fftw_oct_m Module Reference

Functions/Subroutines
subroutine, public	fftw_prepare_plan (plan, dim, n, howmany, is_real, sign, flags_, din_, cin_, cout_)
subroutine, public	fftw_get_dims (rs_n, is_real, fs_n)
subroutine, public	fftw_alloc_memory (rs_dims, is_real, fs_dims, drs_data, zrs_data, fs_data)
	Allocate the FFTW work buffers from the rank-4 (batch-last) dimension arrays (see fft_pack). More...
subroutine, public	fftw_free_memory (is_real, drs_data, zrs_data, fs_data)
subroutine, public	fftw_prepare_plan_single (plan, dim, n, howmany, is_real, sign, flags, sin_, cin_, cout_)
	Single-precision counterpart of fftw_prepare_plan. Only the aligned-memory path is supported (the single-precision FFT is always allocated with aligned FFTW buffers), so the real/complex work arrays are passed in. More...
subroutine, public	fftw_alloc_memory_single (rs_dims, is_real, fs_dims, srs_data, crs_data, cfs_data)
subroutine, public	fftw_free_memory_single (is_real, srs_data, crs_data, cfs_data)

Function/Subroutine Documentation

fftw_prepare_plan()

subroutine, public fftw_oct_m::fftw_prepare_plan	(	type(c_ptr), intent(inout)	plan,
		integer, intent(in)	dim,
		integer, dimension(:), intent(in), contiguous	n,
		integer(c_int), intent(in)	howmany,
		logical, intent(in)	is_real,
		integer, intent(in)	sign,
		integer, intent(in)	flags_,
		real(real64), dimension(:,:,:,:), intent(in), optional, target, contiguous	din_,
		complex(real64), dimension(:,:,:,:), intent(in), optional, target, contiguous	cin_,
		complex(real64), dimension(:,:,:,:), intent(in), optional, target, contiguous	cout_
	)

Definition at line 196 of file fftw.F90.

fftw_get_dims()

subroutine, public fftw_oct_m::fftw_get_dims	(	integer, dimension(:), intent(in), contiguous	rs_n,
		logical, intent(in)	is_real,
		integer, dimension(:), intent(out), contiguous	fs_n
	)

Definition at line 334 of file fftw.F90.

fftw_alloc_memory()

subroutine, public fftw_oct_m::fftw_alloc_memory	(	integer, dimension(4), intent(in)	rs_dims,
		logical, intent(in)	is_real,
		integer, dimension(4), intent(in)	fs_dims,
		real(real64), dimension(:,:,:,:), intent(inout), pointer	drs_data,
		complex(real64), dimension(:,:,:,:), intent(inout), pointer	zrs_data,
		complex(real64), dimension(:,:,:,:), intent(inout), pointer	fs_data
	)

Allocate the FFTW work buffers from the rank-4 (batch-last) dimension arrays (see fft_pack).

Parameters

[in]	rs_dims	real-space dimensions including the batch axis
[in]	fs_dims	Fourier-space dimensions including the batch axis

Definition at line 349 of file fftw.F90.

fftw_free_memory()

subroutine, public fftw_oct_m::fftw_free_memory	(	logical, intent(in)	is_real,
		real(real64), dimension(:,:,:,:), intent(inout), pointer	drs_data,
		complex(real64), dimension(:,:,:,:), intent(inout), pointer	zrs_data,
		complex(real64), dimension(:,:,:,:), intent(inout), pointer	fs_data
	)

Definition at line 376 of file fftw.F90.

fftw_prepare_plan_single()

subroutine, public fftw_oct_m::fftw_prepare_plan_single	(	type(c_ptr), intent(inout)	plan,
		integer, intent(in)	dim,
		integer, dimension(:), intent(in), contiguous	n,
		integer(c_int), intent(in)	howmany,
		logical, intent(in)	is_real,
		integer, intent(in)	sign,
		integer, intent(in)	flags,
		real(real32), dimension(:,:,:,:), intent(in), optional, target, contiguous	sin_,
		complex(real32), dimension(:,:,:,:), intent(in), optional, target, contiguous	cin_,
		complex(real32), dimension(:,:,:,:), intent(in), optional, target, contiguous	cout_
	)

Single-precision counterpart of fftw_prepare_plan. Only the aligned-memory path is supported (the single-precision FFT is always allocated with aligned FFTW buffers), so the real/complex work arrays are passed in.

Definition at line 407 of file fftw.F90.

fftw_alloc_memory_single()

subroutine, public fftw_oct_m::fftw_alloc_memory_single	(	integer, dimension(4), intent(in)	rs_dims,
		logical, intent(in)	is_real,
		integer, dimension(4), intent(in)	fs_dims,
		real(real32), dimension(:,:,:,:), intent(inout), pointer	srs_data,
		complex(real32), dimension(:,:,:,:), intent(inout), pointer	crs_data,
		complex(real32), dimension(:,:,:,:), intent(inout), pointer	cfs_data
	)

Definition at line 472 of file fftw.F90.

fftw_free_memory_single()

subroutine, public fftw_oct_m::fftw_free_memory_single	(	logical, intent(in)	is_real,
		real(real32), dimension(:,:,:,:), intent(inout), pointer	srs_data,
		complex(real32), dimension(:,:,:,:), intent(inout), pointer	crs_data,
		complex(real32), dimension(:,:,:,:), intent(inout), pointer	cfs_data
	)

Definition at line 499 of file fftw.F90.