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Functions
FLA_Ttmm_l_unb_var2.c File Reference

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Functions

FLA_Error FLA_Ttmm_l_unb_var2 (FLA_Obj A)
 

Function Documentation

◆ FLA_Ttmm_l_unb_var2()

FLA_Error FLA_Ttmm_l_unb_var2 ( FLA_Obj  A)

References FLA_Absolute_square(), FLA_Cont_with_3x3_to_2x2(), FLA_Dotcs_external(), FLA_Gemvc_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), and FLA_Scal_external().

Referenced by FLA_Ttmm_l().

16 {
17  FLA_Obj ATL, ATR, A00, a01, A02,
18  ABL, ABR, a10t, alpha11, a12t,
19  A20, a21, A22;
20 
21  FLA_Part_2x2( A, &ATL, &ATR,
22  &ABL, &ABR, 0, 0, FLA_TL );
23 
24  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){
25 
26  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02,
27  /* ************* */ /* ************************** */
28  &a10t, /**/ &alpha11, &a12t,
29  ABL, /**/ ABR, &A20, /**/ &a21, &A22,
30  1, 1, FLA_BR );
31 
32  /*------------------------------------------------------------*/
33 
34  // a10t = alpha11 * a10t
35  FLA_Scal_external( alpha11, a10t );
36 
37  // a10t = a10t + a21' * A20
38  // a10t' = a10t' + A20' * a21
39  FLA_Gemvc_external( FLA_TRANSPOSE, FLA_CONJUGATE, FLA_ONE, A20, a21, FLA_ONE, a10t );
40 
41  // alpha11 = alpha11' * alpha11
42  FLA_Absolute_square( alpha11 );
43 
44  // alpha11 = alpha11 + a21' * a21
45  FLA_Dotcs_external( FLA_CONJUGATE, FLA_ONE, a21, a21, FLA_ONE, alpha11 );
46 
47  /*------------------------------------------------------------*/
48 
49  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02,
50  a10t, alpha11, /**/ a12t,
51  /* ************** */ /* ************************ */
52  &ABL, /**/ &ABR, A20, a21, /**/ A22,
53  FLA_TL );
54 
55  }
56 
57  return FLA_SUCCESS;
58 }
FLA_Error FLA_Scal_external(FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scal_external.c:13
FLA_Error FLA_Repart_2x2_to_3x3(FLA_Obj ATL, FLA_Obj ATR, FLA_Obj *A00, FLA_Obj *A01, FLA_Obj *A02, FLA_Obj *A10, FLA_Obj *A11, FLA_Obj *A12, FLA_Obj ABL, FLA_Obj ABR, FLA_Obj *A20, FLA_Obj *A21, FLA_Obj *A22, dim_t mb, dim_t nb, FLA_Quadrant quadrant)
Definition: FLA_View.c:142
FLA_Error FLA_Part_2x2(FLA_Obj A, FLA_Obj *A11, FLA_Obj *A12, FLA_Obj *A21, FLA_Obj *A22, dim_t mb, dim_t nb, FLA_Quadrant quadrant)
Definition: FLA_View.c:17
FLA_Obj FLA_ONE
Definition: FLA_Init.c:18
Definition: FLA_type_defs.h:158
FLA_Error FLA_Absolute_square(FLA_Obj alpha)
Definition: FLA_Absolute_square.c:13
FLA_Error FLA_Gemvc_external(FLA_Trans transa, FLA_Conj conjx, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y)
Definition: FLA_Gemvc_external.c:13
FLA_Error FLA_Cont_with_3x3_to_2x2(FLA_Obj *ATL, FLA_Obj *ATR, FLA_Obj A00, FLA_Obj A01, FLA_Obj A02, FLA_Obj A10, FLA_Obj A11, FLA_Obj A12, FLA_Obj *ABL, FLA_Obj *ABR, FLA_Obj A20, FLA_Obj A21, FLA_Obj A22, FLA_Quadrant quadrant)
Definition: FLA_View.c:304
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116
FLA_Error FLA_Dotcs_external(FLA_Conj conj, FLA_Obj alpha, FLA_Obj x, FLA_Obj y, FLA_Obj beta, FLA_Obj rho)
Definition: FLA_Dotcs_external.c:13