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The NetCDF-Java Library is a Java interface to NetCDF files,
as well as to many other types of scientific data formats.
/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.ma2;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
/**
* Concrete implementation of Array specialized for floats.
* Data storage is with 1D java array of floats.
*
* issues: what should we do if a conversion loses accuracy? nothing ? Exception ?
*
* @see Array
* @author caron
*/
public class ArrayFloat extends Array {
/** package private. use Array.factory() */
static ArrayFloat factory(Index index) {
return ArrayFloat.factory(index, null);
}
/* create new ArrayFloat with given indexImpl and backing store.
* Should be private.
* @param index use this Index
* @param stor. use this storage. if null, allocate.
* @return. new ArrayFloat.D or ArrayFloat object.
*/
static ArrayFloat factory( Index index, float [] storage) {
switch (index.getRank()) {
case 0 : return new ArrayFloat.D0(index, storage);
case 1 : return new ArrayFloat.D1(index, storage);
case 2 : return new ArrayFloat.D2(index, storage);
case 3 : return new ArrayFloat.D3(index, storage);
case 4 : return new ArrayFloat.D4(index, storage);
case 5 : return new ArrayFloat.D5(index, storage);
case 6 : return new ArrayFloat.D6(index, storage);
case 7 : return new ArrayFloat.D7(index, storage);
default : return new ArrayFloat(index, storage);
}
}
//////////////////////////////////////////////////////
protected float[] storage;
/**
* Create a new Array of type float and the given shape.
* dimensions.length determines the rank of the new Array.
* @param dimensions the shape of the Array.
*/
public ArrayFloat(int [] dimensions) {
super(dimensions);
storage = new float[(int) indexCalc.getSize()];
}
/**
* Create a new Array using the given IndexArray and backing store.
* used for sections. Trusted package private.
* @param ima use this IndexArray as the index
* @param data use this as the backing store
*/
ArrayFloat(Index ima, float [] data) {
super(ima);
/* replace by something better
if (ima.getSize() != data.length)
throw new IllegalArgumentException("bad data length"); */
if (data != null)
storage = data;
else
storage = new float[(int)ima.getSize()];
}
/** create new Array with given indexImpl and same backing store */
Array createView( Index index) {
return ArrayFloat.factory( index, storage);
}
/* Get underlying primitive array storage. CAUTION! You may invalidate your warrentee! */
public Object getStorage() { return storage; }
// copy from javaArray to storage using the iterator: used by factory( Object);
void copyFrom1DJavaArray(IndexIterator iter, Object javaArray) {
float[] ja = (float []) javaArray;
for (int i=0; i