Go to the documentation of this file.00001
00002
00003 inline _dgematrix operator+(const dgbmatrix& matA, const _dgematrix& matB)
00004 {VERBOSE_REPORT;
00005 #ifdef CPPL_DEBUG
00006 if(matA.n!=matB.n || matA.m!=matB.m){
00007 ERROR_REPORT;
00008 std::cerr << "These two matrises can not make a summation." << std::endl
00009 << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
00010 exit(1);
00011 }
00012 #endif//CPPL_DEBUG
00013
00014 for(long i=0; i<matA.m; i++){
00015 for(long j=std::max(long(0),i-matA.kl); j<std::min(matA.n,i+matA.ku+1); j++){
00016 matB(i,j)+=matA(i,j);
00017 }
00018 }
00019
00020 return matB;
00021 }
00022
00023
00024
00025 inline _dgematrix operator-(const dgbmatrix& matA, const _dgematrix& matB)
00026 {VERBOSE_REPORT;
00027 #ifdef CPPL_DEBUG
00028 if(matA.n!=matB.n || matA.m!=matB.m){
00029 ERROR_REPORT;
00030 std::cerr << "These two matrises can not make a summation." << std::endl
00031 << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
00032 exit(1);
00033 }
00034 #endif//CPPL_DEBUG
00035
00036
00037 for(long i=0; i<matB.m*matB.n; i++){
00038 matB.array[i]=-matB.array[i];
00039 }
00040
00041
00042 for(long i=0; i<matA.m; i++){
00043 for(long j=std::max(long(0),i-matA.kl); j<std::min(matA.n,i+matA.ku+1); j++){
00044 matB(i,j) +=matA(i,j);
00045 }
00046 }
00047
00048 return matB;
00049 }
00050
00051
00052
00053 inline _dgematrix operator*(const dgbmatrix& matA, const _dgematrix& matB)
00054 {VERBOSE_REPORT;
00055 #ifdef CPPL_DEBUG
00056 if(matA.n!=matB.m){
00057 ERROR_REPORT;
00058 std::cerr << "These two matrises can not make a product." << std::endl
00059 << "Your input was (" << matA.m << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
00060 exit(1);
00061 }
00062 #endif//CPPL_DEBUG
00063
00064 dgematrix newmat( matA.m, matB.n );
00065 newmat.zero();
00066
00067 for(long i=0; i<newmat.m; i++){
00068 for(long j=0; j<newmat.n; j++){
00069 for(long k=std::max(long(0),i-matA.kl); k<std::min(matA.n,i+matA.ku+1); k++){
00070 newmat(i,j)+=matA(i,k)*matB(k,j);
00071 }
00072 }
00073 }
00074
00075 matB.destroy();
00076 return _(newmat);
00077 }