-style" content="black" />
  
  
<link rel="prev" href="240_na_nan_inf.html"/>
<link rel="next" href="260_error.html"/>
<script src="libs/header-attrs-2.1/header-attrs.js"></script>
<script src="libs/jquery-2.2.3/jquery.min.js"></script>
<link href="libs/gitbook-2.6.7/css/style.css" rel="stylesheet" />
<link href="libs/gitbook-2.6.7/css/plugin-table.css" rel="stylesheet" />
<link href="libs/gitbook-2.6.7/css/plugin-bookdown.css" rel="stylesheet" />
<link href="libs/gitbook-2.6.7/css/plugin-highlight.css" re