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    97. 

  97. <table class="memberdecls">
    98. 

  98. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
    99. 

  99. Macros</h2></td></tr>
    100. 

  100. <tr class="memitem:a298322c952526928cf8dbc7aaba7b84d"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a298322c952526928cf8dbc7aaba7b84d">GPR_MIN</a>(a, b)&#160;&#160;&#160;((a) &lt; (b) ? (a) : (b))</td></tr>
    101. 

  101. <tr class="memdesc:a298322c952526928cf8dbc7aaba7b84d"><td class="mdescLeft">&#160;</td><td class="mdescRight">useful macros that don't belong anywhere else  <a href="#a298322c952526928cf8dbc7aaba7b84d">More...</a><br/></td></tr>
    102. 

  102. <tr class="separator:a298322c952526928cf8dbc7aaba7b84d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    103. 

  103. <tr class="memitem:af50c518bb1183da84adb7d8a86cd568a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#af50c518bb1183da84adb7d8a86cd568a">GPR_MAX</a>(a, b)&#160;&#160;&#160;((a) &gt; (b) ? (a) : (b))</td></tr>
    104. 

  104. <tr class="separator:af50c518bb1183da84adb7d8a86cd568a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    105. 

  105. <tr class="memitem:ac974b8c13ee716193e0ee30d9513672c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#ac974b8c13ee716193e0ee30d9513672c">GPR_CLAMP</a>(a, min, max)&#160;&#160;&#160;((a) &lt; (min) ? (min) : (a) &gt; (max) ? (max) : (a))</td></tr>
    106. 

  106. <tr class="separator:ac974b8c13ee716193e0ee30d9513672c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    107. 

  107. <tr class="memitem:a6f7a8aba8e044f6b20fc8a7560f28f85"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a6f7a8aba8e044f6b20fc8a7560f28f85">GPR_ROTL</a>(x, n)&#160;&#160;&#160;(((x) &lt;&lt; (n)) | ((x) &gt;&gt; (sizeof(x) * 8 - (n))))</td></tr>
    108. 

  108. <tr class="memdesc:a6f7a8aba8e044f6b20fc8a7560f28f85"><td class="mdescLeft">&#160;</td><td class="mdescRight">rotl, rotr assume x is unsigned  <a href="#a6f7a8aba8e044f6b20fc8a7560f28f85">More...</a><br/></td></tr>
    109. 

  109. <tr class="separator:a6f7a8aba8e044f6b20fc8a7560f28f85"><td class="memSeparator" colspan="2">&#160;</td></tr>
    110. 

  110. <tr class="memitem:a5ff4b278972e799dc134963a0249f316"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a5ff4b278972e799dc134963a0249f316">GPR_ROTR</a>(x, n)&#160;&#160;&#160;(((x) &gt;&gt; (n)) | ((x) &lt;&lt; (sizeof(x) * 8 - (n))))</td></tr>
    111. 

  111. <tr class="separator:a5ff4b278972e799dc134963a0249f316"><td class="memSeparator" colspan="2">&#160;</td></tr>
    112. 

  112. <tr class="memitem:a0e411d4f81a169c97c319d4e84df5747"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a0e411d4f81a169c97c319d4e84df5747">GPR_ARRAY_SIZE</a>(array)&#160;&#160;&#160;(sizeof(array) / sizeof(*(array)))</td></tr>
    113. 

  113. <tr class="separator:a0e411d4f81a169c97c319d4e84df5747"><td class="memSeparator" colspan="2">&#160;</td></tr>
    114. 

  114. <tr class="memitem:a9f884f8218a97ed9739e2dac467f0719"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a9f884f8218a97ed9739e2dac467f0719">GPR_SWAP</a>(type, a, b)</td></tr>
    115. 

  115. <tr class="separator:a9f884f8218a97ed9739e2dac467f0719"><td class="memSeparator" colspan="2">&#160;</td></tr>
    116. 

  116. <tr class="memitem:a28de4ed955bfc2bff309061b7820a37a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a28de4ed955bfc2bff309061b7820a37a">GPR_BITSET</a>(i, n)&#160;&#160;&#160;((*(i)) |= (1u &lt;&lt; (n)))</td></tr>
    117. 

  117. <tr class="memdesc:a28de4ed955bfc2bff309061b7820a37a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set the <em>n-th</em> bit of <em>i</em> (a mutable pointer).  <a href="#a28de4ed955bfc2bff309061b7820a37a">More...</a><br/></td></tr>
    118. 

  118. <tr class="separator:a28de4ed955bfc2bff309061b7820a37a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    119. 

  119. <tr class="memitem:af797bf1803f9809b3ccceaa619078c89"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#af797bf1803f9809b3ccceaa619078c89">GPR_BITCLEAR</a>(i, n)&#160;&#160;&#160;((*(i)) &amp;= ~(1u &lt;&lt; (n)))</td></tr>
    120. 

  120. <tr class="memdesc:af797bf1803f9809b3ccceaa619078c89"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear the <em>n-th</em> bit of <em>i</em> (a mutable pointer).  <a href="#af797bf1803f9809b3ccceaa619078c89">More...</a><br/></td></tr>
    121. 

  121. <tr class="separator:af797bf1803f9809b3ccceaa619078c89"><td class="memSeparator" colspan="2">&#160;</td></tr>
    122. 

  122. <tr class="memitem:a7c54bb2fffdaae24ba38ca5e5c53ab41"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a7c54bb2fffdaae24ba38ca5e5c53ab41">GPR_BITGET</a>(i, n)&#160;&#160;&#160;(((i) &amp; (1u &lt;&lt; (n))) != 0)</td></tr>
    123. 

  123. <tr class="memdesc:a7c54bb2fffdaae24ba38ca5e5c53ab41"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the <em>n-th</em> bit of <em>i</em>.  <a href="#a7c54bb2fffdaae24ba38ca5e5c53ab41">More...</a><br/></td></tr>
    124. 

  124. <tr class="separator:a7c54bb2fffdaae24ba38ca5e5c53ab41"><td class="memSeparator" colspan="2">&#160;</td></tr>
    125. 

  125. <tr class="memitem:a601e1be692fe7922b52991a5d410b945"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a601e1be692fe7922b52991a5d410b945">GPR_INTERNAL_HEXDIGIT_BITCOUNT</a>(x)</td></tr>
    126. 

  126. <tr class="separator:a601e1be692fe7922b52991a5d410b945"><td class="memSeparator" colspan="2">&#160;</td></tr>
    127. 

  127. <tr class="memitem:a8f51444fe97eb3f83184b98035e3357f"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a8f51444fe97eb3f83184b98035e3357f">GPR_BITCOUNT</a>(i)</td></tr>
    128. 

  128. <tr class="memdesc:a8f51444fe97eb3f83184b98035e3357f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns number of bits set in bitset <em>i</em>.  <a href="#a8f51444fe97eb3f83184b98035e3357f">More...</a><br/></td></tr>
    129. 

  129. <tr class="separator:a8f51444fe97eb3f83184b98035e3357f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    130. 

  130. <tr class="memitem:a0f5453aa5dc6d3314ad8a894177d257b"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#a0f5453aa5dc6d3314ad8a894177d257b">GPR_ICMP</a>(a, b)&#160;&#160;&#160;((a) &lt; (b) ? -1 : ((a) &gt; (b) ? 1 : 0))</td></tr>
    131. 

  131. <tr class="separator:a0f5453aa5dc6d3314ad8a894177d257b"><td class="memSeparator" colspan="2">&#160;</td></tr>
    132. 

  132. <tr class="memitem:ac303d133f8b8a8d81799ae11d00ae1d3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="useful_8h.html#ac303d133f8b8a8d81799ae11d00ae1d3">GPR_HASH_POINTER</a>(x, range)&#160;&#160;&#160;((((size_t)x) &gt;&gt; 4) ^ (((size_t)x) &gt;&gt; 9) ^ (((size_t)x) &gt;&gt; 14)) % (range)</td></tr>
    133. 

  133. <tr class="separator:ac303d133f8b8a8d81799ae11d00ae1d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
    134. 

  134. </table>
    135. 

  135. <h2 class="groupheader">Macro Definition Documentation</h2>
    136. 

  136. <a class="anchor" id="a0e411d4f81a169c97c319d4e84df5747"></a>
    137. 

  137. <div class="memitem">
    138. 

  138. <div class="memproto">
    139. 

  139.       <table class="memname">
    140. 

  140.         <tr>
    141. 

  141.           <td class="memname">#define GPR_ARRAY_SIZE</td>
    142. 

  142.           <td>(</td>
    143. 

  143.           <td class="paramtype">&#160;</td>
    144. 

  144.           <td class="paramname">array</td><td>)</td>
    145. 

  145.           <td>&#160;&#160;&#160;(sizeof(array) / sizeof(*(array)))</td>
    146. 

  146.         </tr>
    147. 

  147.       </table>
    148. 

  148. </div><div class="memdoc">
    149. 

  149. 

  150. </div>
    151. 

  151. </div>
    152. 

  152. <a class="anchor" id="af797bf1803f9809b3ccceaa619078c89"></a>
    153. 

  153. <div class="memitem">
    154. 

  154. <div class="memproto">
    155. 

  155.       <table class="memname">
    156. 

  156.         <tr>
    157. 

  157.           <td class="memname">#define GPR_BITCLEAR</td>
    158. 

  158.           <td>(</td>
    159. 

  159.           <td class="paramtype">&#160;</td>
    160. 

  160.           <td class="paramname">i, </td>
    161. 

  161.         </tr>
    162. 

  162.         <tr>
    163. 

  163.           <td class="paramkey"></td>
    164. 

  164.           <td></td>
    165. 

  165.           <td class="paramtype">&#160;</td>
    166. 

  166.           <td class="paramname">n&#160;</td>
    167. 

  167.         </tr>
    168. 

  168.         <tr>
    169. 

  169.           <td></td>
    170. 

  170.           <td>)</td>
    171. 

  171.           <td></td><td>&#160;&#160;&#160;((*(i)) &amp;= ~(1u &lt;&lt; (n)))</td>
    172. 

  172.         </tr>
    173. 

  173.       </table>
    174. 

  174. </div><div class="memdoc">
    175. 

  175. 

  176. <p>Clear the <em>n-th</em> bit of <em>i</em> (a mutable pointer). </p>
    177. 

  177. 

  178. </div>
    179. 

  179. </div>
    180. 

  180. <a class="anchor" id="a8f51444fe97eb3f83184b98035e3357f"></a>
    181. 

  181. <div class="memitem">
    182. 

  182. <div class="memproto">
    183. 

  183.       <table class="memname">
    184. 

  184.         <tr>
    185. 

  185.           <td class="memname">#define GPR_BITCOUNT</td>
    186. 

  186.           <td>(</td>
    187. 

  187.           <td class="paramtype">&#160;</td>
    188. 

  188.           <td class="paramname">i</td><td>)</td>
    189. 

  189.           <td></td>
    190. 

  190.         </tr>
    191. 

  191.       </table>
    192. 

  192. </div><div class="memdoc">
    193. 

  193. <b>Value:</b><div class="fragment"><div class="line">(((<a class="code" href="useful_8h.html#a601e1be692fe7922b52991a5d410b945">GPR_INTERNAL_HEXDIGIT_BITCOUNT</a>(i) +         \</div>
    194. 

  194. <div class="line">     (<a class="code" href="useful_8h.html#a601e1be692fe7922b52991a5d410b945">GPR_INTERNAL_HEXDIGIT_BITCOUNT</a>(i) &gt;&gt; 4)) &amp; \</div>
    195. 

  195. <div class="line">    0x0f0f0f0f) %                                \</div>
    196. 

  196. <div class="line">   255)</div>
    197. 

  197. <div class="ttc" id="useful_8h_html_a601e1be692fe7922b52991a5d410b945"><div class="ttname"><a href="useful_8h.html#a601e1be692fe7922b52991a5d410b945">GPR_INTERNAL_HEXDIGIT_BITCOUNT</a></div><div class="ttdeci">#define GPR_INTERNAL_HEXDIGIT_BITCOUNT(x)</div><div class="ttdef"><b>Definition:</b> useful.h:64</div></div>
    198. 

  198. </div><!-- fragment -->
    199. 

  199. <p>Returns number of bits set in bitset <em>i</em>. </p>
    200. 

  200. 

  201. </div>
    202. 

  202. </div>
    203. 

  203. <a class="anchor" id="a7c54bb2fffdaae24ba38ca5e5c53ab41"></a>
    204. 

  204. <div class="memitem">
    205. 

  205. <div class="memproto">
    206. 

  206.       <table class="memname">
    207. 

  207.         <tr>
    208. 

  208.           <td class="memname">#define GPR_BITGET</td>
    209. 

  209.           <td>(</td>
    210. 

  210.           <td class="paramtype">&#160;</td>
    211. 

  211.           <td class="paramname">i, </td>
    212. 

  212.         </tr>
    213. 

  213.         <tr>
    214. 

  214.           <td class="paramkey"></td>
    215. 

  215.           <td></td>
    216. 

  216.           <td class="paramtype">&#160;</td>
    217. 

  217.           <td class="paramname">n&#160;</td>
    218. 

  218.         </tr>
    219. 

  219.         <tr>
    220. 

  220.           <td></td>
    221. 

  221.           <td>)</td>
    222. 

  222.           <td></td><td>&#160;&#160;&#160;(((i) &amp; (1u &lt;&lt; (n))) != 0)</td>
    223. 

  223.         </tr>
    224. 

  224.       </table>
    225. 

  225. </div><div class="memdoc">
    226. 

  226. 

  227. <p>Get the <em>n-th</em> bit of <em>i</em>. </p>
    228. 

  228. 

  229. </div>
    230. 

  230. </div>
    231. 

  231. <a class="anchor" id="a28de4ed955bfc2bff309061b7820a37a"></a>
    232. 

  232. <div class="memitem">
    233. 

  233. <div class="memproto">
    234. 

  234.       <table class="memname">
    235. 

  235.         <tr>
    236. 

  236.           <td class="memname">#define GPR_BITSET</td>
    237. 

  237.           <td>(</td>
    238. 

  238.           <td class="paramtype">&#160;</td>
    239. 

  239.           <td class="paramname">i, </td>
    240. 

  240.         </tr>
    241. 

  241.         <tr>
    242. 

  242.           <td class="paramkey"></td>
    243. 

  243.           <td></td>
    244. 

  244.           <td class="paramtype">&#160;</td>
    245. 

  245.           <td class="paramname">n&#160;</td>
    246. 

  246.         </tr>
    247. 

  247.         <tr>
    248. 

  248.           <td></td>
    249. 

  249.           <td>)</td>
    250. 

  250.           <td></td><td>&#160;&#160;&#160;((*(i)) |= (1u &lt;&lt; (n)))</td>
    251. 

  251.         </tr>
    252. 

  252.       </table>
    253. 

  253. </div><div class="memdoc">
    254. 

  254. 

  255. <p>Set the <em>n-th</em> bit of <em>i</em> (a mutable pointer). </p>
    256. 

  256. 

  257. </div>
    258. 

  258. </div>
    259. 

  259. <a class="anchor" id="ac974b8c13ee716193e0ee30d9513672c"></a>
    260. 

  260. <div class="memitem">
    261. 

  261. <div class="memproto">
    262. 

  262.       <table class="memname">
    263. 

  263.         <tr>
    264. 

  264.           <td class="memname">#define GPR_CLAMP</td>
    265. 

  265.           <td>(</td>
    266. 

  266.           <td class="paramtype">&#160;</td>
    267. 

  267.           <td class="paramname">a, </td>
    268. 

  268.         </tr>
    269. 

  269.         <tr>
    270. 

  270.           <td class="paramkey"></td>
    271. 

  271.           <td></td>
    272. 

  272.           <td class="paramtype">&#160;</td>
    273. 

  273.           <td class="paramname">min, </td>
    274. 

  274.         </tr>
    275. 

  275.         <tr>
    276. 

  276.           <td class="paramkey"></td>
    277. 

  277.           <td></td>
    278. 

  278.           <td class="paramtype">&#160;</td>
    279. 

  279.           <td class="paramname">max&#160;</td>
    280. 

  280.         </tr>
    281. 

  281.         <tr>
    282. 

  282.           <td></td>
    283. 

  283.           <td>)</td>
    284. 

  284.           <td></td><td>&#160;&#160;&#160;((a) &lt; (min) ? (min) : (a) &gt; (max) ? (max) : (a))</td>
    285. 

  285.         </tr>
    286. 

  286.       </table>
    287. 

  287. </div><div class="memdoc">
    288. 

  288. 

  289. </div>
    290. 

  290. </div>
    291. 

  291. <a class="anchor" id="ac303d133f8b8a8d81799ae11d00ae1d3"></a>
    292. 

  292. <div class="memitem">
    293. 

  293. <div class="memproto">
    294. 

  294.       <table class="memname">
    295. 

  295.         <tr>
    296. 

  296.           <td class="memname">#define GPR_HASH_POINTER</td>
    297. 

  297.           <td>(</td>
    298. 

  298.           <td class="paramtype">&#160;</td>
    299. 

  299.           <td class="paramname">x, </td>
    300. 

  300.         </tr>
    301. 

  301.         <tr>
    302. 

  302.           <td class="paramkey"></td>
    303. 

  303.           <td></td>
    304. 

  304.           <td class="paramtype">&#160;</td>
    305. 

  305.           <td class="paramname">range&#160;</td>
    306. 

  306.         </tr>
    307. 

  307.         <tr>
    308. 

  308.           <td></td>
    309. 

  309.           <td>)</td>
    310. 

  310.           <td></td><td>&#160;&#160;&#160;((((size_t)x) &gt;&gt; 4) ^ (((size_t)x) &gt;&gt; 9) ^ (((size_t)x) &gt;&gt; 14)) % (range)</td>
    311. 

  311.         </tr>
    312. 

  312.       </table>
    313. 

  313. </div><div class="memdoc">
    314. 

  314. 

  315. </div>
    316. 

  316. </div>
    317. 

  317. <a class="anchor" id="a0f5453aa5dc6d3314ad8a894177d257b"></a>
    318. 

  318. <div class="memitem">
    319. 

  319. <div class="memproto">
    320. 

  320.       <table class="memname">
    321. 

  321.         <tr>
    322. 

  322.           <td class="memname">#define GPR_ICMP</td>
    323. 

  323.           <td>(</td>
    324. 

  324.           <td class="paramtype">&#160;</td>
    325. 

  325.           <td class="paramname">a, </td>
    326. 

  326.         </tr>
    327. 

  327.         <tr>
    328. 

  328.           <td class="paramkey"></td>
    329. 

  329.           <td></td>
    330. 

  330.           <td class="paramtype">&#160;</td>
    331. 

  331.           <td class="paramname">b&#160;</td>
    332. 

  332.         </tr>
    333. 

  333.         <tr>
    334. 

  334.           <td></td>
    335. 

  335.           <td>)</td>
    336. 

  336.           <td></td><td>&#160;&#160;&#160;((a) &lt; (b) ? -1 : ((a) &gt; (b) ? 1 : 0))</td>
    337. 

  337.         </tr>
    338. 

  338.       </table>
    339. 

  339. </div><div class="memdoc">
    340. 

  340. 

  341. </div>
    342. 

  342. </div>
    343. 

  343. <a class="anchor" id="a601e1be692fe7922b52991a5d410b945"></a>
    344. 

  344. <div class="memitem">
    345. 

  345. <div class="memproto">
    346. 

  346.       <table class="memname">
    347. 

  347.         <tr>
    348. 

  348.           <td class="memname">#define GPR_INTERNAL_HEXDIGIT_BITCOUNT</td>
    349. 

  349.           <td>(</td>
    350. 

  350.           <td class="paramtype">&#160;</td>
    351. 

  351.           <td class="paramname">x</td><td>)</td>
    352. 

  352.           <td></td>
    353. 

  353.         </tr>
    354. 

  354.       </table>
    355. 

  355. </div><div class="memdoc">
    356. 

  356. <b>Value:</b><div class="fragment"><div class="line">((x) - (((x) &gt;&gt; 1) &amp; 0x77777777) - (((x) &gt;&gt; 2) &amp; 0x33333333) - \</div>
    357. 

  357. <div class="line">   (((x) &gt;&gt; 3) &amp; 0x11111111))</div>
    358. 

  358. </div><!-- fragment -->
    359. 

  359. </div>
    360. 

  360. </div>
    361. 

  361. <a class="anchor" id="af50c518bb1183da84adb7d8a86cd568a"></a>
    362. 

  362. <div class="memitem">
    363. 

  363. <div class="memproto">
    364. 

  364.       <table class="memname">
    365. 

  365.         <tr>
    366. 

  366.           <td class="memname">#define GPR_MAX</td>
    367. 

  367.           <td>(</td>
    368. 

  368.           <td class="paramtype">&#160;</td>
    369. 

  369.           <td class="paramname">a, </td>
    370. 

  370.         </tr>
    371. 

  371.         <tr>
    372. 

  372.           <td class="paramkey"></td>
    373. 

  373.           <td></td>
    374. 

  374.           <td class="paramtype">&#160;</td>
    375. 

  375.           <td class="paramname">b&#160;</td>
    376. 

  376.         </tr>
    377. 

  377.         <tr>
    378. 

  378.           <td></td>
    379. 

  379.           <td>)</td>
    380. 

  380.           <td></td><td>&#160;&#160;&#160;((a) &gt; (b) ? (a) : (b))</td>
    381. 

  381.         </tr>
    382. 

  382.       </table>
    383. 

  383. </div><div class="memdoc">
    384. 

  384. 

  385. </div>
    386. 

  386. </div>
    387. 

  387. <a class="anchor" id="a298322c952526928cf8dbc7aaba7b84d"></a>
    388. 

  388. <div class="memitem">
    389. 

  389. <div class="memproto">
    390. 

  390.       <table class="memname">
    391. 

  391.         <tr>
    392. 

  392.           <td class="memname">#define GPR_MIN</td>
    393. 

  393.           <td>(</td>
    394. 

  394.           <td class="paramtype">&#160;</td>
    395. 

  395.           <td class="paramname">a, </td>
    396. 

  396.         </tr>
    397. 

  397.         <tr>
    398. 

  398.           <td class="paramkey"></td>
    399. 

  399.           <td></td>
    400. 

  400.           <td class="paramtype">&#160;</td>
    401. 

  401.           <td class="paramname">b&#160;</td>
    402. 

  402.         </tr>
    403. 

  403.         <tr>
    404. 

  404.           <td></td>
    405. 

  405.           <td>)</td>
    406. 

  406.           <td></td><td>&#160;&#160;&#160;((a) &lt; (b) ? (a) : (b))</td>
    407. 

  407.         </tr>
    408. 

  408.       </table>
    409. 

  409. </div><div class="memdoc">
    410. 

  410. 

  411. <p>useful macros that don't belong anywhere else </p>
    412. 

  412. 

  413. </div>
    414. 

  414. </div>
    415. 

  415. <a class="anchor" id="a6f7a8aba8e044f6b20fc8a7560f28f85"></a>
    416. 

  416. <div class="memitem">
    417. 

  417. <div class="memproto">
    418. 

  418.       <table class="memname">
    419. 

  419.         <tr>
    420. 

  420.           <td class="memname">#define GPR_ROTL</td>
    421. 

  421.           <td>(</td>
    422. 

  422.           <td class="paramtype">&#160;</td>
    423. 

  423.           <td class="paramname">x, </td>
    424. 

  424.         </tr>
    425. 

  425.         <tr>
    426. 

  426.           <td class="paramkey"></td>
    427. 

  427.           <td></td>
    428. 

  428.           <td class="paramtype">&#160;</td>
    429. 

  429.           <td class="paramname">n&#160;</td>
    430. 

  430.         </tr>
    431. 

  431.         <tr>
    432. 

  432.           <td></td>
    433. 

  433.           <td>)</td>
    434. 

  434.           <td></td><td>&#160;&#160;&#160;(((x) &lt;&lt; (n)) | ((x) &gt;&gt; (sizeof(x) * 8 - (n))))</td>
    435. 

  435.         </tr>
    436. 

  436.       </table>
    437. 

  437. </div><div class="memdoc">
    438. 

  438. 

  439. <p>rotl, rotr assume x is unsigned </p>
    440. 

  440. 

  441. </div>
    442. 

  442. </div>
    443. 

  443. <a class="anchor" id="a5ff4b278972e799dc134963a0249f316"></a>
    444. 

  444. <div class="memitem">
    445. 

  445. <div class="memproto">
    446. 

  446.       <table class="memname">
    447. 

  447.         <tr>
    448. 

  448.           <td class="memname">#define GPR_ROTR</td>
    449. 

  449.           <td>(</td>
    450. 

  450.           <td class="paramtype">&#160;</td>
    451. 

  451.           <td class="paramname">x, </td>
    452. 

  452.         </tr>
    453. 

  453.         <tr>
    454. 

  454.           <td class="paramkey"></td>
    455. 

  455.           <td></td>
    456. 

  456.           <td class="paramtype">&#160;</td>
    457. 

  457.           <td class="paramname">n&#160;</td>
    458. 

  458.         </tr>
    459. 

  459.         <tr>
    460. 

  460.           <td></td>
    461. 

  461.           <td>)</td>
    462. 

  462.           <td></td><td>&#160;&#160;&#160;(((x) &gt;&gt; (n)) | ((x) &lt;&lt; (sizeof(x) * 8 - (n))))</td>
    463. 

  463.         </tr>
    464. 

  464.       </table>
    465. 

  465. </div><div class="memdoc">
    466. 

  466. 

  467. </div>
    468. 

  468. </div>
    469. 

  469. <a class="anchor" id="a9f884f8218a97ed9739e2dac467f0719"></a>
    470. 

  470. <div class="memitem">
    471. 

  471. <div class="memproto">
    472. 

  472.       <table class="memname">
    473. 

  473.         <tr>
    474. 

  474.           <td class="memname">#define GPR_SWAP</td>
    475. 

  475.           <td>(</td>
    476. 

  476.           <td class="paramtype">&#160;</td>
    477. 

  477.           <td class="paramname">type, </td>
    478. 

  478.         </tr>
    479. 

  479.         <tr>
    480. 

  480.           <td class="paramkey"></td>
    481. 

  481.           <td></td>
    482. 

  482.           <td class="paramtype">&#160;</td>
    483. 

  483.           <td class="paramname">a, </td>
    484. 

  484.         </tr>
    485. 

  485.         <tr>
    486. 

  486.           <td class="paramkey"></td>
    487. 

  487.           <td></td>
    488. 

  488.           <td class="paramtype">&#160;</td>
    489. 

  489.           <td class="paramname">b&#160;</td>
    490. 

  490.         </tr>
    491. 

  491.         <tr>
    492. 

  492.           <td></td>
    493. 

  493.           <td>)</td>
    494. 

  494.           <td></td><td></td>
    495. 

  495.         </tr>
    496. 

  496.       </table>
    497. 

  497. </div><div class="memdoc">
    498. 

  498. <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> {                       \</div>
    499. 

  499. <div class="line">    type x = a;              \</div>
    500. 

  500. <div class="line">    a = b;                   \</div>
    501. 

  501. <div class="line">    b = x;                   \</div>
    502. 

  502. <div class="line">  } <span class="keywordflow">while</span> (0)</div>
    503. 

  503. </div><!-- fragment -->
    504. 

  504. </div>
    505. 

  505. </div>
    506. 

  506. </div><!-- contents -->
    507. 

  507. <!-- start footer part -->
    508. 

  508. <hr class="footer"/><address class="footer"><small>
    509. 

  509. Generated on Wed Jun 21 2017 14:13:07 for GRPC Core by &#160;<a href="http://www.doxygen.org/index.html">
    510. 

  510. <img class="footer" src="doxygen.png" alt="doxygen"/>
    511. 

  511. </a> 1.8.6
    512. 

  512. </small></address>
    513. 

  513. </body>
    514. 

  514. </html>
    515.