Go to the documentation of this file.00001
00002
00003 inline void dgbmatrix::clear()
00004 {VERBOSE_REPORT;
00005 m =0;
00006 n =0;
00007 kl =0;
00008 ku =0;
00009 delete [] array;
00010 array=NULL;
00011 delete [] darray;
00012 darray=NULL;
00013 }
00014
00015
00016
00017
00018 inline dgbmatrix& dgbmatrix::zero()
00019 {VERBOSE_REPORT;
00020 for(long i=0; i<(kl+ku+1)*n; i++){ array[i] =0.0; }
00021 return *this;
00022 }
00023
00024
00025
00026 inline dgbmatrix& dgbmatrix::identity()
00027 {VERBOSE_REPORT;
00028 #ifdef CPPL_DEBUG
00029 if(m!=n){
00030 ERROR_REPORT;
00031 std::cerr << "Only square matrix can be a identity matrix." << std::endl
00032 << "The matrix size was " << m << "x" << n << "." << std::endl;
00033 exit(1);
00034 }
00035 #endif//CPPL_DEBUG
00036
00037 for(long i=0; i<(kl+ku+1)*n; i++){ array[i] =0.0; }
00038 for(long i=0; i<m; i++){ operator()(i,i) =1.0; }
00039 return *this;
00040 }
00041
00042
00043
00044 inline void dgbmatrix::chsign()
00045 {VERBOSE_REPORT;
00046 for(long i=0; i<(kl+ku+1)*n; i++){ array[i] =-array[i]; }
00047 }
00048
00049
00050 inline void dgbmatrix::copy(const dgbmatrix& mat)
00051 {VERBOSE_REPORT;
00052 m =mat.m;
00053 n =mat.n;
00054 kl =mat.kl;
00055 ku =mat.ku;
00056 delete [] array;
00057 array =new double[(mat.kl+mat.ku+1)*mat.n];
00058 delete [] darray;
00059 darray =new double*[n];
00060 for(int i=0; i<n; i++){ darray[i] =&array[i*(kl+ku+1)]; }
00061
00062 dcopy_((mat.kl+mat.ku+1)*mat.n, mat.array, 1, array, 1);
00063 }
00064
00065
00066
00067
00068 inline void dgbmatrix::shallow_copy(const _dgbmatrix& mat)
00069 {VERBOSE_REPORT;
00070 m =mat.m;
00071 n =mat.n;
00072 kl =mat.kl;
00073 ku =mat.ku;
00074 delete [] array;
00075 array =mat.array;
00076 delete [] darray;
00077 darray =mat.darray;
00078
00079 mat.nullify();
00080 }
00081
00082
00083
00084 inline dgbmatrix& dgbmatrix::resize(const long& _m, const long& _n,
00085 const long& _kl, const long& _ku)
00086 {VERBOSE_REPORT;
00087 #ifdef CPPL_DEBUG
00088 if( _m<0 || _n<0 || _kl<0 || _ku<0 || _m<_kl || _n<_ku ){
00089 ERROR_REPORT;
00090 std::cerr << "It is impossible to make a matrix you ordered. " << std::endl
00091 << "Your input was (" << _m << "," << _n << ","<< _ku << "," << _kl << ")." << std::endl;
00092 exit(1);
00093 }
00094 #endif//CPPL_DEBUG
00095
00096 m =_m;
00097 n =_n;
00098 kl =_kl;
00099 ku =_ku;
00100 delete [] array;
00101 array =new double[(kl+ku+1)*n];
00102 delete [] darray;
00103 darray =new double*[n];
00104 for(int i=0; i<n; i++){ darray[i] =&array[i*(kl+ku+1)]; }
00105
00106 return *this;
00107 }
00108
00109
00110
00111
00112
00113
00114
00115 inline _drovector dgbmatrix::row(const long& _m) const
00116 {VERBOSE_REPORT;
00117 #ifdef CPPL_DEBUG
00118 if( _m<0 || _m>m ){
00119 ERROR_REPORT;
00120 std::cerr << "Input row number must be between 0 and " << m << "." << std::endl
00121 << "Your input was " << _m << "." << std::endl;
00122 exit(1);
00123 }
00124 #endif//CPPL_DEBUG
00125
00126 drovector v( drovector(n).zero() );
00127 for(long j=std::max(long(0),_m-kl); j<std::min(n,_m+ku+1); j++){ v(j)=(*this)(_m,j); }
00128 return _(v);
00129 }
00130
00131
00132
00133 inline _dcovector dgbmatrix::col(const long& _n) const
00134 {VERBOSE_REPORT;
00135 #ifdef CPPL_DEBUG
00136 if( _n<0 || _n>n ){
00137 ERROR_REPORT;
00138 std::cerr << "Input row number must be between 0 and " << n << "." << std::endl
00139 << "Your input was " << _n << "." << std::endl;
00140 exit(1);
00141 }
00142 #endif//CPPL_DEBUG
00143
00144 dcovector v( dcovector(m).zero() );
00145 for(long i=std::max(long(0),_n-ku); i<std::min(m,_n+kl+1); i++){ v(i)=(*this)(i,_n); }
00146 return _(v);
00147 }
00148
00149
00150
00151
00152
00153
00154
00155 inline void swap(dgbmatrix& A, dgbmatrix& B)
00156 {VERBOSE_REPORT;
00157 long A_m =A.m, A_n =A.n, A_kl =A.kl, A_ku =A.ku;
00158 double* A_array =A.array;
00159 double** A_darray=A.darray;
00160 A.m=B.m; A.n=B.n; A.kl=B.kl; A.ku=B.ku; A.array=B.array; A.darray=B.darray;
00161 B.m=A_m; B.n=A_n; B.kl=A_kl; B.ku=A_ku; B.array=A_array; B.darray=A_darray;
00162 }
00163
00164
00165
00166 inline _dgbmatrix _(dgbmatrix& mat)
00167 {VERBOSE_REPORT;
00168 _dgbmatrix newmat;
00169
00170
00171 newmat.m =mat.m;
00172 newmat.n =mat.n;
00173 newmat.kl =mat.kl;
00174 newmat.ku =mat.ku;
00175 newmat.array =mat.array;
00176 newmat.darray =mat.darray;
00177
00178
00179 mat.m =0;
00180 mat.n =0;
00181 mat.kl =0;
00182 mat.ku =0;
00183 mat.array =NULL;
00184 mat.darray =NULL;
00185
00186 return newmat;
00187 }