<div><span class="Apple-style-span" style="background-color: rgb(255, 255, 255); "><pre style="font-family: Simsun; font-size: medium; ">Hi </pre><pre><font class="Apple-style-span" size="3">How can I zero the vec got from DMGetGlobalVector?</font></pre>
</span><span class="Apple-style-span" style="font-family: monospace; white-space: pre; background-color: rgb(255, 255, 255); font-size: medium; ">for example after I called </span><span class="Apple-style-span" style="background-color: rgb(255, 255, 255); "></span><span class="Apple-style-span" style="font-family: Simsun; white-space: pre; background-color: rgb(255, 255, 255); font-size: medium; ">DMGetGlobalVector(dm, &amp;g);</span></div>
<div><font class="Apple-style-span" face="Simsun" size="3"><span class="Apple-style-span" style="white-space: pre;"><br></span></font></div><div><font class="Apple-style-span" face="Simsun" size="3"><span class="Apple-style-span" style="white-space: pre;">How can I zero g globally?<br>
</span></font></div><div><br></div><div>-- </div>Hailong<br>