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FLA_Apply_Q_UT_inc_lnfc.h File Reference

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FLA_Error FLA_Apply_Q_UT_inc_lnfc_blk_var1 (FLA_Obj A, FLA_Obj TW, FLA_Obj W1, FLA_Obj B, fla_apqutinc_t *cntl)
 

Function Documentation

◆ FLA_Apply_Q_UT_inc_lnfc_blk_var1()

FLA_Error FLA_Apply_Q_UT_inc_lnfc_blk_var1 ( FLA_Obj  A,
FLA_Obj  TW,
FLA_Obj  W1,
FLA_Obj  B,
fla_apqutinc_t cntl 
)

References FLA_Apply_Q2_UT_internal(), FLA_Apply_Q_UT_internal(), FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Obj_length(), FLA_Obj_min_dim(), FLA_Obj_width(), FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), and FLA_Repart_2x2_to_3x3().

Referenced by FLA_Apply_Q_UT_inc_lnfc().

14 {
15  FLA_Obj ATL, ATR, A00, A01, A02,
16  ABL, ABR, A10, A11, A12,
17  A20, A21, A22;
18 
19  FLA_Obj TTL, WTR, T00, W01, W02,
20  TBL, TBR, T10, T11, W12,
21  T20, T21, T22;
22 
23  FLA_Obj BT, B0,
24  BB, B1,
25  B2;
26 
27  dim_t b;
28  dim_t m_BR, n_BR;
29 
30  // If m > n, then we have to initialize our partitionings carefully so
31  // that we begin in the proper location in A and B (since we traverse
32  // matrix A from BR to TL).
33  if ( FLA_Obj_length( A ) > FLA_Obj_width( A ) )
34  {
35  m_BR = FLA_Obj_length( A ) - FLA_Obj_width( A );
36  n_BR = 0;
37  }
38  else
39  {
40  m_BR = 0;
41  n_BR = 0;
42  }
43 
44  FLA_Part_2x2( A, &ATL, &ATR,
45  &ABL, &ABR, m_BR, n_BR, FLA_BR );
46 
47  FLA_Part_2x2( TW, &TTL, &WTR,
48  &TBL, &TBR, m_BR, n_BR, FLA_BR );
49 
50  FLA_Part_2x1( B, &BT,
51  &BB, m_BR, FLA_BOTTOM );
52 
53  while ( FLA_Obj_min_dim( ATL ) > 0 ){
54 
55  b = FLA_Determine_blocksize( ATL, FLA_TL, FLA_Cntl_blocksize( cntl ) );
56 
57  FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, &A01, /**/ &A02,
58  &A10, &A11, /**/ &A12,
59  /* ************* */ /* ******************** */
60  ABL, /**/ ABR, &A20, &A21, /**/ &A22,
61  b, b, FLA_TL );
62 
63  FLA_Repart_2x2_to_3x3( TTL, /**/ WTR, &T00, &W01, /**/ &W02,
64  &T10, &T11, /**/ &W12,
65  /* ************* */ /* ******************** */
66  TBL, /**/ TBR, &T20, &T21, /**/ &T22,
67  b, b, FLA_TL );
68 
69  FLA_Repart_2x1_to_3x1( BT, &B0,
70  &B1,
71  /* ** */ /* ** */
72  BB, &B2, b, FLA_TOP );
73 
74  /*------------------------------------------------------------*/
75 
76  /*
77  Apply Q^H to B1 and B2 from the left:
78 
79  / B1 \ = Q^H * / B1 \
80  \ B2 / \ B2 /
81 
82  where Q is formed from A21 and T21.
83  */
84 
85  FLA_Apply_Q2_UT_internal( FLA_LEFT, FLA_NO_TRANSPOSE, FLA_FORWARD, FLA_COLUMNWISE,
86  A21, T21, W1, B1,
87  B2,
88  FLA_Cntl_sub_apq2ut( cntl ) );
89 
90  /*
91  Apply Q^H to B1 from the left:
92 
93  B1 = Q^H * B1
94 
95  where Q is formed from A11 and T11. Note that W1 refers
96  to a row-panel of blocks where each block refers to an
97  nb_alg-by-b row-panel of workspace.
98  */
99 
100  FLA_Apply_Q_UT_internal( FLA_LEFT, FLA_NO_TRANSPOSE, FLA_FORWARD, FLA_COLUMNWISE,
101  A11, T11, W1, B1,
102  FLA_Cntl_sub_apqut( cntl ) );
103 
104  /*------------------------------------------------------------*/
105 
106  FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, /**/ A01, A02,
107  /* ************** */ /* ****************** */
108  A10, /**/ A11, A12,
109  &ABL, /**/ &ABR, A20, /**/ A21, A22,
110  FLA_BR );
111 
112  FLA_Cont_with_3x3_to_2x2( &TTL, /**/ &WTR, T00, /**/ W01, W02,
113  /* ************** */ /* ****************** */
114  T10, /**/ T11, W12,
115  &TBL, /**/ &TBR, T20, /**/ T21, T22,
116  FLA_BR );
117 
118  FLA_Cont_with_3x1_to_2x1( &BT, B0,
119  /* ** */ /* ** */
120  B1,
121  &BB, B2, FLA_BOTTOM );
122 
123  }
124 
125  return FLA_SUCCESS;
126 }
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
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_Error FLA_Apply_Q_UT_internal(FLA_Side side, FLA_Trans trans, FLA_Direct direct, FLA_Store storev, FLA_Obj A, FLA_Obj T, FLA_Obj W, FLA_Obj B, fla_apqut_t *cntl)
Definition: FLA_Apply_Q_UT_internal.c:17
Definition: FLA_type_defs.h:158
dim_t FLA_Obj_width(FLA_Obj obj)
Definition: FLA_Query.c:123
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_Apply_Q2_UT_internal(FLA_Side side, FLA_Trans trans, FLA_Direct direct, FLA_Store storev, FLA_Obj D, FLA_Obj T, FLA_Obj W, FLA_Obj C, FLA_Obj E, fla_apq2ut_t *cntl)
Definition: FLA_Apply_Q2_UT_internal.c:17
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116
dim_t FLA_Obj_min_dim(FLA_Obj obj)
Definition: FLA_Query.c:153