Mercurial > octave

annotate liboctave/util/oct-inttypes.h @ 21751:b571fc85953f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
maint: Use two spaces after period to indicate sentence break.
author Rik <rik@octave.org>
date Thu, 19 May 2016 18:48:52 -0700
parents aba2e6293dd8
children 2aef506f3fec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1 /*
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
2
19697
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 18634
diff changeset
3 Copyright (C) 2004-2015 John W. Eaton
11523
fd0a3ac60b0e update copyright notices
John W. Eaton <jwe@octave.org>
parents: 10436
diff changeset
4 Copyright (C) 2008-2009 Jaroslav Hajek
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
5
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
6 This file is part of Octave.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
7
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6764
diff changeset
10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6764
diff changeset
11 option) any later version.
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
12
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
16 for more details.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
17
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6764
diff changeset
19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6764
diff changeset
20 <http://www.gnu.org/licenses/>.
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
21
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
22 */
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
23
20791
f7084eae3318 maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents: 19861
diff changeset
24 #if ! defined (octave_oct_inttypes_h)
17822
ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents: 17769
diff changeset
25 #define octave_oct_inttypes_h 1
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
26
21244
1473547f50f5 include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
27 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
28
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
29 #include <cstdlib>
6482
7e958a1532c6 [project @ 2007-04-04 02:37:07 by jwe]
jwe
parents: 6402
diff changeset
30
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
31 #include <limits>
8950
d865363208d6 include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
32 #include <iosfwd>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
33
8731
5abe5ae55465 use lo-traits in oct-inttypes
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
34 #include "lo-traits.h"
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
35 #include "lo-math.h"
4969
52f808101130 [project @ 2004-09-08 02:44:04 by jwe]
jwe
parents: 4968
diff changeset
36 #include "lo-mappers.h"
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
37
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
38 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
39 inline long double xround (long double x) { return roundl (x); }
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
40 inline long double xisnan (long double x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
41 { return xisnan (static_cast<double> (x)); }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
42 #endif
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
43
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
44 // FIXME: we define this by our own because some compilers, such as
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
45 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
46 // the future, it should go away in favor of std::abs.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
47 template <typename T>
8293
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC
Jaroslav Hajek <highegg@gmail.com>
parents: 8202
diff changeset
48 inline T octave_int_abs (T x) { return x >= 0 ? x : -x; }
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC
Jaroslav Hajek <highegg@gmail.com>
parents: 8202
diff changeset
49
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
50 // Query for an integer type of certain sizeof, and signedness.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
51 template <int qsize, bool qsigned>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
52 struct query_integer_type
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
53 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
54 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
55 static const bool registered = false;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
56 typedef void type; // Void shall result in a compile-time error if we
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
57 // attempt to use it in computations.
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
58 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
59
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
60 #define REGISTER_INT_TYPE(TYPE) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
61 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
62 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
63 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
64 public: \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
65 static const bool registered = true; \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
66 typedef TYPE type; \
7598
a89b3fa632ee partial specialization for octave_int_fit_to_range
John W. Eaton <jwe@octave.org>
parents: 7596
diff changeset
67 }
7596
6929e40fc597 compatible handling of NaN -> int conversions
John W. Eaton <jwe@octave.org>
parents: 7534
diff changeset
68
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
69 // No two registered integers can share sizeof and signedness.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
70 REGISTER_INT_TYPE (int8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
71 REGISTER_INT_TYPE (uint8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
72 REGISTER_INT_TYPE (int16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
73 REGISTER_INT_TYPE (uint16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
74 REGISTER_INT_TYPE (int32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
75 REGISTER_INT_TYPE (uint32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
76 REGISTER_INT_TYPE (int64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
77 REGISTER_INT_TYPE (uint64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
78
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
79 // Rationale: Comparators have a single static method, rel(), that returns the
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
80 // result of the binary relation. They also have two static boolean fields:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
81 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
82 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
83 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
84 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
85 public: \
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
86 static const bool ltval = (0 OP 1); \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
87 static const bool gtval = (1 OP 0); \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
88 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
89 static bool op (T x, T y) { return x OP y; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
90 }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
91
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
92 // We also provide two special relations: ct, yielding always true, and cf,
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
93 // yielding always false.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
94 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
95 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
96 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
97 public: \
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
98 static const bool ltval = value; \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
99 static const bool gtval = value; \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
100 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
101 static bool op (T, T) { return value; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
102 }
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
103
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
104 // Handles non-homogeneous integer comparisons. Avoids doing useless tests.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
105 class octave_int_cmp_op
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
106 {
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
107 // This determines a suitable promotion type for T1 when meeting T2 in a
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
108 // binary relation. If promotion to int or T2 is safe, it is used.
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
109 // Otherwise, the signedness of T1 is preserved and it is widened if T2 is
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
110 // wider.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
111 // Notice that if this is applied to both types, they must end up with equal
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
112 // size.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
113 template <typename T1, typename T2>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
114 class prom
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
115 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
116 // Promote to int?
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
117 static const bool pint = (sizeof (T1) < sizeof (int)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
118 && sizeof (T2) < sizeof (int));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
119 static const bool t1sig = std::numeric_limits<T1>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
120 static const bool t2sig = std::numeric_limits<T2>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
121 static const bool psig =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
122 (pint || (sizeof (T2) > sizeof (T1) && t2sig) || t1sig);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
123 static const int psize =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
124 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
125 ? sizeof (T2) : sizeof (T1)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
126 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
127 typedef typename query_integer_type<psize, psig>::type type;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
128 };
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
129
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
130 // Implements comparisons between two types of equal size but
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
131 // possibly different signedness.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
132 template <typename xop, int size>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
133 class uiop
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
134 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
135 typedef typename query_integer_type<size, false>::type utype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
136 typedef typename query_integer_type<size, true>::type stype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
137 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
138 static bool op (utype x, utype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
139 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
140 static bool op (stype x, stype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
141 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
142 static bool op (stype x, utype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
143 { return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
144 static bool op (utype x, stype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
145 { return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y)); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
146 };
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
147
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
148 public:
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
149 REGISTER_OCTAVE_CMP_OP (lt, <);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
150 REGISTER_OCTAVE_CMP_OP (le, <=);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
151 REGISTER_OCTAVE_CMP_OP (gt, >);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
152 REGISTER_OCTAVE_CMP_OP (ge, >=);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
153 REGISTER_OCTAVE_CMP_OP (eq, ==);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
154 REGISTER_OCTAVE_CMP_OP (ne, !=);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
155 REGISTER_OCTAVE_CONST_OP (ct, true);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
156 REGISTER_OCTAVE_CONST_OP (cf, false);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
157
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
158 // Universal comparison operation.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
159 template <typename xop, typename T1, typename T2>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
160 static bool
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
161 op (T1 x, T2 y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
162 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
163 typedef typename prom<T1, T2>::type PT1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
164 typedef typename prom<T2, T1>::type PT2;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
165 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
166 static_cast<PT2> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
167 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
168
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
169 public:
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
170
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
171 // Mixed comparisons
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
172 template <typename xop, typename T>
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
173 static bool
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
174 mop (T x, double y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
175 { return xop::op (static_cast<double> (x), y); }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
176
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
177 template <typename xop, typename T>
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
178 static bool
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
179 mop (double x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
180 { return xop::op (x, static_cast<double> (y)); }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
181
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
182 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
183 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
184 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
185 external_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
186 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
187 external_mop (T, double)
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
188
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
189 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
190 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (uint64_t);
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
191 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
192
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
193 // Typecasting to doubles won't work properly for 64-bit integers --
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
194 // they lose precision.
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
195 // If we have long doubles, use them...
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
196 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
197 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
198 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
199 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
200 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
201 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
202 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
203 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
204 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
205 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
206 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
207 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
208 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
209 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
210 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
211 # else
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
212 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
213 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
214 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
215 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
216 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
217 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
218 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
219 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
220 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
221 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
222 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
223 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
224 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
225 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
226 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
227 # endif
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
228 #else
8856
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
229 // ... otherwise, use external handlers
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
230
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
231 // FIXME: We could declare directly the mop methods as external,
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
232 // but we can't do this because bugs in gcc (<= 4.3) prevent
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
233 // explicit instantiations later in that case.
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
234 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
235 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
236 emulate_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
237 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
238 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
239 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
240 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
241 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
242 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
243 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
244 emulate_mop (T, double); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
245 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
246 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
247 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
248 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
249 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
250 }
8856
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
251 #endif
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
252
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
253 DEFINE_LONG_DOUBLE_CMP_OP(int64_t)
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
254 DEFINE_LONG_DOUBLE_CMP_OP(uint64_t)
8856
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op
Jaroslav Hajek <highegg@gmail.com>
parents: 8731
diff changeset
255
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
256 #undef DEFINE_LONG_DOUBLE_CMP_OP
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
257 };
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
258
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
259 // Base integer class. No data, just conversion methods and exception flags.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
260 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
261 class octave_int_base
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
262 {
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
263 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
264
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
265 static T min_val () { return std::numeric_limits<T>:: min (); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
266 static T max_val () { return std::numeric_limits<T>:: max (); }
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
267
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
268 // Convert integer value.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
269 template <typename S>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
270 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
271 truncate_int (const S& value)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
272 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
273 // An exhaustive test whether the max and/or min check can be omitted.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
274 static const bool t_is_signed = std::numeric_limits<T>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
275 static const bool s_is_signed = std::numeric_limits<S>::is_signed;
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
276 static const int t_size = sizeof (T);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
277 static const int s_size = sizeof (S);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
278
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
279 static const bool omit_chk_min =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
280 (! s_is_signed || (t_is_signed && t_size >= s_size));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
281 static const bool omit_chk_max =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
282 (t_size > s_size || (t_size == s_size
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
283 && (! t_is_signed || s_is_signed)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
284 // If the check can be omitted, substitute constant false relation.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
285 typedef octave_int_cmp_op::cf cf;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
286 typedef octave_int_cmp_op::lt lt;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
287 typedef octave_int_cmp_op::gt gt;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
288 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
289 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max;
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
290
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
291 // Efficiency of the following depends on inlining and dead code
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
292 // elimination, but that should be a piece of cake for most compilers.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
293 if (chk_min::op (value, static_cast<S> (min_val ())))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
294 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
295 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
296 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
297 else if (chk_max::op (value, static_cast<S> (max_val ())))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
298 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
299 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
300 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
301 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
302 return static_cast<T> (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
303 }
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
304
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
305 private:
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
306
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
307 // Computes a real-valued threshold for a max/min check.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
308 template <typename S>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
309 static S
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
310 compute_threshold (S val, T orig_val)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
311 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
312 val = xround (val); // Fool optimizations (maybe redundant)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
313 // If val is even, but orig_val is odd, we're one unit off.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
314 if (orig_val % 2 && val / 2 == xround (val / 2))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
315 // FIXME: is this always correct?
19739
3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
316 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
317 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
318 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
319
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
320 public:
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 21235
diff changeset
321
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
322 // Convert a real number (check NaN and non-int).
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
323 template <typename S>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
324 static T
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 21235
diff changeset
325 convert_real (const S& value);
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
326 };
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
327
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
328 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
329 // implementations are significantly different, so we implement another layer
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
330 // and completely specialize. Arithmetics inherits from octave_int_base so
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
331 // that it can use its exceptions and truncation functions.
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
332
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
333 template <typename T, bool is_signed>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
334 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
335 { };
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
336
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
337 // Unsigned arithmetics. C++ standard requires it to be modular, so the
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
338 // overflows can be handled efficiently and reliably.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
339 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
340 class octave_int_arith_base<T, false> : octave_int_base<T>
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
341 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
342 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
343
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
344 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
345 abs (T x) { return x; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
346
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
347 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
348 signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
349
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
350 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
351 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
352 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
353
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
354 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
355 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
356
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
357 static T
10405
cc69a17ec801 remove integer math warnings
Jaroslav Hajek <highegg@gmail.com>
parents: 10346
diff changeset
358 minus (T)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
359 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
360 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
361 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
362
21308
c53bfd6d8e08 maint: Use American spelling for "behavior".
Rik <rik@octave.org>
parents: 21302
diff changeset
363 // the overflow behavior for unsigned integers is guaranteed by C/C++,
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
364 // so the following should always work.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
365 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
366 add (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
367 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
368 T u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
369 if (u < x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
370 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
371 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
372 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
373 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
374 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
375
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
376 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
377 sub (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
378 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
379 T u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
380 if (u > x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
381 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
382 u = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
383 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
384 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
385 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
386
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
387 // Multiplication is done using promotion to wider integer type. If there is
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
388 // no suitable promotion type, this operation *MUST* be specialized.
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
389 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
390
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
391 static T
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
392 mul_internal (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
393 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
394 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
395 typedef typename query_integer_type<2*sizeof (T), false>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
396 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
397 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
398 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
399
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
400 // Division with rounding to nearest. Note that / and % are probably
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
401 // computed by a single instruction.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
402 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
403 div (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
404 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
405 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
406 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
407 T z = x / y;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
408 T w = x % y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
409 if (w >= y-w) z += 1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
410 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
411 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
412 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
413 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
414 return x ? octave_int_base<T>::max_val () : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
415 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
416 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
417
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
418 // Remainder.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
419 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
420 rem (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
421 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
422 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
423 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
424
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
425 // Modulus. Note the weird y = 0 case for Matlab compatibility.
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
426 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
427 mod (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
428 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
429 return y != 0 ? x % y : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
430 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
431 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
432
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
433 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
434
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
435 // Handle 64-bit multiply using long double
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
436
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
437 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
438
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
439 extern OCTAVE_API uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
440 octave_external_uint64_uint64_mul (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
441
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
442 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
443
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
444 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
445 inline uint64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
446 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t x, uint64_t y)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
447 {
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
448 uint64_t retval;
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
449
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
450 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
451
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
452 if (p > static_cast<long double> (octave_int_base<uint64_t>::max_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
453 retval = octave_int_base<uint64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
454 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
455 retval = static_cast<uint64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
456
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
457 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
458 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
459
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
460 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
461 inline uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
462 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
463 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
464 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
465 return octave_external_uint64_uint64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
466 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
467 return mul_internal (x, y);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
468 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
469 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
470
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
471 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
472
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
473 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
474 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
475 OCTAVE_API uint64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
476 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
477
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
478 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
479
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
480 // Signed integer arithmetic.
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
481 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
482 // Rationale: If OCTAVE_HAVE_FAST_INT_OPS is defined, the following
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
483 // conditions should hold:
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
484 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
485 // 1. Signed numbers are represented by twos complement (see
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
486 // <http://en.wikipedia.org/wiki/Two%27s_complement>)
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
487 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
488 // 2. static_cast to unsigned int counterpart works like
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
489 // interpreting the signed bit pattern as unsigned (and is thus
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
490 // zero-cost).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
491 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
492 // 3. Signed addition and subtraction yield the same bit results as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
493 // unsigned. (We use casts to prevent optimization interference,
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
494 // so there is no need for things like -ftrapv).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
495 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
496 // 4. Bit operations on signed integers work like on unsigned
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
497 // integers, except for the shifts. Shifts are arithmetic.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
498 //
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
499 // The above conditions are satisfied by most modern platforms. If
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
500 // OCTAVE_HAVE_FAST_INT_OPS is defined, bit tricks and wraparound
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
501 // arithmetics are used to avoid conditional jumps as much as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
502 // possible, thus being friendly to modern pipeline processor
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
503 // architectures. Otherwise, we fall back to a bullet-proof code that
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
504 // only uses assumptions guaranteed by the standard.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
505
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
506 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
507 class octave_int_arith_base<T, true> : octave_int_base<T>
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
508 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
509 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
510 typedef typename query_integer_type<sizeof (T), false>::type UT;
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
511 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
512
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
513 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
514 static T
13734
28ddb3150943 Rename signbit to __signbit, until the problem is fixed in gnulib.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13012
diff changeset
515 __signbit (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
516 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
517 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
518 return static_cast<UT> (x) >> std::numeric_limits<T>::digits;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
519 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
520 return (x < 0) ? 1 : 0;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
521 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
522 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
523
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
524 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
525 abs (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
526 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
527 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
528 // This is close to how GCC does std::abs, but we can't just use std::abs,
21308
c53bfd6d8e08 maint: Use American spelling for "behavior".
Rik <rik@octave.org>
parents: 21302
diff changeset
529 // because its behavior for INT_MIN is undefined and the compiler could
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
530 // discard the following test.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
531 T m = x >> std::numeric_limits<T>::digits;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
532 T y = (x ^ m) - m;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
533 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
534 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
535 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
536 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
537 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
538 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
539 // -INT_MAX is safe because C++ actually allows only three implementations
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
540 // of integers: sign & magnitude, ones complement and twos complement.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
541 // The first test will, with modest optimizations, evaluate at compile
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
542 // time, and maybe eliminate the branch completely.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
543 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
544 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
545 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
546 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
547 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
548 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
549 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
550 y = (x < 0) ? -x : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
551 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
552 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
553 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
554
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
555 static T
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
556 signum (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
557 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
558 // With modest optimizations, this will compile without a jump.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
559 return ((x > 0) ? 1 : 0) - __signbit (x);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
560 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
561
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
562 // FIXME: we do not have an authority what signed shifts should
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
563 // exactly do, so we define them the easy way. Note that Matlab does
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
564 // not define signed shifts.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
565
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
566 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
567 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
568
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
569 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
570 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
571
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
572 // Minus has problems similar to abs.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
573 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
574 minus (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
575 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
576 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
577 T y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
578 if (y == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
579 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
580 --y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
581 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
582 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
583 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
584 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
585 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
586 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
587 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
588 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
589 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
590 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
591 y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
592 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
593 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
594 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
595
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
596 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
597 add (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
598 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
599 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
600 // The typecasts do nothing, but they are here to prevent an optimizing
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
601 // compiler from interfering. Also, the signed operations on small types
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
602 // actually return int.
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 T u = static_cast<UT> (x) + static_cast<UT> (y);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
604 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
605 T uy = u ^ y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
606 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
607 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
608 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
609 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
610 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
611 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
612 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
613 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
614 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
615 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
616 if (x < octave_int_base<T>::min_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
617 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
618 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
619 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
620 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
621 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
622 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
623 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
624 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
625 if (x > octave_int_base<T>::max_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
626 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
627 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
628 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
629 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
630 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
631 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
632
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
633 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
634 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
635 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
636
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
637 // This is very similar to addition.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
638 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
639 sub (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
641 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
642 // The typecasts do nothing, but they are here to prevent an optimizing
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
643 // compiler from interfering. Also, the signed operations on small types
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
644 // actually return int.
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
645 T u = static_cast<UT> (x) - static_cast<UT> (y);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
646 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
647 T uy = u ^ ~y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
648 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
649 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
650 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
651 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
652 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
653 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
654 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
655 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
656 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
657 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
658 if (x > octave_int_base<T>::max_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
659 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
660 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
661 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
662 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
663 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
664 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
665 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
666 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
667 if (x < octave_int_base<T>::min_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
668 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
669 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
670 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
671 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
672 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
673 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
674
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
675 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
676 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
677 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
678
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
679 // Multiplication is done using promotion to wider integer type. If there is
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
680 // no suitable promotion type, this operation *MUST* be specialized.
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
681 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
682
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
683 static T
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
684 mul_internal (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
685 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
686 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
687 typedef typename query_integer_type<2*sizeof (T), true>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
688 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
689 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
690 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
691
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
692 // Division.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
693 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
694 div (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
696 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
697 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
698 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
700 z = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
701 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
702 z = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
703 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
704 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
705 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
706 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
707 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
708 // This is a special case that overflows as well.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
709 if (y == -1 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
710 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
711 z = octave_int_base<T>::max_val ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
712 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
713 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
714 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
715 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
716 // Can't overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
717 T w = -octave_int_abs (x % y);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
718 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
719 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
720 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
721 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
722 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
723 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
725 // FIXME: this is a workaround due to MSVC's absence of
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
726 // std::abs (int64_t). The call to octave_int_abs can't
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 // overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 T w = octave_int_abs (x % y);
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
729
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
731 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
732 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
733 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
734 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
735
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
736 // Remainder.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
737 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
738 rem (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
739 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
740 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
741 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
742
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
743 // Modulus. Note the weird y = 0 case for Matlab compatibility.
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
744 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
745 mod (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
746 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
747 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
748 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
749 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
750 return ((r < 0) != (y < 0)) ? r + y : r;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
751 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
752 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
753 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
754 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
755 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
756
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
757 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
758
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
759 // Handle 64-bit multiply using long double
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
760
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
761 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
762
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
763 extern OCTAVE_API int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
764 octave_external_int64_int64_mul (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
765
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
766 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
767
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
768 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
769 inline int64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
770 octave_int_arith_base<int64_t, true>::mul_internal (int64_t x, int64_t y)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
771 {
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
772 int64_t retval;
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
773
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
774 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
775
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
776 // NOTE: We could maybe do it with a single branch if
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
777 // OCTAVE_HAVE_FAST_INT_OPS, but it would require one more runtime
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
778 // conversion, so the question is whether it would really be faster.
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
779 if (p > static_cast<long double> (octave_int_base<int64_t>::max_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
780 retval = octave_int_base<int64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
781 else if (p < static_cast<long double> (octave_int_base<int64_t>::min_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
782 retval = octave_int_base<int64_t>::min_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
783 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
784 retval = static_cast<int64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
785
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
786 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
787 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
788
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
789 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
790 inline int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
791 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
792 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
793 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
794 return octave_external_int64_int64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
795 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
796 return mul_internal (x, y);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
797 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
798 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
799
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
800 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
801
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
802 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
803 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
804 OCTAVE_API int64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
805 octave_int_arith_base<int64_t, true>::mul_internal (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
806
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
807 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
808
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
809 // This class simply selects the proper arithmetics.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
810 template <typename T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
811 class octave_int_arith
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
812 : public octave_int_arith_base<T, std::numeric_limits<T>::is_signed>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
813 { };
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
814
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
815 template <typename T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
816 class
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
817 octave_int : public octave_int_base<T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
818 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
819 public:
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
820 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
821
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
822 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
823
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
824 octave_int (T i) : ival (i) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
825
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21308
diff changeset
826 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES)
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
827 // Always treat characters as unsigned.
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
828 octave_int (char c)
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
829 : ival (octave_int_base<T>::truncate_int (static_cast<unsigned char> (c)))
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
830 { }
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
831 #endif
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
832
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
833 octave_int (double d) : ival (octave_int_base<T>::convert_real (d)) { }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
834
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
835 octave_int (float d) : ival (octave_int_base<T>::convert_real (d)) { }
6402
fe9817a6ee98 [project @ 2007-03-13 02:25:31 by jwe]
jwe
parents: 6108
diff changeset
836
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
837 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
838 octave_int (long double d) : ival (octave_int_base<T>::convert_real (d)) { }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
839 #endif
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
840
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
841 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
842
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
843 template <typename U>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
844 octave_int (const U& i) : ival(octave_int_base<T>::truncate_int (i)) { }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
845
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
846 template <typename U>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
847 octave_int (const octave_int<U>& i)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
848 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
849
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
850 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
851
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
852 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
853 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
854 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
855 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
856 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
857
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
858 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
859
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
860 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
861 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
862
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
863 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
864
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
865 bool bool_value (void) const { return static_cast<bool> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
866
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
867 char char_value (void) const { return static_cast<char> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
868
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
869 double double_value (void) const { return static_cast<double> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
870
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
871 float float_value (void) const { return static_cast<float> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
872
7177
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
873 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
874
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
875 // char and bool operators intentionally omitted.
5533
667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe]
jwe
parents: 5420
diff changeset
876
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
877 operator double (void) const { return double_value (); }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
878
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
879 operator float (void) const { return float_value (); }
5030
160365410ad4 [project @ 2004-09-24 03:22:23 by jwe]
jwe
parents: 5029
diff changeset
880
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
881 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
882 operator + () const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
883 { return *this; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
884
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
885 // unary operators & mappers
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
886 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
887 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
888 OPNAME () const \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
889 { return octave_int_arith<T>::NAME (ival); }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
890
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
891 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
892 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
893 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
894
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
895 #undef OCTAVE_INT_UN_OP
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
896
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
897 // Homogeneous binary integer operations.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
898 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
899 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
900 operator OP (const ARGT& y) const \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
901 { return octave_int_arith<T>::NAME (ival, y); } \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
902 inline octave_int<T>& \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
903 operator OP##= (const ARGT& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
904 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
905 ival = octave_int_arith<T>::NAME (ival, y); \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
906 return *this; \
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
907 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
908
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
909 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
910 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
911 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
912 OCTAVE_INT_BIN_OP(/, div, octave_int<T>)
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
913 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
914 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
915 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
916
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
917 #undef OCTAVE_INT_BIN_OP
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7198
diff changeset
918
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
919 static octave_int<T> min (void) { return std::numeric_limits<T>::min (); }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
920 static octave_int<T> max (void) { return std::numeric_limits<T>::max (); }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
921
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
922 static int nbits (void) { return std::numeric_limits<T>::digits; }
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
923
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14168
diff changeset
924 static int byte_size (void) { return sizeof (T); }
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
925
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
926 static const char *type_name ();
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
927
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
928 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
929 static const octave_int zero, one;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
930
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
931 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
932 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
933 void *mex_get_data (void) const { return const_cast<T *> (&ival); }
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
934
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
935 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
936
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
937 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
938 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
939
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
940 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
941 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
942 rem (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
943 { return octave_int_arith<T>::rem (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
944
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
945 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
946 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
947 mod (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
948 { return octave_int_arith<T>::mod (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
949
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
950 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
951
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
952 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
953 inline bool
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
954 xisnan (const octave_int<T>&)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
955 { return false; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
956
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
957 // FIXME: can/should any of these be inline?
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
958
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
959 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
960 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
961 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
962
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
963 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
964 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
965 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
966
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
967 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
968 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
969 pow (const octave_int<T>& a, const double& b);
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7789
diff changeset
970
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
971 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
972 extern OCTAVE_API octave_int<T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
973 pow (const float& a, const octave_int<T>& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
974
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
975 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
976 extern OCTAVE_API octave_int<T>
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
977 pow (const octave_int<T>& a, const float& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
978
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
979 // FIXME: Do we really need a differently named single-precision
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
980 // function integer power function here instead of an overloaded
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
981 // one?
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
982 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
983 extern OCTAVE_API octave_int<T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
984 powf (const float& a, const octave_int<T>& b);
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
985
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
986 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
987 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
988 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
989
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
990 // Binary relations
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
991
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
992 #define OCTAVE_INT_CMP_OP(OP, NAME) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
993 template <typename T1, typename T2> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
994 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
995 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
996 { return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
997 (x.value (), y.value ()); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
998
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
999 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1000 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1001 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1002 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1003 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1004 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1005
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1006 #undef OCTAVE_INT_CMP_OP
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
1007
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1008 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1009 inline std::ostream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1010 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1011 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1012 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1013 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1014 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1015
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1016 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1017 inline std::istream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1018 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1019 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1020 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1021 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1022 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1023 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1024 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1025
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1026 // We need to specialise for char and unsigned char because
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1027 // std::operator<< and std::operator>> are overloaded to input and
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1028 // output the ASCII character values instead of a representation of
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
1029 // their numerical value (e.g., os << char(10) outputs a space instead
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1030 // of outputting the characters '1' and '0')
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1031
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1032 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1033 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1034 operator << (std::ostream& os, const octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1035 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1036 os << static_cast<int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1037 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1038 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1039
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1040 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1041 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1042 operator << (std::ostream& os, const octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1043 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1044 os << static_cast<unsigned int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1045 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1046 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1047
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1048
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1049 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1050 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1051 operator >> (std::istream& is, octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1052 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1053 int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1054 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1055 ival = static_cast<int8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1056 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1057 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1058
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1059 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1060 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1061 operator >> (std::istream& is, octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1062 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1063 unsigned int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1064 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1065 ival = static_cast<uint8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1066 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1067 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1068
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1069
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1070 // Bitwise operations
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7598
diff changeset
1071
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1072 #define OCTAVE_INT_BITCMP_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1073 template <typename T> \
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1074 octave_int<T> \
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1075 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1076 { return x.value () OP y.value (); }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1077
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1078 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1079 OCTAVE_INT_BITCMP_OP (|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1080 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1081
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1082 #undef OCTAVE_INT_BITCMP_OP
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1083
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1084 // General bit shift.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1085 template <typename T>
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1086 octave_int<T>
4920
b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe]
jwe
parents: 4919
diff changeset
1087 bitshift (const octave_int<T>& a, int n,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1088 const octave_int<T>& mask = std::numeric_limits<T>::max ())
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1089 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1090 if (n > 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1091 return (a << n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1092 else if (n < 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1093 return (a >> -n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1094 else
8963
d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1095 return a & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1096 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1097
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1098 typedef octave_int<int8_t> octave_int8;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1099 typedef octave_int<int16_t> octave_int16;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1100 typedef octave_int<int32_t> octave_int32;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1101 typedef octave_int<int64_t> octave_int64;
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1102
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1103 typedef octave_int<uint8_t> octave_uint8;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1104 typedef octave_int<uint16_t> octave_uint16;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1105 typedef octave_int<uint32_t> octave_uint32;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1106 typedef octave_int<uint64_t> octave_uint64;
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1107
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1108 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1109
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1110 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1111 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1112 external_double_ ## T ## _ ## OP (double x, T y); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1113 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1114 external_ ## T ## _double_ ## OP (T x, double y)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1115
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1116 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1117 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1118 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1119 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1120 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, div)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1121
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1122 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_int64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1123 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_uint64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1124
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1125 #endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1126
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1127 #define OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1128 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1129 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1130 operator OP (const octave_int<T>& x, const double& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1131 { return octave_int<T> (static_cast<double> (x) OP y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1132 template <typename T> \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1133 inline octave_int<T> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1134 operator OP (const double& x, const octave_int<T>& y) \
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19739
diff changeset
1135 { return octave_int<T> (x OP static_cast<double> (y)); }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1136
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1137 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1138 // Handle mixed op using long double
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1139 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
1140 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1141 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1142 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1143 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1144 operator OP (const double& x, const octave_int64& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1145 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1146 return external_double_octave_int64_ ## NAME (x, y); \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1147 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1148 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1149 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1150 operator OP (const double& x, const octave_uint64& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1151 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1152 return external_double_octave_uint64_ ## NAME (x, y); \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1153 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1154 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1155 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1156 operator OP (const octave_int64& x, const double& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1157 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1158 return external_octave_int64_double_ ## NAME (x, y); \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1159 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1160 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1161 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1162 operator OP (const octave_uint64& x, const double& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1163 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1164 return external_octave_uint64_double_ ## NAME (x, y); \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1165 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1166 #else
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
1167 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1168 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1169 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1170 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1171 operator OP (const double& x, const octave_int64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1172 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1173 return octave_int64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1174 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1175 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1176 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1177 operator OP (const double& x, const octave_uint64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1178 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1179 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1180 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1181 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1182 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1183 operator OP (const octave_int64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1184 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1185 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1186 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1187 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1188 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1189 operator OP (const octave_uint64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1190 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1191 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1192 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1193 #endif
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1194 #else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1195 // external handlers
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1196 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1197 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1198 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1199 OCTAVE_API octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1200 operator OP (const double&, const octave_int64&); \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1201 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1202 OCTAVE_API octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1203 operator OP (const double&, const octave_uint64&); \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1204 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1205 OCTAVE_API octave_int64 \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1206 operator OP (const octave_int64&, const double&); \
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1207 template <> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1208 OCTAVE_API octave_uint64 \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1209 operator OP (const octave_uint64&, const double&);
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1210
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1211 #endif
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1212
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1213 OCTAVE_INT_DOUBLE_BIN_OP (+, add)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1214 OCTAVE_INT_DOUBLE_BIN_OP (-, sub)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1215 OCTAVE_INT_DOUBLE_BIN_OP (*, mul)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1216 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1217
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1218 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1219 #undef OCTAVE_INT_DOUBLE_BIN_OP
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1220 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OP
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1221 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1222
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1223 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1224 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1225 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1226 operator OP (const octave_int<T>& x, const double& y) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1227 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1228 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1229 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1230 operator OP (const double& x, const octave_int<T>& y) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1231 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1232
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1233 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1234 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1235 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1236 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1237 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1238 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1239
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1240 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1241
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1242 // Floats are handled by simply converting to doubles.
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1243
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1244 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1245 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1246 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1247 operator OP (const octave_int<T>& x, float y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1248 { return x OP static_cast<double> (y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1249 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1250 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1251 operator OP (float x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1252 { return static_cast<double> (x) OP y; }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1253
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1254 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1255 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1256 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1257 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1258
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1259 #undef OCTAVE_INT_FLOAT_BIN_OP
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1260
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1261 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1262 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1263 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1264 operator OP (const octave_int<T>& x, const float& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1265 { return x OP static_cast<double> (y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1266 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1267 bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1268 operator OP (const float& x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1269 { return static_cast<double> (x) OP y; }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1270
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1271 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1272 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1273 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1274 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1275 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1276 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1277
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1278 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1279
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1280 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1281 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1282 xmax (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1283 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1284 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1285 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1286 return octave_int<T> (xv >= yv ? xv : yv);
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1287 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1288
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1289 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1290 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1291 xmin (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1292 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1293 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1294 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1295 return octave_int<T> (xv <= yv ? xv : yv);
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1296 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1297
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1298 #endif