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#ifndef TNT_ARRAY1D_UTILS_H
#define TNT_ARRAY1D_UTILS_H
#include <cstdlib>
#include <cassert>
namespace TNT
{
/**
Write an array to a character outstream. Output format is one that can
be read back in via the in-stream operator: one integer
denoting the array dimension (n), followed by n elements,
one per line.
*/
template <class T>
std::ostream& operator<<(std::ostream &s, const Array1D<T> &A)
{
int N=A.dim1();
s << N << "\n";
for (int j=0; j<N; j++)
{
s << A[j] << "\n";
}
s << "\n";
return s;
}
/**
Read an array from a character stream. Input format
is one integer, denoting the dimension (n), followed
by n whitespace-separated elments. Newlines are ignored
<p>
Note: the array being read into references new memory
storage. If the intent is to fill an existing conformant
array, use <code> cin >> B; A.inject(B) ); </code>
instead or read the elements in one-a-time by hand.
@param s the charater to read from (typically <code>std::in</code>)
@param A the array to read into.
*/
template <class T>
std::istream& operator>>(std::istream &s, Array1D<T> &A)
{
int N;
s >> N;
Array1D<T> B(N);
for (int i=0; i<N; i++)
s >> B[i];
A = B;
return s;
}
} // namespace TNT
#endif
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