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FLA_Apply_pivots_ln_blk_var2.c File Reference

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Functions

FLA_Error FLA_Apply_pivots_ln_blk_var2 (FLA_Obj p, FLA_Obj A, fla_appiv_t *cntl)
 

Function Documentation

◆ FLA_Apply_pivots_ln_blk_var2()

FLA_Error FLA_Apply_pivots_ln_blk_var2 ( FLA_Obj  p,
FLA_Obj  A,
fla_appiv_t cntl 
)

References FLA_Apply_pivots_internal(), FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Obj_length(), FLA_Part_2x1(), and FLA_Repart_2x1_to_3x1().

Referenced by FLA_Apply_pivots_ln().

14 {
15  FLA_Obj AT, A0,
16  AB, A1,
17  A2;
18 
19  FLA_Obj pT, p0,
20  pB, pi1,
21  p2;
22 
23  dim_t b;
24 
25  FLA_Part_2x1( A, &AT,
26  &AB, 0, FLA_TOP );
27 
28  FLA_Part_2x1( p, &pT,
29  &pB, 0, FLA_TOP );
30 
31  while ( FLA_Obj_length( AT ) < FLA_Obj_length( A ) ) {
32 
33  b = FLA_Determine_blocksize( AB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
34 
35  FLA_Repart_2x1_to_3x1( AT, &A0,
36  /* ** */ /* ** */
37  &A1,
38  AB, &A2, b, FLA_BOTTOM );
39 
40  FLA_Repart_2x1_to_3x1( pT, &p0,
41  /* ** */ /* ** */
42  &pi1,
43  pB, &p2, b, FLA_BOTTOM );
44 
45  /*------------------------------------------------------------*/
46 
47  /* Apply pivots to a block and matrix */
48  FLA_Apply_pivots_internal( FLA_LEFT, FLA_NO_TRANSPOSE, pi1, AB,
49  FLA_Cntl_sub_appiv( cntl ) );
50 
51  /*------------------------------------------------------------*/
52 
53  FLA_Cont_with_3x1_to_2x1( &AT, A0,
54  A1,
55  /* ** */ /* ** */
56  &AB, A2, FLA_TOP );
57 
58  FLA_Cont_with_3x1_to_2x1( &pT, p0,
59  pi1,
60  /* ** */ /* ** */
61  &pB, p2, FLA_TOP );
62  }
63 
64  return FLA_SUCCESS;
65 }
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_Apply_pivots_internal(FLA_Side side, FLA_Trans trans, FLA_Obj p, FLA_Obj A, fla_appiv_t *cntl)
Definition: FLA_Apply_pivots_internal.c:13
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
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
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116