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Functions
FLA_Scalr_u_blk_var3.c File Reference

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Functions

FLA_Error FLA_Scalr_u_blk_var3 (FLA_Obj alpha, FLA_Obj A, fla_scalr_t *cntl)
 

Function Documentation

◆ FLA_Scalr_u_blk_var3()

FLA_Error FLA_Scalr_u_blk_var3 ( FLA_Obj  alpha,
FLA_Obj  A,
fla_scalr_t cntl 
)
14 {
15  FLA_Obj ATL, ATR, A00, A01, A02,
16  ABL, ABR, A10, A11, A12,
17  A20, A21, A22;
18 
19  dim_t b;
20 
21  FLA_Part_2x2( A, &ATL, &ATR,
22  &ABL, &ABR, 0, 0, FLA_TL );
23 
24  while ( FLA_Obj_min_dim( ABR ) > 0 ){
25 
26  b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );
27 
28  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02,
29  /* ************* */ /* ******************** */
30  &A10, /**/ &A11, &A12,
31  ABL, /**/ ABR, &A20, /**/ &A21, &A22,
32  b, b, FLA_BR );
33 
34  /*------------------------------------------------------------*/
35 
36  // A11 = alpha * triu( A11 );
37  FLA_Scalr_internal( FLA_UPPER_TRIANGULAR, alpha, A11,
38  FLA_Cntl_sub_scalr( cntl ) );
39 
40  // A01 = alpha * A01;
41  FLA_Scal_internal( alpha, A01,
42  FLA_Cntl_sub_scal( cntl ) );
43 
44  /*------------------------------------------------------------*/
45 
46  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02,
47  A10, A11, /**/ A12,
48  /* ************** */ /* ****************** */
49  &ABL, /**/ &ABR, A20, A21, /**/ A22,
50  FLA_TL );
51  }
52 
53  return FLA_SUCCESS;
54 }
FLA_Error FLA_Scal_internal(FLA_Obj alpha, FLA_Obj A, fla_scal_t *cntl)
Definition: FLA_Scal_internal.c:16
FLA_Error FLA_Scalr_internal(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, fla_scalr_t *cntl)
Definition: FLA_Scalr_internal.c:16
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_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
dim_t FLA_Determine_blocksize(FLA_Obj A_unproc, FLA_Quadrant to_dir, fla_blocksize_t *cntl_blocksizes)
Definition: FLA_Blocksize.c:234
dim_t FLA_Obj_min_dim(FLA_Obj obj)
Definition: FLA_Query.c:153
unsigned long dim_t
Definition: FLA_type_defs.h:71
Definition: FLA_type_defs.h:159

References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Obj_min_dim(), FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Scal_internal(), and FLA_Scalr_internal().

Referenced by FLA_Scalr_u().