@Override
public Tensor<V> perform(Tensor<V> tensor) {
Shape shape = tensor.shape();
Builder<V> builder = ImmutableTensor.builder(shape.dimensionSet());
for (Position position : shape.positionSet()) {
builder.at(position).put(elementOperation.perform(tensor.get(position)));
}
return builder.build();
}
public <C extends Comparable<C>> Tensor<E> by(
Class<C> coordinateClass, Range<C> coordinateRange) {
checkNotNull(coordinateClass, "coordinateClass must not be null");
checkNotNull(coordinateRange, "coordinateRange must not be null");
ImmutableTensor.Builder<E> builder = ImmutableTensor.builder(tensor.shape().dimensionSet());
builder.setTensorContext(tensor.context());
for (Entry<Position, E> entry : tensor.asMap().entrySet()) {
if (coordinateRange.contains(entry.getKey().coordinateFor(coordinateClass))) {
builder.putAt(entry.getValue(), entry.getKey());
}
}
return builder.build();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((backingTensor == null) ? 0 : backingTensor.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
AbstractTensorbacked<?> other = (AbstractTensorbacked<?>) obj;
if (backingTensor == null) {
if (other.backingTensor != null) {
return false;
}
} else if (!backingTensor.equals(other.backingTensor)) {
return false;
}
return true;
}