cached_roots_helper< V > Struct Template Reference

#include <fft_roots.hpp>

Inheritance diagram for cached_roots_helper< V >:

List of all members.

Public Types

• typedef V::C C
• typedef V::U U

Static Public Member Functions

• static U * create_roots (nat n)
• static void destroy_roots (U *u, nat n)

Static Public Attributes

• static nat capacity = 0
• static U * roots = NULL

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Detailed Description

template<typename V>
struct mmx::cached_roots_helper< V >

Definition at line 229 of file fft_roots.hpp.

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Member Typedef Documentation

typedef V::C C

Definition at line 230 of file fft_roots.hpp.

typedef V::U U

Definition at line 231 of file fft_roots.hpp.

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Member Function Documentation

static U* create_roots

(

nat

n

)

[inline, static]

Definition at line 236 of file fft_roots.hpp.

References cached_roots_helper< V >::capacity, cached_roots_helper< V >::destroy_roots(), and cached_roots_helper< V >::roots.

                       {
    if (n > capacity) {
      if (capacity != 0) V::destroy_roots (roots, capacity);
      roots= V::create_roots (n);
      capacity= n;
    }
    return roots;
  }

static void destroy_roots	(	U *	u,
		nat	n
	)		[inline, static]

Definition at line 246 of file fft_roots.hpp.

Referenced by cached_roots_helper< V >::create_roots().

                              {
    (void) u; (void) n;
  }

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Member Data Documentation

nat capacity = 0 [static]

Definition at line 232 of file fft_roots.hpp.

Referenced by cached_roots_helper< V >::create_roots().

V::U * roots = NULL [static]

Definition at line 233 of file fft_roots.hpp.

Referenced by cached_roots_helper< V >::create_roots().

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

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