FLA_QR2_UT.h File Reference

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Functions
FLA_Error	FLASH_QR2_UT (FLA_Obj U, FLA_Obj D, FLA_Obj T)
FLA_Error	FLA_QR2_UT_internal (FLA_Obj U, FLA_Obj D, FLA_Obj T, fla_qr2ut_t *cntl)

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Function Documentation

FLA_Error FLA_QR2_UT_internal	(	FLA_Obj	U,
		FLA_Obj	D,
		FLA_Obj	T,
		fla_qr2ut_t *	cntl
	)

References FLA_Check_error_level(), FLA_Obj_elemtype(), FLA_QR2_UT_blk_var1(), FLA_QR2_UT_blk_var2(), FLA_QR2_UT_internal(), FLA_QR2_UT_internal_check(), FLA_QR2_UT_opt_var1(), FLA_QR2_UT_unb_var1(), fla_qr2ut_cntl_leaf, and FLASH_Queue_get_enabled().

Referenced by FLA_QR2_UT_blk_var1(), FLA_QR2_UT_blk_var2(), FLA_QR2_UT_internal(), FLA_QR2_UT_task(), FLA_QR_UT_inc_blk_var1(), FLA_QR_UT_inc_blk_var2(), and FLASH_QR2_UT().

{
    FLA_Error r_val = FLA_SUCCESS;
    
    if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
        FLA_QR2_UT_internal_check( B, D, T, cntl );

    if      ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
              FLA_Obj_elemtype( B ) == FLA_MATRIX &&
              FLA_Cntl_variant( cntl ) == FLA_SUBPROBLEM )
    {
        // Recurse
        r_val = FLA_QR2_UT_internal( *FLASH_OBJ_PTR_AT( B ),
                                     *FLASH_OBJ_PTR_AT( D ),
                                     *FLASH_OBJ_PTR_AT( T ),
                                     flash_qr2ut_cntl );
    }
    else if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
              FLA_Obj_elemtype( B ) == FLA_SCALAR &&
              FLASH_Queue_get_enabled( ) )
    {
        // Enqueue
        ENQUEUE_FLASH_QR2_UT( B, D, T, cntl );
    }
    else
    {
        if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
             FLA_Obj_elemtype( B ) == FLA_SCALAR &&
             !FLASH_Queue_get_enabled( ) )
        {
            // Execute leaf.
            cntl = fla_qr2ut_cntl_leaf;
        }

        if      ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT1 )
        {
            r_val = FLA_QR2_UT_unb_var1( B, D, T );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT1 )
        {
            r_val = FLA_QR2_UT_opt_var1( B, D, T );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT1 )
        {
            r_val = FLA_QR2_UT_blk_var1( B, D, T, cntl );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT2 )
        {
            r_val = FLA_QR2_UT_blk_var2( B, D, T, cntl );
        }
        else
        {
            FLA_Check_error_code( FLA_NOT_YET_IMPLEMENTED );
        }
    }

    return r_val;
}

FLA_Error FLASH_QR2_UT	(	FLA_Obj	U,
		FLA_Obj	D,
		FLA_Obj	T
	)

References FLA_Check_error_level(), FLA_QR2_UT_check(), FLA_QR2_UT_internal(), FLASH_Queue_begin(), and FLASH_Queue_end().

{
  FLA_Error r_val;

  // Check parameters.
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_QR2_UT_check( B, D, T );

  // Begin a parallel region.
  FLASH_Queue_begin();
  
  // Invoke FLA_QR2_UT_internal() with the standard control tree.
  r_val = FLA_QR2_UT_internal( B, D, T, flash_qr2ut_cntl );

  // End the parallel region.
  FLASH_Queue_end();

  return r_val;
}