_log10q1_u10purec</b>( <b class="type">Sleef_quad</b> <i class="var">a</i> );<br/>
<b class="type">Sleef_quad</b> <b class="func">Sleef_log10q1_u10purecfma</b>( <b class="type">Sleef_quad</b> <i class="var">a</i> );<br/>
<br/>
<span class="normal">Link with</span> -lsleefquad -ltlfloat.
</p>

<p class="header">Description</p>

<p class="noindent">
  These functions return the base-10 logarithm
  of <i class="var">a</i>.  The error bound of the returned value is
  1.0 ULP.
</p>

<hr/>

<p class="funcname"><b