mp-units/HEAD/api_reference/gen/qty.ref.cmp.html

<!DOCTYPE html><html lang='en'><head><title>[qty.ref.cmp]</title><meta charset='UTF-8'/><link rel='stylesheet' type='text/css' href='14882.css'/><link rel='stylesheet' type='text/css' href='https://fonts.googleapis.com/css2?family=Noto+Serif'/><link rel='stylesheet' type='text/css' href='https://fonts.googleapis.com/css2?family=Noto+Sans'/><link rel='stylesheet' type='text/css' href='https://fonts.googleapis.com/css2?family=Noto+Sans+Mono'/><link rel='icon' href='icon.png'/><link rel='stylesheet' type='text/css' href='expanded.css' title='Normal'/><link rel='alternate stylesheet' type='text/css' href='colored.css' title='Notes and examples colored'/><link rel='alternate stylesheet' type='text/css' href='normative-only.css' title='Notes and examples hidden'/></head><body><div class='wrapper'><h1 ><a class='secnum' style='min-width:50pt'>5</a> Quantities and units library <a class='abbr_ref' href='index.html#quantities'>[quantities]</a></h1><h2 ><a class='secnum' style='min-width:65pt'>5.4</a> Reference <a class='abbr_ref' href='qty.ref.html#cmp'>[qty.ref]</a></h2><h3 ><a class='secnum' style='min-width:80pt'>5.4.8</a> Comparison <a class='abbr_ref'>[qty.ref.cmp]</a></h3><div class='texpara'><div id='lib:reference,operator=='><div id='lib:operator==,reference'><div class='itemdecl'><div class='marginalizedparent'><a class='itemDeclLink' href='#lib:operator==,reference'>🔗</a></div><code class='itemdeclcode'><span class='keyword'>template</span><span class='anglebracket'>&lt;</span><span class='keyword'>typename</span> Q2, <span class='keyword'>typename</span> U2<span class='anglebracket'>&gt;</span>
<span class='keyword'>friend</span> <span class='keyword'>consteval</span> <span class='keyword'>bool</span> <span class='keyword'>operator</span><span class='operator'>=</span><span class='operator'>=</span><span class='parenthesis'>(</span>reference, reference<span class='anglebracket'>&lt;</span>Q2, U2<span class='anglebracket'>&gt;</span><span class='parenthesis'>)</span>;
</code></div></div></div></div><div class='para' id='1'><div class='marginalizedparent'><a class='marginalized' href='#1'>1</a></div><div class='itemdescr'><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitsea06827f2730057e84c1552603f39dc02c9f38b1/source/quantities.tex#L3543'>#</a></div><div class='texpara'><div id='1.sentence-1' class='sentence'><i >Returns</i>: <span class='texttt'>Q<span class='curlybracket'>{</span><span class='curlybracket'>}</span> <span class='operator'>=</span><span class='operator'>=</span> Q2<span class='curlybracket'>{</span><span class='curlybracket'>}</span> <span class='operator'>&amp;</span><span class='operator'>&amp;</span> U<span class='curlybracket'>{</span><span class='curlybracket'>}</span> <span class='operator'>=</span><span class='operator'>=</span> U2<span class='curlybracket'>{</span><span class='curlybracket'>}</span></span><a class='hidden_link' href='#1.sentence-1'>.</a></div></div></div></div><div class='texpara'><div id='lib:AssociatedUnit,operator=='><div id='lib:operator==,AssociatedUnit'><div id='lib:reference,operator==_'><div id='lib:operator==,reference_'><div class='itemdecl'><div class='marginalizedparent'><a class='itemDeclLink' href='#lib:operator==,reference_'>🔗</a></div><code class='itemdeclcode'><span class='keyword'>template</span><span class='anglebracket'>&lt;</span><a href='qty.unit.concepts.html#concept:AssociatedUnit' title='5.4.4.4&emsp;Concepts&emsp;[qty.unit.concepts]'><span id='conceptref:AssociatedUnit'><span class='texttt'>AssociatedUnit</span></span></a> U2<span class='anglebracket'>&gt;</span>
<span class='keyword'>friend</span> <span class='keyword'>consteval</span> <span class='keyword'>bool</span> <span class='keyword'>operator</span><span class='operator'>=</span><span class='operator'>=</span><span class='parenthesis'>(</span>reference, U2 u2<span class='parenthesis'>)</span>;
</code></div></div></div></div></div></div><div class='para' id='2'><div class='marginalizedparent'><a class='marginalized' href='#2'>2</a></div><div class='itemdescr'><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitsea06827f2730057e84c1552603f39dc02c9f38b1/source/quantities.tex#L3556'>#</a></div><div class='texpara'><div id='2.sentence-1' class='sentence'><i >Returns</i>: <span class='texttt'>Q<span class='curlybracket'>{</span><span class='curlybracket'>}</span> <span class='operator'>=</span><span class='operator'>=</span> get_<span class='shy'></span>quantity_<span class='shy'></span>spec<span class='parenthesis'>(</span>u2<span class='parenthesis'>)</span> <span class='operator'>&amp;</span><span class='operator'>&amp;</span> U<span class='curlybracket'>{</span><span class='curlybracket'>}</span> <span class='operator'>=</span><span class='operator'>=</span> u2</span><a class='hidden_link' href='#2.sentence-1'>.</a></div></div></div></div><div class='texpara'><div id='lib:reference,convertible'><div id='lib:convertible,reference'><div class='itemdecl'><div class='marginalizedparent'><a class='itemDeclLink' href='#lib:convertible,reference'>🔗</a></div><code class='itemdeclcode'><span class='keyword'>template</span><span class='anglebracket'>&lt;</span><span class='keyword'>typename</span> Q2, <span class='keyword'>typename</span> U2<span class='anglebracket'>&gt;</span>
<span class='keyword'>friend</span> <span class='keyword'>consteval</span> <span class='keyword'>bool</span> convertible<span class='parenthesis'>(</span>reference, reference<span class='anglebracket'>&lt;</span>Q2, U2<span class='anglebracket'>&gt;</span><span class='parenthesis'>)</span>;
</code></div></div></div></div><div class='para' id='3'><div class='marginalizedparent'><a class='marginalized' href='#3'>3</a></div><div class='itemdescr'><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitsea06827f2730057e84c1552603f39dc02c9f38b1/source/quantities.tex#L3568'>#</a></div><div class='texpara'><div id='3.sentence-1' class='sentence'><i >Returns</i>: <span class='texttt'>implicitly_<span class='shy'></span>convertible<span class='parenthesis'>(</span>Q<span class='curlybracket'>{</span><span class='curlybracket'>}</span>, Q2<span class='curlybracket'>{</span><span class='curlybracket'>}</span><span class='parenthesis'>)</span> <span class='operator'>&amp;</span><span class='operator'>&amp;</span> convertible<span class='parenthesis'>(</span>U<span class='curlybracket'>{</span><span class='curlybracket'>}</span>, U2<span class='curlybracket'>{</span><span class='curlybracket'>}</span><span class='parenthesis'>)</span></span><a class='hidden_link' href='#3.sentence-1'>.</a></div></div></div></div><div class='texpara'><div id='lib:AssociatedUnit,convertible'><div id='lib:convertible,AssociatedUnit'><div id='lib:reference,convertible_'><div id='lib:convertible,reference_'><div class='itemdecl'><div class='marginalizedparent'><a class='itemDeclLink' href='#lib:convertible,reference_'>🔗</a></div><code class='itemdeclcode'><span class='keyword'>template</span><span class='anglebracket'>&lt;</span><a href='qty.unit.concepts.html#concept:AssociatedUnit' title='5.4.4.4&emsp;Concepts&emsp;[qty.unit.concepts]'><span id='conceptref:AssociatedUnit_'><span class='texttt'>AssociatedUnit</span></span></a> U2<span class='anglebracket'>&gt;</span>
<span class='keyword'>friend</span> <span class='keyword'>consteval</span> <span class='keyword'>bool</span> convertible<span class='parenthesis'>(</span>reference, U2 u2<span class='parenthesis'>)</span>;
</code></div></div></div></div></div></div><div class='para' id='4'><div class='marginalizedparent'><a class='marginalized' href='#4'>4</a></div><div class='itemdescr'><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitsea06827f2730057e84c1552603f39dc02c9f38b1/source/quantities.tex#L3581'>#</a></div><div class='texpara'><div id='4.sentence-1' class='sentence'><i >Returns</i>: <span class='texttt'>implicitly_<span class='shy'></span>convertible<span class='parenthesis'>(</span>Q<span class='curlybracket'>{</span><span class='curlybracket'>}</span>, get_<span class='shy'></span>quantity_<span class='shy'></span>spec<span class='parenthesis'>(</span>u2<span class='parenthesis'>)</span><span class='parenthesis'>)</span> <span class='operator'>&amp;</span><span class='operator'>&amp;</span> convertible<span class='parenthesis'>(</span>U<span class='curlybracket'>{</span><span class='curlybracket'>}</span>, u2<span class='parenthesis'>)</span></span><a class='hidden_link' href='#4.sentence-1'>.</a></div></div></div></div><div class='texpara'><div id='lib:AssociatedUnit,convertible_'><div id='lib:convertible,AssociatedUnit_'><div id='lib:reference,convertible__'><div id='lib:convertible,reference__'><div class='itemdecl'><div class='marginalizedparent'><a class='itemDeclLink' href='#lib:convertible,reference__'>🔗</a></div><code class='itemdeclcode'><span class='keyword'>template</span><span class='anglebracket'>&lt;</span><a href='qty.unit.concepts.html#concept:AssociatedUnit' title='5.4.4.4&emsp;Concepts&emsp;[qty.unit.concepts]'><span id='conceptref:AssociatedUnit__'><span class='texttt'>AssociatedUnit</span></span></a> U1<span class='anglebracket'>&gt;</span>
<span class='keyword'>friend</span> <span class='keyword'>consteval</span> <span class='keyword'>bool</span> convertible<span class='parenthesis'>(</span>U1 u1, reference<span class='parenthesis'>)</span>;
</code></div></div></div></div></div></div><div class='para' id='5'><div class='marginalizedparent'><a class='marginalized' href='#5'>5</a></div><div class='itemdescr'><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitsea06827f2730057e84c1552603f39dc02c9f38b1/source/quantities.tex#L3594'>#</a></div><div class='texpara'><div id='5.sentence-1' class='sentence'><i >Returns</i>: <span class='texttt'>implicitly_<span class='shy'></span>convertible<span class='parenthesis'>(</span>get_<span class='shy'></span>quantity_<span class='shy'></span>spec<span class='parenthesis'>(</span>u1<span class='parenthesis'>)</span>, Q<span class='curlybracket'>{</span><span class='curlybracket'>}</span><span class='parenthesis'>)</span> <span class='operator'>&amp;</span><span class='operator'>&amp;</span> convertible<span class='parenthesis'>(</span>u1, U<span class='curlybracket'>{</span><span class='curlybracket'>}</span><span class='parenthesis'>)</span></span><a class='hidden_link' href='#5.sentence-1'>.</a></div></div></div></div></div></body></html>