fft_helper< D, R, steps > Struct Template Reference

#include <fft_fixed.hpp>

List of all members.

Public Types

• typedef R::C C
• typedef R::U U

Static Public Member Functions

• static void tf (C *c, nat stride, U *u, nat shift)

Static Public Attributes

• static const nat half1 = steps >> 1
• static const nat half2 = steps - half1
• static const nat n1 = 1 << half1
• static const nat n2 = 1 << half2

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Detailed Description

template<typename D, typename R, nat steps>
struct mmx::fft_helper< D, R, steps >

Definition at line 27 of file fft_fixed.hpp.

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Member Typedef Documentation

typedef R::C C

Definition at line 32 of file fft_fixed.hpp.

typedef R::U U

Definition at line 33 of file fft_fixed.hpp.

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Member Function Documentation

static void tf	(	C *	c,
		nat	stride,
		U *	u,
		nat	shift
	)		[inline, static]

Definition at line 36 of file fft_fixed.hpp.

References fft_helper< D, R, steps >::half2.

Referenced by fft_helper< fft_inverse, R, steps >::tf().

                                         {
    fft_large_helper<D,R,half1,n2>::tf (c, stride<<half2, u, shift>>half2);
    fft_small_helper<D,R,half2,n1>::tf (c, stride, u, shift);
  }

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Member Data Documentation

const nat half1 = steps >> 1 [static]

Definition at line 28 of file fft_fixed.hpp.

const nat half2 = steps - half1 [static]

Definition at line 29 of file fft_fixed.hpp.

Referenced by fft_helper< fft_inverse, R, steps >::tf(), and fft_helper< D, R, steps >::tf().

const nat n1 = 1 << half1 [static]

Definition at line 30 of file fft_fixed.hpp.

const nat n2 = 1 << half2 [static]

Definition at line 31 of file fft_fixed.hpp.

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The documentation for this struct was generated from the following file:

• /Users/mourrain/Devel/mmx/algebramix/include/algebramix/fft_fixed.hpp