | * @param in |
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| 78 | * @return |
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| 79 | */ |
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| 80 | casa::Vector<casa::String> toVectorString(const std::vector<std::string>& in); |
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| 81 | |
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| 82 | } |
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| 83 | |
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| 84 | #endif |
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