ROOT_528-00b_version: math/mathcore/src/TComplex.cxx Source File

00001 // @(#)root/mathcore:$Id: TComplex.cxx 25110 2008-08-11 06:09:50Z brun $
00002 // Author: Federico Carminati   22/04/2004
00003 
00004 /*************************************************************************
00005  * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers.               *
00006  * All rights reserved.                                                  *
00007  *                                                                       *
00008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
00009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
00010  *************************************************************************/
00011 
00012 //////////////////////////////////////////////////////////////////////////
00013 //                                                                      //
00014 // TComplex                                                             //
00015 //                                                                      //
00016 //////////////////////////////////////////////////////////////////////////
00017 
00018 #include "TComplex.h"
00019 #include "Riostream.h"
00020 
00021 
00022 ClassImp(TComplex)
00023 
00024 //______________________________________________________________________________
00025 TComplex::TComplex(Double_t re, Double_t im, Bool_t polar) : fRe(re), fIm(im)
00026 {
00027    // Standard constructor
00028 
00029    if (polar) {
00030       if(re<0) {
00031          ::Warning("TComplex::ctor","Modulo of a complex number should be >=0, taking the abs");
00032          re=-re;
00033       }
00034       fRe=re*TMath::Cos(im);
00035       fIm=re*TMath::Sin(im);
00036    }
00037 }
00038 
00039 //______________________________________________________________________________
00040 ostream& operator<<(ostream& out, const TComplex& c)
00041 {
00042    out << "(" << c.fRe << "," << c.fIm << "i)";
00043    return out;
00044 }
00045 
00046 //______________________________________________________________________________
00047 istream& operator>>(istream& in, TComplex& c)
00048 {
00049    in >> c.fRe >> c.fIm;
00050    return in;
00051 }