public void readDoubleMissing() throws Exception {
VariableDS v = null;
assert (null != (v = (VariableDS) dsRead.findVariable("m1")));
assert (v.getDataType() == DataType.DOUBLE);
Array A = v.read();
Index ima = A.getIndex();
double val = A.getFloat(ima.set(1, 1));
assert Double.isNaN(val);
assert v.isMissing(val);
// reread with useNans off
v.setUseNaNs(false);
v.createNewCache();
A = v.read();
ima = A.getIndex();
val = A.getFloat(ima.set(1, 1));
assert TestAll.closeEnough(val, -999.99) : val;
assert v.isMissing(val);
}
public void readShort2FloatMissing() throws Exception {
Variable v = null;
assert (null != (v = ncfileRead.findVariable("t5")));
assert (v.getDataType() == DataType.SHORT);
// standard convert with missing data
assert (null != (v = dsRead.findVariable("t5")));
assert v instanceof VariableEnhanced;
assert v instanceof VariableDS;
VariableDS vs = (VariableDS) v;
assert (vs.getDataType() == DataType.FLOAT);
assert (vs.hasMissing());
assert (vs.hasMissingValue());
double mv = 2 * (-9999) + 77;
assert (vs.isMissing((double) mv));
assert (vs.isMissingValue((double) mv));
Array A = vs.read();
Index ima = A.getIndex();
int[] shape = A.getShape();
int i, j;
assert (vs.isMissing(A.getFloat(ima.set(0, 0))));
for (i = 0; i < shape[0]; i++) {
for (j = 1; j < shape[1]; j++) {
float val = A.getFloat(ima.set(i, j));
float want = 2 * (i * 10 + j) + 77;
if (val != want) System.out.println(i + " " + j + " " + val + " " + want);
assert (val == want);
}
}
// useNaNs
vs.setUseNaNs(true);
assert (vs.getDataType() == DataType.FLOAT);
assert (vs.hasMissing());
assert (vs.hasMissingValue());
double mv2 = 2 * (-9999) + 77;
assert (vs.isMissing((double) mv2));
assert (vs.isMissingValue((double) mv2));
Array A2 = vs.read();
Index ima2 = A2.getIndex();
int[] shape2 = A2.getShape();
double mval = A2.getFloat(ima2.set(0, 0));
assert vs.isMissing(mval);
assert Double.isNaN(mval);
for (i = 0; i < shape2[0]; i++) {
for (j = 1; j < shape2[1]; j++) {
float val = A2.getFloat(ima2.set(i, j));
float want = 2 * (i * 10 + j) + 77;
if (val != want) System.out.println(i + " " + j + " " + val + " " + want);
assert (val == want) : val + " != " + want;
}
}
assert (null == vs.findAttribute(CDM.SCALE_FACTOR));
assert (null == vs.findAttribute("add_offset"));
assert (null == vs.findAttribute(CDM.MISSING_VALUE));
System.out.println("**************TestStandardVar Read readShort2FloatMissing");
}
