Line data    Source code

       1             : /*
       2             :  * ALMA - Atacama Large Millimeter Array
       3             :  * (c) European Southern Observatory, 2002
       4             :  * (c) Associated Universities Inc., 2002
       5             :  * Copyright by ESO (in the framework of the ALMA collaboration),
       6             :  * Copyright by AUI (in the framework of the ALMA collaboration),
       7             :  * All rights reserved.
       8             :  * 
       9             :  * This library is free software; you can redistribute it and/or
      10             :  * modify it under the terms of the GNU Lesser General Public
      11             :  * License as published by the Free software Foundation; either
      12             :  * version 2.1 of the License, or (at your option) any later version.
      13             :  * 
      14             :  * This library is distributed in the hope that it will be useful,
      15             :  * but WITHOUT ANY WARRANTY, without even the implied warranty of
      16             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17             :  * Lesser General Public License for more details.
      18             :  * 
      19             :  * You should have received a copy of the GNU Lesser General Public
      20             :  * License along with this library; if not, write to the Free Software
      21             :  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
      22             :  * MA 02111-1307  USA
      23             :  *
      24             :  * File Complex.h
      25             :  */
      26             : 
      27             : #ifndef Complex_CLASS
      28             : #define Complex_CLASS
      29             : 
      30             : #include <vector>
      31             : #include <complex>
      32             : #include <iostream>
      33             : #include <string>
      34             : 
      35             : #ifndef WITHOUT_ACS
      36             : #include <asdmIDLTypesC.h>
      37             : #endif
      38             : 
      39             : #include <alma/ASDM/DoubleWrapper.h>
      40             : #include <alma/ASDM/StringTokenizer.h>
      41             : #include <alma/ASDM/NumberFormatException.h>
      42             : 
      43             : #include <alma/ASDM/EndianStream.h>
      44             : 
      45             : namespace asdm {
      46             : 
      47             : /**
      48             :  * The Complex class extends the Complex class in the C++ standard library.
      49             :  * 
      50             :  * @version 1.00 Jan. 7, 2005
      51             :  * @author Allen Farris
      52             :  * @version 1.1 Aug 8, 2006
      53             :  * @author Michel Caillat 
      54             :  * added toBin/fromBin methods.
      55             :  */
      56             : class Complex : public std::complex<double> {
      57             : 
      58             : public:
      59             :         static Complex fromString(const std::string&);
      60             :         static std::string toString(const Complex&);
      61             :         static Complex getComplex(StringTokenizer &t);
      62             : 
      63             :         Complex();                                              // default constructor
      64             :         Complex(const Complex &);                                           // X const X& constructor
      65             :         Complex(const std::string &s);
      66             : #ifndef WITHOUT_ACS
      67             :         Complex(const asdmIDLTypes::IDLComplex &);
      68             : #endif
      69             :         Complex(double re, double im);
      70             : 
      71             :         double getReal() const;
      72             :         double getImg() const;
      73             :         void setReal(double re);
      74             :         void setImg(double im);
      75             : 
      76             :         bool isZero() const;
      77             :         bool equals(const Complex &) const;
      78             : 
      79             :         std::string toString() const;
      80             : #ifndef WITHOUT_ACS
      81             :     asdmIDLTypes::IDLComplex toIDLComplex() const;
      82             : #endif
      83             : 
      84             :         /**
      85             :          * Write the binary representation of this to a EndianOSStream.
      86             :          */             
      87             :         void toBin(EndianOSStream& eoss);
      88             : 
      89             :         /**
      90             :          * Write the binary representation of a vector of Complex to a EndianOSStream.
      91             :          * @param cmplx the vector of Complex to be written
      92             :          * @param eoss the EndianOSStream to be written to
      93             :          */
      94             :         static void toBin(const std::vector<Complex>& cmplx,  EndianOSStream& eoss);
      95             :         
      96             :         /**
      97             :          * Write the binary representation of a vector of vector of Complex to a EndianOSStream.
      98             :          * @param cmplx the vector of vector of Complex to be written
      99             :          * @param eoss the EndianOSStream to be written to
     100             :          */     
     101             :         static void toBin(const std::vector<std::vector<Complex> >& cmplx,  EndianOSStream& eoss);
     102             :         
     103             :         /**
     104             :          * Write the binary representation of a vector of vector of vector of Complex to a EndianOSStream.
     105             :          * @param cmplx the vector of vector of vector of Complex to be written
     106             :          * @param eoss the EndianOSStream to be written to
     107             :          */
     108             :         static void toBin(const std::vector<std::vector<std::vector<Complex> > >& cmplx,  EndianOSStream& eoss);
     109             : 
     110             :         /**
     111             :          * Read the binary representation of an Complex from a EndianIStream
     112             :          * and use the read value to set an  Complex.
     113             :          * @param eis the EndianStream to be read
     114             :          * @return an Complex
     115             :          */
     116             :         static Complex fromBin(EndianIStream& eis);
     117             :         
     118             :         /**
     119             :          * Read the binary representation of  a vector of  Complex from an EndianIStream
     120             :          * and use the read value to set a vector of  Complex.
     121             :          * @param dis the EndianIStream to be read
     122             :          * @return a vector of Complex
     123             :          */      
     124             :          static std::vector<Complex> from1DBin(EndianIStream & eis);
     125             :          
     126             :         /**
     127             :          * Read the binary representation of  a vector of vector of Complex from an EndianIStream
     128             :          * and use the read value to set a vector of  vector of Complex.
     129             :          * @param eiis the EndianIStream to be read
     130             :          * @return a vector of vector of Complex
     131             :          */      
     132             :          static std::vector<std::vector<Complex> > from2DBin(EndianIStream & eis);
     133             :          
     134             :         /**
     135             :          * Read the binary representation of  a vector of vector of vector of Complex from an EndianIStream
     136             :          * and use the read value to set a vector of  vector of vector of Complex.
     137             :          * @param eis the EndianIStream to be read
     138             :          * @return a vector of vector of vector of Complex
     139             :          */      
     140             :          static std::vector<std::vector<std::vector<Complex> > > from3DBin(EndianIStream & eis);   
     141             : 
     142             : };
     143             : 
     144             : // Complex constructors
     145           0 : inline Complex::Complex() : std::complex<double>(0.0,0.0) {
     146           0 : }
     147             : 
     148      973596 : inline Complex::Complex(const Complex &t) : std::complex<double>(t.real(),t.imag()) {
     149      973596 : }
     150             : 
     151           0 : inline Complex::Complex(const std::string &s) : std::complex<double>(Complex::fromString(s)) {
     152           0 : }
     153             : 
     154             : #ifndef WITHOUT_ACS
     155             : inline Complex::Complex(const asdmIDLTypes::IDLComplex &l) : std::complex<double>(l.re,l.im) {
     156             : }
     157             : #endif
     158             : 
     159      226656 : inline Complex::Complex(double r, double i) : std::complex<double>(r,i) {
     160      226656 : }
     161             : 
     162        3584 : inline double Complex::getReal() const {
     163        3584 :         return real();
     164             : }
     165             : 
     166        3584 : inline double Complex::getImg() const {
     167        3584 :         return imag();
     168             : }
     169             : 
     170             : inline void Complex::setReal(double re) {
     171             :         *this = Complex(re,imag());
     172             : }
     173             : 
     174             : inline void Complex::setImg(double im) {
     175             :         *this = Complex(real(),im);
     176             : }
     177             : 
     178             : inline bool Complex::isZero() const {
     179             :         return real() == 0.0 && imag() == 0.0;
     180             : }
     181             : 
     182             : inline bool Complex::equals(const Complex &x) const {
     183             :         return real() == x.real() && imag() == x.imag();
     184             : }
     185             : 
     186             : #ifndef WITHOUT_ACS
     187             : inline asdmIDLTypes::IDLComplex Complex::toIDLComplex() const {
     188             :     asdmIDLTypes::IDLComplex x;
     189             :         x.re = getReal();
     190             :         x.im = getImg();
     191             :         return x;
     192             : }
     193             : #endif
     194             : 
     195        3584 : inline std::string Complex::toString() const {
     196        3584 :         return Double::toString(getReal()) + " " + Double::toString(getImg());
     197             : }
     198             : 
     199             : } // End namespace asdm
     200             : 
     201             : #endif /* Complex_CLASS */