matrix_tft_vectorized_multiply_helper< C > Struct Template Reference

#include <matrix_tft_vectorized.hpp>

List of all members.

Public Types

• typedef
  _matrix_tft_vectorized::vectorized_roots
  < F * > _vectorized_roots
• typedef fft_naive_transformer
  < F *, _vectorized_roots > _fft_transformer
• typedef
  fft_truncated_transformer< F
  *, _fft_transformer > tft_transformer

Public Member Functions

• typedef Scalar_type (C) F
• typedef Vector_simd_variant (F) VF

Static Public Member Functions

• static nat size (const C *s1, nat s1_rs, nat s1_cs, const C *s2, nat s2_rs, nat s2_cs, nat r, nat l, nat c)

---

Detailed Description

template<typename C>
struct mmx::matrix_tft_vectorized_multiply_helper< C >

Definition at line 176 of file matrix_tft_vectorized.hpp.

---

Member Typedef Documentation

typedef fft_naive_transformer<F*,_vectorized_roots> _fft_transformer

Definition at line 180 of file matrix_tft_vectorized.hpp.

typedef _matrix_tft_vectorized::vectorized_roots<F*> _vectorized_roots

Definition at line 179 of file matrix_tft_vectorized.hpp.

typedef fft_truncated_transformer<F*,_fft_transformer> tft_transformer

Definition at line 181 of file matrix_tft_vectorized.hpp.

---

Member Function Documentation

typedef Scalar_type

(

C

)

static nat size	(	const C *	s1,
		nat	s1_rs,
		nat	s1_cs,
		const C *	s2,
		nat	s2_rs,
		nat	s2_cs,
		nat	r,
		nat	l,
		nat	c
	)			[inline, static]

Definition at line 182 of file matrix_tft_vectorized.hpp.

References mmx::C, max(), and mmx::N().

                                        {
    nat sz= 0;
    for (nat k= 0; k < l; k++) {
      nat sz1= 0, sz2= 0;
      const C* ss1= s1 + k * s1_cs;
      const C* ss2= s2 + k * s2_rs;
      for (nat i= 0; i < r; i++, ss1 += s1_rs) sz1= max (sz1, N (*ss1));
      for (nat j= 0; j < c; j++, ss2 += s2_cs) sz2= max (sz2, N (*ss2));
      sz= max (sz, (sz1 == 0 || sz2 == 0) ? 0 : (sz1 + sz2 - 1));
    }
    return sz; }

typedef Vector_simd_variant

(

F

)

---

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

• include/algebramix/matrix_tft_vectorized.hpp