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FFTW3.f95
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FFTW3.f95
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module FFTW3
!-------------------------------------------------------------------------------
!
! This must be included in any routine that uses FFTW (version 3.3.3).
!
!-------------------------------------------------------------------------------
use, intrinsic :: iso_c_binding
implicit none
integer, parameter :: C_FFTW_R2R_KIND = C_INT32_T
integer(C_INT), parameter :: FFTW_R2HC = 0
integer(C_INT), parameter :: FFTW_HC2R = 1
integer(C_INT), parameter :: FFTW_DHT = 2
integer(C_INT), parameter :: FFTW_REDFT00 = 3
integer(C_INT), parameter :: FFTW_REDFT01 = 4
integer(C_INT), parameter :: FFTW_REDFT10 = 5
integer(C_INT), parameter :: FFTW_REDFT11 = 6
integer(C_INT), parameter :: FFTW_RODFT00 = 7
integer(C_INT), parameter :: FFTW_RODFT01 = 8
integer(C_INT), parameter :: FFTW_RODFT10 = 9
integer(C_INT), parameter :: FFTW_RODFT11 = 10
integer(C_INT), parameter :: FFTW_FORWARD = -1
integer(C_INT), parameter :: FFTW_BACKWARD = +1
integer(C_INT), parameter :: FFTW_MEASURE = 0
integer(C_INT), parameter :: FFTW_DESTROY_INPUT = 1
integer(C_INT), parameter :: FFTW_UNALIGNED = 2
integer(C_INT), parameter :: FFTW_CONSERVE_MEMORY = 4
integer(C_INT), parameter :: FFTW_EXHAUSTIVE = 8
integer(C_INT), parameter :: FFTW_PRESERVE_INPUT = 16
integer(C_INT), parameter :: FFTW_PATIENT = 32
integer(C_INT), parameter :: FFTW_ESTIMATE = 64
integer(C_INT), parameter :: FFTW_WISDOM_ONLY = 2097152
integer(C_INT), parameter :: FFTW_ESTIMATE_PATIENT = 128
integer(C_INT), parameter :: FFTW_BELIEVE_PCOST = 256
integer(C_INT), parameter :: FFTW_NO_DFT_R2HC = 512
integer(C_INT), parameter :: FFTW_NO_NONTHREADED = 1024
integer(C_INT), parameter :: FFTW_NO_BUFFERING = 2048
integer(C_INT), parameter :: FFTW_NO_INDIRECT_OP = 4096
integer(C_INT), parameter :: FFTW_ALLOW_LARGE_GENERIC = 8192
integer(C_INT), parameter :: FFTW_NO_RANK_SPLITS = 16384
integer(C_INT), parameter :: FFTW_NO_VRANK_SPLITS = 32768
integer(C_INT), parameter :: FFTW_NO_VRECURSE = 65536
integer(C_INT), parameter :: FFTW_NO_SIMD = 131072
integer(C_INT), parameter :: FFTW_NO_SLOW = 262144
integer(C_INT), parameter :: FFTW_NO_FIXED_RADIX_LARGE_N = 524288
integer(C_INT), parameter :: FFTW_ALLOW_PRUNING = 1048576
type, bind(C) :: fftw_iodim
integer(C_INT) n, is, os
end type fftw_iodim
type, bind(C) :: fftw_iodim64
integer(C_INTPTR_T) n, is, os
end type fftw_iodim64
interface
type(C_PTR) function fftw_plan_dft(rank,n,in,out,sign,flags) bind(C, name='fftw_plan_dft')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_dft
type(C_PTR) function fftw_plan_dft_1d(n,in,out,sign,flags) bind(C, name='fftw_plan_dft_1d')
import
integer(C_INT), value :: n
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_dft_1d
type(C_PTR) function fftw_plan_dft_2d(n0,n1,in,out,sign,flags) bind(C, name='fftw_plan_dft_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_dft_2d
type(C_PTR) function fftw_plan_dft_3d(n0,n1,n2,in,out,sign,flags) bind(C, name='fftw_plan_dft_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_dft_3d
type(C_PTR) function fftw_plan_many_dft(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,sign,flags) &
bind(C, name='fftw_plan_many_dft')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_many_dft
type(C_PTR) function fftw_plan_guru_dft(rank,dims,howmany_rank,howmany_dims,in,out,sign,flags) &
bind(C, name='fftw_plan_guru_dft')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_guru_dft
type(C_PTR) function fftw_plan_guru_split_dft(rank,dims,howmany_rank,howmany_dims,ri,ii,ro,io,flags) &
bind(C, name='fftw_plan_guru_split_dft')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: ri
real(C_DOUBLE), dimension(*), intent(out) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftw_plan_guru_split_dft
type(C_PTR) function fftw_plan_guru64_dft(rank,dims,howmany_rank,howmany_dims,in,out,sign,flags) &
bind(C, name='fftw_plan_guru64_dft')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftw_plan_guru64_dft
type(C_PTR) function fftw_plan_guru64_split_dft(rank,dims,howmany_rank,howmany_dims,ri,ii,ro,io,flags) &
bind(C, name='fftw_plan_guru64_split_dft')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: ri
real(C_DOUBLE), dimension(*), intent(out) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftw_plan_guru64_split_dft
subroutine fftw_execute_dft(p,in,out) bind(C, name='fftw_execute_dft')
import
type(C_PTR), value :: p
complex(C_DOUBLE_COMPLEX), dimension(*), intent(inout) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
end subroutine fftw_execute_dft
subroutine fftw_execute_split_dft(p,ri,ii,ro,io) bind(C, name='fftw_execute_split_dft')
import
type(C_PTR), value :: p
real(C_DOUBLE), dimension(*), intent(inout) :: ri
real(C_DOUBLE), dimension(*), intent(inout) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
end subroutine fftw_execute_split_dft
type(C_PTR) function fftw_plan_many_dft_r2c(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,flags) &
bind(C, name='fftw_plan_many_dft_r2c')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
real(C_DOUBLE), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: flags
end function fftw_plan_many_dft_r2c
type(C_PTR) function fftw_plan_dft_r2c(rank,n,in,out,flags) bind(C, name='fftw_plan_dft_r2c')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_r2c
type(C_PTR) function fftw_plan_dft_r2c_1d(n,in,out,flags) bind(C, name='fftw_plan_dft_r2c_1d')
import
integer(C_INT), value :: n
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_r2c_1d
type(C_PTR) function fftw_plan_dft_r2c_2d(n0,n1,in,out,flags) bind(C, name='fftw_plan_dft_r2c_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_r2c_2d
type(C_PTR) function fftw_plan_dft_r2c_3d(n0,n1,n2,in,out,flags) bind(C, name='fftw_plan_dft_r2c_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_r2c_3d
type(C_PTR) function fftw_plan_many_dft_c2r(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,flags) &
bind(C, name='fftw_plan_many_dft_c2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: flags
end function fftw_plan_many_dft_c2r
type(C_PTR) function fftw_plan_dft_c2r(rank,n,in,out,flags) bind(C, name='fftw_plan_dft_c2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_c2r
type(C_PTR) function fftw_plan_dft_c2r_1d(n,in,out,flags) bind(C, name='fftw_plan_dft_c2r_1d')
import
integer(C_INT), value :: n
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_c2r_1d
type(C_PTR) function fftw_plan_dft_c2r_2d(n0,n1,in,out,flags) bind(C, name='fftw_plan_dft_c2r_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_c2r_2d
type(C_PTR) function fftw_plan_dft_c2r_3d(n0,n1,n2,in,out,flags) bind(C, name='fftw_plan_dft_c2r_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_dft_c2r_3d
type(C_PTR) function fftw_plan_guru_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftw_plan_guru_dft_r2c')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru_dft_r2c
type(C_PTR) function fftw_plan_guru_dft_c2r(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftw_plan_guru_dft_c2r')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru_dft_c2r
type(C_PTR) function fftw_plan_guru_split_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,ro,io,flags) &
bind(C, name='fftw_plan_guru_split_dft_r2c')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftw_plan_guru_split_dft_r2c
type(C_PTR) function fftw_plan_guru_split_dft_c2r(rank,dims,howmany_rank,howmany_dims,ri,ii,out,flags) &
bind(C, name='fftw_plan_guru_split_dft_c2r')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: ri
real(C_DOUBLE), dimension(*), intent(out) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru_split_dft_c2r
type(C_PTR) function fftw_plan_guru64_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftw_plan_guru64_dft_r2c')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru64_dft_r2c
type(C_PTR) function fftw_plan_guru64_dft_c2r(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftw_plan_guru64_dft_c2r')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru64_dft_c2r
type(C_PTR) function fftw_plan_guru64_split_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,ro,io,flags) &
bind(C, name='fftw_plan_guru64_split_dft_r2c')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftw_plan_guru64_split_dft_r2c
type(C_PTR) function fftw_plan_guru64_split_dft_c2r(rank,dims,howmany_rank,howmany_dims,ri,ii,out,flags) &
bind(C, name='fftw_plan_guru64_split_dft_c2r')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: ri
real(C_DOUBLE), dimension(*), intent(out) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftw_plan_guru64_split_dft_c2r
subroutine fftw_execute_dft_r2c(p,in,out) bind(C, name='fftw_execute_dft_r2c')
import
type(C_PTR), value :: p
real(C_DOUBLE), dimension(*), intent(inout) :: in
complex(C_DOUBLE_COMPLEX), dimension(*), intent(out) :: out
end subroutine fftw_execute_dft_r2c
subroutine fftw_execute_dft_c2r(p,in,out) bind(C, name='fftw_execute_dft_c2r')
import
type(C_PTR), value :: p
complex(C_DOUBLE_COMPLEX), dimension(*), intent(inout) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
end subroutine fftw_execute_dft_c2r
subroutine fftw_execute_split_dft_r2c(p,in,ro,io) bind(C, name='fftw_execute_split_dft_r2c')
import
type(C_PTR), value :: p
real(C_DOUBLE), dimension(*), intent(inout) :: in
real(C_DOUBLE), dimension(*), intent(out) :: ro
real(C_DOUBLE), dimension(*), intent(out) :: io
end subroutine fftw_execute_split_dft_r2c
subroutine fftw_execute_split_dft_c2r(p,ri,ii,out) bind(C, name='fftw_execute_split_dft_c2r')
import
type(C_PTR), value :: p
real(C_DOUBLE), dimension(*), intent(inout) :: ri
real(C_DOUBLE), dimension(*), intent(inout) :: ii
real(C_DOUBLE), dimension(*), intent(out) :: out
end subroutine fftw_execute_split_dft_c2r
type(C_PTR) function fftw_plan_many_r2r(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,kind,flags) &
bind(C, name='fftw_plan_many_r2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
real(C_DOUBLE), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_FFTW_R2R_KIND), dimension(*), intent(in) :: kind
integer(C_INT), value :: flags
end function fftw_plan_many_r2r
type(C_PTR) function fftw_plan_r2r(rank,n,in,out,kind,flags) bind(C, name='fftw_plan_r2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), dimension(*), intent(in) :: kind
integer(C_INT), value :: flags
end function fftw_plan_r2r
type(C_PTR) function fftw_plan_r2r_1d(n,in,out,kind,flags) bind(C, name='fftw_plan_r2r_1d')
import
integer(C_INT), value :: n
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), value :: kind
integer(C_INT), value :: flags
end function fftw_plan_r2r_1d
type(C_PTR) function fftw_plan_r2r_2d(n0,n1,in,out,kind0,kind1,flags) bind(C, name='fftw_plan_r2r_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), value :: kind0
integer(C_FFTW_R2R_KIND), value :: kind1
integer(C_INT), value :: flags
end function fftw_plan_r2r_2d
type(C_PTR) function fftw_plan_r2r_3d(n0,n1,n2,in,out,kind0,kind1,kind2,flags) bind(C, name='fftw_plan_r2r_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), value :: kind0
integer(C_FFTW_R2R_KIND), value :: kind1
integer(C_FFTW_R2R_KIND), value :: kind2
integer(C_INT), value :: flags
end function fftw_plan_r2r_3d
type(C_PTR) function fftw_plan_guru_r2r(rank,dims,howmany_rank,howmany_dims,in,out,kind,flags) &
bind(C, name='fftw_plan_guru_r2r')
import
integer(C_INT), value :: rank
type(fftw_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), dimension(*), intent(in) :: kind
integer(C_INT), value :: flags
end function fftw_plan_guru_r2r
type(C_PTR) function fftw_plan_guru64_r2r(rank,dims,howmany_rank,howmany_dims,in,out,kind,flags) &
bind(C, name='fftw_plan_guru64_r2r')
import
integer(C_INT), value :: rank
type(fftw_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftw_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_DOUBLE), dimension(*), intent(out) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
integer(C_FFTW_R2R_KIND), dimension(*), intent(in) :: kind
integer(C_INT), value :: flags
end function fftw_plan_guru64_r2r
subroutine fftw_execute_r2r(p,in,out) bind(C, name='fftw_execute_r2r')
import
type(C_PTR), value :: p
real(C_DOUBLE), dimension(*), intent(inout) :: in
real(C_DOUBLE), dimension(*), intent(out) :: out
end subroutine fftw_execute_r2r
subroutine fftw_destroy_plan(p) bind(C, name='fftw_destroy_plan')
import
type(C_PTR), value :: p
end subroutine fftw_destroy_plan
subroutine fftw_forget_wisdom() bind(C, name='fftw_forget_wisdom')
import
end subroutine fftw_forget_wisdom
subroutine fftw_cleanup() bind(C, name='fftw_cleanup')
import
end subroutine fftw_cleanup
subroutine fftw_set_timelimit(t) bind(C, name='fftw_set_timelimit')
import
real(C_DOUBLE), value :: t
end subroutine fftw_set_timelimit
subroutine fftw_plan_with_nthreads(nthreads) bind(C, name='fftw_plan_with_nthreads')
import
integer(C_INT), value :: nthreads
end subroutine fftw_plan_with_nthreads
integer(C_INT) function fftw_init_threads() bind(C, name='fftw_init_threads')
import
end function fftw_init_threads
subroutine fftw_cleanup_threads() bind(C, name='fftw_cleanup_threads')
import
end subroutine fftw_cleanup_threads
subroutine fftw_make_planner_thread_safe() bind(C, name='fftw_make_planner_thread_safe')
import
end subroutine fftw_make_planner_thread_safe
integer(C_INT) function fftw_export_wisdom_to_filename(filename) bind(C, name='fftw_export_wisdom_to_filename')
import
character(C_CHAR), dimension(*), intent(in) :: filename
end function fftw_export_wisdom_to_filename
subroutine fftw_export_wisdom_to_file(output_file) bind(C, name='fftw_export_wisdom_to_file')
import
type(C_PTR), value :: output_file
end subroutine fftw_export_wisdom_to_file
type(C_PTR) function fftw_export_wisdom_to_string() bind(C, name='fftw_export_wisdom_to_string')
import
end function fftw_export_wisdom_to_string
subroutine fftw_export_wisdom(write_char,data) bind(C, name='fftw_export_wisdom')
import
type(C_FUNPTR), value :: write_char
type(C_PTR), value :: data
end subroutine fftw_export_wisdom
integer(C_INT) function fftw_import_system_wisdom() bind(C, name='fftw_import_system_wisdom')
import
end function fftw_import_system_wisdom
integer(C_INT) function fftw_import_wisdom_from_filename(filename) bind(C, name='fftw_import_wisdom_from_filename')
import
character(C_CHAR), dimension(*), intent(in) :: filename
end function fftw_import_wisdom_from_filename
integer(C_INT) function fftw_import_wisdom_from_file(input_file) bind(C, name='fftw_import_wisdom_from_file')
import
type(C_PTR), value :: input_file
end function fftw_import_wisdom_from_file
integer(C_INT) function fftw_import_wisdom_from_string(input_string) bind(C, name='fftw_import_wisdom_from_string')
import
character(C_CHAR), dimension(*), intent(in) :: input_string
end function fftw_import_wisdom_from_string
integer(C_INT) function fftw_import_wisdom(read_char,data) bind(C, name='fftw_import_wisdom')
import
type(C_FUNPTR), value :: read_char
type(C_PTR), value :: data
end function fftw_import_wisdom
subroutine fftw_fprint_plan(p,output_file) bind(C, name='fftw_fprint_plan')
import
type(C_PTR), value :: p
type(C_PTR), value :: output_file
end subroutine fftw_fprint_plan
subroutine fftw_print_plan(p) bind(C, name='fftw_print_plan')
import
type(C_PTR), value :: p
end subroutine fftw_print_plan
type(C_PTR) function fftw_sprint_plan(p) bind(C, name='fftw_sprint_plan')
import
type(C_PTR), value :: p
end function fftw_sprint_plan
type(C_PTR) function fftw_malloc(n) bind(C, name='fftw_malloc')
import
integer(C_SIZE_T), value :: n
end function fftw_malloc
type(C_PTR) function fftw_alloc_real(n) bind(C, name='fftw_alloc_real')
import
integer(C_SIZE_T), value :: n
end function fftw_alloc_real
type(C_PTR) function fftw_alloc_complex(n) bind(C, name='fftw_alloc_complex')
import
integer(C_SIZE_T), value :: n
end function fftw_alloc_complex
subroutine fftw_free(p) bind(C, name='fftw_free')
import
type(C_PTR), value :: p
end subroutine fftw_free
subroutine fftw_flops(p,add,mul,fmas) bind(C, name='fftw_flops')
import
type(C_PTR), value :: p
real(C_DOUBLE), intent(out) :: add
real(C_DOUBLE), intent(out) :: mul
real(C_DOUBLE), intent(out) :: fmas
end subroutine fftw_flops
real(C_DOUBLE) function fftw_estimate_cost(p) bind(C, name='fftw_estimate_cost')
import
type(C_PTR), value :: p
end function fftw_estimate_cost
real(C_DOUBLE) function fftw_cost(p) bind(C, name='fftw_cost')
import
type(C_PTR), value :: p
end function fftw_cost
integer(C_INT) function fftw_alignment_of(p) bind(C, name='fftw_alignment_of')
import
real(C_DOUBLE), dimension(*), intent(out) :: p
end function fftw_alignment_of
end interface
type, bind(C) :: fftwf_iodim
integer(C_INT) n, is, os
end type fftwf_iodim
type, bind(C) :: fftwf_iodim64
integer(C_INTPTR_T) n, is, os
end type fftwf_iodim64
interface
type(C_PTR) function fftwf_plan_dft(rank,n,in,out,sign,flags) bind(C, name='fftwf_plan_dft')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_dft
type(C_PTR) function fftwf_plan_dft_1d(n,in,out,sign,flags) bind(C, name='fftwf_plan_dft_1d')
import
integer(C_INT), value :: n
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_dft_1d
type(C_PTR) function fftwf_plan_dft_2d(n0,n1,in,out,sign,flags) bind(C, name='fftwf_plan_dft_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_dft_2d
type(C_PTR) function fftwf_plan_dft_3d(n0,n1,n2,in,out,sign,flags) bind(C, name='fftwf_plan_dft_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_dft_3d
type(C_PTR) function fftwf_plan_many_dft(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,sign,flags) &
bind(C, name='fftwf_plan_many_dft')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_many_dft
type(C_PTR) function fftwf_plan_guru_dft(rank,dims,howmany_rank,howmany_dims,in,out,sign,flags) &
bind(C, name='fftwf_plan_guru_dft')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_guru_dft
type(C_PTR) function fftwf_plan_guru_split_dft(rank,dims,howmany_rank,howmany_dims,ri,ii,ro,io,flags) &
bind(C, name='fftwf_plan_guru_split_dft')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: ri
real(C_FLOAT), dimension(*), intent(out) :: ii
real(C_FLOAT), dimension(*), intent(out) :: ro
real(C_FLOAT), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftwf_plan_guru_split_dft
type(C_PTR) function fftwf_plan_guru64_dft(rank,dims,howmany_rank,howmany_dims,in,out,sign,flags) &
bind(C, name='fftwf_plan_guru64_dft')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: sign
integer(C_INT), value :: flags
end function fftwf_plan_guru64_dft
type(C_PTR) function fftwf_plan_guru64_split_dft(rank,dims,howmany_rank,howmany_dims,ri,ii,ro,io,flags) &
bind(C, name='fftwf_plan_guru64_split_dft')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: ri
real(C_FLOAT), dimension(*), intent(out) :: ii
real(C_FLOAT), dimension(*), intent(out) :: ro
real(C_FLOAT), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftwf_plan_guru64_split_dft
subroutine fftwf_execute_dft(p,in,out) bind(C, name='fftwf_execute_dft')
import
type(C_PTR), value :: p
complex(C_FLOAT_COMPLEX), dimension(*), intent(inout) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
end subroutine fftwf_execute_dft
subroutine fftwf_execute_split_dft(p,ri,ii,ro,io) bind(C, name='fftwf_execute_split_dft')
import
type(C_PTR), value :: p
real(C_FLOAT), dimension(*), intent(inout) :: ri
real(C_FLOAT), dimension(*), intent(inout) :: ii
real(C_FLOAT), dimension(*), intent(out) :: ro
real(C_FLOAT), dimension(*), intent(out) :: io
end subroutine fftwf_execute_split_dft
type(C_PTR) function fftwf_plan_many_dft_r2c(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,flags) &
bind(C, name='fftwf_plan_many_dft_r2c')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
real(C_FLOAT), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: flags
end function fftwf_plan_many_dft_r2c
type(C_PTR) function fftwf_plan_dft_r2c(rank,n,in,out,flags) bind(C, name='fftwf_plan_dft_r2c')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_r2c
type(C_PTR) function fftwf_plan_dft_r2c_1d(n,in,out,flags) bind(C, name='fftwf_plan_dft_r2c_1d')
import
integer(C_INT), value :: n
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_r2c_1d
type(C_PTR) function fftwf_plan_dft_r2c_2d(n0,n1,in,out,flags) bind(C, name='fftwf_plan_dft_r2c_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_r2c_2d
type(C_PTR) function fftwf_plan_dft_r2c_3d(n0,n1,n2,in,out,flags) bind(C, name='fftwf_plan_dft_r2c_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_r2c_3d
type(C_PTR) function fftwf_plan_many_dft_c2r(rank,n,howmany,in,inembed,istride,idist,out,onembed,ostride,odist,flags) &
bind(C, name='fftwf_plan_many_dft_c2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
integer(C_INT), value :: howmany
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
integer(C_INT), dimension(*), intent(in) :: inembed
integer(C_INT), value :: istride
integer(C_INT), value :: idist
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), dimension(*), intent(in) :: onembed
integer(C_INT), value :: ostride
integer(C_INT), value :: odist
integer(C_INT), value :: flags
end function fftwf_plan_many_dft_c2r
type(C_PTR) function fftwf_plan_dft_c2r(rank,n,in,out,flags) bind(C, name='fftwf_plan_dft_c2r')
import
integer(C_INT), value :: rank
integer(C_INT), dimension(*), intent(in) :: n
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_c2r
type(C_PTR) function fftwf_plan_dft_c2r_1d(n,in,out,flags) bind(C, name='fftwf_plan_dft_c2r_1d')
import
integer(C_INT), value :: n
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_c2r_1d
type(C_PTR) function fftwf_plan_dft_c2r_2d(n0,n1,in,out,flags) bind(C, name='fftwf_plan_dft_c2r_2d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_c2r_2d
type(C_PTR) function fftwf_plan_dft_c2r_3d(n0,n1,n2,in,out,flags) bind(C, name='fftwf_plan_dft_c2r_3d')
import
integer(C_INT), value :: n0
integer(C_INT), value :: n1
integer(C_INT), value :: n2
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_dft_c2r_3d
type(C_PTR) function fftwf_plan_guru_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftwf_plan_guru_dft_r2c')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru_dft_r2c
type(C_PTR) function fftwf_plan_guru_dft_c2r(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftwf_plan_guru_dft_c2r')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru_dft_c2r
type(C_PTR) function fftwf_plan_guru_split_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,ro,io,flags) &
bind(C, name='fftwf_plan_guru_split_dft_r2c')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: ro
real(C_FLOAT), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftwf_plan_guru_split_dft_r2c
type(C_PTR) function fftwf_plan_guru_split_dft_c2r(rank,dims,howmany_rank,howmany_dims,ri,ii,out,flags) &
bind(C, name='fftwf_plan_guru_split_dft_c2r')
import
integer(C_INT), value :: rank
type(fftwf_iodim), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: ri
real(C_FLOAT), dimension(*), intent(out) :: ii
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru_split_dft_c2r
type(C_PTR) function fftwf_plan_guru64_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftwf_plan_guru64_dft_r2c')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: in
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru64_dft_r2c
type(C_PTR) function fftwf_plan_guru64_dft_c2r(rank,dims,howmany_rank,howmany_dims,in,out,flags) &
bind(C, name='fftwf_plan_guru64_dft_c2r')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
complex(C_FLOAT_COMPLEX), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru64_dft_c2r
type(C_PTR) function fftwf_plan_guru64_split_dft_r2c(rank,dims,howmany_rank,howmany_dims,in,ro,io,flags) &
bind(C, name='fftwf_plan_guru64_split_dft_r2c')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: in
real(C_FLOAT), dimension(*), intent(out) :: ro
real(C_FLOAT), dimension(*), intent(out) :: io
integer(C_INT), value :: flags
end function fftwf_plan_guru64_split_dft_r2c
type(C_PTR) function fftwf_plan_guru64_split_dft_c2r(rank,dims,howmany_rank,howmany_dims,ri,ii,out,flags) &
bind(C, name='fftwf_plan_guru64_split_dft_c2r')
import
integer(C_INT), value :: rank
type(fftwf_iodim64), dimension(*), intent(in) :: dims
integer(C_INT), value :: howmany_rank
type(fftwf_iodim64), dimension(*), intent(in) :: howmany_dims
real(C_FLOAT), dimension(*), intent(out) :: ri
real(C_FLOAT), dimension(*), intent(out) :: ii
real(C_FLOAT), dimension(*), intent(out) :: out
integer(C_INT), value :: flags
end function fftwf_plan_guru64_split_dft_c2r
subroutine fftwf_execute_dft_r2c(p,in,out) bind(C, name='fftwf_execute_dft_r2c')
import