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    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Add option to turn off argument reflowing (bin packing)"
   href="https://bugs.llvm.org/show_bug.cgi?id=37703">37703</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Add option to turn off argument reflowing (bin packing)
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>6.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Formatter
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>matthew.woehlke@kitware.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I'm having a number of issues trying to get clang-format to behave reasonably
on
<a href="https://github.com/Kitware/kwiver/blob/303a11ebb43c020ab8e48b6ef70407b460dba46b/vital/range/filter.h">https://github.com/Kitware/kwiver/blob/303a11ebb43c020ab8e48b6ef70407b460dba46b/vital/range/filter.h</a>,
using
<a href="https://gist.github.com/mwoehlke-kitware/d8ef9466df5096a035059938aef2948d">https://gist.github.com/mwoehlke-kitware/d8ef9466df5096a035059938aef2948d</a>.

For this RFE, the problem is with bin packing parameters. Ultimately, what I
want is to be able to just turn off bin packing. I usually want parameters to
be split in whatever manner is both most aesthetic and most readable. IOW, I
don't want to *enforce* one parameter per line, but there are also cases when I
don't want to enforce "optimal" packing. Sometimes it just looks worse.
Sometimes a function takes a set of parameters that just "read better" with
less than optimal packing.

Here's an example that clang-format should leave along:

  void foo(
    Eigen::Matrix4d x_matrix, double x,
    Eigen::Matrix4d y_matrix, double y)

"Optimal" packing would result in this, which (to a human) is clearly worse:

  void foo(
    Eigen::Matrix4d x_matrix, double x, Eigen::Matrix4d y_matrix,
    double y)</pre>
        </div>
      </p>


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