DenseLinAlgPack: Concreate C++ Classes for Dense Blas-Compatible Linear Algebra  Version of the Day
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DenseLinAlgPack_DVectorOutFunc.cpp
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41 
42 #include <ostream>
43 #include <iomanip>
44 
45 #include "DenseLinAlgPack_DVectorOutFunc.hpp"
46 #include "DenseLinAlgPack_DVectorClass.hpp"
47 
48 std::ostream& DenseLinAlgPack::output(std::ostream& os, const DVectorSlice& vs
49  , LinAlgPackIO::fmtflags extra_flags)
50 {
51  int w = os.width(0) - 1; // get the set width (minus 1 since a space is inserted)
52 
53  if( !(extra_flags & LinAlgPackIO::ignore_dim_bit) )
54  os << std::setw(0) << std::left << vs.dim() << std::endl << std::right;
55 
56  DVectorSlice::const_iterator itr = vs.begin();
57  for( size_type i = 1; itr != vs.end(); ++i, ++itr ) {
58  os << " " << std::setw(w) << (*itr) << ":" << i; // insert a space to be sure there is white space
59  // inbetween adjacent elements.
60  }
61 
62  if( !(extra_flags & LinAlgPackIO::no_insert_newlines_bit) )
63  os << std::endl;
64 
65  return os;
66 }
size_t size_type