FLA_CAQR2_UT.h File Reference

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Functions
FLA_Error	FLA_CAQR2_UT_internal (FLA_Obj U, FLA_Obj D, FLA_Obj T, fla_caqr2ut_t *cntl)

---

Function Documentation

FLA_Error FLA_CAQR2_UT_internal	(	FLA_Obj	U,
		FLA_Obj	D,
		FLA_Obj	T,
		fla_caqr2ut_t *	cntl
	)

References FLA_CAQR2_UT_blk_var1(), FLA_CAQR2_UT_blk_var2(), FLA_CAQR2_UT_internal(), FLA_CAQR2_UT_internal_check(), FLA_CAQR2_UT_opt_var1(), FLA_CAQR2_UT_unb_var1(), fla_caqr2ut_cntl_leaf, FLA_Check_error_level(), FLA_Obj_elemtype(), FLA_Obj_structure(), FLA_QR2_UT_task(), and FLASH_Queue_get_enabled().

Referenced by FLA_CAQR2_UT_blk_var1(), FLA_CAQR2_UT_blk_var2(), FLA_CAQR2_UT_internal(), FLA_CAQR2_UT_task(), and FLA_CAQR_UT_inc_blk_var1().

{
    FLA_Error r_val = FLA_SUCCESS;
    
    if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
        FLA_CAQR2_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_CAQR2_UT_internal( *FLASH_OBJ_PTR_AT( B ),
                                      *FLASH_OBJ_PTR_AT( D ),
                                      *FLASH_OBJ_PTR_AT( T ),
                                      flash_caqr2ut_cntl );
    }
    else if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
              FLA_Obj_elemtype( B ) == FLA_SCALAR &&
              FLASH_Queue_get_enabled( ) )
    {
        // Enqueue
        if      ( FLA_Obj_structure( D ) == FLA_FULL_MATRIX )
        {
            ENQUEUE_FLASH_QR2_UT( B, D, T, cntl );
        }
        else if ( FLA_Obj_structure( D ) == FLA_UPPER_TRIANGULAR )
        {
            ENQUEUE_FLASH_CAQR2_UT( B, D, T, cntl );
        }
        else if ( FLA_Obj_structure( D ) == FLA_ZERO_MATRIX )
        {
            // Don't enqueue any tasks for zero blocks.
        }
        else
        {
            FLA_Check_error_code( FLA_NOT_YET_IMPLEMENTED );
        }
    }
    else
    {
        if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
             FLA_Obj_elemtype( B ) == FLA_SCALAR &&
             !FLASH_Queue_get_enabled( ) )
        {
            // Execute leaf.
            if      ( FLA_Obj_structure( D ) == FLA_FULL_MATRIX )
            {
                FLA_QR2_UT_task( B, D, T, NULL );
                return FLA_SUCCESS;
            }
            else if ( FLA_Obj_structure( D ) == FLA_UPPER_TRIANGULAR )
                cntl = fla_caqr2ut_cntl_leaf;
            else if ( FLA_Obj_structure( D ) == FLA_ZERO_MATRIX )
                return FLA_SUCCESS;
            else
                FLA_Check_error_code( FLA_NOT_YET_IMPLEMENTED );
        }

        if      ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT1 )
        {
            r_val = FLA_CAQR2_UT_unb_var1( B, D, T );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT1 )
        {
            r_val = FLA_CAQR2_UT_opt_var1( B, D, T );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT1 )
        {
            r_val = FLA_CAQR2_UT_blk_var1( B, D, T, cntl );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT2 )
        {
            r_val = FLA_CAQR2_UT_blk_var2( B, D, T, cntl );
        }
        else
        {
            FLA_Check_error_code( FLA_NOT_YET_IMPLEMENTED );
        }
    }

    return r_val;
}