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Engine Table: Implementation and closely-coupled utilities
/**
* Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
*/
/*
* ---------------------------------------------------------------------------------------------------------------------
* AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY - for any changes edit SumCharChunk and regenerate
* ---------------------------------------------------------------------------------------------------------------------
*/
package io.deephaven.engine.table.impl.by;
import io.deephaven.chunk.attributes.Any;
import io.deephaven.util.QueryConstants;
import io.deephaven.chunk.ShortChunk;
import org.apache.commons.lang3.mutable.MutableDouble;
import org.apache.commons.lang3.mutable.MutableInt;
public class SumShortChunk {
private SumShortChunk() {} // static use only
static long sumShortChunk(ShortChunk extends Any> values, int chunkStart, int chunkSize, MutableInt nonNullCount) {
final int end = chunkStart + chunkSize;
long sum = 0;
for (int ii = chunkStart; ii < end; ++ii) {
final short value = values.get(ii);
if (value != QueryConstants.NULL_SHORT) {
sum += value;
nonNullCount.increment();
}
}
return sum;
}
public static long sumShortChunk(ShortChunk extends Any> values, int chunkStart, int chunkSize) {
final int end = chunkStart + chunkSize;
long sum = 0;
for (int ii = chunkStart; ii < end; ++ii) {
final short value = values.get(ii);
if (value != QueryConstants.NULL_SHORT) {
sum += value;
}
}
return sum;
}
/**
* Produce the sum and sum of squares of a shortacter chunk, as doubles.
*/
static double sum2ShortChunk(ShortChunk extends Any> values, int chunkStart, int chunkSize, MutableInt nonNullCount, MutableDouble sum2out) {
final int end = chunkStart + chunkSize;
double sum = 0;
double sum2 = 0;
for (int ii = chunkStart; ii < end; ++ii) {
final short value = values.get(ii);
if (value != QueryConstants.NULL_SHORT) {
//noinspection UnnecessaryLocalVariable
final double doubleValue = value;
sum += doubleValue;
sum2 += doubleValue * doubleValue;
nonNullCount.increment();
}
}
sum2out.setValue(sum2);
return sum;
}
static private short abs(short val) {
if (val == QueryConstants.NULL_SHORT) {
return val;
} else if (val < 0) {
return (short)-val;
} else {
return val;
}
}
static long sumShortChunkAbs(ShortChunk extends Any> values, int chunkStart, int chunkSize, MutableInt nonNullCount) {
final int end = chunkStart + chunkSize;
long sum = 0;
for (int ii = chunkStart; ii < end; ++ii) {
final short value = abs(values.get(ii));
if (value != QueryConstants.NULL_SHORT) {
sum += value;
nonNullCount.increment();
}
}
return sum;
}
}
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