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FLA_Accum_T_UT_fr_unb_var1.c File Reference

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Functions

FLA_Error FLA_Accum_T_UT_fr_unb_var1 (FLA_Obj A, FLA_Obj tau, FLA_Obj T)
 

Function Documentation

◆ FLA_Accum_T_UT_fr_unb_var1()

FLA_Error FLA_Accum_T_UT_fr_unb_var1 ( FLA_Obj  A,
FLA_Obj  tau,
FLA_Obj  T 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Copy_external(), FLA_Copyt_external(), FLA_Gemvc_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), and FLA_Repart_2x2_to_3x3().

14 {
15  FLA_Obj ATL, ATR, A00, a01, A02,
16  ABL, ABR, a10t, alpha11, a12t,
17  A20, a21, A22;
18 
19  FLA_Obj tauT, tau0,
20  tauB, tau1,
21  tau2;
22 
23  FLA_Obj TTL, TTR, T00, t01, T02,
24  TBL, TBR, t10t, tau11, t12t,
25  T20, t21, T22;
26 
27 
28  FLA_Part_2x2( A, &ATL, &ATR,
29  &ABL, &ABR, 0, 0, FLA_TL );
30 
31  FLA_Part_2x1( tau, &tauT,
32  &tauB, 0, FLA_TOP );
33 
34  FLA_Part_2x2( T, &TTL, &TTR,
35  &TBL, &TBR, 0, 0, FLA_TL );
36 
37  while ( FLA_Obj_length( tauB ) > 0 ){
38 
39  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02,
40  /* ************* */ /* ************************** */
41  &a10t, /**/ &alpha11, &a12t,
42  ABL, /**/ ABR, &A20, /**/ &a21, &A22,
43  1, 1, FLA_BR );
44 
45  FLA_Repart_2x1_to_3x1( tauT, &tau0,
46  /* ** */ /* ** */
47  &tau1,
48  tauB, &tau2, 1, FLA_BOTTOM );
49 
50  FLA_Repart_2x2_to_3x3( TTL, /**/ TTR, &T00, /**/ &t01, &T02,
51  /* ************* */ /* ************************ */
52  &t10t, /**/ &tau11, &t12t,
53  TBL, /**/ TBR, &T20, /**/ &t21, &T22,
54  1, 1, FLA_BR );
55 
56  /*------------------------------------------------------------*/
57 
58  // tau11 = tau1;
59  FLA_Copy_external( tau1, tau11 );
60 
61  // t01 = conj(a01) + conj(A02) * u12t^T;
62  FLA_Copyt_external( FLA_CONJ_NO_TRANSPOSE, a01, t01 );
63  FLA_Gemvc_external( FLA_CONJ_NO_TRANSPOSE, FLA_NO_CONJUGATE, FLA_ONE, A02, a12t, FLA_ONE, t01 );
64 
65  /*------------------------------------------------------------*/
66 
67  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02,
68  a10t, alpha11, /**/ a12t,
69  /* ************** */ /* ************************ */
70  &ABL, /**/ &ABR, A20, a21, /**/ A22,
71  FLA_TL );
72 
73  FLA_Cont_with_3x1_to_2x1( &tauT, tau0,
74  tau1,
75  /* ** */ /* ** */
76  &tauB, tau2, FLA_TOP );
77 
78  FLA_Cont_with_3x3_to_2x2( &TTL, /**/ &TTR, T00, t01, /**/ T02,
79  t10t, tau11, /**/ t12t,
80  /* ************** */ /* ********************** */
81  &TBL, /**/ &TBR, T20, t21, /**/ T22,
82  FLA_TL );
83 
84  }
85 
86  return FLA_SUCCESS;
87 }
FLA_Error FLA_Repart_2x1_to_3x1(FLA_Obj AT, FLA_Obj *A0, FLA_Obj *A1, FLA_Obj AB, FLA_Obj *A2, dim_t mb, FLA_Side side)
Definition: FLA_View.c:226
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_Cont_with_3x1_to_2x1(FLA_Obj *AT, FLA_Obj A0, FLA_Obj A1, FLA_Obj *AB, FLA_Obj A2, FLA_Side side)
Definition: FLA_View.c:428
FLA_Error FLA_Copyt_external(FLA_Trans trans, FLA_Obj A, FLA_Obj B)
Definition: FLA_Copyt_external.c:13
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
FLA_Error FLA_Copy_external(FLA_Obj A, FLA_Obj B)
Definition: FLA_Copy_external.c:13
Definition: FLA_type_defs.h:158
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_Part_2x1(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t mb, FLA_Side side)
Definition: FLA_View.c:76
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