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@@ -81,48 +81,29 @@ $(document).ready(function() { init_codefold(0); });
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<div class="headertitle"><div class="title">mulDiv.h</div></div>
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</div><!--header-->
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<div class="contents">
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2012-2015 Ripple Labs Inc.</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#ifndef XRPL_BASICS_MULDIV_H_INCLUDED</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define XRPL_BASICS_MULDIV_H_INCLUDED</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/limits.html">limits</a>></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>></span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff"> 28</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">muldiv_max</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits<std::uint64_t>::max</a>();</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint64_t></a></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><a class="code hl_function" href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f">mulDiv</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> value, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> mul, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> div);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>} <span class="comment">// namespace ripple</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#endif</span></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef XRPL_BASICS_MULDIV_H_INCLUDED</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define XRPL_BASICS_MULDIV_H_INCLUDED</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/limits.html">limits</a>></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>></span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"><a class="line" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff"> 9</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">muldiv_max</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits<std::uint64_t>::max</a>();</div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint64_t></a></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><a class="code hl_function" href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f">mulDiv</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> value, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> mul, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> div);</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span>} <span class="comment">// namespace ripple</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#endif</span></div>
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<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a></div></div>
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<div class="ttc" id="alimits_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/limits.html">limits</a></div></div>
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<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits::max</a></div><div class="ttdeci">T max(T... args)</div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00025">algorithm.h:25</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a35f7ac66150d292c46b69b25aca9d5ff"><div class="ttname"><a href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">ripple::muldiv_max</a></div><div class="ttdeci">auto constexpr muldiv_max</div><div class="ttdef"><b>Definition</b> <a href="mulDiv_8h_source.html#l00028">mulDiv.h:28</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ad012d6a36cd38b19ab4d8b47521fbd5f"><div class="ttname"><a href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f">ripple::mulDiv</a></div><div class="ttdeci">std::optional< std::uint64_t > mulDiv(std::uint64_t value, std::uint64_t mul, std::uint64_t div)</div><div class="ttdoc">Return value*mul/div accurately.</div><div class="ttdef"><b>Definition</b> <a href="libxrpl_2basics_2mulDiv_8cpp_source.html#l00032">libxrpl/basics/mulDiv.cpp:32</a></div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a35f7ac66150d292c46b69b25aca9d5ff"><div class="ttname"><a href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">ripple::muldiv_max</a></div><div class="ttdeci">auto constexpr muldiv_max</div><div class="ttdef"><b>Definition</b> <a href="mulDiv_8h_source.html#l00009">mulDiv.h:9</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ad012d6a36cd38b19ab4d8b47521fbd5f"><div class="ttname"><a href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f">ripple::mulDiv</a></div><div class="ttdeci">std::optional< std::uint64_t > mulDiv(std::uint64_t value, std::uint64_t mul, std::uint64_t div)</div><div class="ttdoc">Return value*mul/div accurately.</div><div class="ttdef"><b>Definition</b> <a href="libxrpl_2basics_2mulDiv_8cpp_source.html#l00013">libxrpl/basics/mulDiv.cpp:13</a></div></div>
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<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
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