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FLA_Bidiag_UT_u_blk_var3.c File Reference

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FLA_Error FLA_Bidiag_UT_u_blk_var3 (FLA_Obj A, FLA_Obj TU, FLA_Obj TV)
 

Function Documentation

◆ FLA_Bidiag_UT_u_blk_var3()

FLA_Error FLA_Bidiag_UT_u_blk_var3 ( FLA_Obj  A,
FLA_Obj  TU,
FLA_Obj  TV 
)
14 {
15  FLA_Obj ATL, ATR, A00, A01, A02,
16  ABL, ABR, A10, A11, A12,
17  A20, A21, A22;
18  FLA_Obj TUL, TUR, TU0, TU1, TU2;
19  FLA_Obj TVL, TVR, TV0, TV1, TV2;
20 
21  FLA_Obj TU1_tl;
22  FLA_Obj TV1_tl;
23  FLA_Obj none, none2, none3;
24  dim_t b_alg, b;
25 
26  b_alg = FLA_Obj_length( TU );
27 
28  FLA_Part_2x2( A, &ATL, &ATR,
29  &ABL, &ABR, 0, 0, FLA_TL );
30  FLA_Part_1x2( TU, &TUL, &TUR, 0, FLA_LEFT );
31  FLA_Part_1x2( TV, &TVL, &TVR, 0, FLA_LEFT );
32 
33  while ( FLA_Obj_min_dim( ABR ) > 0 )
34  {
35  b = min( FLA_Obj_min_dim( ABR ), b_alg );
36 
37  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02,
38  /* ************* */ /* ******************** */
39  &A10, /**/ &A11, &A12,
40  ABL, /**/ ABR, &A20, /**/ &A21, &A22,
41  b, b, FLA_BR );
42  FLA_Repart_1x2_to_1x3( TUL, /**/ TUR, &TU0, /**/ &TU1, &TU2,
43  b, FLA_RIGHT );
44  FLA_Repart_1x2_to_1x3( TVL, /**/ TVR, &TV0, /**/ &TV1, &TV2,
45  b, FLA_RIGHT );
46 
47  /*------------------------------------------------------------*/
48 
49  FLA_Part_2x2( TU1, &TU1_tl, &none,
50  &none2, &none3, b, b, FLA_TL );
51 
52  FLA_Part_2x2( TV1, &TV1_tl, &none,
53  &none2, &none3, b, b, FLA_TL );
54 
55  // [ ABR, T1 ] = FLA_Bidiag_UT_u_step_unb_var3( ABR, TU1, TV1, b );
56  //FLA_Bidiag_UT_u_step_unb_var3( ABR, TU1_tl, TV1_tl );
57  //FLA_Bidiag_UT_u_step_ofu_var3( ABR, TU1_tl, TV1_tl );
58  FLA_Bidiag_UT_u_step_opt_var3( ABR, TU1_tl, TV1_tl );
59 
60  /*------------------------------------------------------------*/
61 
62  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02,
63  A10, A11, /**/ A12,
64  /* ************** */ /* ****************** */
65  &ABL, /**/ &ABR, A20, A21, /**/ A22,
66  FLA_TL );
67  FLA_Cont_with_1x3_to_1x2( &TUL, /**/ &TUR, TU0, TU1, /**/ TU2,
68  FLA_LEFT );
69  FLA_Cont_with_1x3_to_1x2( &TVL, /**/ &TVR, TV0, TV1, /**/ TV2,
70  FLA_LEFT );
71  }
72 
73  return FLA_SUCCESS;
74 }
FLA_Error FLA_Bidiag_UT_u_step_opt_var3(FLA_Obj A, FLA_Obj T, FLA_Obj S)
Definition: FLA_Bidiag_UT_u_opt_var3.c:18
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
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_Error FLA_Cont_with_1x3_to_1x2(FLA_Obj *AL, FLA_Obj *AR, FLA_Obj A0, FLA_Obj A1, FLA_Obj A2, FLA_Side side)
Definition: FLA_View.c:475
FLA_Error FLA_Part_1x2(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition: FLA_View.c:110
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116
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_Repart_1x2_to_1x3(FLA_Obj AL, FLA_Obj AR, FLA_Obj *A0, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition: FLA_View.c:267
dim_t FLA_Obj_min_dim(FLA_Obj obj)
Definition: FLA_Query.c:153
unsigned long dim_t
Definition: FLA_type_defs.h:71
Definition: FLA_type_defs.h:159

References FLA_Bidiag_UT_u_step_opt_var3(), FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Obj_length(), FLA_Obj_min_dim(), FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), and FLA_Repart_2x2_to_3x3().

Referenced by FLA_Bidiag_UT_u().