How to use

ArrayDouble$D0

in

ucar.ma2

 break;
case DOUBLE:
 data = new ArrayDouble.D0();
 data.setDouble(0, val.doubleValue());
 break;

private int writeCoordinates(double lat, double lon, double alt, Date time) {
 int count = 0;
 // time
 ArrayDouble.D0 tdata = new ArrayDouble.D0();
 double secs = (double) (time.getTime() / 1000.);
 tdata.set(secs);
 Variable v = recordVars.get(count++);
 v.setCachedData(tdata, false);
 // lat
 ArrayDouble.D0 latData = new ArrayDouble.D0();
 latData.set(lat);
 v = recordVars.get(count++);
 v.setCachedData(latData, false);
 // lon
 ArrayDouble.D0 lonData = new ArrayDouble.D0();
 lonData.set(lon);
 v = recordVars.get(count++);
 v.setCachedData(lonData, false);
 // alt
 if (useAlt) {
  ArrayDouble.D0 altData = new ArrayDouble.D0();
  altData.set(alt);
  v = recordVars.get(count++);
  v.setCachedData(altData, false);
 }
 return count;
}

ArrayDouble.D0 datas = new ArrayDouble.D0();
datas.set(222.333);
v = writer.findVariable("scalar");
writer.write(v, datas);

 ArrayDouble.D0 datas = new ArrayDouble.D0();
 datas.set(222.333);
 ncfile.write(scalarVar, datas);
} catch (IOException e) {

assert a.getElementType() == double.class;
assert a instanceof ArrayDouble.D0;
double vald = ((ArrayDouble.D0)a).get();
assert (vald == 1000.0);

assert a.getElementType() == double.class;
assert a instanceof ArrayDouble.D0;
double vald = ((ArrayDouble.D0)a).get();
assert (vald == 1000.0);

ArrayDouble.D0 datas = new ArrayDouble.D0();
datas.set(222.333);
v = writer.findVariable("scalar");
writer.write(v, datas);

assert a.getElementType() == double.class;
assert a instanceof ArrayDouble.D0;
double vald = ((ArrayDouble.D0)a).get();
assert (vald == 1000.0);

 break;
case DOUBLE:
 data = new ArrayDouble.D0();
 data.setDouble(0, val.doubleValue());
 break;

private int writeCoordinates(double lat, double lon, double alt, Date time) {
 int count = 0;
 // time
 ArrayDouble.D0 tdata = new ArrayDouble.D0();
 double secs = (double) (time.getTime() / 1000.);
 tdata.set(secs);
 Variable v = recordVars.get(count++);
 v.setCachedData(tdata, false);
 // lat
 ArrayDouble.D0 latData = new ArrayDouble.D0();
 latData.set(lat);
 v = recordVars.get(count++);
 v.setCachedData(latData, false);
 // lon
 ArrayDouble.D0 lonData = new ArrayDouble.D0();
 lonData.set(lon);
 v = recordVars.get(count++);
 v.setCachedData(lonData, false);
 // alt
 if (useAlt) {
  ArrayDouble.D0 altData = new ArrayDouble.D0();
  altData.set(alt);
  v = recordVars.get(count++);
  v.setCachedData(altData, false);
 }
 return count;
}

private int writeCoordinates(double lat, double lon, double alt, Date time) {
 int count = 0;
 // time
 ArrayDouble.D0 tdata = new ArrayDouble.D0();
 double secs = (double) (time.getTime() / 1000.);
 tdata.set(secs);
 Variable v = recordVars.get(count++);
 v.setCachedData(tdata, false);
 // lat
 ArrayDouble.D0 latData = new ArrayDouble.D0();
 latData.set(lat);
 v = recordVars.get(count++);
 v.setCachedData(latData, false);
 // lon
 ArrayDouble.D0 lonData = new ArrayDouble.D0();
 lonData.set(lon);
 v = recordVars.get(count++);
 v.setCachedData(lonData, false);
 // alt
 if (useAlt) {
  ArrayDouble.D0 altData = new ArrayDouble.D0();
  altData.set(alt);
  v = recordVars.get(count++);
  v.setCachedData(altData, false);
 }
 return count;
}

static ArrayDouble factory( Index index, double [] storage) {
  if (index instanceof Index0D) {
    return new ArrayDouble.D0(index, storage);
  } else if (index instanceof Index1D) {
    return new ArrayDouble.D1(index, storage);
  } else if (index instanceof Index2D) {
    return new ArrayDouble.D2(index, storage);
  } else if (index instanceof Index3D) {
    return new ArrayDouble.D3(index, storage);
  } else if (index instanceof Index4D) {
    return new ArrayDouble.D4(index, storage);
  } else if (index instanceof Index5D) {
    return new ArrayDouble.D5(index, storage);
  } else if (index instanceof Index6D) {
    return new ArrayDouble.D6(index, storage);
  } else if (index instanceof Index7D) {
    return new ArrayDouble.D7(index, storage);
  } else {
    return new ArrayDouble(index, storage);
  }
}

public void writeRecord(double lat, double lon, double alt, Date time, double[] vals, String[] svals) throws IOException {
 int count = writeCoordinates(lat, lon, alt, time);
 Variable v;
 // double data
 for (double val : vals) {
  ArrayDouble.D0 data = new ArrayDouble.D0();
  data.set(val);
  v = recordVars.get(count++);
  v.setCachedData(data, false);
 }
 // String data
 for (String sval : svals) {
  v = recordVars.get(count++);
  int strlen = v.getShape(1);
  ArrayChar data = ArrayChar.makeFromString(sval, strlen);
  v.setCachedData(data, false);
 }
 ncfileOut.writeRecordData(recordVars);
}

public void writeRecord(double lat, double lon, double alt, Date time, double[] vals, String[] svals) throws IOException {
 int count = writeCoordinates(lat, lon, alt, time);
 Variable v;
 // double data
 for (double val : vals) {
  ArrayDouble.D0 data = new ArrayDouble.D0();
  data.set(val);
  v = recordVars.get(count++);
  v.setCachedData(data, false);
 }
 // String data
 for (String sval : svals) {
  v = recordVars.get(count++);
  int strlen = v.getShape(1);
  ArrayChar data = ArrayChar.makeFromString(sval, strlen);
  v.setCachedData(data, false);
 }
 ncfileOut.writeRecordData(recordVars);
}

public void writeRecord(double lat, double lon, double alt, Date time, double[] vals, String[] svals) throws IOException {
 int count = writeCoordinates(lat, lon, alt, time);
 Variable v;
 // double data
 for (double val : vals) {
  ArrayDouble.D0 data = new ArrayDouble.D0();
  data.set(val);
  v = recordVars.get(count++);
  v.setCachedData(data, false);
 }
 // String data
 for (String sval : svals) {
  v = recordVars.get(count++);
  int strlen = v.getShape(1);
  ArrayChar data = ArrayChar.makeFromString(sval, strlen);
  v.setCachedData(data, false);
 }
 ncfileOut.writeRecordData(recordVars);
}

@Test
public void testScalerIter() {
 ArrayDouble.D0 scalar = new ArrayDouble.D0();
 scalar.set( 10.0);
 int count = 0;
 double sum = 0;
 IndexIterator iter = scalar.getIndexIterator();
 while(iter.hasNext()) {
  sum += iter.getDoubleNext();
  count++;
 }
 assert(count == 1);
 assert(sum == 10.0);
}

static ArrayDouble factory( Index index, double [] storage) {
 switch (index.getRank()) {
  case 0 : return new ArrayDouble.D0(index, storage);
  case 1 : return new ArrayDouble.D1(index, storage);
  case 2 : return new ArrayDouble.D2(index, storage);
  case 3 : return new ArrayDouble.D3(index, storage);
  case 4 : return new ArrayDouble.D4(index, storage);
  case 5 : return new ArrayDouble.D5(index, storage);
  case 6 : return new ArrayDouble.D6(index, storage);
  case 7 : return new ArrayDouble.D7(index, storage);
  default : return new ArrayDouble(index, storage);
 }
}

void CheckDValue( Array a) {
 assert a.getRank() == 0;
 assert a.getSize() == 1;
 assert a.getElementType() == double.class;
 assert a instanceof ArrayDouble.D0;
 double vald = ((ArrayDouble.D0)a).get();
 assert (vald == 1000.0);
}

void CheckDValue( Array a) {
 assert a.getRank() == 0;
 assert a.getSize() == 1;
 assert a.getElementType() == double.class;
 assert a instanceof ArrayDouble.D0;
 double vald = ((ArrayDouble.D0)a).get();
 assert (vald == 1000.0);
}

public void addMember(String name, String desc, String units, double val) {
 StructureMembers.Member m = members.addMember(name, desc, units, DataType.DOUBLE,  new int[0]);
 ArrayDouble.D0 data = new ArrayDouble.D0();
 data.set(val);
 setMemberData(m, data);
}