0025   use <span class="keywordflow">ssht_error_mod</span>
<a name="l00026"></a>00026   use <span class="keywordflow">ssht_sampling_mod</span>
<a name="l00027"></a>00027   use <span class="keywordflow">ssht_core_mod</span>
<a name="l00028"></a>00028 <span class="preprocessor">#ifdef NAGFOR</span>
<a name="l00029"></a>00029   use <span class="keywordflow">F90_UNIX_ENV</span>
<a name="l00030"></a>00030 <span class="preprocessor">#endif</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032   <span clas