FLA_Gemm_tt_unb_var5.c File Reference

(r)

Functions
FLA_Error	FLA_Gemm_tt_unb_var5 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)

Function Documentation

FLA_Gemm_tt_unb_var5()

FLA_Error FLA_Gemm_tt_unb_var5	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	beta,
		FLA_Obj	C )

{
  FLA_Obj AT,              A0,
          AB,              a1t,
                           A2;
 
  FLA_Obj BL,    BR,       B0,  b1,  B2;
 
  FLA_Scal_external( beta, C );
 
  FLA_Part_2x1( A,    &AT, 
                      &AB,            0, FLA_TOP );
 
  FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );
 
  while ( FLA_Obj_length( AT ) < FLA_Obj_length( A ) ){
 
    FLA_Repart_2x1_to_3x1( AT,                &A0, 
                        /* ** */            /* *** */
                                              &a1t, 
                           AB,                &A2,        1, FLA_BOTTOM );
 
    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &b1, &B2,
                           1, FLA_RIGHT );
 
    /*------------------------------------------------------------*/
 
    /* C = a1t' * b1' + C */
    FLA_Ger_external( alpha, a1t, b1, C );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_3x1_to_2x1( &AT,                A0, 
                                                  a1t, 
                            /* ** */           /* *** */
                              &AB,                A2,     FLA_TOP );
 
    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, b1, /**/ B2,
                              FLA_LEFT );
 
  }
 
  return FLA_SUCCESS;
}

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

Referenced by FLA_Gemm_tt().