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/usr/include/gsl/gsl_permute.h is in libgsl-dev 2.4+dfsg-6.

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#ifndef __GSL_PERMUTE_H__
#define __GSL_PERMUTE_H__

#include <gsl/gsl_permute_complex_long_double.h>
#include <gsl/gsl_permute_complex_double.h>
#include <gsl/gsl_permute_complex_float.h>

#include <gsl/gsl_permute_long_double.h>
#include <gsl/gsl_permute_double.h>
#include <gsl/gsl_permute_float.h>

#include <gsl/gsl_permute_ulong.h>
#include <gsl/gsl_permute_long.h>

#include <gsl/gsl_permute_uint.h>
#include <gsl/gsl_permute_int.h>

#include <gsl/gsl_permute_ushort.h>
#include <gsl/gsl_permute_short.h>

#include <gsl/gsl_permute_uchar.h>
#include <gsl/gsl_permute_char.h>

#endif /* __GSL_PERMUTE_H__ */