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Functions
FLA_Apply_QUD_UT_lhfc_blk_var2.c File Reference

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Functions

FLA_Error FLA_Apply_QUD_UT_lhfc_blk_var2 (FLA_Obj T, FLA_Obj W, FLA_Obj R, FLA_Obj U, FLA_Obj C, FLA_Obj V, FLA_Obj D, fla_apqudut_t *cntl)
 

Function Documentation

◆ FLA_Apply_QUD_UT_lhfc_blk_var2()

FLA_Error FLA_Apply_QUD_UT_lhfc_blk_var2 ( FLA_Obj  T,
FLA_Obj  W,
FLA_Obj  R,
FLA_Obj  U,
FLA_Obj  C,
FLA_Obj  V,
FLA_Obj  D,
fla_apqudut_t cntl 
)

References FLA_Apply_QUD_UT_internal(), FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Obj_width(), FLA_Part_1x2(), and FLA_Repart_1x2_to_1x3().

Referenced by FLA_Apply_QUD_UT_lhfc().

17 {
18  FLA_Obj WL, WR, W0, W1, W2;
19 
20  FLA_Obj RL, RR, R0, R1, R2;
21 
22  FLA_Obj CL, CR, C0, C1, C2;
23 
24  FLA_Obj DL, DR, D0, D1, D2;
25 
26  dim_t b;
27 
28  FLA_Part_1x2( W, &WL, &WR, 0, FLA_LEFT );
29 
30  FLA_Part_1x2( R, &RL, &RR, 0, FLA_LEFT );
31 
32  FLA_Part_1x2( C, &CL, &CR, 0, FLA_LEFT );
33 
34  FLA_Part_1x2( D, &DL, &DR, 0, FLA_LEFT );
35 
36  while ( FLA_Obj_width( RL ) < FLA_Obj_width( R ) ){
37 
38  b = FLA_Determine_blocksize( RR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
39 
40  FLA_Repart_1x2_to_1x3( WL, /**/ WR, &W0, /**/ &W1, &W2,
41  b, FLA_RIGHT );
42 
43  FLA_Repart_1x2_to_1x3( RL, /**/ RR, &R0, /**/ &R1, &R2,
44  b, FLA_RIGHT );
45 
46  FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, /**/ &C1, &C2,
47  b, FLA_RIGHT );
48 
49  FLA_Repart_1x2_to_1x3( DL, /**/ DR, &D0, /**/ &D1, &D2,
50  b, FLA_RIGHT );
51 
52  /*------------------------------------------------------------*/
53 
54  // Apply Q' to R1, C1, and D1 from the left:
55  //
56  // / R1 \ / R1 \
57  // | C1 | = Q' | C1 |
58  // \ D1 / \ D1 /
59  //
60  // where Q is formed from U, V, and T.
61 
62  FLA_Apply_QUD_UT_internal( FLA_LEFT, FLA_CONJ_TRANSPOSE, FLA_FORWARD, FLA_COLUMNWISE,
63  T, W1,
64  R1,
65  U, C1,
66  V, D1, FLA_Cntl_sub_apqudut( cntl ) );
67 
68  /*------------------------------------------------------------*/
69 
70  FLA_Cont_with_1x3_to_1x2( &WL, /**/ &WR, W0, W1, /**/ W2,
71  FLA_LEFT );
72 
73  FLA_Cont_with_1x3_to_1x2( &RL, /**/ &RR, R0, R1, /**/ R2,
74  FLA_LEFT );
75 
76  FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, C1, /**/ C2,
77  FLA_LEFT );
78 
79  FLA_Cont_with_1x3_to_1x2( &DL, /**/ &DR, D0, D1, /**/ D2,
80  FLA_LEFT );
81  }
82 
83  return FLA_SUCCESS;
84 }
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
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
Definition: FLA_type_defs.h:158
dim_t FLA_Obj_width(FLA_Obj obj)
Definition: FLA_Query.c:123
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
FLA_Error FLA_Apply_QUD_UT_internal(FLA_Side side, FLA_Trans trans, FLA_Direct direct, FLA_Store storev, FLA_Obj T, FLA_Obj W, FLA_Obj R, FLA_Obj U, FLA_Obj C, FLA_Obj V, FLA_Obj D, fla_apqudut_t *cntl)
Definition: FLA_Apply_QUD_UT_internal.c:17