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bthomee
2025-04-04 12:32:46 +00:00
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@@ -109,20 +109,18 @@ $(function() {
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint64_t&gt;</a></div> <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint64_t&gt;</a></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f"> 32</a></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> <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="namespaceripple.html#ad012d6a36cd38b19ab4d8b47521fbd5f"> 32</a></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>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>{</div> <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>{</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">using namespace </span>boost::multiprecision;</div> <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> boost::multiprecision::uint128_t result;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div> <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> result = <a class="code hl_function" href="namespaceripple.html#a5adb540ae694e45bca2ad089fff15128">multiply</a>(result, value, mul);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> uint128_t result;</div> <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> result = <a class="code hl_function" href="namespaceripple.html#a5adb540ae694e45bca2ad089fff15128">multiply</a>(result, value, mul);</div> <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> result /= div;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div> <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> result /= div;</div> <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (result &gt; <a class="code hl_variable" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">ripple::muldiv_max</a>)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">if</span> (result &gt; <a class="code hl_variable" href="namespaceripple.html#a35f7ac66150d292c46b69b25aca9d5ff">ripple::muldiv_max</a>)</div> <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> std::nullopt;</div> <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a><span class="keyword">&gt;</span>(result);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div> <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a><span class="keyword">&gt;</span>(result);</div> <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div> <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>} <span class="comment">// namespace ripple</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div> <div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div>
<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> <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>
<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#l00026">algorithm.h:26</a></div></div> <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#l00026">algorithm.h:26</a></div></div>