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FLA_Gemm_hh_unb_var4.c File Reference

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Functions

FLA_Error FLA_Gemm_hh_unb_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)
 

Function Documentation

◆ FLA_Gemm_hh_unb_var4()

FLA_Error FLA_Gemm_hh_unb_var4 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x1_to_2x1(), FLA_Gemvc_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x1(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x1_to_3x1(), and FLA_Scal_external().

Referenced by FLA_Gemm_hh().

16 {
17  FLA_Obj BT, B0,
18  BB, b1t,
19  B2;
20 
21  FLA_Obj CL, CR, C0, c1, C2;
22 
23  FLA_Scal_external( beta, C );
24 
25  FLA_Part_2x1( B, &BT,
26  &BB, 0, FLA_BOTTOM );
27 
28  FLA_Part_1x2( C, &CL, &CR, 0, FLA_RIGHT );
29 
30  while ( FLA_Obj_length( BB ) < FLA_Obj_length( B ) ){
31 
32  FLA_Repart_2x1_to_3x1( BT, &B0,
33  &b1t,
34  /* ** */ /* *** */
35  BB, &B2, 1, FLA_TOP );
36 
37  FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, &c1, /**/ &C2,
38  1, FLA_LEFT );
39 
40  /*------------------------------------------------------------*/
41 
42  /* c1 = A' * b1t' + c1 */
43  FLA_Gemvc_external( FLA_CONJ_TRANSPOSE, FLA_CONJUGATE, alpha, A, b1t, FLA_ONE, c1 );
44 
45  /*------------------------------------------------------------*/
46 
47  FLA_Cont_with_3x1_to_2x1( &BT, B0,
48  /* ** */ /* *** */
49  b1t,
50  &BB, B2, FLA_BOTTOM );
51 
52  FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, /**/ c1, C2,
53  FLA_RIGHT );
54 
55  }
56 
57  return FLA_SUCCESS;
58 }
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_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
FLA_Error FLA_Scal_external(FLA_Obj alpha, FLA_Obj A)
Definition: FLA_Scal_external.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
FLA_Obj FLA_ONE
Definition: FLA_Init.c:18
Definition: FLA_type_defs.h:158
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_Gemvc_external(FLA_Trans transa, FLA_Conj conjx, FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y)
Definition: FLA_Gemvc_external.c:13
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_Part_1x2(FLA_Obj A, FLA_Obj *A1, FLA_Obj *A2, dim_t nb, FLA_Side side)
Definition: FLA_View.c:110
dim_t FLA_Obj_length(FLA_Obj obj)
Definition: FLA_Query.c:116