<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>259013</bug_id>
          
          <creation_ts>2023-07-08 03:17:11 -0700</creation_ts>
          <short_desc>[CSS Math Functions] Implement use-time handling of relative units</short_desc>
          <delta_ts>2024-09-18 23:08:04 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>CSS</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>278244</dup_id>
          
          <bug_file_loc>https://wpt.fyi/results/css/css-values/signs-abs-computed.html?label=master&amp;label=experimental&amp;product=chrome&amp;product=firefox&amp;product=safari&amp;aligned&amp;view=interop&amp;q=label%3Ainterop-2023-mathfunctions</bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Tim Nguyen (:ntim)">ntim</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1965750</commentid>
    <comment_count>0</comment_count>
    <who name="Tim Nguyen (:ntim)">ntim</who>
    <bug_when>2023-07-08 03:17:11 -0700</bug_when>
    <thetext>sign(10px - 1em) should return 0 if font-size is 10px, right now it returns 1px, which is incorrect.

See failures in https://wpt.fyi/results/css/css-values/signs-abs-computed.html?label=master&amp;label=experimental&amp;product=chrome&amp;product=firefox&amp;product=safari&amp;aligned&amp;view=interop&amp;q=label%3Ainterop-2023-mathfunctions</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1965751</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2023-07-08 03:17:20 -0700</bug_when>
    <thetext>&lt;rdar://problem/111949502&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1965752</commentid>
    <comment_count>2</comment_count>
    <who name="Tim Nguyen (:ntim)">ntim</who>
    <bug_when>2023-07-08 03:17:58 -0700</bug_when>
    <thetext>ditto for sign(10px - 2em), that should be -1 with font-size 10px.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1965773</commentid>
    <comment_count>3</comment_count>
    <who name="Tim Nguyen (:ntim)">ntim</who>
    <bug_when>2023-07-08 13:11:16 -0700</bug_when>
    <thetext>round/mod/rem have similar failures with percentage lengths</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2061360</commentid>
    <comment_count>4</comment_count>
    <who name="Tim Nguyen (:ntim)">ntim</who>
    <bug_when>2024-09-18 23:08:04 -0700</bug_when>
    <thetext>Fixed by bug 278244

*** This bug has been marked as a duplicate of bug 278244 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>