1988
|
1 /* |
|
2 |
2847
|
3 Copyright (C) 1996, 1997 John W. Eaton |
1988
|
4 |
|
5 This file is part of Octave. |
|
6 |
|
7 Octave is free software; you can redistribute it and/or modify it |
|
8 under the terms of the GNU General Public License as published by the |
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
10 later version. |
|
11 |
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
15 for more details. |
|
16 |
|
17 You should have received a copy of the GNU General Public License |
|
18 along with Octave; see the file COPYING. If not, write to the Free |
5307
|
19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
|
20 02110-1301, USA. |
1988
|
21 |
|
22 */ |
|
23 |
|
24 #ifdef HAVE_CONFIG_H |
|
25 #include <config.h> |
|
26 #endif |
|
27 |
|
28 #include "MArray2.h" |
4669
|
29 #include "Array-util.h" |
1988
|
30 #include "lo-error.h" |
|
31 |
|
32 #include "MArray-defs.h" |
|
33 |
|
34 // Two dimensional array with math ops. |
|
35 |
|
36 // Element by element MArray2 by scalar ops. |
|
37 |
|
38 template <class T> |
|
39 MArray2<T>& |
|
40 operator += (MArray2<T>& a, const T& s) |
|
41 { |
4646
|
42 DO_VS_OP2 (T, a, +=, s) |
1988
|
43 return a; |
|
44 } |
|
45 |
|
46 template <class T> |
|
47 MArray2<T>& |
|
48 operator -= (MArray2<T>& a, const T& s) |
|
49 { |
4646
|
50 DO_VS_OP2 (T, a, -=, s) |
1988
|
51 return a; |
|
52 } |
|
53 |
|
54 // Element by element MArray2 by MArray2 ops. |
|
55 |
|
56 template <class T> |
|
57 MArray2<T>& |
|
58 operator += (MArray2<T>& a, const MArray2<T>& b) |
|
59 { |
5275
|
60 octave_idx_type r = a.rows (); |
|
61 octave_idx_type c = a.cols (); |
|
62 octave_idx_type br = b.rows (); |
|
63 octave_idx_type bc = b.cols (); |
2383
|
64 if (r != br || c != bc) |
|
65 gripe_nonconformant ("operator +=", r, c, br, bc); |
1988
|
66 else |
|
67 { |
|
68 if (r > 0 && c > 0) |
|
69 { |
5275
|
70 octave_idx_type l = a.length (); |
4646
|
71 DO_VV_OP2 (T, a, +=, b); |
1988
|
72 } |
|
73 } |
|
74 return a; |
|
75 } |
|
76 |
|
77 template <class T> |
|
78 MArray2<T>& |
|
79 operator -= (MArray2<T>& a, const MArray2<T>& b) |
|
80 { |
5275
|
81 octave_idx_type r = a.rows (); |
|
82 octave_idx_type c = a.cols (); |
|
83 octave_idx_type br = b.rows (); |
|
84 octave_idx_type bc = b.cols (); |
2383
|
85 if (r != br || c != bc) |
|
86 gripe_nonconformant ("operator -=", r, c, br, bc); |
1988
|
87 else |
|
88 { |
|
89 if (r > 0 && c > 0) |
|
90 { |
5275
|
91 octave_idx_type l = a.length (); |
4646
|
92 DO_VV_OP2 (T, a, -=, b); |
1988
|
93 } |
|
94 } |
|
95 return a; |
|
96 } |
|
97 |
|
98 // Element by element MArray2 by scalar ops. |
|
99 |
|
100 #define MARRAY_A2S_OP(OP) \ |
|
101 template <class T> \ |
|
102 MArray2<T> \ |
|
103 operator OP (const MArray2<T>& a, const T& s) \ |
|
104 { \ |
3504
|
105 MArray2<T> result (a.rows (), a.cols ()); \ |
|
106 T *r = result.fortran_vec (); \ |
5275
|
107 octave_idx_type l = a.length (); \ |
3504
|
108 const T *v = a.data (); \ |
|
109 DO_VS_OP (r, l, v, OP, s); \ |
|
110 return result; \ |
1988
|
111 } |
|
112 |
|
113 MARRAY_A2S_OP (+) |
|
114 MARRAY_A2S_OP (-) |
|
115 MARRAY_A2S_OP (*) |
|
116 MARRAY_A2S_OP (/) |
|
117 |
|
118 // Element by element scalar by MArray2 ops. |
|
119 |
|
120 #define MARRAY_SA2_OP(OP) \ |
|
121 template <class T> \ |
|
122 MArray2<T> \ |
|
123 operator OP (const T& s, const MArray2<T>& a) \ |
|
124 { \ |
3504
|
125 MArray2<T> result (a.rows (), a.cols ()); \ |
|
126 T *r = result.fortran_vec (); \ |
5275
|
127 octave_idx_type l = a.length (); \ |
3504
|
128 const T *v = a.data (); \ |
|
129 DO_SV_OP (r, l, s, OP, v); \ |
|
130 return result; \ |
1988
|
131 } |
|
132 |
|
133 MARRAY_SA2_OP (+) |
|
134 MARRAY_SA2_OP (-) |
|
135 MARRAY_SA2_OP (*) |
|
136 MARRAY_SA2_OP (/) |
|
137 |
|
138 // Element by element MArray2 by MArray2 ops. |
|
139 |
2383
|
140 #define MARRAY_A2A2_OP(FCN, OP) \ |
1988
|
141 template <class T> \ |
|
142 MArray2<T> \ |
|
143 FCN (const MArray2<T>& a, const MArray2<T>& b) \ |
|
144 { \ |
5275
|
145 octave_idx_type a_nr = a.rows (); \ |
|
146 octave_idx_type a_nc = a.cols (); \ |
|
147 octave_idx_type b_nr = b.rows (); \ |
|
148 octave_idx_type b_nc = b.cols (); \ |
3504
|
149 if (a_nr != b_nr || a_nc != b_nc) \ |
1988
|
150 { \ |
3504
|
151 gripe_nonconformant (#FCN, a_nr, a_nc, b_nr, b_nc); \ |
1988
|
152 return MArray2<T> (); \ |
|
153 } \ |
3504
|
154 if (a_nr == 0 || a_nc == 0) \ |
|
155 return MArray2<T> (a_nr, a_nc); \ |
5275
|
156 octave_idx_type l = a.length (); \ |
3504
|
157 MArray2<T> result (a_nr, a_nc); \ |
|
158 T *r = result.fortran_vec (); \ |
|
159 const T *x = a.data (); \ |
|
160 const T *y = b.data (); \ |
|
161 DO_VV_OP (r, l, x, OP, y); \ |
|
162 return result; \ |
1988
|
163 } |
|
164 |
2383
|
165 MARRAY_A2A2_OP (operator +, +) |
|
166 MARRAY_A2A2_OP (operator -, -) |
|
167 MARRAY_A2A2_OP (product, *) |
|
168 MARRAY_A2A2_OP (quotient, /) |
1988
|
169 |
|
170 // Unary MArray2 ops. |
|
171 |
|
172 template <class T> |
|
173 MArray2<T> |
3574
|
174 operator + (const MArray2<T>& a) |
|
175 { |
|
176 return a; |
|
177 } |
|
178 |
|
179 template <class T> |
|
180 MArray2<T> |
1988
|
181 operator - (const MArray2<T>& a) |
|
182 { |
5275
|
183 octave_idx_type l = a.length (); |
3504
|
184 MArray2<T> result (a.rows (), a.cols ()); |
|
185 T *r = result.fortran_vec (); |
|
186 const T *x = a.data (); |
|
187 NEG_V (r, l, x); |
|
188 return result; |
1988
|
189 } |
|
190 |
|
191 /* |
|
192 ;;; Local Variables: *** |
|
193 ;;; mode: C++ *** |
|
194 ;;; End: *** |
|
195 */ |