ing codesum"><span class="anchor" id="boundprocedure-set_var_tolerance"></span><h3>procedure, public :: <strong>set_var_tolerance</strong>  => es_set_var_tol         
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    private  subroutine es_set_var_tol(this, x)  
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  <p>Sets the convergence on change in variable tolerance.</p>

  <h4>Arguments</h4>
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        <th>Type</th>
<th>I