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FLA_Hemm_rl_unb_var2.c File Reference

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FLA_Error FLA_Hemm_rl_unb_var2 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Hemm_rl_unb_var2()

FLA_Error FLA_Hemm_rl_unb_var2 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)
16 {
17  FLA_Obj ATL, ATR, A00, a01, A02,
18  ABL, ABR, a10t, alpha11, a12t,
19  A20, a21, A22;
20 
21  FLA_Obj BL, BR, B0, b1t, B2;
22 
23  FLA_Obj CL, CR, C0, c1t, C2;
24 
25  FLA_Scal_external( beta, C );
26 
27  FLA_Part_2x2( A, &ATL, &ATR,
28  &ABL, &ABR, 0, 0, FLA_TL );
29 
30  FLA_Part_1x2( B, &BL, &BR, 0, FLA_LEFT );
31 
32  FLA_Part_1x2( C, &CL, &CR, 0, FLA_LEFT );
33 
34  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){
35 
36  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02,
37  /* ************* */ /* ************************** */
38  &a10t, /**/ &alpha11, &a12t,
39  ABL, /**/ ABR, &A20, /**/ &a21, &A22,
40  1, 1, FLA_BR );
41 
42  FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &b1t, &B2,
43  1, FLA_RIGHT );
44 
45  FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, /**/ &c1t, &C2,
46  1, FLA_RIGHT );
47 
48  /*------------------------------------------------------------*/
49 
50  /* c1t = c1t + B0 * a10t' */
51  FLA_Gemvc_external( FLA_NO_TRANSPOSE, FLA_CONJUGATE, alpha, B0, a10t, FLA_ONE, c1t );
52 
53  /* c1t = c1t + b1t * alpha11 */
54  FLA_Axpys_external( alpha, alpha11, b1t, FLA_ONE, c1t );
55 
56  /* c1t = c1t + B2 * a21 */
57  FLA_Gemv_external( FLA_NO_TRANSPOSE, alpha, B2, a21, FLA_ONE, c1t );
58 
59  /*------------------------------------------------------------*/
60 
61  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02,
62  a10t, alpha11, /**/ a12t,
63  /* ************** */ /* ************************ */
64  &ABL, /**/ &ABR, A20, a21, /**/ A22,
65  FLA_TL );
66 
67  FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, b1t, /**/ B2,
68  FLA_LEFT );
69 
70  FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, c1t, /**/ C2,
71  FLA_LEFT );
72 
73  }
74 
75  return FLA_SUCCESS;
76 }
FLA_Error FLA_Axpys_external(FLA_Obj alpha0, FLA_Obj alpha1, FLA_Obj A, FLA_Obj beta, FLA_Obj B)
Definition: FLA_Axpys_external.c:13
FLA_Error FLA_Scal_external(FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scal_external.c:13
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_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_Obj FLA_ONE
Definition: FLA_Init.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
Definition: FLA_type_defs.h:159

References FLA_Axpys_external(), FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Gemv_external(), FLA_Gemvc_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x2_to_3x3(), and FLA_Scal_external().

Referenced by FLA_Hemm_rl().