| … | |
… | |
| 6 | #else |
6 | #else |
| 7 | # define is_constant(c) 0 |
7 | # define is_constant(c) 0 |
| 8 | #endif |
8 | #endif |
| 9 | |
9 | |
| 10 | #include <cstddef> |
10 | #include <cstddef> |
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11 | #include <new> |
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12 | #include <vector> |
| 11 | |
13 | |
| 12 | #include <glib.h> |
14 | #include <glib.h> |
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15 | |
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16 | #include <shstr.h> |
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17 | #include <traits.h> |
| 13 | |
18 | |
| 14 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
19 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
| 15 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
20 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
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21 | |
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22 | // very ugly macro that basicaly declares and initialises a variable |
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23 | // that is in scope for the next statement only |
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24 | // works only for stuff that can be assigned 0 and converts to false |
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25 | // (note: works great for pointers) |
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26 | // most ugly macro I ever wrote |
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27 | #define declvar(type, name, value) if (type name = 0) { } else if (((name) = (value)), 1) |
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28 | |
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29 | // in range including end |
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30 | #define IN_RANGE_INC(val,beg,end) \ |
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31 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
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32 | |
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33 | // in range excluding end |
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34 | #define IN_RANGE_EXC(val,beg,end) \ |
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35 | ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg)) |
| 16 | |
36 | |
| 17 | // makes dynamically allocated objects zero-initialised |
37 | // makes dynamically allocated objects zero-initialised |
| 18 | struct zero_initialised |
38 | struct zero_initialised |
| 19 | { |
39 | { |
| 20 | void *operator new (size_t s, void *p) |
40 | void *operator new (size_t s, void *p) |
| … | |
… | |
| 191 | { |
211 | { |
| 192 | return !strcmp (a, b); |
212 | return !strcmp (a, b); |
| 193 | } |
213 | } |
| 194 | }; |
214 | }; |
| 195 | |
215 | |
| 196 | #include <vector> |
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| 197 | |
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| 198 | template<class obj> |
216 | template<class T> |
| 199 | struct unordered_vector : std::vector<obj, slice_allocator<obj> > |
217 | struct unordered_vector : std::vector<T, slice_allocator<T> > |
| 200 | { |
218 | { |
| 201 | typedef typename unordered_vector::iterator iterator; |
219 | typedef typename unordered_vector::iterator iterator; |
| 202 | |
220 | |
| 203 | void erase (unsigned int pos) |
221 | void erase (unsigned int pos) |
| 204 | { |
222 | { |
| … | |
… | |
| 209 | } |
227 | } |
| 210 | |
228 | |
| 211 | void erase (iterator i) |
229 | void erase (iterator i) |
| 212 | { |
230 | { |
| 213 | erase ((unsigned int )(i - this->begin ())); |
231 | erase ((unsigned int )(i - this->begin ())); |
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232 | } |
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233 | }; |
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234 | |
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235 | template<class T, int T::* index> |
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236 | struct object_vector : std::vector<T *, slice_allocator<T *> > |
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237 | { |
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238 | void insert (T *obj) |
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239 | { |
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240 | assert (!(obj->*index)); |
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241 | push_back (obj); |
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242 | obj->*index = this->size (); |
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243 | } |
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244 | |
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245 | void insert (T &obj) |
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246 | { |
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247 | insert (&obj); |
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248 | } |
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249 | |
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250 | void erase (T *obj) |
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251 | { |
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252 | assert (obj->*index); |
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253 | int pos = obj->*index; |
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254 | obj->*index = 0; |
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255 | |
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256 | if (pos < this->size ()) |
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257 | { |
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258 | (*this)[pos - 1] = (*this)[this->size () - 1]; |
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259 | (*this)[pos - 1]->*index = pos; |
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260 | } |
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261 | |
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262 | this->pop_back (); |
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263 | } |
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264 | |
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265 | void erase (T &obj) |
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266 | { |
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267 | errase (&obj); |
| 214 | } |
268 | } |
| 215 | }; |
269 | }; |
| 216 | |
270 | |
| 217 | template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } |
271 | template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } |
| 218 | template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } |
272 | template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } |
| … | |
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| 233 | typedef double tstamp; |
287 | typedef double tstamp; |
| 234 | |
288 | |
| 235 | // return current time as timestampe |
289 | // return current time as timestampe |
| 236 | tstamp now (); |
290 | tstamp now (); |
| 237 | |
291 | |
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292 | int similar_direction (int a, int b); |
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293 | |
| 238 | #endif |
294 | #endif |
| 239 | |
295 | |
