concat method
concatenate two vectors (immutable)
Implementation
FVector concat(FVector other) {
Float32x4List newColumnData = Float32x4List((nRows + other.nRows + 3) ~/ 4);
int i;
for (i = 0; i < columnData.length; ++i) newColumnData[i] = columnData[i];
if (nRows % 4 == 0) {
for (int j = 0; j < other.columnData.length; ++j, ++i) {
newColumnData[i] = other.columnData[j];
}
} else {
if (nRows % 2 == 0) {
var intView = newColumnData.buffer.asInt64List(nRows * 4);
var otherSrcView = other.columnData.buffer.asInt64List();
for (i = 0; i < otherSrcView.length; ++i) intView[i] = otherSrcView[i];
} else {
var intView = newColumnData.buffer.asInt32List(nRows * 4);
var otherSrcView = other.columnData.buffer.asInt32List();
for (i = 0; i < otherSrcView.length; ++i) intView[i] = otherSrcView[i];
}
}
return FVector.fromBuffer(nRows + other.nRows, newColumnData);
}