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FLA_Symm_lu_blk_var4.c File Reference

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Functions

FLA_Error FLA_Symm_lu_blk_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_symm_t *cntl)
 

Function Documentation

◆ FLA_Symm_lu_blk_var4()

FLA_Error FLA_Symm_lu_blk_var4 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C,
fla_symm_t cntl 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), FLA_Repart_2x2_to_3x3(), FLA_Scal_internal(), and FLA_Symm_internal().

Referenced by FLA_Symm_lu().

14 {
15  FLA_Obj ATL, ATR, A00, A01, A02,
16  ABL, ABR, A10, A11, A12,
17  A20, A21, A22;
18 
19  FLA_Obj BT, B0,
20  BB, B1,
21  B2;
22 
23  FLA_Obj CT, C0,
24  CB, C1,
25  C2;
26 
27  dim_t b;
28 
29  FLA_Scal_internal( beta, C,
30  FLA_Cntl_sub_scal( cntl ) );
31 
32  FLA_Part_2x2( A, &ATL, &ATR,
33  &ABL, &ABR, 0, 0, FLA_TL );
34 
35  FLA_Part_2x1( B, &BT,
36  &BB, 0, FLA_TOP );
37 
38  FLA_Part_2x1( C, &CT,
39  &CB, 0, FLA_TOP );
40 
41  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){
42 
43  b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );
44 
45  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02,
46  /* ************* */ /* ******************** */
47  &A10, /**/ &A11, &A12,
48  ABL, /**/ ABR, &A20, /**/ &A21, &A22,
49  b, b, FLA_BR );
50 
51  FLA_Repart_2x1_to_3x1( BT, &B0,
52  /* ** */ /* ** */
53  &B1,
54  BB, &B2, b, FLA_BOTTOM );
55 
56  FLA_Repart_2x1_to_3x1( CT, &C0,
57  /* ** */ /* ** */
58  &C1,
59  CB, &C2, b, FLA_BOTTOM );
60 
61  /*------------------------------------------------------------*/
62 
63  /* C0 = C0 + A01 * B1 */
64  FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE,
65  alpha, A01, B1, FLA_ONE, C0,
66  FLA_Cntl_sub_gemm1( cntl ) );
67 
68  /* C1 = C1 + A11 * B1 */
69  FLA_Symm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR,
70  alpha, A11, B1, FLA_ONE, C1,
71  FLA_Cntl_sub_symm( cntl ) );
72 
73  /* C2 = C2 + A12' * B1 */
74  FLA_Gemm_internal( FLA_TRANSPOSE, FLA_NO_TRANSPOSE,
75  alpha, A12, B1, FLA_ONE, C2,
76  FLA_Cntl_sub_gemm2( cntl ) );
77 
78  /*------------------------------------------------------------*/
79 
80  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02,
81  A10, A11, /**/ A12,
82  /* ************** */ /* ****************** */
83  &ABL, /**/ &ABR, A20, A21, /**/ A22,
84  FLA_TL );
85 
86  FLA_Cont_with_3x1_to_2x1( &BT, B0,
87  B1,
88  /* ** */ /* ** */
89  &BB, B2, FLA_TOP );
90 
91  FLA_Cont_with_3x1_to_2x1( &CT, C0,
92  C1,
93  /* ** */ /* ** */
94  &CB, C2, FLA_TOP );
95 
96  }
97 
98  return FLA_SUCCESS;
99 }
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_Gemm_internal(FLA_Trans transa, FLA_Trans transb, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_gemm_t *cntl)
Definition: FLA_Gemm_internal.c:16
unsigned long dim_t
Definition: FLA_type_defs.h:71
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_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_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_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_Symm_internal(FLA_Side side, FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_symm_t *cntl)
Definition: FLA_Symm_internal.c:16
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
FLA_Error FLA_Scal_internal(FLA_Obj alpha, FLA_Obj A, fla_scal_t *cntl)
Definition: FLA_Scal_internal.c:16
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116