algeb

-

Algebraic to compare against

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

    public static void main( String notused[] ) throws MapleException

    {

        String mapleArgs[];

        Engine kernel;

        Algebraic a1, a2, a3;

        mapleArgs = new String[1];

        mapleArgs[0] = "java";

        kernel = new Engine( mapleArgs, new EngineCallBacksDefault(),

                null, null );

        a1 = kernel.evaluate( "1:" );

        a2 = kernel.evaluate( "2:" );

        a3 = kernel.evaluate( "1:" );

        if ( a1 == a2 || a2 == a3 || a1 == a3 )

        {

            System.out.println( "equal objects" );

        }

    else

    {

            System.out.println( "all java object are unequal" );

    }

        if ( a1.dagEquals( a2 ) || a2.dagEquals( a3 ) )

        {

            System.out.println( "equal dags" );

        }

    else

    {

            System.out.println( "the dag for 1 not equal to the dag for 2" );

    }

        if ( ! a1.dagEquals( a3 ) )

        {

            System.out.println( "unequal dags" );

        }

    else

    {

        System.out.println( "equal dags" );

    }

    }

}

all java object are unequal

dag for 1 not equal to the dag for 2

equal dags