Mercurial > octave-nkf
annotate src/OPERATORS/op-s-s.cc @ 14138:72c96de7a403 stable
maint: update copyright notices for 2012
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 02 Jan 2012 14:25:41 -0500 |
parents | fd0a3ac60b0e |
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rev | line source |
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2928 | 1 /* |
2 | |
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3 Copyright (C) 1996-2012 John W. Eaton |
2928 | 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 | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2928 | 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 | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2928 | 20 |
21 */ | |
22 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
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27 #include "Array-util.h" |
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28 |
2928 | 29 #include "gripes.h" |
4055 | 30 #include "oct-obj.h" |
2928 | 31 #include "ov.h" |
32 #include "ov-scalar.h" | |
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33 #include "ov-float.h" |
2928 | 34 #include "ov-re-mat.h" |
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35 #include "ov-flt-re-mat.h" |
2928 | 36 #include "ov-typeinfo.h" |
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37 #include "ov-null-mat.h" |
2928 | 38 #include "ops.h" |
39 #include "xdiv.h" | |
40 #include "xpow.h" | |
41 | |
3203 | 42 // scalar unary ops. |
43 | |
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44 DEFUNOP (not, scalar) |
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45 { |
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46 CAST_UNOP_ARG (const octave_scalar&); |
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47 double x = v.scalar_value (); |
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48 if (xisnan (x)) |
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49 gripe_nan_to_logical_conversion (); |
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50 return octave_value (x == 0.0); |
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51 } |
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52 |
4965 | 53 DEFUNOP_OP (uplus, scalar, /* no-op */) |
3203 | 54 DEFUNOP_OP (uminus, scalar, -) |
55 DEFUNOP_OP (transpose, scalar, /* no-op */) | |
56 DEFUNOP_OP (hermitian, scalar, /* no-op */) | |
57 | |
58 DEFNCUNOP_METHOD (incr, scalar, increment) | |
59 DEFNCUNOP_METHOD (decr, scalar, decrement) | |
60 | |
2928 | 61 // scalar by scalar ops. |
62 | |
63 DEFBINOP_OP (add, scalar, scalar, +) | |
64 DEFBINOP_OP (sub, scalar, scalar, -) | |
65 DEFBINOP_OP (mul, scalar, scalar, *) | |
66 | |
67 DEFBINOP (div, scalar, scalar) | |
68 { | |
69 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); | |
70 | |
71 double d = v2.double_value (); | |
72 | |
73 if (d == 0.0) | |
74 gripe_divide_by_zero (); | |
75 | |
76 return octave_value (v1.double_value () / d); | |
77 } | |
78 | |
79 DEFBINOP_FN (pow, scalar, scalar, xpow) | |
80 | |
81 DEFBINOP (ldiv, scalar, scalar) | |
82 { | |
83 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); | |
84 | |
85 double d = v1.double_value (); | |
86 | |
87 if (d == 0.0) | |
88 gripe_divide_by_zero (); | |
89 | |
90 return octave_value (v2.double_value () / d); | |
91 } | |
92 | |
93 DEFBINOP_OP (lt, scalar, scalar, <) | |
94 DEFBINOP_OP (le, scalar, scalar, <=) | |
95 DEFBINOP_OP (eq, scalar, scalar, ==) | |
96 DEFBINOP_OP (ge, scalar, scalar, >=) | |
97 DEFBINOP_OP (gt, scalar, scalar, >) | |
98 DEFBINOP_OP (ne, scalar, scalar, !=) | |
99 | |
100 DEFBINOP_OP (el_mul, scalar, scalar, *) | |
101 | |
102 DEFBINOP (el_div, scalar, scalar) | |
103 { | |
104 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); | |
105 | |
106 double d = v2.double_value (); | |
107 | |
108 if (d == 0.0) | |
109 gripe_divide_by_zero (); | |
110 | |
111 return octave_value (v1.double_value () / d); | |
112 } | |
113 | |
114 DEFBINOP_FN (el_pow, scalar, scalar, xpow) | |
115 | |
116 DEFBINOP (el_ldiv, scalar, scalar) | |
117 { | |
118 CAST_BINOP_ARGS (const octave_scalar&, const octave_scalar&); | |
119 | |
120 double d = v1.double_value (); | |
121 | |
122 if (d == 0.0) | |
123 gripe_divide_by_zero (); | |
124 | |
125 return octave_value (v2.double_value () / d); | |
126 } | |
127 | |
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128 DEFSCALARBOOLOP_OP (el_and, scalar, scalar, &&) |
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129 DEFSCALARBOOLOP_OP (el_or, scalar, scalar, ||) |
2928 | 130 |
4915 | 131 DEFNDCATOP_FN (s_s, scalar, scalar, array, array, concat) |
132 | |
2928 | 133 void |
134 install_s_s_ops (void) | |
135 { | |
3538 | 136 INSTALL_UNOP (op_not, octave_scalar, not); |
4977 | 137 INSTALL_UNOP (op_uplus, octave_scalar, uplus); |
3538 | 138 INSTALL_UNOP (op_uminus, octave_scalar, uminus); |
139 INSTALL_UNOP (op_transpose, octave_scalar, transpose); | |
140 INSTALL_UNOP (op_hermitian, octave_scalar, hermitian); | |
3203 | 141 |
3538 | 142 INSTALL_NCUNOP (op_incr, octave_scalar, incr); |
143 INSTALL_NCUNOP (op_decr, octave_scalar, decr); | |
3203 | 144 |
3538 | 145 INSTALL_BINOP (op_add, octave_scalar, octave_scalar, add); |
146 INSTALL_BINOP (op_sub, octave_scalar, octave_scalar, sub); | |
147 INSTALL_BINOP (op_mul, octave_scalar, octave_scalar, mul); | |
148 INSTALL_BINOP (op_div, octave_scalar, octave_scalar, div); | |
149 INSTALL_BINOP (op_pow, octave_scalar, octave_scalar, pow); | |
150 INSTALL_BINOP (op_ldiv, octave_scalar, octave_scalar, ldiv); | |
151 INSTALL_BINOP (op_lt, octave_scalar, octave_scalar, lt); | |
152 INSTALL_BINOP (op_le, octave_scalar, octave_scalar, le); | |
153 INSTALL_BINOP (op_eq, octave_scalar, octave_scalar, eq); | |
154 INSTALL_BINOP (op_ge, octave_scalar, octave_scalar, ge); | |
155 INSTALL_BINOP (op_gt, octave_scalar, octave_scalar, gt); | |
156 INSTALL_BINOP (op_ne, octave_scalar, octave_scalar, ne); | |
157 INSTALL_BINOP (op_el_mul, octave_scalar, octave_scalar, el_mul); | |
158 INSTALL_BINOP (op_el_div, octave_scalar, octave_scalar, el_div); | |
159 INSTALL_BINOP (op_el_pow, octave_scalar, octave_scalar, el_pow); | |
160 INSTALL_BINOP (op_el_ldiv, octave_scalar, octave_scalar, el_ldiv); | |
161 INSTALL_BINOP (op_el_and, octave_scalar, octave_scalar, el_and); | |
162 INSTALL_BINOP (op_el_or, octave_scalar, octave_scalar, el_or); | |
2928 | 163 |
4915 | 164 INSTALL_CATOP (octave_scalar, octave_scalar, s_s); |
165 | |
2928 | 166 INSTALL_ASSIGNCONV (octave_scalar, octave_scalar, octave_matrix); |
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167 INSTALL_ASSIGNCONV (octave_float_scalar, octave_scalar, octave_float_matrix); |
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168 |
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169 INSTALL_ASSIGNCONV (octave_scalar, octave_null_matrix, octave_matrix); |
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170 INSTALL_ASSIGNCONV (octave_scalar, octave_null_str, octave_matrix); |
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171 INSTALL_ASSIGNCONV (octave_scalar, octave_null_sq_str, octave_matrix); |
2928 | 172 } |