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

annotate liboctave/util/oct-inttypes.h @ 21782:2aef506f3fec

use namespace for lo-mappers.h functions * lo-mappers.h, lo-mappers.cc (acos, arg, asin, atan, ceil, conj, copysign, exp2, finite, fix, floor, imag, is_NA, is_NaN_or_NA, isinf, isinteger, isnan, log2, max, min, mod, negative_sign, nint, nint_big, positive_sign, rc_acos, rc_acosh, rc_asin, rc_atanh, rc_log, rc_log10, rc_log2, rc_sqrt, real, rem, round, roundb, signbit, signum, trunc, x_nint): Define in octave::math namespace. Deprecate old names. Change all uses. * oct-inttypes.h: Put round and isnan functions in octave::math namespace and rename from xround and xisnan. Change all uses.

author	John W. Eaton <jwe@octave.org>
date	Wed, 25 May 2016 16:51:16 -0400
parents	b571fc85953f
children	c9f8a7f7915e

rev	line source
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1 /*
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18634 diff changeset	3 Copyright (C) 2004-2015 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10436 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	5
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	7
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	11 option) any later version.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	12
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	16 for more details.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	17
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	20 <http://www.gnu.org/licenses/>.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	21
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	22 */
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	23
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19861 diff changeset	24 #if ! defined (octave_oct_inttypes_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17769 diff changeset	25 #define octave_oct_inttypes_h 1
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	26
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	27 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	29 #include <cstdlib>
6482 7e958a1532c6 [project @ 2007-04-04 02:37:07 by jwe] jwe parents: 6402 diff changeset	30
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	31 #include <limits>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	32 #include <iosfwd>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	33
8731 5abe5ae55465 use lo-traits in oct-inttypes Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	34 #include "lo-traits.h"
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	35 #include "lo-math.h"
4969 52f808101130 [project @ 2004-09-08 02:44:04 by jwe] jwe parents: 4968 diff changeset	36 #include "lo-mappers.h"
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	37
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	38 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	39
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	40 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	41 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	42 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	43 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	44 inline long double round (long double x) { return roundl (x); }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	45
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	46 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	47 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	48 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	49
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	50 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	51
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	52 OCTAVE_DEPRECATED ("use 'octave::math::isnan' instead")
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	53 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	54
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	55 OCTAVE_DEPRECATED ("use 'octave::math::isnan' instead")
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	56 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	57
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	58 #endif
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	59
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	60 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	61
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	62 // 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	63 // 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	64 // 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	65 template <typename T>
8293 ad5bb02d267a workaround missing std::abs(int64_t) in MSVC Jaroslav Hajek <highegg@gmail.com> parents: 8202 diff changeset	66 inline T octave_int_abs (T x) { return x >= 0 ? x : -x; }
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC Jaroslav Hajek <highegg@gmail.com> parents: 8202 diff changeset	67
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	68 // 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	69 template <int qsize, bool qsigned>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	70 struct query_integer_type
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	71 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	72 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	73 static const bool registered = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	74 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	75 // attempt to use it in computations.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	76 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	77
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	78 #define REGISTER_INT_TYPE(TYPE) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	79 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	80 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	81 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	82 public: \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	83 static const bool registered = true; \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	84 typedef TYPE type; \
7598 a89b3fa632ee partial specialization for octave_int_fit_to_range John W. Eaton <jwe@octave.org> parents: 7596 diff changeset	85 }
7596 6929e40fc597 compatible handling of NaN -> int conversions John W. Eaton <jwe@octave.org> parents: 7534 diff changeset	86
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	87 // No two registered integers can share sizeof and signedness.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	88 REGISTER_INT_TYPE (int8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	89 REGISTER_INT_TYPE (uint8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	90 REGISTER_INT_TYPE (int16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	91 REGISTER_INT_TYPE (uint16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	92 REGISTER_INT_TYPE (int32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	93 REGISTER_INT_TYPE (uint32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	94 REGISTER_INT_TYPE (int64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	95 REGISTER_INT_TYPE (uint64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	96
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	97 // 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	98 // 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	99 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	100 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	101 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	102 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	103 public: \
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	104 static const bool ltval = (0 OP 1); \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	105 static const bool gtval = (1 OP 0); \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	106 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	107 static bool op (T x, T y) { return x OP y; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	108 }
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 // 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	111 // yielding always false.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	112 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	113 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	114 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	115 public: \
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	116 static const bool ltval = value; \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	117 static const bool gtval = value; \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	118 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	119 static bool op (T, T) { return value; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	120 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	121
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	122 // 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	123 class octave_int_cmp_op
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	124 {
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	125 // 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	126 // 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	127 // 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	128 // wider.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	129 // 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	130 // size.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	131 template <typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	132 class prom
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	133 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	134 // Promote to int?
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	135 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	136 && sizeof (T2) < sizeof (int));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	137 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	138 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	139 static const bool psig =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	140 (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	141 static const int psize =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	142 (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	143 ? sizeof (T2) : sizeof (T1)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	144 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	145 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	146 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	147
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	148 // Implements comparisons between two types of equal size but
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	149 // possibly different signedness.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	150 template <typename xop, int size>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	151 class uiop
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	152 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	153 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	154 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	155 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	156 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	157 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	158 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	159 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	160 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	161 { 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	162 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	163 { 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	164 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	165
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	166 public:
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	167 REGISTER_OCTAVE_CMP_OP (lt, <);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	168 REGISTER_OCTAVE_CMP_OP (le, <=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	169 REGISTER_OCTAVE_CMP_OP (gt, >);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	170 REGISTER_OCTAVE_CMP_OP (ge, >=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	171 REGISTER_OCTAVE_CMP_OP (eq, ==);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	172 REGISTER_OCTAVE_CMP_OP (ne, !=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	173 REGISTER_OCTAVE_CONST_OP (ct, true);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	174 REGISTER_OCTAVE_CONST_OP (cf, false);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	175
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	176 // Universal comparison operation.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	177 template <typename xop, typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	178 static bool
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	179 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	180 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	181 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	182 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	183 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	184 static_cast<PT2> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	185 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	186
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	187 public:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	188
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	189 // Mixed comparisons
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 T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	191 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	192 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	193 { return xop::op (static_cast<double> (x), y); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	194
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	195 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	196 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	197 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	198 { return xop::op (x, static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	199
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	200 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	201 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	202 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	203 external_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	204 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	205 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	206
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	207 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	208 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	209 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	210
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	211 // 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	212 // they lose precision.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	213 // 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	214 #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	215 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	216 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	217 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	218 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	219 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	220 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	221 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	222 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	223 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	224 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	225 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	226 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	227 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	228 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	229 # else
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	230 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	231 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	232 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	233 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	234 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	235 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	236 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	237 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	238 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	239 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	240 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	241 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	242 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	243 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	244 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	245 # endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	246 #else
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	247 // ... 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	248
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	249 // 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	250 // 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	251 // explicit instantiations later in that case.
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	252 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	253 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	254 emulate_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	255 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	256 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	257 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	258 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	259 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	260 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	261 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	262 emulate_mop (T, double); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	263 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	264 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	265 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	266 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	267 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	268 }
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	269 #endif
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	270
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	271 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	272 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	273
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	274 #undef DEFINE_LONG_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	275 };
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	276
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	277 // 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	278 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	279 class octave_int_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	280 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	281 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	282
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	283 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	284 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	285
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	286 // Convert integer value.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	287 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	288 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	289 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	290 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	291 // 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	292 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	293 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	294 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	295 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	296
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	297 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	298 (! 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	299 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	300 (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	301 && (! 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	302 // 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	303 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	304 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	305 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	306 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	307 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	308
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	309 // 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	310 // 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	311 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	312 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	313 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	314 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	315 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	316 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	317 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	318 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	319 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	320 return static_cast<T> (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	321 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	322
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	323 private:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	324
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	325 // 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	326 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	327 static S
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	328 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	329 {
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	330 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	331 // 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	332 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	333 // 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	334 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	335 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	336 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	337
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	338 public:
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	339
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	340 // 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	341 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	342 static T
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 21235 diff changeset	343 convert_real (const S& value);
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	344 };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	345
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	346 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	347 // 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	348 // 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	349 // 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	350
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	351 template <typename T, bool is_signed>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	352 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	353 { };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	354
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	355 // 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	356 // 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	357 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	358 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	359 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	360 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	361
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	362 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	363 abs (T x) { return x; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	364
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	365 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	366 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	367
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	368 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	369 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	370 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	371
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	372 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	373 lshift (T x, int n) { return x << n; }
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
10405 cc69a17ec801 remove integer math warnings Jaroslav Hajek <highegg@gmail.com> parents: 10346 diff changeset	376 minus (T)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	377 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	378 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	379 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	380
21308 c53bfd6d8e08 maint: Use American spelling for "behavior". Rik <rik@octave.org> parents: 21302 diff changeset	381 // 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	382 // so the following should always work.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	383 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	384 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	385 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	386 T u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	387 if (u < x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	388 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	389 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	390 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	391 return u;
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
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	394 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	395 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	396 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	397 T u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	398 if (u > x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	399 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	400 u = 0;
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 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	403 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	404
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	405 // 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	406 // 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	407 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	408
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	409 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	410 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	411 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	412 // 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	413 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	414 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	415 * static_cast<mptype> (y));
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 // 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	419 // computed by a single instruction.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	420 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	421 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	422 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	423 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	424 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	425 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	426 T w = x % y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	427 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	428 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	429 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	430 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	431 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	432 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	433 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	434 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	435
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	436 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	437 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	438 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	439 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	440 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	441 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	442
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	443 // 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	444 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	445 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	446 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	447 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	448 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	449 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	450
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	451 #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	452
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	453 // 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	454
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	455 #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	456
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	457 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	458 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	459
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	460 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	461
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	462 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	463 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	464 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	465 {
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	466 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	467
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	468 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	469
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	470 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	471 retval = octave_int_base<uint64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	472 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	473 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	474
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	475 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	476 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	477
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	478 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	479 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	480 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	481 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	482 #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	483 return octave_external_uint64_uint64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	484 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	485 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	486 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	487 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	488
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	489 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	490
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	491 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	492 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	493 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	494 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	495
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	496 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	497
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	498 // Signed integer arithmetic.
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	499 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	500 // 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	501 // conditions should hold:
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	502 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	503 // 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	504 // <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	505 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	506 // 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	507 // 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	508 // zero-cost).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	509 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	510 // 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	511 // 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	512 // 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	513 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	514 // 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	515 // integers, except for the shifts. Shifts are arithmetic.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	516 //
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	517 // 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	518 // 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	519 // 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	520 // 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	521 // 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	522 // only uses assumptions guaranteed by the standard.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	523
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	524 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	525 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	526 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	527 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	528 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	529 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	530
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	531 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	532 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	533 __signbit (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	534 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	535 #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	536 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	537 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	538 return (x < 0) ? 1 : 0;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	539 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	540 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	541
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	542 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	543 abs (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	544 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	545 #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	546 // 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	547 // 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	548 // discard the following test.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	549 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	550 T y = (x ^ m) - m;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	551 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	552 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	553 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	554 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	555 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	556 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	557 // -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	558 // 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	559 // 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	560 // 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	561 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	562 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	563 && 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	564 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	565 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	566 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	567 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	568 y = (x < 0) ? -x : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	569 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	570 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	571 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	572
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	573 static T
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	574 signum (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	575 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	576 // 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	577 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	578 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	579
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	580 // 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	581 // 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	582 // not define signed shifts.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	583
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	584 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	585 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	586
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	587 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	588 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	589
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	590 // Minus has problems similar to abs.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	591 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	592 minus (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	593 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	594 #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	595 T y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	596 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	597 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	598 --y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	599 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	600 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	601 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	602 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	603 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	604 && 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	605 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	606 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	607 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	608 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	609 y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	610 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	611 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	612 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	613
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	614 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	615 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	616 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	617 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	618 // 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	619 // 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	620 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	621 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	622 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	623 T uy = u ^ y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	624 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	625 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	626 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	627 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	628 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	629 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	630 // 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	631 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	632 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	633 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	634 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	635 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	636 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	637 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	638 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	639 u = x + y;
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 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	642 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	643 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	644 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	645 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	646 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	647 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	648 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	649 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	650
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	651 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	652 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	653 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	654
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	655 // This is very similar to addition.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	656 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	657 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	658 {
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	659 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	660 // 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	661 // 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	662 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	663 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	664 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	665 T uy = u ^ ~y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	666 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	667 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	668 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	669 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	670 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	671 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	672 // 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	673 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	674 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	675 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	676 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	677 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	678 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	679 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	680 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	681 u = x - y;
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 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	684 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	685 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	686 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	687 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	688 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	689 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	690 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	691 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	692
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	693 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	694 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	695 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	696
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	697 // 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	698 // 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	699 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	700
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	701 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	702 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	703 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	704 // 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	705 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	706 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	707 * static_cast<mptype> (y));
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
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	710 // Division.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	711 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	712 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	713 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	714 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	715 if (y == 0)
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 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	718 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	719 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	720 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	721 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	722 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	723 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	724 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	725 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	726 // 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	727 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	728 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	729 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	730 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	731 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	732 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	733 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	734 // 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	735 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	736 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	737 z -= 1 - (__signbit (x) << 1);
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 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	740 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	741 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	742 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	743 // 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	744 // 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	745 // 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	746 T w = octave_int_abs (x % y);
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	747
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	748 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	749 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	750 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	751 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	752 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	753
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	754 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	755 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	756 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	757 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	758 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	759 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	760
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	761 // 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	762 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	763 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	764 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	765 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	766 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	767 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	768 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	769 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	770 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	771 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	772 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	773 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	774
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	775 #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	776
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	777 // 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	778
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	779 #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	780
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	781 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	782 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	783
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	784 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	785
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	786 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	787 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	788 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	789 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	790 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	791
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	792 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	793
21302 8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h John W. Eaton <jwe@octave.org> parents: 21245 diff changeset	794 // 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	795 // 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	796 // 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	797 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	798 retval = octave_int_base<int64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	799 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	800 retval = octave_int_base<int64_t>::min_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	801 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	802 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	803
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	804 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	805 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	806
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	807 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	808 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	809 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	810 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	811 #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	812 return octave_external_int64_int64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	813 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	814 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	815 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	816 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	817
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	818 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	819
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	820 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	821 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	822 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	823 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	824
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	825 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	826
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	827 // 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	828 template <typename T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	829 class octave_int_arith
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	830 : 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	831 { };
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	832
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	833 template <typename T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	834 class
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	835 octave_int : public octave_int_base<T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	836 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	837 public:
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	838 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	839
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	840 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	841
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	842 octave_int (T i) : ival (i) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	843
21354 06d15e4e611a move public data type macros to octave-config.h John W. Eaton <jwe@octave.org> parents: 21308 diff changeset	844 #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	845 // 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	846 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	847 : 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	848 { }
21235 b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411) Mike Miller <mtmiller@octave.org> parents: 19861 diff changeset	849 #endif
18627 37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	850
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	851 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	852
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	853 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	854
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	855 #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	856 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	857 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	858
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	859 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	860
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	861 template <typename U>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	862 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	863
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	864 template <typename U>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	865 octave_int (const octave_int<U>& i)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	866 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	867
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	868 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	869
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	870 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	871 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	872 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	873 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	874 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	875
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	876 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	877
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	878 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	879 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	880
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	881 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	882
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	883 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	884
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	885 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	886
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	887 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	888
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	889 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	890
7177 57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	891 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	892
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	893 // char and bool operators intentionally omitted.
5533 667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5420 diff changeset	894
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	895 operator double (void) const { return double_value (); }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	896
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	897 operator float (void) const { return float_value (); }
5030 160365410ad4 [project @ 2004-09-24 03:22:23 by jwe] jwe parents: 5029 diff changeset	898
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	899 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	900 operator + () const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	901 { return *this; }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	902
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	903 // unary operators & mappers
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	904 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	905 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	906 OPNAME () const \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	907 { return octave_int_arith<T>::NAME (ival); }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	908
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	909 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	910 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	911 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	912
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	913 #undef OCTAVE_INT_UN_OP
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	914
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	915 // Homogeneous binary integer operations.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	916 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	917 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	918 operator OP (const ARGT& y) const \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	919 { return octave_int_arith<T>::NAME (ival, y); } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	920 inline octave_int<T>& \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	921 operator OP##= (const ARGT& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	922 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	923 ival = octave_int_arith<T>::NAME (ival, y); \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	924 return *this; \
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	925 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	926
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	927 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	928 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	929 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	930 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	931 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	932 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	933 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	934
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	935 #undef OCTAVE_INT_BIN_OP
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7198 diff changeset	936
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	937 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	938 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	939
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	940 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	941
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14168 diff changeset	942 static int byte_size (void) { return sizeof (T); }
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	943
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	944 static const char *type_name ();
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	945
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	946 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	947 static const octave_int zero, one;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	948
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	949 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	950 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	951 void mex_get_data (void) const { return const_cast<T > (&ival); }
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	952
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	953 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	954
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	955 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	956 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	957
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	958 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	959 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	960 rem (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	961 { return octave_int_arith<T>::rem (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	962
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	963 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	964 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	965 mod (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	966 { return octave_int_arith<T>::mod (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	967
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	968 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	969
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	970 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	971 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	972 namespace math
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	973 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	974 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	975 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	976 isnan (const octave_int<T>&)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	977 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	978 return false;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	979 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	980 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	981 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	982
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	983 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	984
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	985 template <typename T>
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	986 OCTAVE_DEPRECATED ("use 'octave::math::isnan' instead")
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	987 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	988 xisnan (const octave_int<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	989 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	990 return octave::math::isnan (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	991 }
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 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	994
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	995 // FIXME: can/should any of these be inline?
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	996
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	997 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	998 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	999 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1000
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1001 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1002 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1003 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1004
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1005 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1006 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1007 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	1008
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1009 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1010 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	1011 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	1012
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1013 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1014 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	1015 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	1016
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1017 // 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	1018 // 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	1019 // one?
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>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1021 extern OCTAVE_API octave_int<T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1022 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	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>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1026 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1027
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1028 // Binary relations
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1029
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1030 #define OCTAVE_INT_CMP_OP(OP, NAME) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1031 template <typename T1, typename T2> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1032 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1033 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1034 { return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1035 (x.value (), y.value ()); }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1036
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1037 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1038 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1039 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1040 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1041 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1042 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1043
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1044 #undef OCTAVE_INT_CMP_OP
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1045
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1046 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1047 inline std::ostream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1048 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1049 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1050 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1051 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1052 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1053
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1054 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1055 inline std::istream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1056 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1057 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1058 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1059 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1060 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1061 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1062 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1063
18252 284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1064 // 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	1065 // 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	1066 // 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	1067 // 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	1068 // 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	1069
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1070 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1071 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	1072 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	1073 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1074 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	1075 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1076 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1077
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1078 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1079 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	1080 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	1081 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1082 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	1083 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1084 }
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
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1087 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1088 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	1089 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	1090 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1091 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	1092 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1093 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	1094 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1095 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1096
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1097 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1098 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	1099 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	1100 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1101 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	1102 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1103 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	1104 return is;
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
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1107
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1108 // Bitwise operations
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7598 diff changeset	1109
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1110 #define OCTAVE_INT_BITCMP_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1111 template <typename T> \
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1112 octave_int<T> \
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1113 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1114 { return x.value () OP y.value (); }
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1115
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1116 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1117 OCTAVE_INT_BITCMP_OP (\|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1118 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1119
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1120 #undef OCTAVE_INT_BITCMP_OP
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1121
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1122 // General bit shift.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1123 template <typename T>
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1124 octave_int<T>
4920 b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe] jwe parents: 4919 diff changeset	1125 bitshift (const octave_int<T>& a, int n,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1126 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	1127 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1128 if (n > 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1129 return (a << n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1130 else if (n < 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1131 return (a >> -n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1132 else
8963 d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1133 return a & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1134 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1135
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1136 typedef octave_int<int8_t> octave_int8;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1137 typedef octave_int<int16_t> octave_int16;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1138 typedef octave_int<int32_t> octave_int32;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1139 typedef octave_int<int64_t> octave_int64;
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1140
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1141 typedef octave_int<uint8_t> octave_uint8;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1142 typedef octave_int<uint16_t> octave_uint16;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1143 typedef octave_int<uint32_t> octave_uint32;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1144 typedef octave_int<uint64_t> octave_uint64;
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1145
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1146 #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	1147
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1148 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1149 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1150 external_double_ ## T ## _ ## OP (double x, T y); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1151 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1152 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	1153
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1154 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1155 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1156 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1157 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1158 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	1159
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1160 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	1161 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	1162
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1163 #endif
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1164
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1165 #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	1166 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1167 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1168 operator OP (const octave_int<T>& x, const double& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1169 { return octave_int<T> (static_cast<double> (x) OP y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1170 template <typename T> \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1171 inline octave_int<T> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1172 operator OP (const double& x, const octave_int<T>& y) \
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19739 diff changeset	1173 { return octave_int<T> (x OP static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1174
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21574 diff changeset	1175 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1176 // 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	1177 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1178 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1179 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1180 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1181 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1182 operator OP (const double& x, const octave_int64& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1183 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1184 return external_double_octave_int64_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1185 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1186 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1187 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1188 operator OP (const double& x, const octave_uint64& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1189 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1190 return external_double_octave_uint64_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1191 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1192 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1193 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1194 operator OP (const octave_int64& x, const double& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1195 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1196 return external_octave_int64_double_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1197 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1198 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1199 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1200 operator OP (const octave_uint64& x, const double& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1201 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1202 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	1203 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1204 #else
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1205 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1206 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1207 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1208 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1209 operator OP (const double& x, const octave_int64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1210 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1211 return octave_int64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1212 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1213 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1214 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1215 operator OP (const double& x, const octave_uint64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1216 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1217 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1218 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1219 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1220 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1221 operator OP (const octave_int64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1222 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1223 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1224 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1225 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1226 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1227 operator OP (const octave_uint64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1228 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1229 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1230 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1231 #endif
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1232 #else
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1233 // 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	1234 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1235 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1236 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1237 OCTAVE_API octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1238 operator OP (const double&, const octave_int64&); \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1239 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1240 OCTAVE_API octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1241 operator OP (const double&, const octave_uint64&); \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1242 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1243 OCTAVE_API octave_int64 \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1244 operator OP (const octave_int64&, const double&); \
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	1245 template <> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1246 OCTAVE_API octave_uint64 \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1247 operator OP (const octave_uint64&, const double&);
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1248
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1249 #endif
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1250
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1251 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	1252 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	1253 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	1254 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1255
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1256 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1257 #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	1258 #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	1259 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1260
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1261 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1262 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1263 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1264 operator OP (const octave_int<T>& x, const double& y) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1265 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1266 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1267 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1268 operator OP (const double& x, const octave_int<T>& y) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1269 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1270
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1271 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1272 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1273 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1274 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1275 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1276 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1277
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1278 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1279
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1280 // Floats are handled by simply converting to doubles.
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1281
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1282 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1283 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1284 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1285 operator OP (const octave_int<T>& x, float y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1286 { return x OP static_cast<double> (y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1287 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1288 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1289 operator OP (float x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1290 { return static_cast<double> (x) OP y; }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1291
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1292 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1293 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1294 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1295 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1296
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1297 #undef OCTAVE_INT_FLOAT_BIN_OP
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1298
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1299 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1300 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1301 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1302 operator OP (const octave_int<T>& x, const float& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1303 { return x OP static_cast<double> (y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1304 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1305 bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1306 operator OP (const float& x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1307 { return static_cast<double> (x) OP y; }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1308
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1309 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1310 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1311 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1312 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1313 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1314 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1315
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1316 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1317
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1318 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1319 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1320 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	1321 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1322 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	1323 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1324 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	1325 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1326
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1327 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1328 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1329 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	1330 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1331 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	1332 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1333 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	1334 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1335
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1336 #endif

Mercurial > octave

annotate liboctave/util/oct-inttypes.h @ 21782:2aef506f3fec