scala> val result = a.map(x =>cos(x / 100.0f).toFloat).zipWithIndex
com.nativelibs4java.opencl.CLBuildException: Compilation failure : CL_BUILD_PROGRAM_FAILURE
C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(2): error: can’t enable all
OpenCL extensions or unrecognized OpenCL extension
#pragma OPENCL EXTENSION cl_khr_byte_addressable_store : enable
^

C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(12): warning:
double-precision constant is represented as single-precision
constant because double is not enabled
out0[0] = ((float)cos((float)(in0 / 100.0)));
^

C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(15): error: can’t enable all
OpenCL extensions or unrecognized OpenCL extension
#pragma OPENCL EXTENSION cl_khr_byte_addressable_store : enable
^

C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(29): warning:
double-precision constant is represented as single-precision
constant because double is not enabled
out0[__cl_i] = ((float)cos((float)(in0[__cl_i] / 100.0)));
^

C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(46): warning:
double-precision constant is represented as single-precision
constant because double is not enabled
out0[__cl_i] = ((float)cos((float)(in0[__cl_i] / 100.0)));
^

C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl(61): warning:
double-precision constant is represented as single-precision
constant because double is not enabled
out0[__cl_i] = ((float)cos((float)((in0[0] + (__cl_i) * in0[2]) / 100.0)));
^

2 errors detected in the compilation of “C:\Users\vince\AppData\Local\Temp\OCLD7A4.tmp.cl”.

at com.nativelibs4java.opencl.CLProgram.build(CLProgram.java:691)
at com.nativelibs4java.opencl.CLProgram.createKernels(CLProgram.java:724)
at scalacl.impl.CLCode$$anonfun$getProgramAndKernels$1.apply(CLCode.scala:35)
at scalacl.impl.CLCode$$anonfun$getProgramAndKernels$1.apply(CLCode.scala:25)
at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:188)
at scala.collection.mutable.HashMap.getOrElseUpdate(HashMap.scala:43)
at scalacl.impl.CLCode$class.getProgramAndKernels(CLCode.scala:23)
at scalacl.impl.CLFunction.getProgramAndKernels(CLFunction.scala:49)
at scalacl.impl.CLCode$class.getKernel(CLCode.scala:48)
at scalacl.impl.CLFunction.getKernel(CLFunction.scala:49)
at scalacl.impl.CLFunction.run(CLFunction.scala:264)
at scalacl.impl.CLRunnable$$anonfun$run$5.apply(CLFunction.scala:30)
at scalacl.impl.CLRunnable$$anonfun$run$5.apply(CLFunction.scala:29)
at scalacl.impl.CLEventBound$.recursiveSync$1(CLEventBound.scala:76)
at scalacl.impl.CLEventBound$.recursiveSync$1(CLEventBound.scala:78)
at scalacl.impl.CLEventBound$.syncBlock(CLEventBound.scala:97)
at scalacl.impl.CLRunnable$class.run(CLFunction.scala:26)
at scalacl.impl.CLFunction.run(CLFunction.scala:49)
at scalacl.MappableToCLArray$class.map(CLArray.scala:71)
at scalacl.CLRange.map(CLRange.scala:52)
at scalacl.CLCollectionLike$class.map(CLCollection.scala:77)
at scalacl.CLRange.map(CLRange.scala:52)
at .(:15)
at .()
at .(:11)
at .()
at $export()
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:592)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$10.apply(IMain.scala:828)
at scala.tools.nsc.interpreter.Line$$anonfun$1.apply$mcV$sp(Line.scala:43)
at scala.tools.nsc.io.package$$anon$2.run(package.scala:31)
at java.lang.Thread.run(Thread.java:662)

scala>

[1] http://code.google.com/p/nativelibs4java/source/browse/#svn%2Ftrunk%2Flibraries%2FOpenCL%2FJavaCL%2Fsrc%2Fmain%2Fopencl%2Fcom%2Fnativelibs4java%2Fopencl%2Futil%2Ffft

Thanks

import com.sun.jna.Library;
import com.sun.jna.Native;

/**
*
* @author Sunitha
*/
/**
* Utility method to retrieve the idle time on Mac OS X 10.4+
* @author kwindszus
*/
public class MacIdleTime {

public interface ApplicationServices extends Library {

ApplicationServices INSTANCE = (ApplicationServices) Native.loadLibrary(“ApplicationServices”, ApplicationServices.class);

int kCGAnyInputEventType = ~0;
int kCGEventSourceStatePrivate = -1;
int kCGEventSourceStateCombinedSessionState = 0;
int kCGEventSourceStateHIDSystemState = 1;

/**
* @see http://developer.apple.com/mac/library/documentation/Carbon/Reference/QuartzEventServicesRef/Reference/reference.html#//apple_ref/c/func/CGEventSourceSecondsSinceLastEventType
* @param sourceStateId
* @param eventType
* @return the elapsed seconds since the last input event
*/
public double CGEventSourceSecondsSinceLastEventType(int sourceStateId, int eventType);
}

public static long getIdleTimeMillis() {
double idleTimeSeconds = ApplicationServices.INSTANCE.CGEventSourceSecondsSinceLastEventType(ApplicationServices.kCGEventSourceStateCombinedSessionState, ApplicationServices.kCGAnyInputEventType);
return (long) (idleTimeSeconds * 1000);
}
}