fft_lib Module Reference

Functions/Subroutines
integer function, public	fft_library (fftlib)
	Interface to FFT libraries. More...
subroutine, public	fft_do_init (fft_type, wisdom_file)
	... More...
subroutine, public	fft_do_cleanup (fft_type, wisdom_file, ionode)
	... More...
subroutine, public	fft_get_lengths (fft_type, DATA, max_length)
	... More...
subroutine, public	fft_create_plan_3d (plan, fft_type, fft_in_place, fsign, n, zin, zout, plan_style)
	... More...
subroutine, public	fft_3d (plan, scale, zin, zout, stat)
	... More...
subroutine, public	fft_create_plan_1dm (plan, fft_type, fsign, trans, n, m, zin, zout, plan_style)
	... More...
subroutine, public	fft_destroy_plan (plan)
	... More...
subroutine, public	fft_1dm (plan, zin, zout, scale, stat)
	... More...

Function/Subroutine Documentation

fft_library()

integer function, public fft_lib::fft_library

(

character(len=*), intent(in)

fftlib

)

Interface to FFT libraries.

Parameters

fftlib

...

Returns

...

History

IAB 09-Jan-2009 : Modified to use fft_plan_type (c) The Numerical Algorithms Group (NAG) Ltd, 2009 on behalf of the HECToR project

Author

JGH

Definition at line 41 of file fft_lib.F.

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fft_do_init()

subroutine, public fft_lib::fft_do_init	(	integer, intent(in)	fft_type,
		character(len=*), intent(in)	wisdom_file
	)

...

Parameters

fft_type	...
wisdom_file	...

Definition at line 62 of file fft_lib.F.

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fft_do_cleanup()

subroutine, public fft_lib::fft_do_cleanup	(	integer, intent(in)	fft_type,
		character(len=*), intent(in)	wisdom_file,
		logical, intent(in)	ionode
	)

...

Parameters

fft_type	...
wisdom_file	...
ionode	...

Definition at line 83 of file fft_lib.F.

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fft_get_lengths()

subroutine, public fft_lib::fft_get_lengths	(	integer, intent(in)	fft_type,
		integer, dimension(*)	DATA,
		integer, intent(inout)	max_length
	)

...

Parameters

fft_type	...
DATA	...
max_length	...

Definition at line 105 of file fft_lib.F.

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fft_create_plan_3d()

subroutine, public fft_lib::fft_create_plan_3d	(	type(fft_plan_type), intent(inout)	plan,
		integer, intent(in)	fft_type,
		logical, intent(in)	fft_in_place,
		integer, intent(in)	fsign,
		integer, dimension(3), intent(in)	n,
		complex(kind=dp), dimension(*), intent(inout)	zin,
		complex(kind=dp), dimension(*), intent(inout)	zout,
		integer, intent(in)	plan_style
	)

...

Parameters

plan	...
fft_type	...
fft_in_place	...
fsign	...
n	...
zin	...
zout	...
plan_style	...

Definition at line 135 of file fft_lib.F.

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fft_3d()

subroutine, public fft_lib::fft_3d	(	type(fft_plan_type), intent(in)	plan,
		real(kind=dp), intent(in)	scale,
		complex(kind=dp), dimension(*), intent(inout)	zin,
		complex(kind=dp), dimension(*), intent(inout)	zout,
		integer, intent(out)	stat
	)

...

Parameters

plan	...
scale	...
zin	...
zout	...
stat	...

Definition at line 171 of file fft_lib.F.

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fft_create_plan_1dm()

subroutine, public fft_lib::fft_create_plan_1dm	(	type(fft_plan_type), intent(inout)	plan,
		integer, intent(in)	fft_type,
		integer, intent(in)	fsign,
		logical, intent(in)	trans,
		integer, intent(in)	n,
		integer, intent(in)	m,
		complex(kind=dp), dimension(*), intent(in)	zin,
		complex(kind=dp), dimension(*), intent(in)	zout,
		integer, intent(in)	plan_style
	)

...

Parameters

plan	...
fft_type	...
fsign	...
trans	...
n	...
m	...
zin	...
zout	...
plan_style	...

Definition at line 211 of file fft_lib.F.

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fft_destroy_plan()

subroutine, public fft_lib::fft_destroy_plan

(

type(fft_plan_type), intent(inout)

plan

)

...

Parameters

plan

...

Definition at line 240 of file fft_lib.F.

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fft_1dm()

subroutine, public fft_lib::fft_1dm	(	type(fft_plan_type), intent(in)	plan,
		complex(kind=dp), dimension(*), intent(inout)	zin,
		complex(kind=dp), dimension(*), intent(inout)	zout,
		real(kind=dp), intent(in)	scale,
		integer, intent(out)	stat
	)

...

Parameters

plan	...
zin	...
zout	...
scale	...
stat	...

Definition at line 260 of file fft_lib.F.

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