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FLA_Her2k_un_unb_var3.c File Reference

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Functions

FLA_Error FLA_Her2k_un_unb_var3 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Her2k_un_unb_var3()

FLA_Error FLA_Her2k_un_unb_var3 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Dot2cs_external(), FLA_Gemv_external(), FLA_Gemvc_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_Her2k_un().

14 {
15  FLA_Obj AT, A0,
16  AB, a1t,
17  A2;
18 
19  FLA_Obj BT, B0,
20  BB, b1t,
21  B2;
22 
23  FLA_Obj CTL, CTR, C00, c01, C02,
24  CBL, CBR, c10t, gamma11, c12t,
25  C20, c21, C22;
26 
27 
28  FLA_Scalr_external( FLA_UPPER_TRIANGULAR, beta, C );
29 
30  FLA_Part_2x1( A, &AT,
31  &AB, 0, FLA_TOP );
32 
33  FLA_Part_2x1( B, &BT,
34  &BB, 0, FLA_TOP );
35 
36  FLA_Part_2x2( C, &CTL, &CTR,
37  &CBL, &CBR, 0, 0, FLA_TL );
38 
39  while ( FLA_Obj_length( AT ) < FLA_Obj_length( A ) ){
40 
41 
42  FLA_Repart_2x1_to_3x1( AT, &A0,
43  /* ** */ /* ** */
44  &a1t,
45  AB, &A2, 1, FLA_BOTTOM );
46 
47  FLA_Repart_2x1_to_3x1( BT, &B0,
48  /* ** */ /* ** */
49  &b1t,
50  BB, &B2, 1, FLA_BOTTOM );
51 
52  FLA_Repart_2x2_to_3x3( CTL, /**/ CTR, &C00, /**/ &c01, &C02,
53  /* ************* */ /* ************************** */
54  &c10t, /**/ &gamma11, &c12t,
55  CBL, /**/ CBR, &C20, /**/ &c21, &C22,
56  1, 1, FLA_BR );
57 
58  /*------------------------------------------------------------*/
59 
60  /* c01 = c01 + A0 * b1t' */
61  FLA_Gemvc_external( FLA_NO_TRANSPOSE, FLA_CONJUGATE, alpha, A0, b1t, FLA_ONE, c01 );
62 
63  /* c12t = c12t + b1t * A2' */
64  FLA_Gemv_external( FLA_CONJ_NO_TRANSPOSE, alpha, A2, b1t, FLA_ONE, c12t );
65 
66  /* gamma11 = gamma11 + a1t * b1t' + b1t * a1t' */
67  FLA_Dot2cs_external( FLA_CONJUGATE, alpha, a1t, b1t, FLA_ONE, gamma11 );
68 
69  /*------------------------------------------------------------*/
70 
71  FLA_Cont_with_3x1_to_2x1( &AT, A0,
72  a1t,
73  /* ** */ /* ** */
74  &AB, A2, FLA_TOP );
75 
76  FLA_Cont_with_3x1_to_2x1( &BT, B0,
77  b1t,
78  /* ** */ /* ** */
79  &BB, B2, FLA_TOP );
80 
81  FLA_Cont_with_3x3_to_2x2( &CTL, /**/ &CTR, C00, c01, /**/ C02,
82  c10t, gamma11, /**/ c12t,
83  /* ************** */ /* ************************ */
84  &CBL, /**/ &CBR, C20, c21, /**/ C22,
85  FLA_TL );
86 
87  }
88 
89  return FLA_SUCCESS;
90 }
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_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_Dot2cs_external(FLA_Conj conj, FLA_Obj alpha, FLA_Obj x, FLA_Obj y, FLA_Obj beta, FLA_Obj rho)
Definition: FLA_Dot2cs_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_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_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