Examples with VNumberArray org.diirt.vtype.VNumberArray used on opensource projects

Example 1 with VNumberArray

use of org.diirt.vtype.VNumberArray in project yamcs-studio by yamcs.

the class AbstractVNumberVNumberArrayToVNumberArrayFormulaFunction method calculate.

@Override
public final Object calculate(List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VNumber arg1 = (VNumber) args.get(0);
    VNumberArray arg2 = (VNumberArray) args.get(1);
    return newVNumberArray(calculate(arg1.getValue().doubleValue(), arg2.getData()), highestSeverityOf(args, false), latestValidTimeOrNowOf(args), displayNone());
}

Example 2 with VNumberArray

use of org.diirt.vtype.VNumberArray in project yamcs-studio by yamcs.

the class ArrayRangeOfFormulaFunction method calculate.

@Override
public Object calculate(List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VNumberArray numberArray = (VNumberArray) args.get(0);
    double min = numberArray.getDimensionDisplay().get(0).getCellBoundaries().getDouble(0);
    double max = numberArray.getDimensionDisplay().get(0).getCellBoundaries().getDouble(numberArray.getSizes().getInt(0));
    return newVNumberArray(new ArrayDouble(min, max), highestSeverityOf(args, false), latestValidTimeOrNowOf(args), displayNone());
}

Example 3 with VNumberArray

use of org.diirt.vtype.VNumberArray in project yamcs-studio by yamcs.

the class DftFormulaFunction method calculate.

@Override
public Object calculate(final List<Object> args) {
    VNumberArray array = (VNumberArray) args.get(0);
    if (array == null) {
        return null;
    }
    if (array.getSizes().size() != 1) {
        throw new IllegalArgumentException("Only 1D array supported for DFT");
    }
    // TODO: no need to allocate empty array
    List<ListNumber> fft = ListMath.dft(array.getData(), new ArrayDouble(new double[array.getData().size()]));
    final ListNumber real = fft.get(0);
    final ListNumber imaginary = fft.get(1);
    ListNumber modulus = new ListDouble() {

        @Override
        public double getDouble(int index) {
            double x = real.getDouble(index);
            double y = imaginary.getDouble(index);
            if (x != 0 || y != 0) {
                return Math.sqrt(x * x + y * y);
            } else {
                return 0.0;
            }
        }

        @Override
        public int size() {
            return real.size();
        }
    };
    ListNumber phase = new ListDouble() {

        @Override
        public double getDouble(int index) {
            double x = real.getDouble(index);
            double y = imaginary.getDouble(index);
            return Math.atan2(y, x);
        }

        @Override
        public int size() {
            return real.size();
        }
    };
    return ValueFactory.newVTable(Arrays.<Class<?>>asList(double.class, double.class, double.class, double.class), Arrays.asList("x", "y", "mod", "phase"), Arrays.<Object>asList(real, imaginary, modulus, phase));
}

Example 4 with VNumberArray

use of org.diirt.vtype.VNumberArray in project yamcs-studio by yamcs.

the class RescaleArrayFormulaFunction method calculate.

@Override
public Object calculate(final List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VNumberArray arg1 = (VNumberArray) args.get(0);
    VNumber arg2 = (VNumber) args.get(1);
    VNumber arg3 = (VNumber) args.get(2);
    return newVNumberArray(ListMath.rescale(arg1.getData(), arg2.getValue().doubleValue(), arg3.getValue().doubleValue()), highestSeverityOf(args, false), latestValidTimeOrNowOf(args), displayNone());
}

Example 5 with VNumberArray

use of org.diirt.vtype.VNumberArray in project yamcs-studio by yamcs.

the class SubArrayFormulaFunction method calculate.

/*
     * (non-Javadoc)
     *
     * @see
     * org.epics.pvmanager.formula.FormulaFunction#calculate(java.util.List)
     */
@Override
public Object calculate(List<Object> args) {
    if (NullUtils.containsNull(args)) {
        return null;
    }
    VNumberArray numberArray = (VNumberArray) args.get(0);
    int fromIndex = ((VNumber) args.get(1)).getValue().intValue();
    int toIndex = ((VNumber) args.get(2)).getValue().intValue();
    return newVNumberArray(ListMath.limit(numberArray.getData(), fromIndex, toIndex), highestSeverityOf(args, false), latestValidTimeOrNowOf(args), displayNone());
}