libflame  revision_anchor
Functions
FLA_Trmm_lut_unb_var3.c File Reference

(r)

Functions

FLA_Error FLA_Trmm_lut_unb_var3 (FLA_Diag diagA, FLA_Obj alpha, FLA_Obj A, FLA_Obj B)
 

Function Documentation

◆ FLA_Trmm_lut_unb_var3()

FLA_Error FLA_Trmm_lut_unb_var3 ( FLA_Diag  diagA,
FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B 
)
16 {
17  FLA_Obj BL, BR, B0, b1, B2;
18 
19  FLA_Scal_external( alpha, B );
20 
21  FLA_Part_1x2( B, &BL, &BR, 0, FLA_LEFT );
22 
23  while ( FLA_Obj_width( BL ) < FLA_Obj_width( B ) ){
24 
25  FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &b1, &B2,
26  1, FLA_RIGHT );
27 
28  /*------------------------------------------------------------*/
29 
30  /* b1 = triu( A )' * b1; */
31  FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, diagA, A, b1 );
32 
33  /*------------------------------------------------------------*/
34 
35  FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, b1, /**/ B2,
36  FLA_LEFT );
37 
38  }
39 
40  return FLA_SUCCESS;
41 }
FLA_Error FLA_Scal_external(FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scal_external.c:13
FLA_Error FLA_Trmv_external(FLA_Uplo uplo, FLA_Trans transa, FLA_Diag diag, FLA_Obj A, FLA_Obj x)
Definition: FLA_Trmv_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(), FLA_Scal_external(), and FLA_Trmv_external().

Referenced by FLA_Trmm_lut().