 title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="Calling-FFTW-from-Modern-Fortran-1"></a>
<h2 class="chapter">7 Calling FFTW from Modern Fortran</h2>
<a name="index-Fortran-interface-2"></a>

<p>Fortran 2003 standardized ways for Fortran code to call C libraries,
and this allows us to support a direct translation of the FFTW C API
into Fortran.  Compared to the legacy Fortran 77 interface
(see <a href="Calling-FFTW-from-Legacy-Fortran.html#Calling-FFTW-from-Legacy-Fortran">Calling FFTW from Le