Mercurial > hg > octave-nkf
annotate liboctave/oct-inttypes.h @ 7904:1fddd9b8e862
Fix nil_rep reference counting in gl-render.cc::vertex_data internal class
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 09 Jul 2008 10:59:29 -0400 |
| parents | 82be108cc558 |
| children | 935be827eaf8 |
| rev | line source |
|---|---|
| 4902 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2004, 2005, 2006, 2007 John W. Eaton |
| 4902 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4902 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4902 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_inttypes_h) | |
| 24 #define octave_inttypes_h 1 | |
| 25 | |
| 6482 | 26 #include <climits> |
| 27 | |
| 4902 | 28 #include <limits> |
| 29 #include <iostream> | |
| 30 | |
| 5828 | 31 #include "oct-types.h" |
| 4953 | 32 #include "lo-ieee.h" |
| 4969 | 33 #include "lo-mappers.h" |
| 4902 | 34 |
| 35 template <class T1, class T2> | |
| 36 class | |
| 37 octave_int_binop_traits | |
| 38 { | |
| 39 public: | |
| 40 // The return type for a T1 by T2 binary operation. | |
| 41 typedef T1 TR; | |
| 42 }; | |
| 43 | |
| 44 #define OCTAVE_INT_BINOP_TRAIT(T1, T2, T3) \ | |
| 45 template<> \ | |
| 46 class octave_int_binop_traits <T1, T2> \ | |
| 47 { \ | |
| 48 public: \ | |
| 49 typedef T3 TR; \ | |
| 50 } | |
| 51 | |
| 5828 | 52 OCTAVE_INT_BINOP_TRAIT (int8_t, int8_t, int8_t); |
| 53 OCTAVE_INT_BINOP_TRAIT (int8_t, int16_t, int8_t); | |
| 54 OCTAVE_INT_BINOP_TRAIT (int8_t, int32_t, int8_t); | |
| 55 OCTAVE_INT_BINOP_TRAIT (int8_t, int64_t, int8_t); | |
| 56 OCTAVE_INT_BINOP_TRAIT (int8_t, uint8_t, int8_t); | |
| 57 OCTAVE_INT_BINOP_TRAIT (int8_t, uint16_t, int8_t); | |
| 58 OCTAVE_INT_BINOP_TRAIT (int8_t, uint32_t, int8_t); | |
| 59 OCTAVE_INT_BINOP_TRAIT (int8_t, uint64_t, int8_t); | |
| 4902 | 60 |
| 5828 | 61 OCTAVE_INT_BINOP_TRAIT (int16_t, int8_t, int16_t); |
| 62 OCTAVE_INT_BINOP_TRAIT (int16_t, int16_t, int16_t); | |
| 63 OCTAVE_INT_BINOP_TRAIT (int16_t, int32_t, int16_t); | |
| 64 OCTAVE_INT_BINOP_TRAIT (int16_t, int64_t, int16_t); | |
| 65 OCTAVE_INT_BINOP_TRAIT (int16_t, uint8_t, int16_t); | |
| 66 OCTAVE_INT_BINOP_TRAIT (int16_t, uint16_t, int16_t); | |
| 67 OCTAVE_INT_BINOP_TRAIT (int16_t, uint32_t, int16_t); | |
| 68 OCTAVE_INT_BINOP_TRAIT (int16_t, uint64_t, int16_t); | |
| 4902 | 69 |
| 5828 | 70 OCTAVE_INT_BINOP_TRAIT (int32_t, int8_t, int32_t); |
| 71 OCTAVE_INT_BINOP_TRAIT (int32_t, int16_t, int32_t); | |
| 72 OCTAVE_INT_BINOP_TRAIT (int32_t, int32_t, int32_t); | |
| 73 OCTAVE_INT_BINOP_TRAIT (int32_t, int64_t, int32_t); | |
| 74 OCTAVE_INT_BINOP_TRAIT (int32_t, uint8_t, int32_t); | |
| 75 OCTAVE_INT_BINOP_TRAIT (int32_t, uint16_t, int32_t); | |
| 76 OCTAVE_INT_BINOP_TRAIT (int32_t, uint32_t, int32_t); | |
| 77 OCTAVE_INT_BINOP_TRAIT (int32_t, uint64_t, int32_t); | |
| 4902 | 78 |
| 5828 | 79 OCTAVE_INT_BINOP_TRAIT (int64_t, int8_t, int64_t); |
| 80 OCTAVE_INT_BINOP_TRAIT (int64_t, int16_t, int64_t); | |
| 81 OCTAVE_INT_BINOP_TRAIT (int64_t, int32_t, int64_t); | |
| 82 OCTAVE_INT_BINOP_TRAIT (int64_t, int64_t, int64_t); | |
| 83 OCTAVE_INT_BINOP_TRAIT (int64_t, uint8_t, int64_t); | |
| 84 OCTAVE_INT_BINOP_TRAIT (int64_t, uint16_t, int64_t); | |
| 85 OCTAVE_INT_BINOP_TRAIT (int64_t, uint32_t, int64_t); | |
| 86 OCTAVE_INT_BINOP_TRAIT (int64_t, uint64_t, int64_t); | |
| 4902 | 87 |
| 5828 | 88 OCTAVE_INT_BINOP_TRAIT (uint8_t, int8_t, int8_t); |
| 89 OCTAVE_INT_BINOP_TRAIT (uint8_t, int16_t, int8_t); | |
| 90 OCTAVE_INT_BINOP_TRAIT (uint8_t, int32_t, int8_t); | |
| 91 OCTAVE_INT_BINOP_TRAIT (uint8_t, int64_t, int8_t); | |
| 92 OCTAVE_INT_BINOP_TRAIT (uint8_t, uint8_t, uint8_t); | |
| 93 OCTAVE_INT_BINOP_TRAIT (uint8_t, uint16_t, uint8_t); | |
| 94 OCTAVE_INT_BINOP_TRAIT (uint8_t, uint32_t, uint8_t); | |
| 95 OCTAVE_INT_BINOP_TRAIT (uint8_t, uint64_t, uint8_t); | |
| 4902 | 96 |
| 5828 | 97 OCTAVE_INT_BINOP_TRAIT (uint16_t, int8_t, int16_t); |
| 98 OCTAVE_INT_BINOP_TRAIT (uint16_t, int16_t, int16_t); | |
| 99 OCTAVE_INT_BINOP_TRAIT (uint16_t, int32_t, int16_t); | |
| 100 OCTAVE_INT_BINOP_TRAIT (uint16_t, int64_t, int16_t); | |
| 101 OCTAVE_INT_BINOP_TRAIT (uint16_t, uint8_t, uint16_t); | |
| 102 OCTAVE_INT_BINOP_TRAIT (uint16_t, uint16_t, uint16_t); | |
| 103 OCTAVE_INT_BINOP_TRAIT (uint16_t, uint32_t, uint16_t); | |
| 104 OCTAVE_INT_BINOP_TRAIT (uint16_t, uint64_t, uint16_t); | |
| 4902 | 105 |
| 5828 | 106 OCTAVE_INT_BINOP_TRAIT (uint32_t, int8_t, int32_t); |
| 107 OCTAVE_INT_BINOP_TRAIT (uint32_t, int16_t, int32_t); | |
| 108 OCTAVE_INT_BINOP_TRAIT (uint32_t, int32_t, int32_t); | |
| 109 OCTAVE_INT_BINOP_TRAIT (uint32_t, int64_t, int32_t); | |
| 110 OCTAVE_INT_BINOP_TRAIT (uint32_t, uint8_t, uint32_t); | |
| 111 OCTAVE_INT_BINOP_TRAIT (uint32_t, uint16_t, uint32_t); | |
| 112 OCTAVE_INT_BINOP_TRAIT (uint32_t, uint32_t, uint32_t); | |
| 113 OCTAVE_INT_BINOP_TRAIT (uint32_t, uint64_t, uint32_t); | |
| 4902 | 114 |
| 5828 | 115 OCTAVE_INT_BINOP_TRAIT (uint64_t, int8_t, int64_t); |
| 116 OCTAVE_INT_BINOP_TRAIT (uint64_t, int16_t, int64_t); | |
| 117 OCTAVE_INT_BINOP_TRAIT (uint64_t, int32_t, int64_t); | |
| 118 OCTAVE_INT_BINOP_TRAIT (uint64_t, int64_t, int64_t); | |
| 119 OCTAVE_INT_BINOP_TRAIT (uint64_t, uint8_t, uint64_t); | |
| 120 OCTAVE_INT_BINOP_TRAIT (uint64_t, uint16_t, uint64_t); | |
| 121 OCTAVE_INT_BINOP_TRAIT (uint64_t, uint32_t, uint64_t); | |
| 122 OCTAVE_INT_BINOP_TRAIT (uint64_t, uint64_t, uint64_t); | |
| 4902 | 123 |
| 124 template <class T1, class T2> | |
| 125 inline T2 | |
| 126 octave_int_fit_to_range (const T1& x, const T2& mn, const T2& mx) | |
| 127 { | |
| 4963 | 128 return (x > mx ? mx : (x < mn ? mn : T2 (x))); |
| 4902 | 129 } |
| 130 | |
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131 template <typename T> |
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132 inline T |
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133 octave_int_fit_to_range (const double& x, const T& mn, const T& mx) |
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134 { |
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135 return (__lo_ieee_isnan (x) ? 0 : (x > mx ? mx : (x < mn ? mn : static_cast<T> (x)))); |
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136 } |
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137 |
| 4943 | 138 // If X is unsigned and the new type is signed, then we only have to |
| 139 // check the upper limit, but we should cast the maximum value of the | |
| 140 // new type to an unsigned type before performing the comparison. | |
| 141 // This should always be OK because the maximum value should always be | |
| 142 // positive. | |
| 143 | |
| 5072 | 144 #define OCTAVE_US_S_FTR(T1, T2, TC) \ |
| 4943 | 145 template <> \ |
| 146 inline T2 \ | |
| 147 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2& mx) \ | |
| 148 { \ | |
| 149 return x > static_cast<TC> (mx) ? mx : x; \ | |
| 150 } | |
| 151 | |
| 5072 | 152 #define OCTAVE_US_S_FTR_FCNS(T) \ |
| 153 OCTAVE_US_S_FTR (T, char, unsigned char) \ | |
| 154 OCTAVE_US_S_FTR (T, signed char, unsigned char) \ | |
| 155 OCTAVE_US_S_FTR (T, short, unsigned short) \ | |
| 156 OCTAVE_US_S_FTR (T, int, unsigned int) \ | |
| 157 OCTAVE_US_S_FTR (T, long, unsigned long) \ | |
| 158 OCTAVE_US_S_FTR (T, long long, unsigned long long) | |
| 4943 | 159 |
| 5072 | 160 OCTAVE_US_S_FTR_FCNS (unsigned char) |
| 161 OCTAVE_US_S_FTR_FCNS (unsigned short) | |
| 162 OCTAVE_US_S_FTR_FCNS (unsigned int) | |
| 163 OCTAVE_US_S_FTR_FCNS (unsigned long) | |
| 164 OCTAVE_US_S_FTR_FCNS (unsigned long long) | |
| 4943 | 165 |
| 166 // If X is signed and the new type is unsigned, then we only have to | |
| 167 // check the lower limit (which will always be 0 for an unsigned | |
| 168 // type). The upper limit will be enforced correctly by converting to | |
| 169 // the new type, even if the type of X is wider than the new type. | |
| 170 | |
| 5072 | 171 #define OCTAVE_S_US_FTR(T1, T2) \ |
| 4943 | 172 template <> \ |
| 173 inline T2 \ | |
| 174 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2&) \ | |
| 175 { \ | |
| 5420 | 176 return x <= 0 ? 0 : x; \ |
| 4943 | 177 } |
| 178 | |
| 5072 | 179 #define OCTAVE_S_US_FTR_FCNS(T) \ |
| 180 OCTAVE_S_US_FTR (T, unsigned char) \ | |
| 181 OCTAVE_S_US_FTR (T, unsigned short) \ | |
| 182 OCTAVE_S_US_FTR (T, unsigned int) \ | |
| 183 OCTAVE_S_US_FTR (T, unsigned long) \ | |
| 184 OCTAVE_S_US_FTR (T, unsigned long long) | |
| 4943 | 185 |
| 5072 | 186 OCTAVE_S_US_FTR_FCNS (char) |
| 187 OCTAVE_S_US_FTR_FCNS (signed char) | |
| 188 OCTAVE_S_US_FTR_FCNS (short) | |
| 189 OCTAVE_S_US_FTR_FCNS (int) | |
| 190 OCTAVE_S_US_FTR_FCNS (long) | |
| 191 OCTAVE_S_US_FTR_FCNS (long long) | |
| 4943 | 192 |
| 4902 | 193 #define OCTAVE_INT_FIT_TO_RANGE(r, T) \ |
| 4943 | 194 octave_int_fit_to_range (r, \ |
| 195 std::numeric_limits<T>::min (), \ | |
| 196 std::numeric_limits<T>::max ()) | |
| 4902 | 197 |
| 198 #define OCTAVE_INT_MIN_VAL2(T1, T2) \ | |
| 199 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::min () | |
| 200 | |
| 201 #define OCTAVE_INT_MAX_VAL2(T1, T2) \ | |
| 202 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::max () | |
| 203 | |
| 204 #define OCTAVE_INT_FIT_TO_RANGE2(r, T1, T2) \ | |
| 205 octave_int_fit_to_range (r, \ | |
| 206 OCTAVE_INT_MIN_VAL2 (T1, T2), \ | |
| 207 OCTAVE_INT_MAX_VAL2 (T1, T2)) | |
| 208 | |
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209 // We have all the machinery below (octave_int_helper) to avoid a few |
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210 // warnings from GCC about comparisons always false due to limited |
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211 // range of data types. Ugh. The cure may be worse than the disease. |
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212 |
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213 // FIXME -- it would be nice to nest the helper class inside the |
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214 // octave_int class, but I don't see the magic for that at the moment. |
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215 |
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216 template <class T> class octave_int; |
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217 |
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218 template <class T, bool is_signed> |
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219 class octave_int_helper |
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220 { |
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221 public: |
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222 static octave_int<T> abs (const T& x); |
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223 |
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224 static octave_int<T> signum (const T& x); |
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225 |
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226 template <class T2> static void rshift_eq (T& ival, const T2& x); |
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227 }; |
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228 |
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229 template <class T> |
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230 class octave_int_helper<T, false> |
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231 { |
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232 public: |
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233 static octave_int<T> |
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234 abs (const T& x) { return x; } |
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235 |
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236 static octave_int<T> |
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237 signum (const T& x) { return x > 0 ? 1 : 0; } |
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238 |
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239 template <class T2> |
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240 static void |
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241 rshift_eq (T& ival, const T2& x) { ival = ival >> x; } |
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242 }; |
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243 |
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244 template <class T> |
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245 class octave_int_helper<T, true> |
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246 { |
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247 public: |
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248 static octave_int<T> |
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249 abs (const T& x) { return x < 0 ? -x : x; } |
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250 |
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251 static octave_int<T> |
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252 signum (const T& x) { return x < 0 ? -1 : (x > 0 ? 1 : 0); } |
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253 |
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254 template <class T2> |
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255 static void |
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256 rshift_eq (T& ival, const T2& x) |
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257 { |
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258 if (ival < 0) |
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259 ival = - (((-ival) >> x) & std::numeric_limits<T>::max()); |
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260 else |
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261 ival = ival >> x; |
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262 } |
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263 }; |
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264 |
| 4902 | 265 template <class T> |
| 266 class | |
| 267 octave_int | |
| 268 { | |
| 269 public: | |
| 270 | |
| 4943 | 271 typedef T val_type; |
| 272 | |
| 4902 | 273 octave_int (void) : ival () { } |
| 274 | |
| 275 template <class U> | |
| 276 octave_int (U i) : ival (OCTAVE_INT_FIT_TO_RANGE (i, T)) { } | |
| 277 | |
| 6402 | 278 octave_int (double d) : ival (OCTAVE_INT_FIT_TO_RANGE (xround (d), T)) { } |
| 279 | |
| 4902 | 280 octave_int (bool b) : ival (b) { } |
| 281 | |
| 282 template <class U> | |
| 283 octave_int (const octave_int<U>& i) | |
| 284 : ival (OCTAVE_INT_FIT_TO_RANGE (i.value (), T)) { } | |
| 285 | |
| 286 octave_int (const octave_int<T>& i) : ival (i.ival) { } | |
| 287 | |
| 288 octave_int& operator = (const octave_int<T>& i) | |
| 289 { | |
| 290 ival = i.ival; | |
| 291 return *this; | |
| 292 } | |
| 293 | |
| 294 ~octave_int (void) { } | |
| 295 | |
| 296 T value (void) const { return ival; } | |
| 297 | |
| 4949 | 298 const unsigned char * iptr (void) const |
| 299 { return reinterpret_cast<const unsigned char *> (& ival); } | |
| 300 | |
| 4902 | 301 bool operator ! (void) const { return ! ival; } |
| 302 | |
| 4906 | 303 octave_int<T> operator + (void) const { return *this; } |
| 4902 | 304 |
| 4906 | 305 octave_int<T> operator - (void) const |
| 4902 | 306 { |
| 4953 | 307 // Can't just return -ival because signed types are not |
| 308 // symmetric, which causes things like -intmin("int32") to be the | |
| 309 // same as intmin("int32") instead of intmax("int32") (which is | |
| 310 // what we should get with saturation semantics). | |
| 311 | |
| 312 return std::numeric_limits<T>::is_signed ? | |
| 313 OCTAVE_INT_FIT_TO_RANGE (- static_cast<double> (ival), T) : 0; | |
| 4902 | 314 } |
| 315 | |
| 7198 | 316 bool bool_value (void) const { return static_cast<bool> (value ()); } |
| 317 | |
| 318 char char_value (void) const { return static_cast<char> (value ()); } | |
| 319 | |
| 320 double double_value (void) const { return static_cast<double> (value ()); } | |
| 321 | |
| 322 float float_value (void) const { return static_cast<float> (value ()); } | |
| 323 | |
| 7177 | 324 operator T (void) const { return value (); } |
| 325 | |
| 7198 | 326 // char and bool operators intentionally omitted. |
| 5533 | 327 |
| 7198 | 328 operator double (void) const { return double_value (); } |
| 4902 | 329 |
| 7198 | 330 operator float (void) const { return float_value (); } |
| 5030 | 331 |
| 4902 | 332 octave_int<T>& operator += (const octave_int<T>& x) |
| 333 { | |
| 334 double t = static_cast<double> (value ()); | |
| 335 double tx = static_cast<double> (x.value ()); | |
| 336 ival = OCTAVE_INT_FIT_TO_RANGE (t + tx, T); | |
| 337 return *this; | |
| 338 } | |
| 339 | |
| 340 octave_int<T>& operator -= (const octave_int<T>& x) | |
| 341 { | |
| 342 double t = static_cast<double> (value ()); | |
| 343 double tx = static_cast<double> (x.value ()); | |
| 344 ival = OCTAVE_INT_FIT_TO_RANGE (t - tx, T); | |
| 345 return *this; | |
| 346 } | |
| 347 | |
| 4952 | 348 octave_int<T>& operator *= (const octave_int<T>& x) |
| 349 { | |
| 350 double t = static_cast<double> (value ()); | |
| 351 double tx = static_cast<double> (x.value ()); | |
| 352 ival = OCTAVE_INT_FIT_TO_RANGE (t * tx, T); | |
| 353 return *this; | |
| 354 } | |
| 355 | |
| 356 octave_int<T>& operator /= (const octave_int<T>& x) | |
| 357 { | |
| 358 double t = static_cast<double> (value ()); | |
| 359 double tx = static_cast<double> (x.value ()); | |
| 4968 | 360 double r = (t == 0 && tx == 0) ? 0 : xround (t / tx); |
| 4953 | 361 ival = OCTAVE_INT_FIT_TO_RANGE (r, T); |
| 4952 | 362 return *this; |
| 363 } | |
| 364 | |
| 365 template <class T2> | |
| 366 octave_int<T>& operator <<= (const T2& x) | |
| 367 { | |
| 6764 | 368 ival = ival << x; |
| 4952 | 369 return *this; |
| 370 } | |
| 371 | |
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372 // Use helper functions in the operator >>=, abs, and signum |
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373 // functions to avoid "comparison of unsigned expression < 0 is |
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374 // always false" warnings from GCC when instantiating these funtions |
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375 // for unsigned types. |
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376 |
| 4952 | 377 template <class T2> |
| 378 octave_int<T>& operator >>= (const T2& x) | |
| 379 { | |
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380 octave_int_helper<T, std::numeric_limits<T>::is_signed>::rshift_eq (ival, x); |
| 4952 | 381 return *this; |
| 382 } | |
| 383 | |
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384 octave_int<T> abs (void) const |
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385 { |
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386 return octave_int_helper<T, std::numeric_limits<T>::is_signed>::abs (value ()); |
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387 } |
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388 |
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389 octave_int<T> signum (void) const |
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390 { |
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391 return octave_int_helper<T, std::numeric_limits<T>::is_signed>::signum (value ()); |
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392 } |
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393 |
| 4906 | 394 octave_int<T> min (void) const { return std::numeric_limits<T>::min (); } |
| 395 octave_int<T> max (void) const { return std::numeric_limits<T>::max (); } | |
| 396 | |
| 4919 | 397 static int nbits (void) { return sizeof (T) * CHAR_BIT; } |
| 4909 | 398 |
| 4949 | 399 static int byte_size (void) { return sizeof(T); } |
| 400 | |
| 5900 | 401 // Unsafe. This function exists to support the MEX interface. |
| 402 // You should not use it anywhere else. | |
| 403 void *mex_get_data (void) const { return const_cast<T *> (&ival); } | |
| 404 | |
| 4902 | 405 private: |
| 406 | |
| 407 T ival; | |
| 408 }; | |
| 409 | |
| 410 template <class T> | |
| 4953 | 411 octave_int<T> |
| 412 pow (const octave_int<T>& a, const octave_int<T>& b) | |
| 4952 | 413 { |
| 4953 | 414 octave_int<T> retval; |
| 4952 | 415 |
| 4953 | 416 octave_int<T> zero = octave_int<T> (0); |
| 417 octave_int<T> one = octave_int<T> (1); | |
| 4952 | 418 |
| 419 if (b == zero) | |
| 420 retval = one; | |
| 421 else if (b < zero) | |
| 422 retval = zero; | |
| 423 else | |
| 424 { | |
| 4953 | 425 octave_int<T> a_val = a; |
| 426 octave_int<T> b_val = b; | |
| 4952 | 427 |
| 428 retval = a; | |
| 429 | |
| 430 b_val -= 1; | |
| 431 | |
| 5030 | 432 while (b_val != zero) |
| 4952 | 433 { |
| 5030 | 434 if ((b_val & one) != zero) |
| 4952 | 435 retval = retval * a_val; |
| 436 | |
| 437 b_val = b_val >> 1; | |
| 438 | |
| 439 if (b_val > zero) | |
| 440 a_val = a_val * a_val; | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 return retval; | |
| 445 } | |
| 446 | |
| 447 template <class T> | |
| 4953 | 448 octave_int<T> |
| 449 pow (double a, const octave_int<T>& b) | |
| 450 { | |
| 451 double tb = static_cast<double> (b.value ()); | |
| 452 double r = pow (a, tb); | |
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453 r = __lo_ieee_isnan (r) ? 0 : xround (r); |
| 4953 | 454 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
| 455 } | |
| 456 | |
| 457 template <class T> | |
| 458 octave_int<T> | |
| 459 pow (const octave_int<T>& a, double b) | |
| 460 { | |
| 461 double ta = static_cast<double> (a.value ()); | |
| 462 double r = pow (ta, b); | |
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463 r = __lo_ieee_isnan (r) ? 0 : xround (r); |
| 4953 | 464 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
| 465 } | |
| 466 | |
| 467 template <class T> | |
| 4902 | 468 std::ostream& |
| 469 operator << (std::ostream& os, const octave_int<T>& ival) | |
| 470 { | |
| 471 os << ival.value (); | |
| 472 return os; | |
| 473 } | |
| 474 | |
| 475 template <class T> | |
| 476 std::istream& | |
| 477 operator >> (std::istream& is, octave_int<T>& ival) | |
| 478 { | |
| 479 T tmp = 0; | |
| 480 is >> tmp; | |
| 481 ival = tmp; | |
| 482 return is; | |
| 483 } | |
| 484 | |
| 5828 | 485 typedef octave_int<int8_t> octave_int8; |
| 486 typedef octave_int<int16_t> octave_int16; | |
| 487 typedef octave_int<int32_t> octave_int32; | |
| 488 typedef octave_int<int64_t> octave_int64; | |
| 4902 | 489 |
| 5828 | 490 typedef octave_int<uint8_t> octave_uint8; |
| 491 typedef octave_int<uint16_t> octave_uint16; | |
| 492 typedef octave_int<uint32_t> octave_uint32; | |
| 493 typedef octave_int<uint64_t> octave_uint64; | |
| 4902 | 494 |
| 495 #define OCTAVE_INT_BIN_OP(OP) \ | |
| 496 template <class T1, class T2> \ | |
| 497 octave_int<typename octave_int_binop_traits<T1, T2>::TR> \ | |
| 498 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ | |
| 499 { \ | |
| 500 double tx = static_cast<double> (x.value ()); \ | |
| 501 double ty = static_cast<double> (y.value ()); \ | |
| 502 double r = tx OP ty; \ | |
| 503 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); \ | |
| 4906 | 504 } |
| 4902 | 505 |
| 506 OCTAVE_INT_BIN_OP(+) | |
| 507 OCTAVE_INT_BIN_OP(-) | |
| 508 OCTAVE_INT_BIN_OP(*) | |
| 4953 | 509 |
| 510 template <class T1, class T2> | |
| 511 octave_int<typename octave_int_binop_traits<T1, T2>::TR> | |
| 512 operator / (const octave_int<T1>& x, const octave_int<T2>& y) | |
| 513 { | |
| 514 double tx = static_cast<double> (x.value ()); | |
| 515 double ty = static_cast<double> (y.value ()); | |
| 6402 | 516 double r = (tx == 0 && ty == 0) ? 0 : xround (tx / ty); |
| 4953 | 517 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); |
| 518 } | |
| 519 | |
| 520 #define OCTAVE_INT_DOUBLE_BIN_OP(OP) \ | |
| 521 template <class T> \ | |
| 522 octave_int<T> \ | |
| 523 operator OP (const octave_int<T>& x, double y) \ | |
| 524 { \ | |
| 525 double tx = static_cast<double> (x.value ()); \ | |
| 4968 | 526 double r = xround (tx OP y); \ |
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527 r = __lo_ieee_isnan (r) ? 0 : xround (r); \ |
| 4953 | 528 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
| 529 } | |
| 530 | |
| 531 OCTAVE_INT_DOUBLE_BIN_OP(+) | |
| 532 OCTAVE_INT_DOUBLE_BIN_OP(-) | |
| 533 OCTAVE_INT_DOUBLE_BIN_OP(*) | |
| 534 OCTAVE_INT_DOUBLE_BIN_OP(/) | |
| 535 | |
| 536 #define OCTAVE_DOUBLE_INT_BIN_OP(OP) \ | |
| 537 template <class T> \ | |
| 538 octave_int<T> \ | |
| 539 operator OP (double x, const octave_int<T>& y) \ | |
| 540 { \ | |
| 541 double ty = static_cast<double> (y.value ()); \ | |
| 542 double r = x OP ty; \ | |
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543 r = __lo_ieee_isnan (r) ? 0 : xround (r); \ |
| 4953 | 544 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
| 545 } | |
| 546 | |
| 547 OCTAVE_DOUBLE_INT_BIN_OP(+) | |
| 548 OCTAVE_DOUBLE_INT_BIN_OP(-) | |
| 549 OCTAVE_DOUBLE_INT_BIN_OP(*) | |
| 550 OCTAVE_DOUBLE_INT_BIN_OP(/) | |
| 4902 | 551 |
| 5029 | 552 #define OCTAVE_INT_DOUBLE_CMP_OP(OP) \ |
| 553 template <class T> \ | |
| 554 bool \ | |
| 555 operator OP (const octave_int<T>& x, const double& y) \ | |
| 556 { \ | |
| 557 double tx = static_cast<double> (x.value ()); \ | |
| 5030 | 558 return tx OP y; \ |
| 5029 | 559 } |
| 560 | |
| 561 OCTAVE_INT_DOUBLE_CMP_OP (<) | |
| 562 OCTAVE_INT_DOUBLE_CMP_OP (<=) | |
| 563 OCTAVE_INT_DOUBLE_CMP_OP (>=) | |
| 564 OCTAVE_INT_DOUBLE_CMP_OP (>) | |
| 565 OCTAVE_INT_DOUBLE_CMP_OP (==) | |
| 566 OCTAVE_INT_DOUBLE_CMP_OP (!=) | |
| 567 | |
| 568 #define OCTAVE_DOUBLE_INT_CMP_OP(OP) \ | |
| 569 template <class T> \ | |
| 570 bool \ | |
| 571 operator OP (const double& x, const octave_int<T>& y) \ | |
| 572 { \ | |
| 573 double ty = static_cast<double> (y.value ()); \ | |
| 5030 | 574 return x OP ty; \ |
| 5029 | 575 } |
| 576 | |
| 577 OCTAVE_DOUBLE_INT_CMP_OP (<) | |
| 578 OCTAVE_DOUBLE_INT_CMP_OP (<=) | |
| 579 OCTAVE_DOUBLE_INT_CMP_OP (>=) | |
| 580 OCTAVE_DOUBLE_INT_CMP_OP (>) | |
| 581 OCTAVE_DOUBLE_INT_CMP_OP (==) | |
| 582 OCTAVE_DOUBLE_INT_CMP_OP (!=) | |
| 583 | |
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584 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \ |
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585 template <class T> \ |
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586 octave_int<T> \ |
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587 operator OP (const octave_int<T>& x, float y) \ |
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588 { \ |
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589 double tx = static_cast<double> (x.value ()); \ |
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590 double r = xround (tx OP y); \ |
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591 r = __lo_ieee_isnan (r) ? 0 : xround (r); \ |
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592 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
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593 } |
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594 |
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595 OCTAVE_INT_FLOAT_BIN_OP(+) |
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596 OCTAVE_INT_FLOAT_BIN_OP(-) |
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597 OCTAVE_INT_FLOAT_BIN_OP(*) |
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598 OCTAVE_INT_FLOAT_BIN_OP(/) |
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599 |
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600 #define OCTAVE_FLOAT_INT_BIN_OP(OP) \ |
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601 template <class T> \ |
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602 octave_int<T> \ |
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603 operator OP (float x, const octave_int<T>& y) \ |
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604 { \ |
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605 double ty = static_cast<double> (y.value ()); \ |
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606 double r = x OP ty; \ |
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607 r = __lo_ieee_isnan (r) ? 0 : xround (r); \ |
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608 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
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609 } |
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610 |
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611 OCTAVE_FLOAT_INT_BIN_OP(+) |
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612 OCTAVE_FLOAT_INT_BIN_OP(-) |
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613 OCTAVE_FLOAT_INT_BIN_OP(*) |
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614 OCTAVE_FLOAT_INT_BIN_OP(/) |
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615 |
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616 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \ |
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617 template <class T> \ |
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618 bool \ |
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619 operator OP (const octave_int<T>& x, const float& y) \ |
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620 { \ |
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621 double tx = static_cast<double> (x.value ()); \ |
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622 return tx OP y; \ |
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623 } |
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624 |
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625 OCTAVE_INT_FLOAT_CMP_OP (<) |
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626 OCTAVE_INT_FLOAT_CMP_OP (<=) |
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627 OCTAVE_INT_FLOAT_CMP_OP (>=) |
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628 OCTAVE_INT_FLOAT_CMP_OP (>) |
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629 OCTAVE_INT_FLOAT_CMP_OP (==) |
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630 OCTAVE_INT_FLOAT_CMP_OP (!=) |
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631 |
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632 #define OCTAVE_FLOAT_INT_CMP_OP(OP) \ |
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633 template <class T> \ |
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634 bool \ |
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635 operator OP (const float& x, const octave_int<T>& y) \ |
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636 { \ |
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637 double ty = static_cast<double> (y.value ()); \ |
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638 return x OP ty; \ |
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639 } |
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640 |
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641 OCTAVE_FLOAT_INT_CMP_OP (<) |
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642 OCTAVE_FLOAT_INT_CMP_OP (<=) |
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643 OCTAVE_FLOAT_INT_CMP_OP (>=) |
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644 OCTAVE_FLOAT_INT_CMP_OP (>) |
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645 OCTAVE_FLOAT_INT_CMP_OP (==) |
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646 OCTAVE_FLOAT_INT_CMP_OP (!=) |
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647 |
| 4906 | 648 #define OCTAVE_INT_BITCMP_OP(OP) \ |
| 649 template <class T> \ | |
| 650 octave_int<T> \ | |
| 651 operator OP (const octave_int<T>& x, const octave_int<T>& y) \ | |
| 652 { \ | |
| 653 return x.value () OP y.value (); \ | |
| 654 } | |
| 655 | |
| 656 OCTAVE_INT_BITCMP_OP (&) | |
| 657 OCTAVE_INT_BITCMP_OP (|) | |
| 658 OCTAVE_INT_BITCMP_OP (^) | |
| 659 | |
| 4952 | 660 template <class T1, class T2> |
| 661 octave_int<T1> | |
| 662 operator << (const octave_int<T1>& x, const T2& y) | |
| 663 { | |
| 5030 | 664 octave_int<T1> retval = x; |
| 4952 | 665 return retval <<= y; |
| 666 } | |
| 4906 | 667 |
| 4952 | 668 template <class T1, class T2> |
| 669 octave_int<T1> | |
| 670 operator >> (const octave_int<T1>& x, const T2& y) | |
| 671 { | |
| 5030 | 672 octave_int<T1> retval = x; |
| 4952 | 673 return retval >>= y; |
| 674 } | |
| 4906 | 675 |
| 4909 | 676 template <class T> |
| 677 octave_int<T> | |
| 4920 | 678 bitshift (const octave_int<T>& a, int n, |
| 679 const octave_int<T>& mask = std::numeric_limits<T>::max ()) | |
| 4909 | 680 { |
| 681 if (n > 0) | |
| 4952 | 682 return (a << n) & mask; |
| 4909 | 683 else if (n < 0) |
| 4952 | 684 return (a >> -n) & mask; |
| 4909 | 685 else |
| 686 return a; | |
| 687 } | |
| 688 | |
| 4902 | 689 #define OCTAVE_INT_CMP_OP(OP) \ |
| 690 template <class T1, class T2> \ | |
| 691 bool \ | |
| 692 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ | |
| 693 { \ | |
| 5072 | 694 return x.value () OP y.value (); \ |
| 4906 | 695 } |
| 4902 | 696 |
| 697 OCTAVE_INT_CMP_OP (<) | |
| 698 OCTAVE_INT_CMP_OP (<=) | |
| 699 OCTAVE_INT_CMP_OP (>=) | |
| 700 OCTAVE_INT_CMP_OP (>) | |
| 701 OCTAVE_INT_CMP_OP (==) | |
| 702 OCTAVE_INT_CMP_OP (!=) | |
| 703 | |
| 5072 | 704 // The following apply if the unsigned type is at least as wide as the |
| 705 // signed type (then we can cast postive signed values to the unsigned | |
| 706 // type and compare). | |
| 707 | |
| 708 #define OCTAVE_US_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ | |
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709 template <> \ |
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710 bool \ |
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711 OCTAVE_API operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
| 5072 | 712 |
| 713 #define OCTAVE_US_TYPE1_CMP_OP_DECLS(UT, ST) \ | |
| 714 OCTAVE_US_TYPE1_CMP_OP_DECL (<, false, UT, ST) \ | |
| 715 OCTAVE_US_TYPE1_CMP_OP_DECL (<=, false, UT, ST) \ | |
| 716 OCTAVE_US_TYPE1_CMP_OP_DECL (>=, true, UT, ST) \ | |
| 717 OCTAVE_US_TYPE1_CMP_OP_DECL (>, true, UT, ST) \ | |
| 718 OCTAVE_US_TYPE1_CMP_OP_DECL (==, false, UT, ST) \ | |
| 719 OCTAVE_US_TYPE1_CMP_OP_DECL (!=, true, UT, ST) | |
| 720 | |
| 721 #define OCTAVE_SU_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ | |
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722 template <> \ |
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723 bool \ |
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724 OCTAVE_API operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
| 5072 | 725 |
| 726 #define OCTAVE_SU_TYPE1_CMP_OP_DECLS(ST, UT) \ | |
| 727 OCTAVE_SU_TYPE1_CMP_OP_DECL (<, true, ST, UT) \ | |
| 728 OCTAVE_SU_TYPE1_CMP_OP_DECL (<=, true, ST, UT) \ | |
| 729 OCTAVE_SU_TYPE1_CMP_OP_DECL (>=, false, ST, UT) \ | |
| 730 OCTAVE_SU_TYPE1_CMP_OP_DECL (>, false, ST, UT) \ | |
| 731 OCTAVE_SU_TYPE1_CMP_OP_DECL (==, false, ST, UT) \ | |
| 732 OCTAVE_SU_TYPE1_CMP_OP_DECL (!=, true, ST, UT) | |
| 733 | |
| 734 #define OCTAVE_TYPE1_CMP_OP_DECLS(UT, ST) \ | |
| 735 OCTAVE_US_TYPE1_CMP_OP_DECLS (UT, ST) \ | |
| 736 OCTAVE_SU_TYPE1_CMP_OP_DECLS (ST, UT) | |
| 737 | |
| 5828 | 738 OCTAVE_TYPE1_CMP_OP_DECLS (uint32_t, int8_t) |
| 739 OCTAVE_TYPE1_CMP_OP_DECLS (uint32_t, int16_t) | |
| 740 OCTAVE_TYPE1_CMP_OP_DECLS (uint32_t, int32_t) | |
| 5072 | 741 |
| 5828 | 742 OCTAVE_TYPE1_CMP_OP_DECLS (uint64_t, int8_t) |
| 743 OCTAVE_TYPE1_CMP_OP_DECLS (uint64_t, int16_t) | |
| 744 OCTAVE_TYPE1_CMP_OP_DECLS (uint64_t, int32_t) | |
| 745 OCTAVE_TYPE1_CMP_OP_DECLS (uint64_t, int64_t) | |
| 5072 | 746 |
| 747 // The following apply if the signed type is wider than the unsigned | |
| 748 // type (then we can cast unsigned values to the signed type and | |
| 749 // compare if the signed value is positive). | |
| 750 | |
| 751 #define OCTAVE_US_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ | |
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752 template <> \ |
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753 bool \ |
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754 OCTAVE_API operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
| 5072 | 755 |
| 756 #define OCTAVE_US_TYPE2_CMP_OP_DECLS(ST, UT) \ | |
| 757 OCTAVE_US_TYPE2_CMP_OP_DECL (<, false, ST, UT) \ | |
| 758 OCTAVE_US_TYPE2_CMP_OP_DECL (<=, false, ST, UT) \ | |
| 759 OCTAVE_US_TYPE2_CMP_OP_DECL (>=, true, ST, UT) \ | |
| 760 OCTAVE_US_TYPE2_CMP_OP_DECL (>, true, ST, UT) \ | |
| 761 OCTAVE_US_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ | |
| 762 OCTAVE_US_TYPE2_CMP_OP_DECL (!=, true, ST, UT) | |
| 763 | |
| 764 #define OCTAVE_SU_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ | |
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765 template <> \ |
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766 bool \ |
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767 OCTAVE_API operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
| 5072 | 768 |
| 769 #define OCTAVE_SU_TYPE2_CMP_OP_DECLS(ST, UT) \ | |
| 770 OCTAVE_SU_TYPE2_CMP_OP_DECL (<, true, ST, UT) \ | |
| 771 OCTAVE_SU_TYPE2_CMP_OP_DECL (<=, true, ST, UT) \ | |
| 772 OCTAVE_SU_TYPE2_CMP_OP_DECL (>=, false, ST, UT) \ | |
| 773 OCTAVE_SU_TYPE2_CMP_OP_DECL (>, false, ST, UT) \ | |
| 774 OCTAVE_SU_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ | |
| 775 OCTAVE_SU_TYPE2_CMP_OP_DECL (!=, true, ST, UT) | |
| 776 | |
| 777 #define OCTAVE_TYPE2_CMP_OP_DECLS(UT, ST) \ | |
| 778 OCTAVE_US_TYPE2_CMP_OP_DECLS (UT, ST) \ | |
| 779 OCTAVE_SU_TYPE2_CMP_OP_DECLS (ST, UT) | |
| 780 | |
| 5828 | 781 OCTAVE_TYPE2_CMP_OP_DECLS (uint32_t, int64_t) |
| 5072 | 782 |
| 4902 | 783 #undef OCTAVE_INT_BINOP_TRAIT |
| 5072 | 784 #undef OCTAVE_US_S_FTR |
| 785 #undef OCTAVE_US_S_FTR_FCNS | |
| 786 #undef OCTAVE_S_US_FTR | |
| 787 #undef OCTAVE_S_US_FTR_FCNS | |
| 4902 | 788 #undef OCTAVE_INT_FIT_TO_RANGE |
| 789 #undef OCTAVE_INT_MIN_VAL2 | |
| 790 #undef OCTAVE_INT_MAX_VAL2 | |
| 791 #undef OCTAVE_INT_FIT_TO_RANGE2 | |
| 792 #undef OCTAVE_INT_BIN_OP | |
| 5072 | 793 #undef OCTAVE_INT_DOUBLE_BIN_OP |
| 794 #undef OCTAVE_DOUBLE_INT_BIN_OP | |
| 795 #undef OCTAVE_INT_DOUBLE_CMP_OP | |
| 796 #undef OCTAVE_DOUBLE_INT_CMP_OP | |
| 797 #undef OCTAVE_INT_BITCMP_OP | |
| 4902 | 798 #undef OCTAVE_INT_CMP_OP |
| 5072 | 799 #undef OCTAVE_US_TYPE1_CMP_OP_DECL |
| 800 #undef OCTAVE_US_TYPE1_CMP_OP_DECLS | |
| 801 #undef OCTAVE_SU_TYPE1_CMP_OP_DECL | |
| 802 #undef OCTAVE_SU_TYPE1_CMP_OP_DECLS | |
| 803 #undef OCTAVE_TYPE1_CMP_OP_DECLS | |
| 804 #undef OCTAVE_US_TYPE2_CMP_OP_DECL | |
| 805 #undef OCTAVE_US_TYPE2_CMP_OP_DECLS | |
| 806 #undef OCTAVE_SU_TYPE2_CMP_OP_DECL | |
| 807 #undef OCTAVE_SU_TYPE2_CMP_OP_DECLS | |
| 5074 | 808 #undef OCTAVE_TYPE2_CMP_OP_DECLS |
| 4902 | 809 |
| 810 #endif | |
| 811 | |
| 812 /* | |
| 813 ;;; Local Variables: *** | |
| 814 ;;; mode: C++ *** | |
| 815 ;;; End: *** | |
| 816 */ |