Lapack++
sytrmd.h
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00001 //      LAPACK++ (V. 1.1)
00002 //      (C) 1992-1996 All Rights Reserved.
00003 
00004 
00005 #include "arch.h"
00006 #ifndef _LA_SYMM_TRIDIAG_MAT_DOUBLE_H_
00007 #define _LA_SYMM_TRIDIAG_MAT_DOUBLE_H_
00008 
00009 #include LA_VECTOR_DOUBLE_H
00010 
00011 class DLLIMPORT LaSymmTridiagMatDouble
00012 {
00013     int size_;
00014     LaVectorDouble d_;          /* main diag */
00015     LaVectorDouble dl_;         /* lower diag */
00016     static double outofbounds_; /* return this address, when addresing
00017                                         out of bounds */
00018     static int debug_;        // print debug info.
00019     static int *info_;        // print matrix info only, not values
00020     //   originally 0, set to 1, and then
00021     //   reset to 0 after use.
00022 
00023 public:
00024 
00025     // constructors / destructor
00026 
00027     inline LaSymmTridiagMatDouble();
00028     inline LaSymmTridiagMatDouble(int N);
00029     inline LaSymmTridiagMatDouble(const LaSymmTridiagMatDouble &);
00030     inline ~LaSymmTridiagMatDouble();
00031 
00032     // operators and member functions
00033 
00034     double& operator()(int i, int j);
00035     double operator()(int i, int j) const;
00036     LaVectorDouble diag(int); /* 0 main, -1 lower, 1 upper */
00037     LaVectorDouble diag(int) const;
00038     inline LaSymmTridiagMatDouble& ref(LaSymmTridiagMatDouble&);
00039     inline LaSymmTridiagMatDouble& copy(const LaSymmTridiagMatDouble&);
00040     inline const LaSymmTridiagMatDouble& info() const
00041     {
00042         int *t = info_;
00043         *t = 1;
00044         return *this;
00045     };
00046     inline int debug() const      // return debug flag.
00047     {
00048         return debug_;
00049     }
00050     inline int size() const;
00051 
00052 
00053 
00054     friend DLLIMPORT std::ostream& operator<<(std::ostream&, const LaSymmTridiagMatDouble&);
00055 
00056 
00057 };
00058 
00059 DLLIMPORT std::ostream& operator<<(std::ostream& s, const LaSymmTridiagMatDouble& td);
00060 
00061 // constructors
00062 
00063 inline LaSymmTridiagMatDouble::LaSymmTridiagMatDouble():
00064     d_(), dl_()
00065 {
00066     size_ = 0;
00067 }
00068 
00069 inline LaSymmTridiagMatDouble::LaSymmTridiagMatDouble(int N):
00070     d_(N), dl_(N - 1)
00071 {
00072     size_ = N;
00073 }
00074 
00075 inline LaSymmTridiagMatDouble::LaSymmTridiagMatDouble(const LaSymmTridiagMatDouble& td): d_(td.d_), dl_(td.dl_)
00076 {
00077     size_ = td.size_;
00078 }
00079 
00080 // destructor
00081 
00082 inline LaSymmTridiagMatDouble::~LaSymmTridiagMatDouble()
00083 {
00084 }
00085 
00086 
00087 // operators and member functions
00088 
00089 
00090 
00091 inline LaSymmTridiagMatDouble& LaSymmTridiagMatDouble::ref(LaSymmTridiagMatDouble&T)
00092 {
00093     d_.ref(T.d_);
00094     dl_.ref(T.dl_);
00095     size_ = T.size_;
00096 
00097     return *this;
00098 }
00099 
00100 
00101 inline LaSymmTridiagMatDouble& LaSymmTridiagMatDouble::copy(const LaSymmTridiagMatDouble&T)
00102 {
00103     d_.copy(T.d_);
00104     dl_.copy(T.dl_);
00105     size_ = T.size_;
00106 
00107     return *this;
00108 }
00109 
00110 inline int LaSymmTridiagMatDouble::size() const
00111 {
00112     return size_;
00113 }
00114 
00115 
00116 
00117 #endif
00118 // _LA_SYMM_TRIDIAG_MAT_DOUBLE_H_