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FLA_Her2k_un_unb_var10.c File Reference

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Functions

FLA_Error FLA_Her2k_un_unb_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Her2k_un_unb_var10()

FLA_Error FLA_Her2k_un_unb_var10 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Her2_external(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and FLA_Scalr_external().

Referenced by FLA_Her2k_un().

16 {
17  FLA_Obj AL, AR, A0, a1t, A2;
18 
19  FLA_Obj BL, BR, B0, b1t, B2;
20 
21  FLA_Scalr_external( FLA_UPPER_TRIANGULAR, beta, C );
22 
23  FLA_Part_1x2( A, &AL, &AR, 0, FLA_RIGHT );
24 
25  FLA_Part_1x2( B, &BL, &BR, 0, FLA_RIGHT );
26 
27  while ( FLA_Obj_width( AR ) < FLA_Obj_width( A ) ){
28 
29 
30  FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, &a1t, /**/ &A2,
31  1, FLA_LEFT );
32 
33  FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, &b1t, /**/ &B2,
34  1, FLA_LEFT );
35 
36  /*------------------------------------------------------------*/
37 
38  /* C = C + a1t * b1t' + b1t * a1t' */
39  FLA_Her2_external( FLA_UPPER_TRIANGULAR, alpha, a1t, b1t, C );
40 
41  /*------------------------------------------------------------*/
42 
43  FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, /**/ a1t, A2,
44  FLA_RIGHT );
45 
46  FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, /**/ b1t, B2,
47  FLA_RIGHT );
48 
49  }
50 
51  return FLA_SUCCESS;
52 }
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
FLA_Error FLA_Scalr_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scalr_external.c:13
Definition: FLA_type_defs.h:158
dim_t FLA_Obj_width(FLA_Obj obj)
Definition: FLA_Query.c:123
FLA_Error FLA_Her2_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj x, FLA_Obj y, FLA_Obj A)
Definition: FLA_Her2_external.c:13
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