226 lines
4.3 KiB
C++
226 lines
4.3 KiB
C++
/*
|
|
*
|
|
* Template Numerical Toolkit (TNT): Two-dimensional Fortran numerical array
|
|
*
|
|
* Mathematical and Computational Sciences Division
|
|
* National Institute of Technology,
|
|
* Gaithersburg, MD USA
|
|
*
|
|
*
|
|
* This software was developed at the National Institute of Standards and
|
|
* Technology (NIST) by employees of the Federal Government in the course
|
|
* of their official duties. Pursuant to title 17 Section 105 of the
|
|
* United States Code, this software is not subject to copyright protection
|
|
* and is in the public domain. NIST assumes no responsibility whatsoever for
|
|
* its use by other parties, and makes no guarantees, expressed or implied,
|
|
* about its quality, reliability, or any other characteristic.
|
|
*
|
|
*/
|
|
|
|
|
|
|
|
#ifndef TNT_FORTRAN_ARRAY2D_H
|
|
#define TNT_FORTRAN_ARRAY2D_H
|
|
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
|
|
#ifdef TNT_BOUNDS_CHECK
|
|
#include <assert.h>
|
|
#endif
|
|
|
|
#include "tnt_i_refvec.h"
|
|
|
|
namespace TNT
|
|
{
|
|
|
|
template <class T>
|
|
class Fortran_Array2D
|
|
{
|
|
|
|
|
|
private:
|
|
i_refvec<T> v_;
|
|
int m_;
|
|
int n_;
|
|
T* data_;
|
|
|
|
|
|
void initialize_(int n);
|
|
void copy_(T* p, const T* q, int len);
|
|
void set_(T* begin, T* end, const T& val);
|
|
|
|
public:
|
|
|
|
typedef T value_type;
|
|
|
|
Fortran_Array2D();
|
|
Fortran_Array2D(int m, int n);
|
|
Fortran_Array2D(int m, int n, T *a);
|
|
Fortran_Array2D(int m, int n, const T &a);
|
|
inline Fortran_Array2D(const Fortran_Array2D &A);
|
|
inline Fortran_Array2D & operator=(const T &a);
|
|
inline Fortran_Array2D & operator=(const Fortran_Array2D &A);
|
|
inline Fortran_Array2D & ref(const Fortran_Array2D &A);
|
|
Fortran_Array2D copy() const;
|
|
Fortran_Array2D & inject(const Fortran_Array2D & A);
|
|
inline T& operator()(int i, int j);
|
|
inline const T& operator()(int i, int j) const ;
|
|
inline int dim1() const;
|
|
inline int dim2() const;
|
|
~Fortran_Array2D();
|
|
|
|
/* extended interface */
|
|
|
|
inline int ref_count() const;
|
|
|
|
};
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::Fortran_Array2D() : v_(), m_(0), n_(0), data_(0) {}
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::Fortran_Array2D(const Fortran_Array2D<T> &A) : v_(A.v_),
|
|
m_(A.m_), n_(A.n_), data_(A.data_) {}
|
|
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::Fortran_Array2D(int m, int n) : v_(m*n), m_(m), n_(n),
|
|
data_(v_.begin()) {}
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::Fortran_Array2D(int m, int n, const T &val) :
|
|
v_(m*n), m_(m), n_(n), data_(v_.begin())
|
|
{
|
|
set_(data_, data_+m*n, val);
|
|
}
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::Fortran_Array2D(int m, int n, T *a) : v_(a),
|
|
m_(m), n_(n), data_(v_.begin()) {}
|
|
|
|
|
|
|
|
|
|
template <class T>
|
|
inline T& Fortran_Array2D<T>::operator()(int i, int j)
|
|
{
|
|
#ifdef TNT_BOUNDS_CHECK
|
|
assert(i >= 1);
|
|
assert(i <= m_);
|
|
assert(j >= 1);
|
|
assert(j <= n_);
|
|
#endif
|
|
|
|
return v_[ (j-1)*m_ + (i-1) ];
|
|
|
|
}
|
|
|
|
template <class T>
|
|
inline const T& Fortran_Array2D<T>::operator()(int i, int j) const
|
|
{
|
|
#ifdef TNT_BOUNDS_CHECK
|
|
assert(i >= 1);
|
|
assert(i <= m_);
|
|
assert(j >= 1);
|
|
assert(j <= n_);
|
|
#endif
|
|
|
|
return v_[ (j-1)*m_ + (i-1) ];
|
|
|
|
}
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T> & Fortran_Array2D<T>::operator=(const T &a)
|
|
{
|
|
set_(data_, data_+m_*n_, a);
|
|
return *this;
|
|
}
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T> Fortran_Array2D<T>::copy() const
|
|
{
|
|
|
|
Fortran_Array2D B(m_,n_);
|
|
|
|
B.inject(*this);
|
|
return B;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T> & Fortran_Array2D<T>::inject(const Fortran_Array2D &A)
|
|
{
|
|
if (m_ == A.m_ && n_ == A.n_)
|
|
copy_(data_, A.data_, m_*n_);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T> & Fortran_Array2D<T>::ref(const Fortran_Array2D<T> &A)
|
|
{
|
|
if (this != &A)
|
|
{
|
|
v_ = A.v_;
|
|
m_ = A.m_;
|
|
n_ = A.n_;
|
|
data_ = A.data_;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T> & Fortran_Array2D<T>::operator=(const Fortran_Array2D<T> &A)
|
|
{
|
|
return ref(A);
|
|
}
|
|
|
|
template <class T>
|
|
inline int Fortran_Array2D<T>::dim1() const { return m_; }
|
|
|
|
template <class T>
|
|
inline int Fortran_Array2D<T>::dim2() const { return n_; }
|
|
|
|
|
|
template <class T>
|
|
Fortran_Array2D<T>::~Fortran_Array2D()
|
|
{
|
|
}
|
|
|
|
template <class T>
|
|
inline int Fortran_Array2D<T>::ref_count() const { return v_.ref_count(); }
|
|
|
|
|
|
|
|
|
|
template <class T>
|
|
void Fortran_Array2D<T>::set_(T* begin, T* end, const T& a)
|
|
{
|
|
for (T* p=begin; p<end; p++)
|
|
*p = a;
|
|
|
|
}
|
|
|
|
template <class T>
|
|
void Fortran_Array2D<T>::copy_(T* p, const T* q, int len)
|
|
{
|
|
T *end = p + len;
|
|
while (p<end )
|
|
*p++ = *q++;
|
|
|
|
}
|
|
|
|
|
|
} /* namespace TNT */
|
|
|
|
#endif
|
|
/* TNT_FORTRAN_ARRAY2D_H */
|
|
|