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10 lines
3.9 KiB
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<!DOCTYPE html><html lang='en'><head><title>[qty.abs.pt.orig]</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'>5.7</a> Quantity point <a class='abbr_ref' href='qty.pt.html#qty.abs.pt.orig'>[qty.pt]</a></h2><h3 ><a class='secnum' style='min-width:80pt'>5.7.2</a> Point origin <a class='abbr_ref' href='qty.pt.orig.html#qty.abs.pt.orig'>[qty.pt.orig]</a></h3><h4 ><a class='secnum' style='min-width:95pt'>5.7.2.3</a> Types <a class='abbr_ref' href='qty.pt.orig.types.html#qty.abs.pt.orig'>[qty.pt.orig.types]</a></h4><h4 ><a class='secnum' style='min-width:110pt'>5.7.2.3.1</a> Absolute <a class='abbr_ref'>[qty.abs.pt.orig]</a></h4><div class='texpara'><span class='codeblock'><span class='keyword'>namespace</span> mp_units <span class='curlybracket'>{</span>
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<span class='keyword'>template</span><span class='anglebracket'><</span><a href='qty.spec.concepts.html#concept:QuantitySpec' title='5.4.3.2 Concepts [qty.spec.concepts]'><span id='conceptref:QuantitySpec'><span class='tcode_in_codeblock'>QuantitySpec</span></span></a> <span class='keyword'>auto</span> QS<span class='anglebracket'>></span>
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<span class='keyword'>struct</span> <span id='lib:absolute_point_origin'><a class='hidden_link' href='#lib:absolute_point_origin' title='5.7.2.3.1 Absolute [qty.abs.pt.orig]'>absolute_point_origin</a></span> <span class='operator'>:</span> <i >point-origin-interface</i> <span class='curlybracket'>{</span>
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<span class='keyword'>static</span> <span class='keyword'>constexpr</span> <a href='qty.spec.concepts.html#concept:QuantitySpec' title='5.4.3.2 Concepts [qty.spec.concepts]'><span id='conceptref:QuantitySpec_'><span class='tcode_in_codeblock'>QuantitySpec</span></span></a> <span class='keyword'>auto</span> <i >quantity-spec</i> <span class='operator'>=</span> QS; <span class='comment'>// <i >exposition only</i></span>
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<span class='curlybracket'>}</span>;
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<span class='curlybracket'>}</span>
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</span></div><div class='para' id='1'><div class='marginalizedparent'><a class='marginalized' href='#1'>1</a></div><div class='sourceLinkParent'><a class='sourceLink' href='https://github.com/mpusz/mp-unitse9c5f7236ebfe1b287a5a4a49aaf57fbefa87233/source/quantities.tex#L5491'>#</a></div><div class='texpara'><div id='1.sentence-1' class='sentence'>An <a class='hidden_link' href='#def:origin,absolute' title='5.7.2.3.1 Absolute [qty.abs.pt.orig]'><span id='def:origin,absolute'><i >absolute origin</i></span></a> is an origin
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chosen by convention and not defined in terms of another origin<a class='hidden_link' href='#1.sentence-1'>.</a></div> <div id='1.sentence-2' class='sentence'>A specialization of <span class='texttt'>absolute_<span class='shy'></span>point_<span class='shy'></span>origin</span> is used as a base type when defining an absolute origin<a class='hidden_link' href='#1.sentence-2'>.</a></div> <div id='1.sentence-3' class='sentence'><span class='texttt'>QS</span> is the quantity the origin represents<a class='hidden_link' href='#1.sentence-3'>.</a></div></div></div></div></body></html> |