jcuda.jnpp

Class JNpp

java.lang.Object

jcuda.jnpp.JNpp

public class JNpp
extends java.lang.Object

Java bindings for NPP. Note that this class only contains common constants and the Java port of the NPP Core functions.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JNpp.Core NPP Core - Basic functions for library management, in particular library version and device property query functions.

Field Summary

Fields

Modifier and Type	Field and Description
static short	NPP_MAX_16S Maximum 16-bit signed integer
static short	NPP_MAX_16U Maximum 16-bit unsigned integer
static int	NPP_MAX_32S Maximum 32-bit signed integer
static int	NPP_MAX_32U Maximum 32-bit unsigned integer
static byte	NPP_MAX_8S Maximum 8-bit signed integer
static byte	NPP_MAX_8U Maximum 8-bit unsigned integer
static short	NPP_MIN_16S Minimum 16-bit signed integer
static short	NPP_MIN_16U Minimum 16-bit unsigned integer
static int	NPP_MIN_32S Minimum 32-bit signed integer
static int	NPP_MIN_32U Minimum 32-bit unsigned integer
static byte	NPP_MIN_8S Minimum 8-bit signed integer
static byte	NPP_MIN_8U Minimum 8-bit unsigned integer
static int	NPP_VERSION_BUILD Build number.
static int	NPP_VERSION_MAJOR Major version number
static int	NPP_VERSION_MINOR Minor version number

Constructor Summary

Constructors

Constructor and Description
JNpp()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) static int	checkResult(int result) If the given result is a NppStatus that indicates an error and exceptions have been enabled, this method will throw a CudaException with an error message that corresponds to the given result code.
(package private) static <T extends TypedPointer<?>> T	checkResult(T result) If the given result is null and exceptions are enabled, then this method will throw a CudaException with an error message stating that a memory allocation failed.
static void	initialize() Initializes the native library.
static void	setExceptionsEnabled(boolean enabled) Enables or disables exceptions.
static void	setLogLevel(jcuda.LogLevel logLevel) Set the specified log level for the JNpp library.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NPP_VERSION_MAJOR

public static final int NPP_VERSION_MAJOR

Major version number

See Also:

Constant Field Values

NPP_VERSION_MINOR

public static final int NPP_VERSION_MINOR

Minor version number

See Also:

Constant Field Values

NPP_VERSION_BUILD

public static final int NPP_VERSION_BUILD

Build number. Reflects the number of the nightly build.

See Also:

Constant Field Values

NPP_MAX_8U

public static final byte NPP_MAX_8U

Maximum 8-bit unsigned integer

See Also:

Constant Field Values

NPP_MAX_16U

public static final short NPP_MAX_16U

Maximum 16-bit unsigned integer

See Also:

Constant Field Values

NPP_MAX_32U

public static final int NPP_MAX_32U

Maximum 32-bit unsigned integer

See Also:

Constant Field Values

NPP_MIN_8U

public static final byte NPP_MIN_8U

Minimum 8-bit unsigned integer

See Also:

Constant Field Values

NPP_MIN_16U

public static final short NPP_MIN_16U

Minimum 16-bit unsigned integer

See Also:

Constant Field Values

NPP_MIN_32U

public static final int NPP_MIN_32U

Minimum 32-bit unsigned integer

See Also:

Constant Field Values

NPP_MIN_8S

public static final byte NPP_MIN_8S

Minimum 8-bit signed integer

See Also:

Constant Field Values

NPP_MAX_8S

public static final byte NPP_MAX_8S

Maximum 8-bit signed integer

See Also:

Constant Field Values

NPP_MIN_16S

public static final short NPP_MIN_16S

Minimum 16-bit signed integer

See Also:

Constant Field Values

NPP_MAX_16S

public static final short NPP_MAX_16S

Maximum 16-bit signed integer

See Also:

Constant Field Values

NPP_MIN_32S

public static final int NPP_MIN_32S

Minimum 32-bit signed integer

See Also:

Constant Field Values

NPP_MAX_32S

public static final int NPP_MAX_32S

Maximum 32-bit signed integer

See Also:

Constant Field Values

Constructor Detail

JNpp

public JNpp()

Method Detail

initialize

public static void initialize()

Initializes the native library. Note that this method does not have to be called explicitly, since it will be called automatically when this class is loaded.

setExceptionsEnabled

public static void setExceptionsEnabled(boolean enabled)

Enables or disables exceptions. By default, the methods of this class only return the NppStatus from the native method. If exceptions are enabled, a CudaException with a detailed error message will be thrown if a method is about to return a result code that indicates an error

Parameters:

enabled - Whether exceptions are enabled

checkResult

static int checkResult(int result)

If the given result is a NppStatus that indicates an error and exceptions have been enabled, this method will throw a CudaException with an error message that corresponds to the given result code. Otherwise, the given result is simply returned.

Parameters:

result - The result to check

Returns:

The result that was given as the parameter

Throws:

jcuda.CudaException - If exceptions have been enabled and the given result code indicates an error

checkResult

static <T extends TypedPointer<?>> T checkResult(T result)

If the given result is null and exceptions are enabled, then this method will throw a CudaException with an error message stating that a memory allocation failed. Otherwise, the result is simply returned.

Type Parameters:

T - The type of the pointer

Parameters:

result - The result

Returns:

The result that was given as a parameter

Throws:

jcuda.CudaException - If exceptions have been enabled and the given result was null

setLogLevel

public static void setLogLevel(jcuda.LogLevel logLevel)

Set the specified log level for the JNpp library.

Currently supported log levels:
LOG_QUIET: Never print anything
LOG_ERROR: Print error messages
LOG_TRACE: Print a trace of all native function calls

Parameters:

logLevel - The log level to use.