*/
#include "gmxpre.h"
-#include "gromacs/fft/fft.h"
-
#include <errno.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
+#include "external/fftpack/fftpack.h"
+
+#include "gromacs/fft/fft.h"
#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/real.h"
-#include "external/fftpack/fftpack.h"
-
/*! \internal
* \brief
* Contents of the FFTPACK fft datatype.