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FLA_Syrk_lt_unb_var6.c File Reference

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Functions

FLA_Error FLA_Syrk_lt_unb_var6 (FLA_Obj alpha, FLA_Obj A, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Syrk_lt_unb_var6()

FLA_Error FLA_Syrk_lt_unb_var6 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_3x1_to_2x1(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), FLA_Scalr_external(), and FLA_Syr_external().

Referenced by FLA_Syrk_lt().

16 {
17  FLA_Obj AT, A0,
18  AB, a1t,
19  A2;
20 
21  FLA_Scalr_external( FLA_LOWER_TRIANGULAR, beta, C );
22 
23  FLA_Part_2x1( A, &AT,
24  &AB, 0, FLA_BOTTOM );
25 
26  while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){
27 
28  FLA_Repart_2x1_to_3x1( AT, &A0,
29  &a1t,
30  /* ** */ /* *** */
31  AB, &A2, 1, FLA_TOP );
32 
33  /*------------------------------------------------------------*/
34 
35  /* C := C + a1t' * a1t */
36  FLA_Syr_external( FLA_LOWER_TRIANGULAR, alpha, a1t, C );
37 
38  /*------------------------------------------------------------*/
39 
40  FLA_Cont_with_3x1_to_2x1( &AT, A0,
41  /* ** */ /* *** */
42  a1t,
43  &AB, A2, FLA_BOTTOM );
44 
45  }
46 
47  return FLA_SUCCESS;
48 }
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_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_Scalr_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scalr_external.c:13
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
FLA_Error FLA_Syr_external(FLA_Uplo uplo, FLA_Obj alpha, FLA_Obj x, FLA_Obj A)
Definition: FLA_Syr_external.c:13
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116