Added ability to build and execute 'add' from Ant

samples/add/.classpath

-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry kind="lib" path="/com.amd.aparapi/dist/aparapi.jar" sourcepath="/com.amd.aparapi">
-		<attributes>
-			<attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="com.amd.aparapi.jni/dist"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="lib" path="/com.amd.aparapi/dist/aparapi.jar" sourcepath="/com.amd.aparapi">
+		<attributes>
+			<attribute name="org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY" value="com.amd.aparapi.jni/dist"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="classes"/>
+</classpath>

samples/add/.gitignore

+/classes/

samples/add/build.xml

 <?xml version="1.0"?>
 
 <project name="add" default="build" basedir=".">
-   <target name="build" depends="clean">
-      <mkdir dir="classes"/>
-      <javac srcdir="src" destdir="classes" debug="on" includeantruntime="false" >
-         <classpath>
-            <pathelement path="../../com.amd.aparapi/dist/aparapi.jar"/>
-         </classpath>
-      </javac>
-      <jar jarfile="${ant.project.name}.jar" basedir="classes"/>
-   </target>
-
-   <target name="clean">
-      <delete dir="classes"/>
-      <delete file="${ant.project.name}.jar"/>
-   </target>
 
+	<!-- Ideally this would be the latest version of Java but not everyone is going to have it installed -->
+	<!-- Additionally we want to avoid "Class not found: javac1.8" errors from old Ant versions (i.e. Eclipse) -->
+	<property name="build.compiler" value="javac1.7" />
+	<property name="ant.build.javac.source" value="1.7" />
+	<property name="ant.build.javac.target" value="1.7" />
+
+	<path id="compiler.class.path">
+		<pathelement path="../../com.amd.aparapi/dist/aparapi.jar" />
+	</path>
+
+	<path id="runtime.class.path" cache="true">
+		<path refid="compiler.class.path" />
+		<pathelement path="${ant.project.name}.jar" />
+	</path>
+
+	<target name="build" depends="clean">
+		<mkdir dir="classes" />
+		<javac srcdir="src" destdir="classes" debug="on" includeantruntime="false">
+			<classpath>
+				<pathelement path="../../com.amd.aparapi/dist/aparapi.jar" />
+			</classpath>
+		</javac>
+		<jar jarfile="${ant.project.name}.jar" basedir="classes" />
+	</target>
+
+	<target name="clean">
+		<delete dir="classes" />
+		<delete file="${ant.project.name}.jar" />
+	</target>
+
+	<target name="run-jtp">
+		<java classname="com.amd.aparapi.sample.add.Main" fork="true">
+			<classpath refid="runtime.class.path" />
+			<sysproperty key="java.library.path" path="..\..\com.amd.aparapi.jni\dist" />
+			<sysproperty key="com.amd.aparapi.executionMode" value="JTP" />
+		</java>
+	</target>
+
+	<target name="run-gpu">
+		<java classname="com.amd.aparapi.sample.add.Main" fork="true">
+			<classpath refid="runtime.class.path" />
+			<sysproperty key="java.library.path" path="..\..\com.amd.aparapi.jni\dist" />
+			<sysproperty key="com.amd.aparapi.executionMode" value="GPU" />
+		</java>
+	</target>
+
+	<target name="run" depends="run-gpu" />
 
 </project>