src/math/tnt_array1d_utils.hpp

/*
*
* Template Numerical Toolkit (TNT)
*
* 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_ARRAY1D_UTILS_H
#define TNT_ARRAY1D_UTILS_H

#include <cstdlib>
#include <cassert>

namespace TNT
{


template <class T>
std::ostream& operator<<(std::ostream &s, const Array1D<T> &A)
{
    int N=A.dim1();

#ifdef TNT_DEBUG
        s << "addr: " << (void *) &A[0] << "\n";
#endif
    s << N << "\n";
    for (int j=0; j<N; j++)
    {
       s << A[j] << "\n";
    }
    s << "\n";

    return s;
}

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;
}


template <class T>
Array1D<T> operator+(const Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() != n )
                return Array1D<T>();

        else
        {
                Array1D<T> C(n);

                for (int i=0; i<n; i++)
                {
                        C[i] = A[i] + B[i];
                }
                return C;
        }
}


template <class T>
Array1D<T> operator-(const Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() != n )
                return Array1D<T>();

        else
        {
                Array1D<T> C(n);

                for (int i=0; i<n; i++)
                {
                        C[i] = A[i] - B[i];
                }
                return C;
        }
}


template <class T>
Array1D<T> operator*(const Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() != n )
                return Array1D<T>();

        else
        {
                Array1D<T> C(n);

                for (int i=0; i<n; i++)
                {
                        C[i] = A[i] * B[i];
                }
                return C;
        }
}


template <class T>
Array1D<T> operator/(const Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() != n )
                return Array1D<T>();

        else
        {
                Array1D<T> C(n);

                for (int i=0; i<n; i++)
                {
                        C[i] = A[i] / B[i];
                }
                return C;
        }
}


template <class T>
Array1D<T>&  operator+=(Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() == n)
        {
                for (int i=0; i<n; i++)
                {
                                A[i] += B[i];
                }
        }
        return A;
}


template <class T>
Array1D<T>&  operator-=(Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() == n)
        {
                for (int i=0; i<n; i++)
                {
                                A[i] -= B[i];
                }
        }
        return A;
}


template <class T>
Array1D<T>&  operator*=(Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() == n)
        {
                for (int i=0; i<n; i++)
                {
                                A[i] *= B[i];
                }
        }
        return A;
}


template <class T>
Array1D<T>&  operator/=(Array1D<T> &A, const Array1D<T> &B)
{
        int n = A.dim1();

        if (B.dim1() == n)
        {
                for (int i=0; i<n; i++)
                {
                                A[i] /= B[i];
                }
        }
        return A;
}


} // namespace TNT

#endif
Revision:	3495
Committed:	Tue Apr 7 20:16:26 2009 UTC (15 years, 5 months ago) by gezelter
File size:	3082 byte(s)
Log Message:	adding jama and tnt libraries for various linear algebra routines
#	User	Rev	Content
1	gezelter	3495	/*
2			*
3			* Template Numerical Toolkit (TNT)
4			*
5			* Mathematical and Computational Sciences Division
6			* National Institute of Technology,
7			* Gaithersburg, MD USA
8			*
9			*
10			* This software was developed at the National Institute of Standards and
11			* Technology (NIST) by employees of the Federal Government in the course
12			* of their official duties. Pursuant to title 17 Section 105 of the
13			* United States Code, this software is not subject to copyright protection
14			* and is in the public domain. NIST assumes no responsibility whatsoever for
15			* its use by other parties, and makes no guarantees, expressed or implied,
16			* about its quality, reliability, or any other characteristic.
17			*
18			*/
19
20			#ifndef TNT_ARRAY1D_UTILS_H
21			#define TNT_ARRAY1D_UTILS_H
22
23			#include <cstdlib>
24			#include <cassert>
25
26			namespace TNT
27			{
28
29
30			template <class T>
31			std::ostream& operator<<(std::ostream &s, const Array1D<T> &A)
32			{
33			int N=A.dim1();
34
35			#ifdef TNT_DEBUG
36			s << "addr: " << (void *) &A[0] << "\n";
37			#endif
38			s << N << "\n";
39			for (int j=0; j<N; j++)
40			{
41			s << A[j] << "\n";
42			}
43			s << "\n";
44
45			return s;
46			}
47
48			template <class T>
49			std::istream& operator>>(std::istream &s, Array1D<T> &A)
50			{
51			int N;
52			s >> N;
53
54			Array1D<T> B(N);
55			for (int i=0; i<N; i++)
56			s >> B[i];
57			A = B;
58			return s;
59			}
60
61
62
63			template <class T>
64			Array1D<T> operator+(const Array1D<T> &A, const Array1D<T> &B)
65			{
66			int n = A.dim1();
67
68			if (B.dim1() != n )
69			return Array1D<T>();
70
71			else
72			{
73			Array1D<T> C(n);
74
75			for (int i=0; i<n; i++)
76			{
77			C[i] = A[i] + B[i];
78			}
79			return C;
80			}
81			}
82
83
84
85			template <class T>
86			Array1D<T> operator-(const Array1D<T> &A, const Array1D<T> &B)
87			{
88			int n = A.dim1();
89
90			if (B.dim1() != n )
91			return Array1D<T>();
92
93			else
94			{
95			Array1D<T> C(n);
96
97			for (int i=0; i<n; i++)
98			{
99			C[i] = A[i] - B[i];
100			}
101			return C;
102			}
103			}
104
105
106			template <class T>
107			Array1D<T> operator*(const Array1D<T> &A, const Array1D<T> &B)
108			{
109			int n = A.dim1();
110
111			if (B.dim1() != n )
112			return Array1D<T>();
113
114			else
115			{
116			Array1D<T> C(n);
117
118			for (int i=0; i<n; i++)
119			{
120			C[i] = A[i] * B[i];
121			}
122			return C;
123			}
124			}
125
126
127			template <class T>
128			Array1D<T> operator/(const Array1D<T> &A, const Array1D<T> &B)
129			{
130			int n = A.dim1();
131
132			if (B.dim1() != n )
133			return Array1D<T>();
134
135			else
136			{
137			Array1D<T> C(n);
138
139			for (int i=0; i<n; i++)
140			{
141			C[i] = A[i] / B[i];
142			}
143			return C;
144			}
145			}
146
147
148
149
150
151
152
153
154
155			template <class T>
156			Array1D<T>& operator+=(Array1D<T> &A, const Array1D<T> &B)
157			{
158			int n = A.dim1();
159
160			if (B.dim1() == n)
161			{
162			for (int i=0; i<n; i++)
163			{
164			A[i] += B[i];
165			}
166			}
167			return A;
168			}
169
170
171
172
173			template <class T>
174			Array1D<T>& operator-=(Array1D<T> &A, const Array1D<T> &B)
175			{
176			int n = A.dim1();
177
178			if (B.dim1() == n)
179			{
180			for (int i=0; i<n; i++)
181			{
182			A[i] -= B[i];
183			}
184			}
185			return A;
186			}
187
188
189
190			template <class T>
191			Array1D<T>& operator*=(Array1D<T> &A, const Array1D<T> &B)
192			{
193			int n = A.dim1();
194
195			if (B.dim1() == n)
196			{
197			for (int i=0; i<n; i++)
198			{
199			A[i] *= B[i];
200			}
201			}
202			return A;
203			}
204
205
206
207
208			template <class T>
209			Array1D<T>& operator/=(Array1D<T> &A, const Array1D<T> &B)
210			{
211			int n = A.dim1();
212
213			if (B.dim1() == n)
214			{
215			for (int i=0; i<n; i++)
216			{
217			A[i] /= B[i];
218			}
219			}
220			return A;
221			}
222
223
224
225
226
227
228			} // namespace TNT
229
230			#endif