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author | Michael Koch <konqueror@gmx.de> | 2002-11-18 13:56:59 +0000 |
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committer | Michael Koch <mkoch@gcc.gnu.org> | 2002-11-18 13:56:59 +0000 |
commit | 48f5b6723a0f7dd8e8889c2eb4deea9185863386 (patch) | |
tree | dc11eac332267abf0e840035b2c7a0117e161f8c /libjava/java/nio/FloatBuffer.java | |
parent | d812d8211c5bbed77cc3f1ea842b9e74ade15f81 (diff) | |
download | gcc-48f5b6723a0f7dd8e8889c2eb4deea9185863386.zip gcc-48f5b6723a0f7dd8e8889c2eb4deea9185863386.tar.gz gcc-48f5b6723a0f7dd8e8889c2eb4deea9185863386.tar.bz2 |
ByteBufferImpl.java, [...]: New files.
2002-11-18 Michael Koch <konqueror@gmx.de>
* gnu/java/nio/ByteBufferImpl.java,
gnu/java/nio/CharBufferImpl.java,
gnu/java/nio/DatagramChannelImpl.java,
gnu/java/nio/DoubleBufferImpl.java,
gnu/java/nio/FileChannelImpl.java,
gnu/java/nio/FloatBufferImpl.java,
gnu/java/nio/IntBufferImpl.java,
gnu/java/nio/LongBufferImpl.java,
gnu/java/nio/PipeImpl.java,
gnu/java/nio/SelectionKeyImpl.java,
gnu/java/nio/SelectorImpl.java,
gnu/java/nio/SelectorProviderImpl.java,
gnu/java/nio/ServerSocketChannelImpl.java,
gnu/java/nio/ShortBufferImpl.java,
gnu/java/nio/SocketChannelImpl.java,
java/nio/DoubleBuffer.java,
java/nio/FloatBuffer.java,
java/nio/IntBuffer.java,
java/nio/LongBuffer.java,
java/nio/ShortBuffer.java,
java/nio/channels/FileChannel.java: New files.
From-SVN: r59216
Diffstat (limited to 'libjava/java/nio/FloatBuffer.java')
-rw-r--r-- | libjava/java/nio/FloatBuffer.java | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/libjava/java/nio/FloatBuffer.java b/libjava/java/nio/FloatBuffer.java new file mode 100644 index 0000000..f06ef18 --- /dev/null +++ b/libjava/java/nio/FloatBuffer.java @@ -0,0 +1,224 @@ +/* FloatBuffer.java -- + Copyright (C) 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package java.nio; + +import gnu.java.nio.FloatBufferImpl; + +public abstract class FloatBuffer extends Buffer +{ + private ByteOrder endian = ByteOrder.BIG_ENDIAN; + protected float [] backing_buffer; + + public static FloatBuffer allocateDirect(int capacity) + { + return new FloatBufferImpl (capacity, 0, capacity); + } + + public static FloatBuffer allocate(int capacity) + { + return new FloatBufferImpl (capacity, 0, capacity); + } + + final public static FloatBuffer wrap(float[] array, int offset, int length) + { + return new FloatBufferImpl(array, offset, length); + } + + final public static FloatBuffer wrap(String a) + { + int len = a.length(); + float[] buffer = new float[len]; + + for (int i=0;i<len;i++) + { + buffer[i] = (float) a.charAt(i); + } + + return wrap(buffer, 0, len); + } + + final public static FloatBuffer wrap(float[] array) + { + return wrap(array, 0, array.length); + } + + final public FloatBuffer get(float[] dst, int offset, int length) + { + for (int i = offset; i < offset + length; i++) + { + dst[i] = get(); + } + + return this; + } + + final public FloatBuffer get(float[] dst) + { + return get(dst, 0, dst.length); + } + + final public FloatBuffer put(FloatBuffer src) + { + while (src.hasRemaining()) + put(src.get()); + + return this; + } + + final public FloatBuffer put(float[] src, int offset, int length) + { + for (int i = offset; i < offset + length; i++) + put(src[i]); + + return this; + } + + public final FloatBuffer put(float[] src) + { + return put(src, 0, src.length); + } + + public final boolean hasArray() + { + return (backing_buffer != null); + } + + public final float[] array() + { + return backing_buffer; + } + + public final int arrayOffset() + { + return 0; + } + + public int hashCode() + { + return super.hashCode(); + } + + public boolean equals(Object obj) + { + if (obj instanceof FloatBuffer) + { + return compareTo(obj) == 0; + } + return false; + } + + public int compareTo(Object ob) + { + FloatBuffer a = (FloatBuffer) ob; + + if (a.remaining() != remaining()) + return 1; + + if (! hasArray() || + ! a.hasArray()) + { + return 1; + } + + int r = remaining(); + int i1 = position (); + int i2 = a.position (); + + for (int i=0;i<r;i++) + { + int t = (int) (get(i1)- a.get(i2)); + if (t != 0) + { + return (int) t; + } + } + + return 0; + } + + public final ByteOrder order() + { + return endian; + } + + public final FloatBuffer order(ByteOrder bo) + { + endian = bo; + return this; + } + + public abstract float get(); + public abstract java.nio. FloatBuffer put(float b); + public abstract float get(int index); + public abstract java.nio. FloatBuffer put(int index, float b); + public abstract FloatBuffer compact(); + public abstract boolean isDirect(); + public abstract FloatBuffer slice(); + public abstract FloatBuffer duplicate(); + public abstract FloatBuffer asReadOnlyBuffer(); + public abstract ShortBuffer asShortBuffer(); + public abstract CharBuffer asCharBuffer(); + public abstract IntBuffer asIntBuffer(); + public abstract LongBuffer asLongBuffer(); + public abstract FloatBuffer asFloatBuffer(); + public abstract DoubleBuffer asDoubleBuffer(); + public abstract char getChar(); + public abstract FloatBuffer putChar(char value); + public abstract char getChar(int index); + public abstract FloatBuffer putChar(int index, char value); + public abstract short getShort(); + public abstract FloatBuffer putShort(short value); + public abstract short getShort(int index); + public abstract FloatBuffer putShort(int index, short value); + public abstract int getInt(); + public abstract FloatBuffer putInt(int value); + public abstract int getInt(int index); + public abstract FloatBuffer putInt(int index, int value); + public abstract long getLong(); + public abstract FloatBuffer putLong(long value); + public abstract long getLong(int index); + public abstract FloatBuffer putLong(int index, long value); + public abstract float getFloat(); + public abstract FloatBuffer putFloat(float value); + public abstract float getFloat(int index); + public abstract FloatBuffer putFloat(int index, float value); + public abstract double getDouble(); + public abstract FloatBuffer putDouble(double value); + public abstract double getDouble(int index); + public abstract FloatBuffer putDouble(int index, double value); +} |