AbstractLinAlgPack: C++ Interfaces For Vectors, Matrices And Related Linear Algebra Objects Version of the Day
AbstractLinAlgPack_AbstractLinAlgOpPack.cpp
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00041 
00042 #include "AbstractLinAlgPack_LinAlgOpPack.hpp"
00043 
00044 // Level 1 BLAS for Matrices
00045 
00046 // M_lhs = op(M_rhs).
00047 
00048 void LinAlgOpPack::assign(MatrixOp* M_lhs, const MatrixOp& M_rhs, BLAS_Cpp::Transp trans_rhs)
00049 {
00050   Mp_M_assert_compatibility( M_lhs, BLAS_Cpp::no_trans, M_rhs, trans_rhs );
00051   M_lhs->zero_out();
00052   Mp_StM(M_lhs,1.0,M_rhs,trans_rhs);
00053 }
00054 
00055 // M_lhs = alpha * op(M_rhs).
00056 
00057 void LinAlgOpPack::M_StM(MatrixOp* M_lhs, value_type alpha, const MatrixOp& M_rhs, BLAS_Cpp::Transp trans_rhs)
00058 {
00059   Mp_M_assert_compatibility( M_lhs, BLAS_Cpp::no_trans, M_rhs, trans_rhs );
00060   M_lhs->zero_out();
00061   Mp_StM(M_lhs,alpha,M_rhs,trans_rhs);
00062 }
00063 
00064 // M_lhs = op(M_rhs1) + op(M_rhs2).
00065 
00066 void LinAlgOpPack::M_MpM(MatrixOp* M_lhs, const MatrixOp& M_rhs1, BLAS_Cpp::Transp trans_rhs1
00067   , const MatrixOp& M_rhs2, BLAS_Cpp::Transp trans_rhs2)
00068 {
00069   Mp_M_assert_compatibility(M_lhs,BLAS_Cpp::no_trans,M_rhs1,trans_rhs1);
00070   MopM_assert_compatibility(M_rhs1,trans_rhs1,M_rhs2,trans_rhs2);
00071   M_lhs->zero_out();
00072   Mp_M(M_lhs,M_rhs1,trans_rhs1);
00073   Mp_M(M_lhs,M_rhs2,trans_rhs2);
00074 }
00075 
00076 // M_lhs = op(M_rhs1) - op(M_rhs2).
00077 
00078 void LinAlgOpPack::M_MmM(MatrixOp* M_lhs, const MatrixOp& M_rhs1, BLAS_Cpp::Transp trans_rhs1
00079   , const MatrixOp& M_rhs2, BLAS_Cpp::Transp trans_rhs2)
00080 {
00081   Mp_M_assert_compatibility(M_lhs,BLAS_Cpp::no_trans,M_rhs1,trans_rhs1);
00082   MopM_assert_compatibility(M_rhs1,trans_rhs1,M_rhs2,trans_rhs2);
00083   M_lhs->zero_out();
00084   Mp_M(M_lhs,M_rhs1,trans_rhs1);
00085   Mp_StM(M_lhs,-1.0,M_rhs2,trans_rhs2);
00086 }
00087 
00088 // M_lhs = alpha * op(M_rhs1) + op(m_rhs2).
00089 
00090 void LinAlgOpPack::M_StMpM(MatrixOp* M_lhs, value_type alpha, const MatrixOp& M_rhs1, BLAS_Cpp::Transp trans_rhs1
00091   , const MatrixOp& M_rhs2, BLAS_Cpp::Transp trans_rhs2)
00092 {
00093   Mp_M_assert_compatibility(M_lhs,BLAS_Cpp::no_trans,M_rhs1,trans_rhs1);
00094   MopM_assert_compatibility(M_rhs1,trans_rhs1,M_rhs2,trans_rhs2);
00095   assign(M_lhs,M_rhs2,trans_rhs2);
00096   Mp_StM(M_lhs,alpha,M_rhs1,trans_rhs1);
00097 }
00098 
00099 // Level 3 BLAS
00100 
00101 // M_lhs = alpha * op(M_rhs1) * op(M_rhs2).
00102 
00103 void LinAlgOpPack::M_StMtM(MatrixOp* M_lhs, value_type alpha, const MatrixOp& M_rhs1
00104   , BLAS_Cpp::Transp trans_rhs1, const MatrixOp& M_rhs2, BLAS_Cpp::Transp trans_rhs2)
00105 {
00106   Mp_MtM_assert_compatibility(M_lhs,BLAS_Cpp::no_trans,M_rhs1,trans_rhs1,M_rhs2,trans_rhs2);
00107   Mp_StMtM(M_lhs,alpha,M_rhs1,trans_rhs1,M_rhs2,trans_rhs2,0.0);
00108 }
00109 
00110 // M_lhs = op(M_rhs1) * op(M_rhs2).
00111 
00112 void LinAlgOpPack::M_MtM(MatrixOp* M_lhs, const MatrixOp& M_rhs1
00113   , BLAS_Cpp::Transp trans_rhs1, const MatrixOp& M_rhs2, BLAS_Cpp::Transp trans_rhs2)
00114 {
00115   Mp_MtM_assert_compatibility(M_lhs,BLAS_Cpp::no_trans,M_rhs1,trans_rhs1,M_rhs2,trans_rhs2);
00116   Mp_StMtM(M_lhs,1.0,M_rhs1,trans_rhs1,M_rhs2,trans_rhs2,0.0);
00117 }
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