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FLA_Symm_ru_unb_var10.c File Reference

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Functions

FLA_Error FLA_Symm_ru_unb_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Symm_ru_unb_var10()

FLA_Error FLA_Symm_ru_unb_var10 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)
16 {
17  FLA_Obj BT, B0,
18  BB, b1t,
19  B2;
20 
21  FLA_Obj CT, C0,
22  CB, c1t,
23  C2;
24 
25  FLA_Part_2x1( B, &BT,
26  &BB, 0, FLA_BOTTOM );
27 
28  FLA_Part_2x1( C, &CT,
29  &CB, 0, FLA_BOTTOM );
30 
31  while ( FLA_Obj_length( BB ) < FLA_Obj_length( B ) ){
32 
33  FLA_Repart_2x1_to_3x1( BT, &B0,
34  &b1t,
35  /* ** */ /* ** */
36  BB, &B2, 1, FLA_TOP );
37 
38  FLA_Repart_2x1_to_3x1( CT, &C0,
39  &c1t,
40  /* ** */ /* ** */
41  CB, &C2, 1, FLA_TOP );
42 
43  /*------------------------------------------------------------*/
44 
45  /* c1t = c1t + b1t * A */
46  /* c1t' = c1t' + A' * b1t' */
47  FLA_Symv_external( FLA_UPPER_TRIANGULAR, alpha, A, b1t, beta, c1t );
48 
49  /*------------------------------------------------------------*/
50 
51  FLA_Cont_with_3x1_to_2x1( &BT, B0,
52  /* ** */ /* ** */
53  b1t,
54  &BB, B2, FLA_BOTTOM );
55 
56  FLA_Cont_with_3x1_to_2x1( &CT, C0,
57  /* ** */ /* ** */
58  c1t,
59  &CB, C2, FLA_BOTTOM );
60 
61  }
62 
63  return FLA_SUCCESS;
64 }
FLA_Error FLA_Symv_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y)
Definition: FLA_Symv_external.c:13
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_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_Part_2x1(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t mb, FLA_Side side)
Definition: FLA_View.c:76
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116
Definition: FLA_type_defs.h:159

References FLA_Cont_with_3x1_to_2x1(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Symv_external().

Referenced by FLA_Symm_ru().