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<a href="field__10x26_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2013, 2014 Pieter Wuille *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Distributed under the MIT software license, see the accompanying *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * file COPYING or http://www.opensource.org/licenses/mit-license.php.*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef _SECP256K1_FIELD_REPR_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define _SECP256K1_FIELD_REPR_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="structsecp256k1__fe.html"> 12</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="comment">/* X = sum(i=0..9, elem[i]*2^26) mod n */</span></div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="structsecp256k1__fe.html#a4e7c00a989d1da635e7ffd33105d62df"> 14</a></span>  uint32_t <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>[10];</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifdef VERIFY</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keywordtype">int</span> magnitude;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keywordtype">int</span> normalized;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> } <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a>;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/* Unpacks a constant into a overlapping multi-limbed FE element. */</span></div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="field__10x26_8h.html#ada11f3eca644a2310ab658a0146dbd5d"> 22</a></span> <span class="preprocessor">#define SECP256K1_FE_CONST_INNER(d7, d6, d5, d4, d3, d2, d1, d0) { \</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"> (d0) & 0x3FFFFFFUL, \</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"> (((uint32_t)d0) >> 26) | (((uint32_t)(d1) & 0xFFFFFUL) << 6), \</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"> (((uint32_t)d1) >> 20) | (((uint32_t)(d2) & 0x3FFFUL) << 12), \</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"> (((uint32_t)d2) >> 14) | (((uint32_t)(d3) & 0xFFUL) << 18), \</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"> (((uint32_t)d3) >> 8) | (((uint32_t)(d4) & 0x3UL) << 24), \</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"> (((uint32_t)d4) >> 2) & 0x3FFFFFFUL, \</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"> (((uint32_t)d4) >> 28) | (((uint32_t)(d5) & 0x3FFFFFUL) << 4), \</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"> (((uint32_t)d5) >> 22) | (((uint32_t)(d6) & 0xFFFFUL) << 10), \</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"> (((uint32_t)d6) >> 16) | (((uint32_t)(d7) & 0x3FFUL) << 16), \</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"> (((uint32_t)d7) >> 10) \</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">}</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifdef VERIFY</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define SECP256K1_FE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {SECP256K1_FE_CONST_INNER((d7), (d6), (d5), (d4), (d3), (d2), (d1), (d0)), 1, 1}</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="field__10x26_8h.html#a8c00ba3d97ea0d9b0d461463e890de15"> 38</a></span> <span class="preprocessor">#define SECP256K1_FE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {SECP256K1_FE_CONST_INNER((d7), (d6), (d5), (d4), (d3), (d2), (d1), (d0))}</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structsecp256k1__fe__storage.html"> 41</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structsecp256k1__fe__storage.html#a63f0548b6674a57ab1d2c6271008c037"> 42</a></span>  uint32_t <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>[8];</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <a class="code" href="structsecp256k1__fe__storage.html">secp256k1_fe_storage</a>;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="field__10x26_8h.html#ae6927483c41044bd04e5f8efb42f53ba"> 45</a></span> <span class="preprocessor">#define SECP256K1_FE_STORAGE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {{ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}</span></div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="field__10x26_8h.html#a07b67ff641d5db9df0691b14cdc29584"> 46</a></span> <span class="preprocessor">#define SECP256K1_FE_STORAGE_CONST_GET(d) d.n[7], d.n[6], d.n[5], d.n[4],d.n[3], d.n[2], d.n[1], d.n[0]</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structsecp256k1__fe_html"><div class="ttname"><a href="structsecp256k1__fe.html">secp256k1_fe</a></div><div class="ttdef"><b>Definition:</b> <a href="field__10x26_8h_source.html#l00012">field_10x26.h:12</a></div></div>
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<div class="ttc" id="namespacefix-copyright-headers_html_aed10e06fbf20b2e50f73ff2d61f59e45"><div class="ttname"><a href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">fix-copyright-headers.n</a></div><div class="ttdeci">int n</div><div class="ttdef"><b>Definition:</b> <a href="fix-copyright-headers_8py_source.html#l00046">fix-copyright-headers.py:46</a></div></div>
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<div class="ttc" id="structsecp256k1__fe__storage_html"><div class="ttname"><a href="structsecp256k1__fe__storage.html">secp256k1_fe_storage</a></div><div class="ttdef"><b>Definition:</b> <a href="field__10x26_8h_source.html#l00041">field_10x26.h:41</a></div></div>
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