Skip to content

Add baby CAS unit conversion #89

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
jessealama wants to merge 3 commits into
base: main
Choose a base branch
from
Draft

Add baby CAS unit conversion #89

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
4fc61a6
Use integer affine transformations for unit conversion
jessealama Mar 27, 2026
2d80296
Remove excessive explanatory note
jessealama Mar 27, 2026
0d637fe
Represent offset as rational in ApplyUnitConversion, add GCD reduction
jessealama Mar 27, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
214 changes: 214 additions & 0 deletions intl.emu
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,220 @@
</emu-clause>
</emu-clause>

<emu-clause id="sec-amount-intl-unit-conversion">
<h1>Supplemental Unit Conversion Factors</h1>
<p>The following tables define additional unit conversion factors for locale-specific and regional measurement systems. These tables supplement the Unit Conversion Factors tables defined in the base specification and are searched by GetUnitConversionFactor in the same manner.</p>

<emu-table id="table-unit-conversion-factors-length-intl" caption="Unit Conversion Factors: Length (base unit: meter)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>mile-scandinavian</td>
<td>10000</td>
<td>1</td>
</tr>
<tr>
<td>rin</td>
<td>1</td>
<td>30250</td>
</tr>
<tr>
<td>sun</td>
<td>2</td>
<td>605</td>
</tr>
<tr>
<td>shaku-length</td>
<td>4</td>
<td>121</td>
</tr>
<tr>
<td>shaku-cloth</td>
<td>5</td>
<td>121</td>
</tr>
<tr>
<td>ken</td>
<td>24</td>
<td>121</td>
</tr>
<tr>
<td>jo-jp</td>
<td>40</td>
<td>121</td>
</tr>
<tr>
<td>ri-jp</td>
<td>51840</td>
<td>121</td>
</tr>
</tbody>
</table>
</emu-table>

<emu-table id="table-unit-conversion-factors-mass-intl" caption="Unit Conversion Factors: Mass (base unit: kilogram)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>fun</td>
<td>3</td>
<td>8000</td>
</tr>
</tbody>
</table>
</emu-table>

<emu-table id="table-unit-conversion-factors-volume-intl" caption="Unit Conversion Factors: Volume (base unit: cubic-meter)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>dessert-spoon-imperial</td>
<td>454609</td>
<td>204800000000</td>
</tr>
<tr>
<td>cup-imperial</td>
<td>454609</td>
<td>1600000000</td>
</tr>
<tr>
<td>kosaji</td>
<td>1</td>
<td>200000</td>
</tr>
<tr>
<td>osaji</td>
<td>3</td>
<td>200000</td>
</tr>
<tr>
<td>cup-jp</td>
<td>1</td>
<td>10000</td>
</tr>
<tr>
<td>shaku</td>
<td>2401</td>
<td>133100000</td>
</tr>
<tr>
<td>sai</td>
<td>2401</td>
<td>1331000000</td>
</tr>
<tr>
<td>to-jp</td>
<td>2401</td>
<td>133100</td>
</tr>
<tr>
<td>koku</td>
<td>2401</td>
<td>13310</td>
</tr>
</tbody>
</table>
</emu-table>

<emu-table id="table-unit-conversion-factors-area-intl" caption="Unit Conversion Factors: Area (base unit: square-meter)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>bu-jp</td>
<td>400</td>
<td>121</td>
</tr>
<tr>
<td>se-jp</td>
<td>12000</td>
<td>121</td>
</tr>
<tr>
<td>cho</td>
<td>1200000</td>
<td>121</td>
</tr>
</tbody>
</table>
</emu-table>

<emu-table id="table-unit-conversion-factors-duration-intl" caption="Unit Conversion Factors: Duration (base unit: second)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>day-person</td>
<td>86400</td>
<td>1</td>
</tr>
<tr>
<td>week-person</td>
<td>604800</td>
<td>1</td>
</tr>
</tbody>
</table>
</emu-table>

<emu-table id="table-unit-conversion-factors-year-duration-intl" caption="Unit Conversion Factors: Year Duration (base unit: year)">
<table>
<thead>
<tr>
<th>Unit</th>
<th>Numerator</th>
<th>Denominator</th>
</tr>
</thead>
<tbody>
<tr>
<td>month-person</td>
<td>1</td>
<td>12</td>
</tr>
<tr>
<td>year-person</td>
<td>1</td>
<td>1</td>
</tr>
</tbody>
</table>
</emu-table>
</emu-clause>

<emu-clause id="sec-amount-intl-normative-references">
<h1>Amendment to the Normative References of ECMA-402</h1>
<emu-note type="editor">
Expand Down
Loading
Loading