GNU Octave  4.0.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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op-fs-fs.cc
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1 /*
2 
3 Copyright (C) 1996-2015 John W. Eaton
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 3 of the License, or (at your
10 option) any 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, see
19 <http://www.gnu.org/licenses/>.
20 
21 */
22 
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26 
27 #include "Array-util.h"
28 
29 #include "gripes.h"
30 #include "oct-obj.h"
31 #include "ov.h"
32 #include "ov-scalar.h"
33 #include "ov-float.h"
34 #include "ov-flt-re-mat.h"
35 #include "ov-typeinfo.h"
36 #include "ov-null-mat.h"
37 #include "ops.h"
38 #include "xdiv.h"
39 #include "xpow.h"
40 
41 // scalar unary ops.
42 
43 DEFUNOP (not, float_scalar)
44 {
46  float x = v.float_value ();
47  if (xisnan (x))
49  return octave_value (x == 0.0f);
50 }
51 
52 DEFUNOP_OP (uplus, float_scalar, /* no-op */)
53 DEFUNOP_OP (uminus, float_scalar, -)
54 DEFUNOP_OP (transpose, float_scalar, /* no-op */)
55 DEFUNOP_OP (hermitian, float_scalar, /* no-op */)
56 
57 DEFNCUNOP_METHOD (incr, float_scalar, increment)
58 DEFNCUNOP_METHOD (decr, float_scalar, decrement)
59 
60 // float by float ops.
61 
62 DEFBINOP_OP (add, float_scalar, float_scalar, +)
63 DEFBINOP_OP (sub, float_scalar, float_scalar, -)
64 DEFBINOP_OP (mul, float_scalar, float_scalar, *)
65 
66 DEFBINOP (div, float_scalar, float_scalar)
67 {
69 
70  float d = v2.float_value ();
71 
72  if (d == 0.0)
74 
75  return octave_value (v1.float_value () / d);
76 }
77 
78 DEFBINOP_FN (pow, float_scalar, float_scalar, xpow)
79 
80 DEFBINOP (ldiv, float_scalar, float_scalar)
81 {
83 
84  float d = v1.float_value ();
85 
86  if (d == 0.0)
88 
89  return octave_value (v2.float_value () / d);
90 }
91 
92 DEFBINOP_OP (lt, float_scalar, float_scalar, <)
93 DEFBINOP_OP (le, float_scalar, float_scalar, <=)
94 DEFBINOP_OP (eq, float_scalar, float_scalar, ==)
95 DEFBINOP_OP (ge, float_scalar, float_scalar, >=)
96 DEFBINOP_OP (gt, float_scalar, float_scalar, >)
97 DEFBINOP_OP (ne, float_scalar, float_scalar, !=)
98 
99 DEFBINOP_OP (el_mul, float_scalar, float_scalar, *)
100 
101 DEFBINOP (el_div, float_scalar, float_scalar)
102 {
104 
105  float d = v2.float_value ();
106 
107  if (d == 0.0)
109 
110  return octave_value (v1.float_value () / d);
111 }
112 
113 DEFBINOP_FN (el_pow, float_scalar, float_scalar, xpow)
114 
115 DEFBINOP (el_ldiv, float_scalar, float_scalar)
116 {
118 
119  float d = v1.float_value ();
120 
121  if (d == 0.0)
123 
124  return octave_value (v2.float_value () / d);
125 }
126 
127 DEFSCALARBOOLOP_OP (el_and, float_scalar, float_scalar, &&)
128 DEFSCALARBOOLOP_OP (el_or, float_scalar, float_scalar, ||)
129 
130 DEFNDCATOP_FN (fs_fs, float_scalar, float_scalar, float_array, float_array,
132 DEFNDCATOP_FN (s_fs, scalar, float_scalar, float_array, float_array, concat)
133 DEFNDCATOP_FN (fs_s, float_scalar, scalar, float_array, float_array, concat)
134 
135 CONVDECL (float_to_scalar)
136 {
138 
139  return new octave_matrix (Matrix (1, 1,
140  static_cast<double>(v.float_value ())));
141 }
142 
143 void
145 {
151 
152  INSTALL_NCUNOP (op_incr, octave_float_scalar, incr);
153  INSTALL_NCUNOP (op_decr, octave_float_scalar, decr);
154 
173 
177 
181 
188 
190 }
virtual float float_value(bool=false) const
Definition: ov-base.cc:525
octave_value xpow(const SparseMatrix &a, double b)
Definition: sparse-xpow.cc:59
octave_value op_uplus(const octave_value &a)
Definition: ov.h:1294
#define DEFBINOP(name, t1, t2)
Definition: ops.h:279
#define DEFUNOP(name, t)
Definition: ops.h:231
octave_value op_el_pow(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1342
#define INSTALL_NCUNOP(op, t, f)
Definition: ops.h:42
bool xisnan(double x)
Definition: lo-mappers.cc:144
octave_value op_eq(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1335
octave_value op_el_ldiv(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1343
static void transpose(octave_idx_type N, const octave_idx_type *ridx, const octave_idx_type *cidx, octave_idx_type *ridx2, octave_idx_type *cidx2)
Definition: symrcm.cc:382
ComplexNDArray concat(NDArray &ra, ComplexNDArray &rb, const Array< octave_idx_type > &ra_idx)
Definition: CNDArray.cc:664
octave_value op_pow(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1328
const octave_base_value const Array< octave_idx_type > &ra_idx octave_int16_scalar & v1
#define DEFUNOP_OP(name, t, op)
Definition: ops.h:234
F77_RET_T const double const double double * d
#define CAST_BINOP_ARGS(t1, t2)
Definition: ops.h:79
#define INSTALL_CONVOP(t1, t2, f)
Definition: ops.h:68
#define DEFBINOP_OP(name, t1, t2, op)
Definition: ops.h:282
octave_value op_div(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1326
octave_value op_el_or(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1345
#define INSTALL_BINOP(op, t1, t2, f)
Definition: ops.h:46
#define CAST_CONV_ARG(t)
Definition: ops.h:83
F77_RET_T const double const double * f
octave_value op_not(const octave_value &a)
Definition: ov.h:1293
octave_value op_transpose(const octave_value &a)
Definition: ov.h:1297
void gripe_nan_to_logical_conversion(void)
octave_value op_el_and(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1344
octave_int< T > pow(const octave_int< T > &a, const octave_int< T > &b)
Definition: dMatrix.h:35
octave_value op_le(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1334
octave_value op_lt(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1333
#define INSTALL_CATOP(t1, t2, f)
Definition: ops.h:51
octave_value op_el_div(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1341
float float_value(bool=false) const
Definition: ov-ch-mat.cc:73
#define DEFSCALARBOOLOP_OP(name, t1, t2, op)
Definition: ops.h:299
const octave_char_matrix & v2
octave_value op_ne(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1338
octave_value op_add(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1323
#define INSTALL_UNOP(op, t, f)
Definition: ops.h:38
octave_value op_ldiv(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1329
octave_value op_sub(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1324
#define CAST_UNOP_ARG(t)
Definition: ops.h:76
octave_value op_el_mul(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1340
#define DEFBINOP_FN(name, t1, t2, f)
Definition: ops.h:323
octave_value op_hermitian(const octave_value &a)
Definition: ov.h:1298
#define INSTALL_ASSIGNCONV(t1, t2, tr)
Definition: ops.h:64
octave_value op_ge(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1336
#define DEFNDCATOP_FN(name, t1, t2, e1, e2, f)
Definition: ops.h:364
octave_value op_uminus(const octave_value &a)
Definition: ov.h:1295
void install_fs_fs_ops(void)
Definition: op-fs-fs.cc:144
octave_value op_mul(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1325
void gripe_divide_by_zero(void)
Definition: gripes.cc:195
octave_value op_gt(const octave_value &a1, const octave_value &a2)
Definition: ov.h:1337
#define CONVDECL(name)
Definition: ops.h:166
return octave_value(v1.char_array_value().concat(v2.char_array_value(), ra_idx),((a1.is_sq_string()||a2.is_sq_string())? '\'': '"'))
F77_RET_T const double * x
#define DEFNCUNOP_METHOD(name, t, method)
Definition: ops.h:264
static bool scalar(const dim_vector &dims)
Definition: ov-struct.cc:736