//=============================================================================
template<long m, long n>
inline double& dgematrix_small<m,n>::operator()(const long& i, const long& j)
{
return array[n*i+j];
}
//=============================================================================
template<long m, long n>
inline double dgematrix_small<m,n>::operator()(const long& i, const long& j) const
{
return array[n*i+j];
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//=============================================================================
template<long m, long n>
inline std::ostream& operator<<(std::ostream& s, const dgematrix_small<m,n>& A)
{
s << std::setiosflags(std::ios::showpos);
for(long i=0; i<m; i++){
for(long j=0; j<n; j++){
s << " " << A(i,j);
}
s << std::endl;
}
return s;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//=============================================================================
template<long m, long n>
inline void dgematrix_small<m,n>::write(const char* filename) const
{
std::ofstream ofs(filename, std::ios::trunc);
ofs.setf(std::cout.flags());
ofs.precision(std::cout.precision());
ofs.width(std::cout.width());
ofs.fill(std::cout.fill());
ofs << "dgematrix" << " " << m << " " << n << std::endl;
for(long i=0; i<m; i++){
for(long j=0; j<n; j++ ){
ofs << operator()(i,j) << " ";
}
ofs << std::endl;
}
ofs.close();
}
//=============================================================================
template<long m, long n>
inline void dgematrix_small<m,n>::read(const char* filename)
{
std::ifstream s( filename );
if(!s){
std::cerr << "[ERROR] dgematrix_small::read(const char*) " << std::endl
<< "The file \"" << filename << "\" can not be opened." << std::endl;
exit(1);
}
std::string id;
s >> id;
if( id != "dgematrix" ){
std::cerr << "[ERROR] dgematrix_small::read(const char*) " << std::endl
<< "The type name of the file \"" << filename << "\" is not dgematrix." << std::endl
<< "Its type name was " << id << " ." << std::endl;
exit(1);
}
long M, N;
s >> M >> N;
if(M!=m || N!=n){
std::cerr << "[ERROR] dgematrix_small::read(const char*) " << std::endl
<< "Matrix size is invalid." << std::endl;
exit(1);
}
for(long i=0; i<m; i++){
for(long j=0; j<n; j++ ){
s >> operator()(i,j);
}
}
if(s.eof()){
std::cerr << "[ERROR] dgematrix_small::read(const char*) " << std::endl
<< "There is something is wrong with the file \"" << filename << "\"." << std::endl
<< "Most likely, there is not enough data components, or a linefeed code or space code is missing at the end of the last line." << std::endl;
exit(1);
}
s >> id;
if(!s.eof()){
std::cerr << "[ERROR] dgematrix_small::read(const char*) " << std::endl
<< "There is something is wrong with the file \"" << filename << "\"." << std::endl
<< "Most likely, there are extra data components." << std::endl;
exit(1);
}
s.close();
}