octave: liboctave/util/oct-inttypes.h annotate

annotate liboctave/util/oct-inttypes.h @ 25858:1f52a96c8c21 stable

Fix mod operation for signed integer types (bug #54602). * oct-inttypes.h (): * data.cc (Fmod): Add BIST tests for bug #54602.

author	Gene Harvey <gharveymn@gmail.com>
date	Fri, 07 Sep 2018 09:33:33 -0700
parents	144820478378
children	fb775d5a626a

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
25054 6652d3823428 maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	3 Copyright (C) 2004-2018 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
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24199 diff changeset	8 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	9 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24199 diff changeset	10 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	11 (at your option) any later version.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	12
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	16 GNU General Public License for more details.
4902 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
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24199 diff changeset	20 <https://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
23643 3dc16b35ba2c Use round, roundf, roundl from C++ std library. Rik <rik@octave.org> parents: 23615 diff changeset	29 #include <cmath>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	30 #include <cstdlib>
6482 7e958a1532c6 [project @ 2007-04-04 02:37:07 by jwe] jwe parents: 6402 diff changeset	31
22073 d18c63a45070 wrappers for setting long double rounding mode (bug #48319) John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	32 #include <iosfwd>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	33 #include <limits>
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	34
4969 52f808101130 [project @ 2004-09-08 02:44:04 by jwe] jwe parents: 4968 diff changeset	35 #include "lo-mappers.h"
22073 d18c63a45070 wrappers for setting long double rounding mode (bug #48319) John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	36 #include "lo-traits.h"
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	37
21785 c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	38 template <typename T> class octave_int;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	39
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	40 typedef octave_int<int8_t> octave_int8;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	41 typedef octave_int<int16_t> octave_int16;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	42 typedef octave_int<int32_t> octave_int32;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	43 typedef octave_int<int64_t> octave_int64;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	44
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	45 typedef octave_int<uint8_t> octave_uint8;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	46 typedef octave_int<uint16_t> octave_uint16;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	47 typedef octave_int<uint32_t> octave_uint32;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	48 typedef octave_int<uint64_t> octave_uint64;
c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	49
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	50 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	51
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	52 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	53 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	54 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	55 {
23643 3dc16b35ba2c Use round, roundf, roundl from C++ std library. Rik <rik@octave.org> parents: 23615 diff changeset	56 inline long double round (long double x) { return std::roundl (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	57
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	58 inline long double isnan (long double x) { return isnan (static_cast<double> (x)); }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	59 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	60 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	61
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	62 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	63
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	64 OCTAVE_DEPRECATED (4.2, "use 'octave::math::round' instead")
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	65 inline long double xround (long double x) { return octave::math::round (x); }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	66
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	67 OCTAVE_DEPRECATED (4.2, "use 'octave::math::isnan' instead")
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	68 inline bool xisnan (long double x) { return octave::math::isnan (x); }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	69
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	70 #endif
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	71
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	72 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	73
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	74 // 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	75 // 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	76 // 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	77 template <typename T>
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23446 diff changeset	78 inline T octave_int_abs (T x) { return (x >= 0 ? x : -x); }
8293 ad5bb02d267a workaround missing std::abs(int64_t) in MSVC Jaroslav Hajek <highegg@gmail.com> parents: 8202 diff changeset	79
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	80 // 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	81 template <int qsize, bool qsigned>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	82 struct query_integer_type
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	83 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	84 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	85 static const bool registered = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	86 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	87 // attempt to use it in computations.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	88 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	89
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	90 #define REGISTER_INT_TYPE(TYPE) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	91 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	92 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	93 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	94 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	95 static const bool registered = true; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	96 typedef TYPE type; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	97 }
7596 6929e40fc597 compatible handling of NaN -> int conversions John W. Eaton <jwe@octave.org> parents: 7534 diff changeset	98
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	99 // No two registered integers can share sizeof and signedness.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	100 REGISTER_INT_TYPE (int8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	101 REGISTER_INT_TYPE (uint8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	102 REGISTER_INT_TYPE (int16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	103 REGISTER_INT_TYPE (uint16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	104 REGISTER_INT_TYPE (int32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	105 REGISTER_INT_TYPE (uint32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	106 REGISTER_INT_TYPE (int64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	107 REGISTER_INT_TYPE (uint64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	108
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	109 // 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	110 // 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	111 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	112 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	113 class NM \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	114 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	115 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	116 static const bool ltval = (0 OP 1); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	117 static const bool gtval = (1 OP 0); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	118 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	119 static bool op (T x, T y) { return x OP y; } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	120 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	121
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	122 // 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	123 // yielding always false.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	124 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	125 class NM \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	126 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	127 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	128 static const bool ltval = value; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	129 static const bool gtval = value; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	130 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	131 static bool op (T, T) { return value; } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	132 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	133
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	134 // 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	135 class octave_int_cmp_op
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	136 {
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	137 // 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	138 // 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	139 // 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	140 // wider.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	141 // 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	142 // size.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	143 template <typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	144 class prom
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	145 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	146 // Promote to int?
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	147 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	148 && sizeof (T2) < sizeof (int));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	149 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	150 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	151 static const bool psig =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	152 (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	153 static const int psize =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	154 (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	155 ? sizeof (T2) : sizeof (T1)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	156 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	157 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	158 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	159
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	160 // Implements comparisons between two types of equal size but
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	161 // possibly different signedness.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	162 template <typename xop, int size>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	163 class uiop
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	164 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	165 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	166 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	167 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	168 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	169 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	170 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	171 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	172 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	173 { 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	174 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	175 { 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	176 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	177
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	178 public:
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	179 REGISTER_OCTAVE_CMP_OP (lt, <);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	180 REGISTER_OCTAVE_CMP_OP (le, <=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	181 REGISTER_OCTAVE_CMP_OP (gt, >);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	182 REGISTER_OCTAVE_CMP_OP (ge, >=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	183 REGISTER_OCTAVE_CMP_OP (eq, ==);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	184 REGISTER_OCTAVE_CMP_OP (ne, !=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	185 REGISTER_OCTAVE_CONST_OP (ct, true);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	186 REGISTER_OCTAVE_CONST_OP (cf, false);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	187
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	188 // Universal comparison operation.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	189 template <typename xop, typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	190 static bool
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	191 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	192 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	193 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	194 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	195 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	196 static_cast<PT2> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	197 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	198
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	199 public:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	200
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	201 // Mixed comparisons
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	202 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	203 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	204 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	205 { return xop::op (static_cast<double> (x), y); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	206
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	207 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	208 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	209 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	210 { return xop::op (x, static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	211
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	212 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	213 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	214 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	215 external_mop (double, T); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	216 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	217 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	218
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	219 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	220 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	221 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	222
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	223 // 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	224 // they lose precision.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	225 // 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	226 #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	227 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	228 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	229 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	230 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	231 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	232 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	233 return external_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	234 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	235 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	236 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	237 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	238 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	239 return external_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	240 }
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	241 # else
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	242 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	243 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	244 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	245 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	246 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	247 return xop::op (static_cast<long double> (x), \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	248 static_cast<long double> (y)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	249 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	250 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	251 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	252 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	253 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	254 return xop::op (static_cast<long double> (x), \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	255 static_cast<long double> (y)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	256 }
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	257 # endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	258 #else
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	259 // ... 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	260
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	261 // 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	262 // 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	263 // explicit instantiations later in that case.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	264 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	265 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	266 emulate_mop (double, T); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	267 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	268 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	269 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	270 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	271 return emulate_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	272 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	273 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	274 emulate_mop (T, double); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	275 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	276 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	277 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	278 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	279 return emulate_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	280 }
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	281 #endif
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	282
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	283 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	284 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	285
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	286 #undef DEFINE_LONG_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	287 };
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	288
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	289 // 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	290 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	291 class octave_int_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	292 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	293 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	294
24199 2ac103974d00 Remove extra space between scope operator '::' and function. Rik <rik@octave.org> parents: 23662 diff changeset	295 static T min_val () { return std::numeric_limits<T>::min (); }
2ac103974d00 Remove extra space between scope operator '::' and function. Rik <rik@octave.org> parents: 23662 diff changeset	296 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	297
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	298 // Convert integer value.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	299 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	300 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	301 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	302 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	303 // 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	304 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	305 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	306 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	307 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	308
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	309 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	310 (! 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	311 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	312 (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	313 && (! 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	314 // 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	315 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	316 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	317 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	318 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	319 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	320
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	321 // 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	322 // 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	323 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	324 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	325 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	326 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	327 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	328 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	329 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	330 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	331 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	332 return static_cast<T> (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	333 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	334
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	335 private:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	336
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	337 // 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	338 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	339 static S
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	340 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	341 {
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	342 val = octave::math::round (val); // Fool optimizations (maybe redundant)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	343 // If val is even, but orig_val is odd, we're one unit off.
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	344 if (orig_val % 2 && val / 2 == octave::math::round (val / 2))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	345 // 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	346 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	347 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	348 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	349
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	350 public:
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	351
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	352 // 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	353 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	354 static T
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	355 convert_real (const S& value);
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	356 };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	357
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	358 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	359 // 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	360 // 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	361 // 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	362
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	363 template <typename T, bool is_signed>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	364 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	365 { };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	366
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	367 // 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	368 // 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	369 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	370 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	371 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	372 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	373
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	374 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	375 abs (T x) { return x; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	376
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	377 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	378 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	379
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	380 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	381 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	382 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	383
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	384 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	385 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	386
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	387 static T
10405 cc69a17ec801 remove integer math warnings Jaroslav Hajek <highegg@gmail.com> parents: 10346 diff changeset	388 minus (T)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	389 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	390 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	391 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	392
21308 c53bfd6d8e08 maint: Use American spelling for "behavior". Rik <rik@octave.org> parents: 21302 diff changeset	393 // 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	394 // so the following should always work.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	395 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	396 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	397 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	398 T u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	399 if (u < x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	400 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	401 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	402 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	403 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	404 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	405
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	406 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	407 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	408 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	409 T u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	410 if (u > x)
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 u = 0;
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 u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	415 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	416
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	417 // 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	418 // 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	419 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	420
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	421 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	422 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	423 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	424 // 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	425 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	426 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	427 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	428 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	429
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	430 // 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	431 // computed by a single instruction.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	432 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	433 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	434 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	435 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	436 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	437 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	438 T w = x % y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	439 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	440 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	441 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	442 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	443 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	444 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	445 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	446 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	447
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	448 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	449 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	450 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	451 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	452 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	453 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	454
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	455 // 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	456 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	457 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	458 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	459 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	460 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	461 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	462
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	463 #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	464
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	465 // 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	466
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	467 #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	468
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	469 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	470 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	471
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	472 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	473
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	474 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	475 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	476 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	477 {
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	478 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	479
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	480 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	481
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	482 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	483 retval = octave_int_base<uint64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	484 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	485 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	486
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	487 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	488 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	489
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	490 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	491 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	492 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	493 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	494 #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	495 return octave_external_uint64_uint64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	496 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	497 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	498 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	499 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	500
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	501 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	502
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	503 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	504 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	505 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	506 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	507
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	508 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	509
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	510 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	511 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	512 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	513 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	514 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	515 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	516
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	517 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	518 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	519 __signbit (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	520 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	521 return (x < 0) ? 1 : 0;
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 {
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	527 // -INT_MAX is safe because C++ actually allows only three
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	528 // implementations of integers: sign & magnitude, ones complement
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	529 // and twos complement. The first test will, with modest
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	530 // optimizations, evaluate at compile time, and maybe eliminate
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	531 // the branch completely.
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	532
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	533 return ((octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	534 && x == octave_int_base<T>::min_val ())
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	535 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	536 : ((x < 0) ? -x : x));
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	537 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	538
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	539 static T
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	540 signum (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	541 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	542 // 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	543 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	544 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	545
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	546 // 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	547 // 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	548 // not define signed shifts.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	549
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	550 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	551 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	552
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	553 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	554 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	555
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	556 // Minus has problems similar to abs.
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	557
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	558 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	559 minus (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	560 {
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	561 return ((octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	562 && x == octave_int_base<T>::min_val ())
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	563 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	564 : -x);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	565 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	566
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	567 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	568 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	569 {
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	570 // Avoid anything that may overflow.
25838 26c41d8bf170 fix min-val saturation for 64-bit integer addition (bug #54572) John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	571
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	572 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	573 ? (x < octave_int_base<T>::min_val () - y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	574 ? octave_int_base<T>::min_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	575 : x + y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	576 : (x > octave_int_base<T>::max_val () - y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	577 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	578 : x + y));
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	579 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	580
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	581 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	582 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	583 {
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	584 // Avoid anything that may overflow.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	585
25843 144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	586 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	587 ? (x > octave_int_base<T>::max_val () + y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	588 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	589 : x - y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	590 : (x < octave_int_base<T>::min_val () + y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	591 ? octave_int_base<T>::min_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572) John W. Eaton <jwe@octave.org> parents: 25838 diff changeset	592 : x - y));
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	593 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	594
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	595 // 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	596 // 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	597 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	598
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	599 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	600 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	601 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	602 // 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	603 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	604 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	605 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	606 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	607
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	608 // Division.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	609 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	610 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	611 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	612 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	613 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	614 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	615 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	616 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	617 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	618 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	619 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	620 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	621 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	622 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	623 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	624 // 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	625 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	626 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	627 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	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 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	631 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	632 // 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	633 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	634 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	635 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	636 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	637 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	638 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	639 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	640 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	641 // 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	642 // 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	643 // 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	644 T w = octave_int_abs (x % y);
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	645
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	646 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	647 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	648 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	649 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	650 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	651
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	652 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	653 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	654 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	655 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	656 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	657 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	658
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	659 // 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	660 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	661 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	662 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	663 if (y != 0)
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 T r = x % y;
25858 1f52a96c8c21 Fix mod operation for signed integer types (bug #54602). Gene Harvey <gharveymn@gmail.com> parents: 25843 diff changeset	666 return (r == 0) ? 0 : (((r < 0) != (y < 0)) ? r + y : r);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	667 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	668 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	669 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	670 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	671 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	672
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	673 #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	674
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	675 // 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	676
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	677 #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	678
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	679 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	680 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	681
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	682 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	683
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	684 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	685 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	686 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	687 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	688 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	689
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	690 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	691
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	692 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	693 retval = octave_int_base<int64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	694 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	695 retval = octave_int_base<int64_t>::min_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	696 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	697 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	698
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	699 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	700 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	701
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	702 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	703 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	704 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	705 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	706 #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	707 return octave_external_int64_int64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	708 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	709 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	710 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	711 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	712
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	713 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	714
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	715 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	716 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	717 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	718 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	719
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	720 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	721
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	722 // 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	723 template <typename T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	724 class octave_int_arith
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	725 : 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	726 { };
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	727
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	728 template <typename T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	729 class
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	730 octave_int : public octave_int_base<T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	731 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	732 public:
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	733 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	734
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	735 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	736
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	737 octave_int (T i) : ival (i) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	738
21354 06d15e4e611a move public data type macros to octave-config.h John W. Eaton <jwe@octave.org> parents: 21308 diff changeset	739 #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	740 // 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	741 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	742 : 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	743 { }
21235 b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411) Mike Miller <mtmiller@octave.org> parents: 19861 diff changeset	744 #endif
18627 37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	745
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	746 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	747
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	748 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	749
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	750 #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	751 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	752 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	753
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	754 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	755
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	756 template <typename U>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	757 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	758
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	759 template <typename U>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	760 octave_int (const octave_int<U>& i)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	761 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	762
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	763 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	764
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	765 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	766 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	767 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	768 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	769 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	770
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	771 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	772
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	773 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	774 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	775
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	776 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	777
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	778 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	779
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	780 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	781
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	782 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	783
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	784 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	785
7177 57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	786 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	787
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	788 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	789 operator + () const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	790 { return *this; }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	791
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	792 // unary operators & mappers
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	793 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	794 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	795 OPNAME () const \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	796 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	797 return octave_int_arith<T>::NAME (ival); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	798 }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	799
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	800 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	801 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	802 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	803
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	804 #undef OCTAVE_INT_UN_OP
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	805
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	806 // Homogeneous binary integer operations.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	807 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	808 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	809 operator OP (const ARGT& y) const \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	810 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	811 return octave_int_arith<T>::NAME (ival, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	812 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	813 inline octave_int<T>& \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	814 operator OP##= (const ARGT& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	815 { \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	816 ival = octave_int_arith<T>::NAME (ival, y); \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	817 return *this; \
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	818 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	819
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	820 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	821 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	822 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	823 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	824 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	825 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	826 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	827
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	828 #undef OCTAVE_INT_BIN_OP
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7198 diff changeset	829
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	830 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	831 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	832
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	833 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	834
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14168 diff changeset	835 static int byte_size (void) { return sizeof (T); }
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	836
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	837 static const char * type_name ();
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	838
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	839 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	840 static const octave_int zero, one;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	841
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	842 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	843 // You should not use it anywhere else.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	844 void * mex_get_data (void) const { return const_cast<T *> (&ival); }
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	845
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	846 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	847
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	848 T ival;
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
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	851 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	852 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	853 rem (const octave_int<T>& x, const octave_int<T>& y)
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	854 {
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	855 return octave_int_arith<T>::rem (x.value (), y.value ());
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	856 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	857
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	858 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	859 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	860 mod (const octave_int<T>& x, const octave_int<T>& y)
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	861 {
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	862 return octave_int_arith<T>::mod (x.value (), y.value ());
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	863 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	864
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	865 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	866
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	867 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	868 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	869 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	870 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	871 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	872 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	873 isnan (const octave_int<T>&)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	874 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	875 return false;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	876 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	877 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	878 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	879
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	880 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	881
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	882 template <typename T>
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	883 OCTAVE_DEPRECATED (4.2, "use 'octave::math::isnan' instead")
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	884 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	885 xisnan (const octave_int<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	886 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	887 return octave::math::isnan (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	888 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	889
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	890 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	891
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	892 // FIXME: can/should any of these be inline?
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	893
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	894 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	895 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	896 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	897
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	898 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	899 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	900 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	901
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	902 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	903 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	904 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	905
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	906 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	907 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	908 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	909
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	910 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	911 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	912 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	913
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	914 // 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	915 // 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	916 // one?
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	917 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	918 extern OCTAVE_API octave_int<T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	919 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	920
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	921 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	922 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	923 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	924
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	925 // Binary relations
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	926
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	927 #define OCTAVE_INT_CMP_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	928 template <typename T1, typename T2> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	929 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	930 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	931 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	932 return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> (x.value (), y.value ()); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	933 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	934
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	935 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	936 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	937 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	938 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	939 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	940 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	941
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	942 #undef OCTAVE_INT_CMP_OP
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	943
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	944 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	945 inline std::ostream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	946 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	947 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	948 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	949 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	950 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 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 std::istream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	954 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	955 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	956 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	957 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	958 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	959 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	960 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	961
18252 284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	962 // 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	963 // 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	964 // 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	965 // 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	966 // 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	967
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	968 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	969 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	970 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	971 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	972 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	973 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	974 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	975
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	976 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	977 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	978 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	979 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	980 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	981 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	982 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	983
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	984 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	985 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	986 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	987 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	988 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	989 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	990 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	991 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	992 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	993
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	994 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	995 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	996 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	997 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	998 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	999 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1000 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	1001 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1002 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1003
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1004 // Bitwise operations
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7598 diff changeset	1005
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1006 #define OCTAVE_INT_BITCMP_OP(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1007 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1008 octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1009 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1010 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1011 return x.value () OP y.value (); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1012 }
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1013
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1014 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1015 OCTAVE_INT_BITCMP_OP (\|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1016 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1017
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1018 #undef OCTAVE_INT_BITCMP_OP
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1019
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1020 // General bit shift.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1021 template <typename T>
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1022 octave_int<T>
4920 b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe] jwe parents: 4919 diff changeset	1023 bitshift (const octave_int<T>& a, int n,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1024 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	1025 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1026 if (n > 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1027 return (a << n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1028 else if (n < 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1029 return (a >> -n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1030 else
8963 d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1031 return a & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1032 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1033
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1034 #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	1035
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1036 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1037 extern OCTAVE_API T \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1038 external_double_ ## T ## _ ## OP (double x, T y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1039 extern OCTAVE_API T \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1040 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	1041
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1042 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1043 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1044 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1045 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1046 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	1047
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1048 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	1049 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	1050
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1051 #endif
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1052
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1053 #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	1054 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1055 inline octave_int<T> \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1056 operator OP (const octave_int<T>& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1057 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1058 return octave_int<T> (static_cast<double> (x) OP y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1059 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1060 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1061 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1062 operator OP (const double& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1063 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1064 return octave_int<T> (x OP static_cast<double> (y)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1065 }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1066
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1067 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1068 // 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	1069 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1070 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1071 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1072 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1073 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1074 operator OP (const double& x, const octave_int64& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1075 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1076 return external_double_octave_int64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1077 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1078 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1079 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1080 operator OP (const double& x, const octave_uint64& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1081 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1082 return external_double_octave_uint64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1083 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1084 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1085 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1086 operator OP (const octave_int64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1087 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1088 return external_octave_int64_double_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1089 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1090 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1091 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1092 operator OP (const octave_uint64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1093 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1094 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	1095 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1096 #else
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1097 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1098 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1099 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1100 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1101 operator OP (const double& x, const octave_int64& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1102 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1103 return octave_int64 (x OP static_cast<long double> (y.value ())); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1104 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1105 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1106 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1107 operator OP (const double& x, const octave_uint64& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1108 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1109 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1110 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1111 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1112 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1113 operator OP (const octave_int64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1114 { \
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1115 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1116 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1117 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1118 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1119 operator OP (const octave_uint64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1120 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1121 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1122 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1123 #endif
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1124 #else
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1125 // 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	1126 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1127 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1128 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1129 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1130 operator OP (const double&, const octave_int64&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1131 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1132 OCTAVE_API octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1133 operator OP (const double&, const octave_uint64&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1134 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1135 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1136 operator OP (const octave_int64&, const double&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1137 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1138 OCTAVE_API octave_uint64 \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1139 operator OP (const octave_uint64&, const double&);
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1140
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1141 #endif
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1142
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1143 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	1144 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	1145 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	1146 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1147
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1148 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1149 #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	1150 #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	1151 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1152
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1153 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1154 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1155 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1156 operator OP (const octave_int<T>& x, const double& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1157 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1158 return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1159 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1160 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1161 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1162 operator OP (const double& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1163 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1164 return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1165 }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1166
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1167 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1168 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1169 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1170 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1171 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1172 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1173
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1174 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1175
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1176 // Floats are handled by simply converting to doubles.
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1177
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1178 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1179 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1180 inline octave_int<T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1181 operator OP (const octave_int<T>& x, float y) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1182 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1183 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1184 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1185 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1186 inline octave_int<T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1187 operator OP (float x, const octave_int<T>& y) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1188 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1189 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1190 }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1191
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1192 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1193 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1194 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1195 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1196
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1197 #undef OCTAVE_INT_FLOAT_BIN_OP
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1198
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1199 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1200 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1201 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1202 operator OP (const octave_int<T>& x, const float& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1203 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1204 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1205 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1206 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1207 bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1208 operator OP (const float& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1209 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1210 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1211 }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1212
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1213 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1214 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1215 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1216 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1217 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1218 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1219
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1220 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1221
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1222 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1223 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1224 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	1225 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1226 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	1227 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1228 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	1229 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1230
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1231 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1232 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1233 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	1234 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1235 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	1236 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1237 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	1238 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1239
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1240 #endif

Mercurial > octave

annotate liboctave/util/oct-inttypes.h @ 25858:1f52a96c8c21 stable