/**
* Check that the vectors are all compatible. All Vecs have their content sharded using same
* number of rows per chunk.
*/
public void checkCompatible() {
try {
Vec v0 = anyVec();
int nchunks = v0.nChunks();
for (Vec vec : vecs()) {
if (vec instanceof AppendableVec) continue; // New Vectors are endlessly compatible
if (vec.nChunks() != nchunks)
throw new IllegalArgumentException(
"Vectors different numbers of chunks, " + nchunks + " and " + vec.nChunks());
}
// Also check each chunk has same rows
for (int i = 0; i < nchunks; i++) {
long es = v0.chunk2StartElem(i);
for (Vec vec : vecs())
if (!(vec instanceof AppendableVec) && vec.chunk2StartElem(i) != es)
throw new IllegalArgumentException(
"Vector chunks different numbers of rows, "
+ es
+ " and "
+ vec.chunk2StartElem(i));
}
} catch (Throwable ex) {
Throwables.propagate(ex);
}
}
@Override
public String toString() {
// Across
Vec vecs[] = vecs();
if (vecs.length == 0) return "{}";
String s = "{" + _names[0];
long bs = vecs[0].byteSize();
for (int i = 1; i < vecs.length; i++) {
s += "," + _names[i];
bs += vecs[i].byteSize();
}
s += "}, " + PrettyPrint.bytes(bs) + "\n";
// Down
Vec v0 = anyVec();
if (v0 == null) return s;
int nc = v0.nChunks();
s += "Chunk starts: {";
for (int i = 0; i < nc; i++) s += v0.elem2BV(i)._start + ",";
s += "}";
return s;
}
