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FLA_Syrk_un_unb_var4.c File Reference

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Functions

FLA_Error FLA_Syrk_un_unb_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Syrk_un_unb_var4()

FLA_Error FLA_Syrk_un_unb_var4 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Dots_external(), FLA_Gemv_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), FLA_Repart_2x2_to_3x3(), and FLA_Scalr_external().

Referenced by FLA_Syrk_un().

16 {
17  FLA_Obj AT, A0,
18  AB, a1t,
19  A2;
20 
21  FLA_Obj CTL, CTR, C00, c01, C02,
22  CBL, CBR, c10t, gamma11, c12t,
23  C20, c21, C22;
24 
25  FLA_Scalr_external( FLA_UPPER_TRIANGULAR, beta, C );
26 
27  FLA_Part_2x1( A, &AT,
28  &AB, 0, FLA_BOTTOM );
29 
30  FLA_Part_2x2( C, &CTL, &CTR,
31  &CBL, &CBR, 0, 0, FLA_BR );
32 
33  while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){
34 
35  FLA_Repart_2x1_to_3x1( AT, &A0,
36  &a1t,
37  /* ** */ /* *** */
38  AB, &A2, 1, FLA_TOP );
39 
40  FLA_Repart_2x2_to_3x3( CTL, /**/ CTR, &C00, &c01, /**/ &C02,
41  &c10t, &gamma11, /**/ &c12t,
42  /* ************* */ /* ************************** */
43  CBL, /**/ CBR, &C20, &c21, /**/ &C22,
44  1, 1, FLA_TL );
45 
46  /*------------------------------------------------------------*/
47 
48  /* c01 = c01 + A0 * a1t' */
49  FLA_Gemv_external( FLA_NO_TRANSPOSE, alpha, A0, a1t, FLA_ONE, c01 );
50 
51  /* gamma11 = gamma11 + a1t * a1t' */
52  FLA_Dots_external( alpha, a1t, a1t, FLA_ONE, gamma11 );
53 
54  /*------------------------------------------------------------*/
55 
56  FLA_Cont_with_3x1_to_2x1( &AT, A0,
57  /* ** */ /* *** */
58  a1t,
59  &AB, A2, FLA_BOTTOM );
60 
61  FLA_Cont_with_3x3_to_2x2( &CTL, /**/ &CTR, C00, /**/ c01, C02,
62  /* ************** */ /* ************************ */
63  c10t, /**/ gamma11, c12t,
64  &CBL, /**/ &CBR, C20, /**/ c21, C22,
65  FLA_BR );
66 
67  }
68 
69  return FLA_SUCCESS;
70 }
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_Dots_external(FLA_Obj alpha, FLA_Obj x, FLA_Obj y, FLA_Obj beta, FLA_Obj rho)
Definition: FLA_Dots_external.c:13
FLA_Error FLA_Gemv_external(FLA_Trans transa, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y)
Definition: FLA_Gemv_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_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_Scalr_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scalr_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
Definition: FLA_type_defs.h:158
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