2 Copyright (C) 2002 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
40 import gnu
.java
.nio
.FloatBufferImpl
;
42 public abstract class FloatBuffer
extends Buffer
implements Comparable
44 protected float [] backing_buffer
;
45 protected int array_offset
;
47 public static FloatBuffer
allocateDirect(int capacity
)
49 throw new Error ("direct buffers not implemented");
52 public static FloatBuffer
allocate(int capacity
)
54 return new FloatBufferImpl (capacity
, 0, capacity
);
57 final public static FloatBuffer
wrap(float[] array
, int offset
, int length
)
59 return new FloatBufferImpl(array
, offset
, length
);
62 final public static FloatBuffer
wrap(String a
)
65 float[] buffer
= new float[len
];
67 for (int i
=0;i
<len
;i
++)
69 buffer
[i
] = (float) a
.charAt(i
);
72 return wrap(buffer
, 0, len
);
75 final public static FloatBuffer
wrap(float[] array
)
77 return wrap(array
, 0, array
.length
);
80 FloatBuffer (int capacity
, int limit
, int position
, int mark
)
82 super (capacity
, limit
, position
, mark
);
86 public FloatBuffer
get (float[] dst
, int offset
, int length
)
88 for (int i
= offset
; i
< offset
+ length
; i
++)
96 public FloatBuffer
get (float[] dst
)
98 return get(dst
, 0, dst
.length
);
101 public FloatBuffer
put (FloatBuffer src
)
103 while (src
.hasRemaining())
109 public FloatBuffer
put (float[] src
, int offset
, int length
)
111 for (int i
= offset
; i
< offset
+ length
; i
++)
117 public final FloatBuffer
put(float[] src
)
119 return put(src
, 0, src
.length
);
122 public final boolean hasArray()
124 return (backing_buffer
!= null
128 public final float[] array()
130 if (backing_buffer
== null)
131 throw new UnsupportedOperationException ();
134 throw new ReadOnlyBufferException ();
136 return backing_buffer
;
139 public final int arrayOffset()
141 if (backing_buffer
== null)
142 throw new UnsupportedOperationException ();
145 throw new ReadOnlyBufferException ();
150 public int hashCode()
152 return super.hashCode();
155 public boolean equals(Object obj
)
157 if (obj
instanceof FloatBuffer
)
159 return compareTo(obj
) == 0;
165 public int compareTo(Object ob
)
167 FloatBuffer a
= (FloatBuffer
) ob
;
169 if (a
.remaining() != remaining())
179 int i1
= position ();
180 int i2
= a
.position ();
182 for (int i
=0;i
<r
;i
++)
184 int t
= (int) (get(i1
)- a
.get(i2
));
194 public abstract ByteOrder
order ();
195 public abstract float get();
196 public abstract java
.nio
. FloatBuffer
put(float b
);
197 public abstract float get(int index
);
198 public abstract java
.nio
. FloatBuffer
put(int index
, float b
);
199 public abstract FloatBuffer
compact();
200 public abstract boolean isDirect();
201 public abstract FloatBuffer
slice();
202 public abstract FloatBuffer
duplicate();
203 public abstract FloatBuffer
asReadOnlyBuffer();