/*! _drovector*dgbmatrix operator */
inline _drovector operator*(const _drovector& vec, const dgbmatrix& mat)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] operator*(const _drovector&, const dgbmatrix&)"
<< std::endl;
#endif//CPPL_VERBOSE
#ifdef CPPL_DEBUG
if(vec.L!=mat.M){
std::cerr << "[ERROR] operator*(const _drovector&, const dgbmatrix&)"
<< std::endl
<< "These vector and matrix can not make a product."
<< std::endl
<< "Your input was (" << vec.L << ") * ("
<< mat.M << "x" << mat.N << ")." << std::endl;
exit(1);
}
#endif//CPPL_DEBUG
drovector newvec(mat.N);
dgbmv_( 'T', mat.M, mat.N, mat.KL, mat.KU, 1.0,
mat.Array, mat.KL+mat.KU+1, vec.Array, 1, 0.0, newvec.array, 1 );
vec.destroy();
return _(newvec);
}
/*! _dcovector*_drovector operator */
inline _dgematrix operator*(const _dcovector& covec, const _drovector& rovec)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] operator*(const _dcovector&, const _drovector&)"
<< std::endl;
#endif//CPPL_VERBOSE
#ifdef CPPL_DEBUG
if(covec.L!=rovec.L){
std::cerr << "[ERROR] operator*(const dcovector&, const drovector&)"
<< std::endl
<< "These two vectors can not make a product." << std::endl
<< "Your input was (" << covec.L << ") * (" << rovec.L << ")."
<< std::endl;
exit(1);
}
#endif//CPPL_DEBUG
dgematrix newmat(covec.L, covec.L);
for(long i=0; i<newmat.m; i++){
for(long j=0; j<newmat.n; j++){
newmat(i,j) =covec(i)*rovec(j);
}
}
covec.destroy();
rovec.destroy();
return _(newmat);
}
/*! make a shallow copy of the vector\n
This function is not desinged to be used in project codes. */
inline void drovector::shallow_copy(const _drovector& vec)
{VERBOSE_REPORT;
l =vec.l;
cap =vec.cap;
delete [] array;
array =vec.array;
vec.nullify();
}
/*! drovector constructor to cast _drovector */
inline drovector::drovector(const _drovector& vec)
{VERBOSE_REPORT;
//////// initialize ////////
l =vec.l;
cap =vec.cap;
array =vec.array;
vec.nullify();
}
/*! return its largest absolute value */
inline double damax(const _drovector& vec)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] damax(const _drovector&)"
<< std::endl;
#endif//CPPL_VERBOSE
double val( vec.Array[idamax_(vec.L, vec.Array, 1)-1] );
vec.destroy();
return val;
}
/*! return the index of element having the largest absolute value
in 0-based numbering system */
inline long idamax(const _drovector& vec)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] idamax(const _drovector&)"
<< std::endl;
#endif//CPPL_VERBOSE
long i( idamax_(vec.L, vec.Array, 1) -1 );
vec.destroy();
return i;
}
/*! return its Euclidean norm */
inline double nrm2(const _drovector& vec)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] nrm2(const _drovector&)"
<< std::endl;
#endif//CPPL_VERBOSE
double val( dnrm2_(vec.L, vec.Array, 1) );
vec.destroy();
return val;
}
/*! dcovector*_drovector operator */
inline _dgematrix operator*(const dcovector& covec, const _drovector& rovec)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] operator*(const dcovector&, const _drovector&)"
<< std::endl;
#endif//CPPL_VERBOSE
dgematrix newmat(covec.L, rovec.L);
for(long i=0; i<newmat.m; i++){ for(long j=0; j<newmat.n; j++){
newmat(i,j) =covec(i)*rovec(j);
}}
rovec.destroy();
return _(newmat);
}
/*! _drovector*dcovector operator */
inline double operator*(const _drovector& rovec, const dcovector& covec)
{VERBOSE_REPORT;
#ifdef CPPL_DEBUG
if(rovec.l!=covec.l){
ERROR_REPORT;
std::cerr << "These two vectors can not make a product." << std::endl
<< "Your input was (" << rovec.l << ") * (" << covec.l << ")." << std::endl;
exit(1);
}
#endif//CPPL_DEBUG
double val( ddot_( rovec.l, rovec.array, 1, covec.array, 1 ) );
rovec.destroy();
return val;
}
/*! _drovector*dgbmatrix operator */
inline _drovector operator*(const _drovector& vec, const dgbmatrix& mat)
{VERBOSE_REPORT;
#ifdef CPPL_DEBUG
if(vec.l!=mat.m){
ERROR_REPORT;
std::cerr << "These vector and matrix can not make a product." << std::endl
<< "Your input was (" << vec.l << ") * (" << mat.m << "x" << mat.n << ")." << std::endl;
exit(1);
}
#endif//CPPL_DEBUG
drovector newvec(mat.n);
dgbmv_( 'T', mat.m, mat.n, mat.kl, mat.ku, 1.0, mat.array, mat.kl+mat.ku+1, vec.array, 1, 0.0, newvec.array, 1 );
vec.destroy();
return _(newvec);
}
