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jnr.ffi.byref

public final Class FloatByReference

extends AbstractNumberReference<Float>
Class Inheritance
Imports
jnr.ffi.Pointer, .Runtime

Field Summary

Modifier and TypeField and Description
private static final Float
DEFAULT

Inherited from jnr.ffi.byref.AbstractNumberReference:
value

Constructor Summary

AccessConstructor and Description
public
FloatByReference()

Creates a new reference to a short value initialized to zero.

public
FloatByReference(Float
the initial native value
value)

Creates a new reference to a float value

public
FloatByReference(float
the initial native value
value)

Creates a new reference to a float value

Method Summary

Modifier and TypeMethod and Description
public void
fromNative(Runtime
the current runtime.
runtime, Pointer
the native memory buffer.
buffer, long
the memory offset.
offset)

Implements jnr.ffi.byref.ByReference.fromNative.

Copies the float value from native memory
public final int

Returns:

the size of a byte in bytes
nativeSize(Runtime
the current runtime.
runtime)

Implements jnr.ffi.byref.ByReference.nativeSize.

Gets the native size of type of reference in bytes.
public void
toNative(Runtime
the current runtime.
runtime, Pointer
the native memory buffer.
buffer, long
the memory offset.
offset)

Implements jnr.ffi.byref.ByReference.toNative.

Copies the float value to native memory
Inherited from jnr.ffi.byref.AbstractNumberReference:
byteValuecheckNulldoubleValuefloatValuegetValueintValuelongValueshortValue

Field Detail

DEFAULTback to summary
private static final Float DEFAULT

Constructor Detail

FloatByReferenceback to summary
public FloatByReference()

Creates a new reference to a short value initialized to zero.

FloatByReferenceback to summary
public FloatByReference(Float value)

Creates a new reference to a float value

Parameters
value:Float

the initial native value

FloatByReferenceback to summary
public FloatByReference(float value)

Creates a new reference to a float value

Parameters
value:float

the initial native value

Method Detail

fromNativeback to summary
public void fromNative(Runtime runtime, Pointer buffer, long offset)

Implements jnr.ffi.byref.ByReference.fromNative.

Copies the float value from native memory

Parameters
runtime:Runtime

the current runtime.

buffer:Pointer

the native memory buffer.

offset:long

the memory offset.

nativeSizeback to summary
public final int nativeSize(Runtime runtime)

Implements jnr.ffi.byref.ByReference.nativeSize.

Gets the native size of type of reference in bytes.

Parameters
runtime:Runtime

the current runtime.

Returns:int

the size of a byte in bytes

toNativeback to summary
public void toNative(Runtime runtime, Pointer buffer, long offset)

Implements jnr.ffi.byref.ByReference.toNative.

Copies the float value to native memory

Parameters
runtime:Runtime

the current runtime.

buffer:Pointer

the native memory buffer.

offset:long

the memory offset.