FLA_Trmm_ruh_unb_var4.c File Reference

(r)

Functions
FLA_Error	FLA_Trmm_ruh_unb_var4 (FLA_Diag diagA, FLA_Obj alpha, FLA_Obj A, FLA_Obj B)

Function Documentation

FLA_Trmm_ruh_unb_var4()

FLA_Error FLA_Trmm_ruh_unb_var4	(	FLA_Diag	diagA,
		FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B
	)

{
  FLA_Obj BT,              B0,
          BB,              b1t,
                           B2;
 
  FLA_Scal_external( alpha, B );
 
  FLA_Part_2x1( B,    &BT, 
                      &BB,            0, FLA_BOTTOM );
 
  while ( FLA_Obj_length( BB ) < FLA_Obj_length( B ) ){
 
    FLA_Repart_2x1_to_3x1( BT,                &B0, 
                                              &b1t, 
                        /* ** */            /* *** */
                           BB,                &B2,        1, FLA_TOP );
 
    /*------------------------------------------------------------*/
 
    /* b1t = b1t * triu( A )'; */
    FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_CONJ_NO_TRANSPOSE, diagA, A, b1t );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_3x1_to_2x1( &BT,                B0, 
                            /* ** */           /* *** */
                                                  b1t, 
                              &BB,                B2,     FLA_BOTTOM );
 
  }
 
  return FLA_SUCCESS;
}

References FLA_Cont_with_3x1_to_2x1(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), FLA_Scal_external(), FLA_Trmv_external(), and i.

Referenced by FLA_Trmm_ruh().