<html>#1072: User guide does not explain how to use boolean parameters from Fortran.
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<tr><td style='text-align:right'> Reporter:</td><td>Ian Hinder</td></tr>
<tr><td style='text-align:right'> Status:</td><td>new</td></tr>
<tr><td style='text-align:right'>Milestone:</td><td></td></tr>
<tr><td style='text-align:right'> Version:</td><td></td></tr>
<tr><td style='text-align:right'> Type:</td><td>bug</td></tr>
<tr><td style='text-align:right'> Priority:</td><td>minor</td></tr>
<tr><td style='text-align:right'>Component:</td><td>Cactus</td></tr>
</table>
<p>Comment (by Roland Haas):</p>
<p>There is an explanation present since at least git hash <a data-is-external-link="true" href="https://bitbucket.org/cactuscode/cactus/commits/3c44bc840a8f4ecb7b313a4e1e29051b9f19481f" rel="nofollow">3c44bc84</a> "Fixed numerous spelling errors, some grammatical boo-boos, formatting flaws (inlcuding gratuitous hyphenation and un-dotted 'e.g.' and 'i.e')" of <a data-is-external-link="true" href="https://bitbucket.org/cactuscode/cactus" rel="nofollow">cactus</a> which is from Mon Jan 5 16:28:24 2004. This is in <a data-is-external-link="true" href="https://www.einsteintoolkit.org/usersguide/UsersGuide.html#x1-87000C1.6.2" rel="nofollow">doc/UsersGuide/ThornWriters.tex</a> and currently reads:</p>
<blockquote>
<p>All parameters defined in a thorn’s param.ccl and all global parameters, appear as local variables of the corresponding CCTK data type in Fortran source code, i.e. <strong>Booleans and Integers appear as CCTK_INT types</strong> (with nonzero/zero values for boolean yes/no), Reals as CCTK_REAL, and Keywords and String parameters as CCTK_STRING (see also note below).</p>
</blockquote>
<p></p>
<p>--<br/>
Ticket URL: <a href='https://bitbucket.org/einsteintoolkit/tickets/issues/1072/user-guide-does-not-explain-how-to-use'>https://bitbucket.org/einsteintoolkit/tickets/issues/1072/user-guide-does-not-explain-how-to-use</a></p>
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