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FLA_Her2k_uh_blk_var10.c File Reference

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FLA_Error FLA_Her2k_uh_blk_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_her2k_t *cntl)
 

Function Documentation

◆ FLA_Her2k_uh_blk_var10()

FLA_Error FLA_Her2k_uh_blk_var10 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C,
fla_her2k_t cntl 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Her2k_internal(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Scalr_internal().

Referenced by FLA_Her2k_uh().

16 {
17  FLA_Obj AT, A0,
18  AB, A1,
19  A2;
20 
21  FLA_Obj BT, B0,
22  BB, B1,
23  B2;
24 
25  dim_t b;
26 
27  FLA_Scalr_internal( FLA_UPPER_TRIANGULAR, beta, C,
28  FLA_Cntl_sub_scalr( cntl ) );
29 
30  FLA_Part_2x1( A, &AT,
31  &AB, 0, FLA_BOTTOM );
32 
33  FLA_Part_2x1( B, &BT,
34  &BB, 0, FLA_BOTTOM );
35 
36  while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){
37 
38  b = FLA_Determine_blocksize( AT, FLA_TOP, FLA_Cntl_blocksize( cntl ) );
39 
40  FLA_Repart_2x1_to_3x1( AT, &A0,
41  &A1,
42  /* ** */ /* ** */
43  AB, &A2, b, FLA_TOP );
44 
45  FLA_Repart_2x1_to_3x1( BT, &B0,
46  &B1,
47  /* ** */ /* ** */
48  BB, &B2, b, FLA_TOP );
49 
50  /*------------------------------------------------------------*/
51 
52  /* C = C + A1' * B1 + B1' * A1 */
53  FLA_Her2k_internal( FLA_UPPER_TRIANGULAR, FLA_CONJ_TRANSPOSE,
54  alpha, A1, B1, FLA_ONE, C,
55  FLA_Cntl_sub_her2k( cntl ) );
56 
57  /*------------------------------------------------------------*/
58 
59  FLA_Cont_with_3x1_to_2x1( &AT, A0,
60  /* ** */ /* ** */
61  A1,
62  &AB, A2, FLA_BOTTOM );
63 
64  FLA_Cont_with_3x1_to_2x1( &BT, B0,
65  /* ** */ /* ** */
66  B1,
67  &BB, B2, FLA_BOTTOM );
68 
69  }
70 
71  return FLA_SUCCESS;
72 }
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
unsigned long dim_t
Definition: FLA_type_defs.h:71
FLA_Error FLA_Her2k_internal(FLA_Uplo uplo, FLA_Trans trans, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_her2k_t *cntl)
Definition: FLA_Her2k_internal.c:16
dim_t FLA_Determine_blocksize(FLA_Obj A_unproc, FLA_Quadrant to_dir, fla_blocksize_t *cntl_blocksizes)
Definition: FLA_Blocksize.c:234
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_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_Scalr_internal(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, fla_scalr_t *cntl)
Definition: FLA_Scalr_internal.c:16
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116