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FLA_Tridiag_UT_l_blk_var2.c File Reference

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Functions

FLA_Error FLA_Tridiag_UT_l_blk_var2 (FLA_Obj A, FLA_Obj T)
 

Function Documentation

◆ FLA_Tridiag_UT_l_blk_var2()

FLA_Error FLA_Tridiag_UT_l_blk_var2 ( FLA_Obj  A,
FLA_Obj  T 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Obj_length(), FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x2_to_3x3(), and FLA_Tridiag_UT_l_step_opt_var2().

Referenced by FLA_Tridiag_UT_l().

14 {
15  FLA_Obj ATL, ATR, A00, A01, A02,
16  ABL, ABR, A10, A11, A12,
17  A20, A21, A22;
18  FLA_Obj TL, TR, T0, T1, T2;
19 
20  FLA_Obj T1_tl;
21  FLA_Obj none, none2, none3;
22  dim_t b_alg, b;
23 
24  b_alg = FLA_Obj_length( T );
25 
26  FLA_Part_2x2( A, &ATL, &ATR,
27  &ABL, &ABR, 0, 0, FLA_TL );
28  FLA_Part_1x2( T, &TL, &TR, 0, FLA_LEFT );
29 
30  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) )
31  {
32  b = min( FLA_Obj_length( ABR ), b_alg );
33 
34  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02,
35  /* ************* */ /* ******************** */
36  &A10, /**/ &A11, &A12,
37  ABL, /**/ ABR, &A20, /**/ &A21, &A22,
38  b, b, FLA_BR );
39  FLA_Repart_1x2_to_1x3( TL, /**/ TR, &T0, /**/ &T1, &T2,
40  b, FLA_RIGHT );
41 
42  /*------------------------------------------------------------*/
43 
44  FLA_Part_2x2( T1, &T1_tl, &none,
45  &none2, &none3, b, b, FLA_TL );
46 
47  // [ ABR, T1 ] = FLA_Tridiag_UT_l_step_unb_var2( ABR, T1, b );
48  //FLA_Tridiag_UT_l_step_unb_var2( ABR, T1_tl );
49  //FLA_Tridiag_UT_l_step_ofu_var2( ABR, T1_tl );
50  FLA_Tridiag_UT_l_step_opt_var2( ABR, T1_tl );
51 
52  /*------------------------------------------------------------*/
53 
54  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02,
55  A10, A11, /**/ A12,
56  /* ************** */ /* ****************** */
57  &ABL, /**/ &ABR, A20, A21, /**/ A22,
58  FLA_TL );
59  FLA_Cont_with_1x3_to_1x2( &TL, /**/ &TR, T0, T1, /**/ T2,
60  FLA_LEFT );
61  }
62 
63  return FLA_SUCCESS;
64 }
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
unsigned long dim_t
Definition: FLA_type_defs.h:71
FLA_Error FLA_Tridiag_UT_l_step_opt_var2(FLA_Obj A, FLA_Obj T)
Definition: FLA_Tridiag_UT_l_opt_var2.c:18
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
Definition: FLA_type_defs.h:158
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_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_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