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_drovector-_dsymatrix.hpp
1 //=============================================================================
3 inline _drovector operator*(const _drovector& vec, const _dsymatrix& mat)
4 {
5 #ifdef CPPL_VERBOSE
6  std::cerr << "# [MARK] operator*(const _drovector&, const _dsymatrix&)"
7  << std::endl;
8 #endif//CPPL_VERBOSE
9 
10 #ifdef CPPL_DEBUG
11  if(vec.L!=mat.N){
12  std::cerr << "[ERROR] operator*(const drovector&, const _dsymatrix&)"
13  << std::endl
14  << "These vector and matrix can not make a product."
15  << std::endl
16  << "Your input was (" << vec.L << ") * ("
17  << mat.N << "x" << mat.N << ")." << std::endl;
18  exit(1);
19  }
20 #endif//CPPL_DEBUG
21 
22  drovector newvec(mat.N);
23  dsymv_( 'L', mat.N, 1.0, mat.Array, mat.N,
24  vec.Array, 1, 0.0, newvec.array, 1 );
25 
26  vec.destroy();
27  mat.destroy();
28  return _(newvec);
29 }
void destroy() const
Definition: _dsymatrix-misc.hpp:3
double * Array
1D Array to store vector data
Definition: _drovector.hpp:8
void destroy() const
Definition: _drovector-misc.hpp:3
double * Array
1D Array to store matrix data
Definition: _dsymatrix.hpp:8
Real Double-precision Row Vector Class.
Definition: drovector.hpp:3
(DO NOT USE) Smart-temporary Real Double-precision Row Vector Class
Definition: _drovector.hpp:3
friend _drovector operator*(const drovector &, const dgematrix &)
Definition: drovector-dgematrix.hpp:3
long N
matrix column or row size
Definition: _dsymatrix.hpp:7
(DO NOT USE) Smart-temporary Real Double-precision Symmetric Matrix Class
Definition: _dsymatrix.hpp:3
long L
vector size
Definition: _drovector.hpp:7