/usr/share/doc/sfftw-dev/fortran/fftw_f77.i is in sfftw-dev 2.1.5-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | ! This file contains PARAMETER statements for various constants
! that can be passed to FFTW routines. You should include
! this file in any FORTRAN program that calls the fftw_f77
! routines (either directly or with an #include statement
! if you use the C preprocessor).
integer FFTW_FORWARD,FFTW_BACKWARD
parameter (FFTW_FORWARD=-1,FFTW_BACKWARD=1)
integer FFTW_REAL_TO_COMPLEX,FFTW_COMPLEX_TO_REAL
parameter (FFTW_REAL_TO_COMPLEX=-1,FFTW_COMPLEX_TO_REAL=1)
integer FFTW_ESTIMATE,FFTW_MEASURE
parameter (FFTW_ESTIMATE=0,FFTW_MEASURE=1)
integer FFTW_OUT_OF_PLACE,FFTW_IN_PLACE,FFTW_USE_WISDOM
parameter (FFTW_OUT_OF_PLACE=0)
parameter (FFTW_IN_PLACE=8,FFTW_USE_WISDOM=16)
integer FFTW_THREADSAFE
parameter (FFTW_THREADSAFE=128)
! Constants for the MPI wrappers:
integer FFTW_TRANSPOSED_ORDER, FFTW_NORMAL_ORDER
integer FFTW_SCRAMBLED_INPUT, FFTW_SCRAMBLED_OUTPUT
parameter(FFTW_TRANSPOSED_ORDER=1, FFTW_NORMAL_ORDER=0)
parameter(FFTW_SCRAMBLED_INPUT=8192)
parameter(FFTW_SCRAMBLED_OUTPUT=16384)
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