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

annotate liboctave/util/oct-inttypes.h @ 23643:3dc16b35ba2c

Use round, roundf, roundl from C++ std library. These functions are guaranteed to be part of C++11 standard library. * configure.ac: Remove AC_CHECK_FUNCS, AC_CHECK_DECLS for round. * lo-mappers.cc: Delegate to std::round or std::roundf. * oct-inttypes.h: #include <cmath>. Delegate to std::roundl.

author	Rik <rik@octave.org>
date	Mon, 19 Jun 2017 09:09:27 -0700
parents	be7b884ac589
children	bd77ab816e43

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
23219 3ac9f9ecfae5 maint: Update copyright dates. John W. Eaton <jwe@octave.org> parents: 23083 diff changeset	3 Copyright (C) 2004-2017 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10436 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	5
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	7
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
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
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22416 diff changeset	10 the Free Software Foundation; either version 3 of the License, or
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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	20 <http://www.gnu.org/licenses/>.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	21
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	22 */
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	23
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19861 diff changeset	24 #if ! defined (octave_oct_inttypes_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17769 diff changeset	25 #define octave_oct_inttypes_h 1
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	26
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	27 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28
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
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	35 #include "lo-math.h"
4969 52f808101130 [project @ 2004-09-08 02:44:04 by jwe] jwe parents: 4968 diff changeset	36 #include "lo-mappers.h"
22073 d18c63a45070 wrappers for setting long double rounding mode (bug #48319) John W. Eaton <jwe@octave.org> parents: 22022 diff changeset	37 #include "lo-traits.h"
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	38
21785 c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	39 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	40
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<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	42 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	43 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	44 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	45
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<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	47 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	48 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	49 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	50
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	51 #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	52
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	53 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	54 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	55 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	56 {
23643 3dc16b35ba2c Use round, roundf, roundl from C++ std library. Rik <rik@octave.org> parents: 23615 diff changeset	57 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	58
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	59 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	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
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	63 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	64
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	65 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	66 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	67
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	68 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	69 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	70
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	71 #endif
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	72
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	73 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	74
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	75 // 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	76 // 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	77 // 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	78 template <typename T>
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23446 diff changeset	79 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	80
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	81 // 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	82 template <int qsize, bool qsigned>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	83 struct query_integer_type
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	84 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	85 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	86 static const bool registered = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	87 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	88 // attempt to use it in computations.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	89 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	90
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	91 #define REGISTER_INT_TYPE(TYPE) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	92 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	93 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	94 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	95 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	96 static const bool registered = true; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	97 typedef TYPE type; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	98 }
7596 6929e40fc597 compatible handling of NaN -> int conversions John W. Eaton <jwe@octave.org> parents: 7534 diff changeset	99
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	100 // No two registered integers can share sizeof and signedness.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	101 REGISTER_INT_TYPE (int8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	102 REGISTER_INT_TYPE (uint8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	103 REGISTER_INT_TYPE (int16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	104 REGISTER_INT_TYPE (uint16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	105 REGISTER_INT_TYPE (int32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	106 REGISTER_INT_TYPE (uint32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	107 REGISTER_INT_TYPE (int64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	108 REGISTER_INT_TYPE (uint64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	109
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	110 // 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	111 // 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	112 // 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	113 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	114 class NM \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	115 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	116 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	117 static const bool ltval = (0 OP 1); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	118 static const bool gtval = (1 OP 0); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	119 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	120 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	121 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	122
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	123 // 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	124 // yielding always false.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	125 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	126 class NM \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	127 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	128 public: \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	129 static const bool ltval = value; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	130 static const bool gtval = value; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	131 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	132 static bool op (T, T) { return value; } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	133 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	134
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	135 // 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	136 class octave_int_cmp_op
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	137 {
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	138 // 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	139 // 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	140 // 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	141 // wider.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	142 // 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	143 // size.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	144 template <typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	145 class prom
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	146 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	147 // Promote to int?
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	148 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	149 && sizeof (T2) < sizeof (int));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	150 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	151 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	152 static const bool psig =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	153 (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	154 static const int psize =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	155 (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	156 ? sizeof (T2) : sizeof (T1)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	157 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	158 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	159 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	160
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	161 // Implements comparisons between two types of equal size but
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	162 // possibly different signedness.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	163 template <typename xop, int size>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	164 class uiop
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	165 {
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, false>::type utype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	167 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	168 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	169 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	170 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	171 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	172 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	173 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	174 { 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	175 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	176 { 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	177 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	178
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	179 public:
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	180 REGISTER_OCTAVE_CMP_OP (lt, <);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	181 REGISTER_OCTAVE_CMP_OP (le, <=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	182 REGISTER_OCTAVE_CMP_OP (gt, >);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	183 REGISTER_OCTAVE_CMP_OP (ge, >=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	184 REGISTER_OCTAVE_CMP_OP (eq, ==);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	185 REGISTER_OCTAVE_CMP_OP (ne, !=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	186 REGISTER_OCTAVE_CONST_OP (ct, true);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	187 REGISTER_OCTAVE_CONST_OP (cf, false);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	188
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	189 // Universal comparison operation.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	190 template <typename xop, typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	191 static bool
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	192 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	193 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	194 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	195 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	196 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	197 static_cast<PT2> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	198 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	199
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	200 public:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	201
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	202 // Mixed comparisons
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	203 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	204 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	205 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	206 { return xop::op (static_cast<double> (x), y); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	207
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	208 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	209 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	210 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	211 { return xop::op (x, static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	212
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	213 #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	214 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	215 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	216 external_mop (double, T); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	217 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	218 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	219
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	220 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	221 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	222 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	223
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	224 // 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	225 // they lose precision.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	226 // 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	227 #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	228 # 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	229 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	230 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	231 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	232 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	233 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	234 return external_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	235 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	236 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	237 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	238 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	239 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	240 return external_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	241 }
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	242 # else
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	243 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	244 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	245 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	246 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	247 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	248 return xop::op (static_cast<long double> (x), \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	249 static_cast<long double> (y)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	250 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	251 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	252 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	253 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	254 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	255 return xop::op (static_cast<long double> (x), \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	256 static_cast<long double> (y)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	257 }
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	258 # endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	259 #else
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	260 // ... 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	261
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	262 // 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	263 // 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	264 // explicit instantiations later in that case.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	265 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	266 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	267 emulate_mop (double, T); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	268 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	269 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	270 mop (double x, T y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	271 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	272 return emulate_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	273 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	274 template <typename xop> static OCTAVE_API bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	275 emulate_mop (T, double); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	276 template <typename xop> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	277 static bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	278 mop (T x, double y) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	279 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	280 return emulate_mop<xop> (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	281 }
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	282 #endif
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	283
18017 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(int64_t)
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	285 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	286
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	287 #undef DEFINE_LONG_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	288 };
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	289
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	290 // 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	291 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	292 class octave_int_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	293 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	294 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	295
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	296 static T min_val () { return std::numeric_limits<T>:: min (); }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	297 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	298
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	299 // Convert integer value.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	300 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	301 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	302 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	303 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	304 // 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	305 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	306 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	307 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	308 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	309
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	310 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	311 (! 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	312 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	313 (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	314 && (! 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	315 // 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	316 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	317 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	318 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	319 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	320 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	321
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	322 // 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	323 // 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	324 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	325 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	326 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	327 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	328 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	329 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	330 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	331 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	332 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	333 return static_cast<T> (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	334 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	335
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	336 private:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	337
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	338 // 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	339 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	340 static S
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	341 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	342 {
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	343 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	344 // 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	345 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	346 // 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	347 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	348 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	349 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	350
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	351 public:
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	352
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	353 // 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	354 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	355 static T
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	356 convert_real (const S& value);
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	357 };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	358
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	359 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	360 // 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	361 // 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	362 // 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	363
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	364 template <typename T, bool is_signed>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	365 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	366 { };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	367
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	368 // 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	369 // 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	370 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	371 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	372 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	373 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	374
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	375 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	376 abs (T x) { return x; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	377
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	378 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	379 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	380
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	381 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	382 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	383 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	384
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	385 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	386 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	387
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	388 static T
10405 cc69a17ec801 remove integer math warnings Jaroslav Hajek <highegg@gmail.com> parents: 10346 diff changeset	389 minus (T)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	390 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	391 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	392 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	393
21308 c53bfd6d8e08 maint: Use American spelling for "behavior". Rik <rik@octave.org> parents: 21302 diff changeset	394 // 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	395 // so the following should always work.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	396 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	397 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	398 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	399 T u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	400 if (u < x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	401 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	402 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	403 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	404 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	405 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	406
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	407 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	408 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	409 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	410 T u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	411 if (u > x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	412 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	413 u = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	414 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	415 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	416 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	417
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	418 // 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	419 // 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	420 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	421
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	422 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	423 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	424 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	425 // 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	426 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	427 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	428 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	429 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	430
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	431 // 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	432 // computed by a single instruction.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	433 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	434 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	435 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	436 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	437 {
18084 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 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	439 T w = x % y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	440 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	441 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	442 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	443 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	444 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	445 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	446 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	447 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	448
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	449 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	450 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	451 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	452 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	453 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	454 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	455
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	456 // 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	457 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	458 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	459 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	460 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	461 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	462 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	463
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	464 #if defined (OCTAVE_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	465
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	466 // 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	467
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	468 #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	469
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	470 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	471 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	472
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	473 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	474
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	475 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	476 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	477 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	478 {
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	479 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	480
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	481 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	482
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	483 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	484 retval = octave_int_base<uint64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	485 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	486 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	487
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	488 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	489 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	490
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	491 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	492 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	493 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	494 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	495 #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	496 return octave_external_uint64_uint64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	497 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	498 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	499 #endif
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
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	502 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	503
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	504 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	505 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	506 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	507 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	508
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	509 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	510
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	511 // Signed integer arithmetic.
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	512 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	513 // Rationale: If OCTAVE_HAVE_FAST_INT_OPS is defined, the following
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	514 // conditions should hold:
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	515 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	516 // 1. Signed numbers are represented by twos complement (see
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	517 // <http://en.wikipedia.org/wiki/Two%27s_complement>)
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	518 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	519 // 2. static_cast to unsigned int counterpart works like
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	520 // interpreting the signed bit pattern as unsigned (and is thus
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	521 // zero-cost).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	522 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	523 // 3. Signed addition and subtraction yield the same bit results as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	524 // unsigned. (We use casts to prevent optimization interference,
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	525 // so there is no need for things like -ftrapv).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	526 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	527 // 4. Bit operations on signed integers work like on unsigned
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	528 // integers, except for the shifts. Shifts are arithmetic.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	529 //
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	530 // The above conditions are satisfied by most modern platforms. If
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	531 // OCTAVE_HAVE_FAST_INT_OPS is defined, bit tricks and wraparound
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	532 // arithmetics are used to avoid conditional jumps as much as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	533 // possible, thus being friendly to modern pipeline processor
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	534 // architectures. Otherwise, we fall back to a bullet-proof code that
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	535 // only uses assumptions guaranteed by the standard.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	536
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	537 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	538 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	539 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	540 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	541 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	542 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	543
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	544 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	545 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	546 __signbit (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	547 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	548 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	549 return static_cast<UT> (x) >> std::numeric_limits<T>::digits;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	550 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	551 return (x < 0) ? 1 : 0;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	552 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	553 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	554
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	555 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	556 abs (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	557 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	558 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	559 // This is close to how GCC does std::abs, but we can't just use std::abs,
21308 c53bfd6d8e08 maint: Use American spelling for "behavior". Rik <rik@octave.org> parents: 21302 diff changeset	560 // because its behavior for INT_MIN is undefined and the compiler could
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	561 // discard the following test.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	562 T m = x >> std::numeric_limits<T>::digits;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	563 T y = (x ^ m) - m;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	564 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	565 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	566 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	567 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	568 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	569 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	570 // -INT_MAX is safe because C++ actually allows only three implementations
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	571 // of integers: sign & magnitude, ones complement and twos complement.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	572 // The first test will, with modest optimizations, evaluate at compile
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	573 // time, and maybe eliminate the branch completely.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	574 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	575 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	576 && 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	577 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	578 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	579 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	580 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	581 y = (x < 0) ? -x : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	582 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	583 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	584 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	585
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	586 static T
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	587 signum (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	588 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	589 // 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	590 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	591 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	592
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	593 // 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	594 // 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	595 // not define signed shifts.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	596
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	597 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	598 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	599
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	600 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	601 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	602
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	603 // Minus has problems similar to abs.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	604 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	605 minus (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	606 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	607 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	608 T y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	609 if (y == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	610 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	611 --y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	612 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	613 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	614 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	615 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	616 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	617 && 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	618 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	619 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	620 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	621 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	622 y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	623 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	624 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	625 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	626
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	627 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	628 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	629 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	630 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	631 // The typecasts do nothing, but they are here to prevent an optimizing
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	632 // compiler from interfering. Also, the signed operations on small types
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	633 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	634 T u = static_cast<UT> (x) + static_cast<UT> (y);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	635 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	636 T uy = u ^ y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	637 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	638 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	639 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	640 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	641 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	642 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	643 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	644 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	645 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	646 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	647 if (x < octave_int_base<T>::min_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	648 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	649 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	650 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	651 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	652 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	653 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	654 else
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 if (x > octave_int_base<T>::max_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	657 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	658 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	659 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	660 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	661 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	662 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	663
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	664 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	665 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	666 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	667
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	668 // This is very similar to addition.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	669 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	670 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	671 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	672 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	673 // The typecasts do nothing, but they are here to prevent an optimizing
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	674 // compiler from interfering. Also, the signed operations on small types
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	675 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	676 T u = static_cast<UT> (x) - static_cast<UT> (y);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	677 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	678 T uy = u ^ ~y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	679 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	680 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	681 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	682 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	683 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	684 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	685 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	686 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	687 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	688 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	689 if (x > octave_int_base<T>::max_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	690 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	691 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	692 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	693 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	694 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	695 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	696 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	697 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	698 if (x < octave_int_base<T>::min_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	699 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	700 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	701 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	702 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	703 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	704 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	705
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	706 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	707 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	708 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	709
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	710 // 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	711 // 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	712 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	713
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	714 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	715 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	716 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	717 // 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	718 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	719 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	720 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	721 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	722
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	723 // Division.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	724 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	725 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	726 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	727 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	728 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	729 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	730 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	731 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	732 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	733 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	734 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	735 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	736 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	737 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	738 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	739 // 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	740 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	741 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	742 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	743 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	744 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	745 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	746 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	747 // 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	748 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	749 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	750 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	751 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	752 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	753 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	754 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	755 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	756 // 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	757 // 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	758 // 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	759 T w = octave_int_abs (x % y);
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	760
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	761 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	762 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	763 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	764 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	765 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	766
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	767 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	768 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	769 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	770 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	771 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	772 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	773
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	774 // 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	775 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	776 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	777 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	778 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	779 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	780 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	781 return ((r < 0) != (y < 0)) ? r + y : r;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	782 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	783 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	784 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	785 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	786 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	787
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	788 #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	789
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	790 // 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	791
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	792 #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	793
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	794 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	795 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	796
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	797 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	798
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	799 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	800 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	801 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	802 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	803 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	804
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	805 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	806
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	807 // NOTE: We could maybe do it with a single branch if
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	808 // OCTAVE_HAVE_FAST_INT_OPS, but it would require one more runtime
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	809 // conversion, so the question is whether it would really be faster.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	810 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	811 retval = octave_int_base<int64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	812 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	813 retval = octave_int_base<int64_t>::min_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	814 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	815 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	816
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	817 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	818 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	819
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	820 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	821 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	822 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	823 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	824 #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	825 return octave_external_int64_int64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	826 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	827 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	828 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	829 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	830
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	831 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	832
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	833 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	834 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	835 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	836 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	837
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	838 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	839
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	840 // 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	841 template <typename T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	842 class octave_int_arith
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	843 : 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	844 { };
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	845
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	846 template <typename T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	847 class
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	848 octave_int : public octave_int_base<T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	849 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	850 public:
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	851 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	852
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	853 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	854
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	855 octave_int (T i) : ival (i) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	856
21354 06d15e4e611a move public data type macros to octave-config.h John W. Eaton <jwe@octave.org> parents: 21308 diff changeset	857 #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	858 // 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	859 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	860 : 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	861 { }
21235 b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411) Mike Miller <mtmiller@octave.org> parents: 19861 diff changeset	862 #endif
18627 37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	863
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	864 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	865
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	866 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	867
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	868 #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	869 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	870 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	871
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	872 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	873
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	874 template <typename U>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	875 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	876
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	877 template <typename U>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	878 octave_int (const octave_int<U>& i)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	879 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	880
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	881 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	882
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	883 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	884 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	885 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	886 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	887 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	888
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	889 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	890
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	891 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	892 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	893
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	894 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	895
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	896 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	897
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	898 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	899
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	900 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	901
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	902 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	903
7177 57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	904 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	905
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	906 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	907 operator + () const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	908 { return *this; }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	909
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	910 // unary operators & mappers
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	911 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	912 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	913 OPNAME () const \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	914 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	915 return octave_int_arith<T>::NAME (ival); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	916 }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	917
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	918 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	919 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	920 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	921
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	922 #undef OCTAVE_INT_UN_OP
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	923
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	924 // Homogeneous binary integer operations.
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	925 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	926 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	927 operator OP (const ARGT& y) const \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	928 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	929 return octave_int_arith<T>::NAME (ival, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	930 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	931 inline octave_int<T>& \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	932 operator OP##= (const ARGT& y) \
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 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	935 return *this; \
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	936 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	937
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	938 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	939 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	940 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	941 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	942 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	943 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	944 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	945
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	946 #undef OCTAVE_INT_BIN_OP
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7198 diff changeset	947
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	948 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	949 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	950
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	951 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	952
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14168 diff changeset	953 static int byte_size (void) { return sizeof (T); }
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	954
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	955 static const char * type_name ();
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	956
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	957 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	958 static const octave_int zero, one;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	959
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	960 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	961 // 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	962 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	963
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	964 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	965
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	966 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	967 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	968
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	969 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	970 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	971 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	972 {
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	973 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	974 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	975
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	976 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	977 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	978 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	979 {
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	980 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	981 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	982
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	983 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	984
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	985 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	986 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	987 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	988 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	989 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	990 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	991 isnan (const octave_int<T>&)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	992 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	993 return false;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	994 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	995 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	996 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	997
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	998 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	999
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1000 template <typename T>
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	1001 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	1002 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1003 xisnan (const octave_int<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1004 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1005 return octave::math::isnan (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1006 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1007
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	1008 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1009
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1010 // FIXME: can/should any of these be inline?
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	1011
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1012 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1013 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1014 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1015
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1016 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1017 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1018 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1019
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1020 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1021 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1022 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	1023
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1024 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1025 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	1026 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	1027
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1028 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1029 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	1030 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	1031
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1032 // 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	1033 // 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	1034 // one?
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1035 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1036 extern OCTAVE_API octave_int<T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1037 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	1038
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1039 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1040 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1041 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1042
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1043 // Binary relations
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1044
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1045 #define OCTAVE_INT_CMP_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1046 template <typename T1, typename T2> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1047 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1048 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	1049 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1050 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	1051 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1052
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1053 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1054 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1055 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1056 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1057 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1058 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1059
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1060 #undef OCTAVE_INT_CMP_OP
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1061
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1062 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1063 inline std::ostream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1064 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1065 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1066 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1067 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1068 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1069
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1070 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1071 inline std::istream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1072 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1073 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1074 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1075 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1076 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1077 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1078 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1079
18252 284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1080 // 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	1081 // 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	1082 // 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	1083 // 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	1084 // 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	1085
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1086 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1087 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	1088 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	1089 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1090 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	1091 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1092 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1093
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1094 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1095 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	1096 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	1097 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1098 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	1099 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1100 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1101
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1102 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1103 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	1104 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	1105 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1106 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	1107 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1108 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	1109 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1110 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1111
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1112 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1113 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	1114 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	1115 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1116 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	1117 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1118 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	1119 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1120 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1121
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1122 // Bitwise operations
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7598 diff changeset	1123
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1124 #define OCTAVE_INT_BITCMP_OP(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1125 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1126 octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1127 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	1128 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1129 return x.value () OP y.value (); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1130 }
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1131
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1132 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1133 OCTAVE_INT_BITCMP_OP (\|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1134 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1135
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1136 #undef OCTAVE_INT_BITCMP_OP
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1137
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1138 // General bit shift.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1139 template <typename T>
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1140 octave_int<T>
4920 b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe] jwe parents: 4919 diff changeset	1141 bitshift (const octave_int<T>& a, int n,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1142 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	1143 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1144 if (n > 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1145 return (a << n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1146 else if (n < 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1147 return (a >> -n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1148 else
8963 d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1149 return a & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1150 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1151
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1152 #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	1153
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1154 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1155 extern OCTAVE_API T \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1156 external_double_ ## T ## _ ## OP (double x, T y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1157 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	1158 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	1159
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1160 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1161 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1162 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1163 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	1164 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	1165
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1166 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	1167 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	1168
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1169 #endif
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1170
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1171 #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	1172 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1173 inline octave_int<T> \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1174 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	1175 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1176 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	1177 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1178 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1179 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1180 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	1181 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1182 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	1183 }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1184
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1185 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1186 // 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	1187 #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	1188 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1189 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1190 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1191 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1192 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	1193 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1194 return external_double_octave_int64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1195 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1196 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1197 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1198 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	1199 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1200 return external_double_octave_uint64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1201 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1202 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1203 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1204 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	1205 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1206 return external_octave_int64_double_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1207 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1208 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1209 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1210 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	1211 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1212 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	1213 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1214 #else
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1215 # 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	1216 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1217 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1218 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1219 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	1220 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1221 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	1222 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1223 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1224 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1225 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	1226 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1227 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	1228 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1229 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1230 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1231 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	1232 { \
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1233 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	1234 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1235 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1236 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1237 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	1238 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1239 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	1240 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1241 #endif
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1242 #else
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1243 // 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	1244 #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	1245 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1246 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1247 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1248 operator OP (const double&, const octave_int64&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1249 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1250 OCTAVE_API octave_uint64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1251 operator OP (const double&, const octave_uint64&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1252 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1253 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1254 operator OP (const octave_int64&, const double&); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1255 template <> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1256 OCTAVE_API octave_uint64 \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1257 operator OP (const octave_uint64&, const double&);
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1258
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1259 #endif
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1260
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1261 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	1262 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	1263 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	1264 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1265
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1266 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1267 #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	1268 #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	1269 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1270
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1271 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1272 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1273 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1274 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	1275 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1276 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	1277 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1278 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1279 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1280 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	1281 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1282 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	1283 }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1284
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1285 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1286 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1287 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1288 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1289 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1290 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1291
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1292 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1293
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1294 // Floats are handled by simply converting to doubles.
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1295
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1296 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1297 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1298 inline octave_int<T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1299 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	1300 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1301 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1302 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1303 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1304 inline octave_int<T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1305 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	1306 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1307 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1308 }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1309
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1310 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1311 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1312 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1313 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1314
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1315 #undef OCTAVE_INT_FLOAT_BIN_OP
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1316
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1317 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1318 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1319 inline bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1320 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	1321 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1322 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1323 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1324 template <typename T> \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1325 bool \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1326 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	1327 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1328 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22107 diff changeset	1329 }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1330
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1331 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1332 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1333 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1334 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1335 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1336 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1337
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1338 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1339
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1340 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1341 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1342 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	1343 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1344 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	1345 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1346 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	1347 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1348
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1349 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1350 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1351 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	1352 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1353 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	1354 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1355 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	1356 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1357
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1358 #endif

Mercurial > jwe > octave

annotate liboctave/util/oct-inttypes.h @ 23643:3dc16b35ba2c