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FLA_Symm_lu_unb_var10.c File Reference

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Functions

FLA_Error FLA_Symm_lu_unb_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Symm_lu_unb_var10()

FLA_Error FLA_Symm_lu_unb_var10 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)
16 {
17  FLA_Obj BL, BR, B0, b1t, B2;
18 
19  FLA_Obj CL, CR, C0, c1t, C2;
20 
21  FLA_Part_1x2( B, &BL, &BR, 0, FLA_RIGHT );
22 
23  FLA_Part_1x2( C, &CL, &CR, 0, FLA_RIGHT );
24 
25  while ( FLA_Obj_width( BR ) < FLA_Obj_width( B ) ){
26 
27  FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, &b1t, /**/ &B2,
28  1, FLA_LEFT );
29 
30  FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, &c1t, /**/ &C2,
31  1, FLA_LEFT );
32 
33  /*------------------------------------------------------------*/
34 
35  /* c1t = c1t + A * b1t */
36  FLA_Symv_external( FLA_UPPER_TRIANGULAR, alpha, A, b1t, beta, c1t );
37 
38  /*------------------------------------------------------------*/
39 
40  FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, /**/ b1t, B2,
41  FLA_RIGHT );
42 
43  FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, /**/ c1t, C2,
44  FLA_RIGHT );
45 
46  }
47 
48  return FLA_SUCCESS;
49 }
FLA_Error FLA_Symv_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y)
Definition: FLA_Symv_external.c:13
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
dim_t FLA_Obj_width(FLA_Obj obj)
Definition: FLA_Query.c:123
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_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
Definition: FLA_type_defs.h:159

References FLA_Cont_with_1x3_to_1x2(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and FLA_Symv_external().

Referenced by FLA_Symm_lu().