st_from_doubleq1_purec</b></a>
  function is used to initialize <i class="var">q0</i> from line 4 to
  5. <a href="#Sleef_strtoq"><b class="func">Sleef_strtoq</b></a>
  function is used to initialize <i class="var">q1</i> at line 7.
  Here, <a href="quadx86.xhtml#splat"><b class="func">Sleef_splatq2_sse2</b></a>
  function is a function for setting the specified QP FP value to all
  elements in a vector. Obtaining QP FP constants by calling these
  functions may waste some CPU time. From line 9 and
  12, <a