/**
* Resets the tree values and state. All the values are set to Integer.MAX_VALUE and the states to
* 0.
*/
public void reset() {
int k;
// Set all values to Integer.MAX_VALUE
// and states to 0
for (k = lvls - 1; k >= 0; k--) {
ArrayUtil.intArraySet(treeV[k], Integer.MAX_VALUE);
ArrayUtil.intArraySet(treeS[k], 0);
}
// Invalidate saved tree
saved = false;
}
/**
* Creates a tag tree encoder with 'w' elements along the horizontal dimension and 'h' elements
* along the vertical direction. The total number of elements is thus 'vdim' x 'hdim'.
*
* <p>The values of all elements are initialized to Integer.MAX_VALUE.
*
* @param h The number of elements along the horizontal direction.
* @param w The number of elements along the vertical direction.
*/
public TagTreeEncoder(int h, int w) {
int k;
// Check arguments
if (w < 0 || h < 0) {
throw new IllegalArgumentException();
}
// Initialize elements
init(w, h);
// Set values to max
for (k = treeV.length - 1; k >= 0; k--) {
ArrayUtil.intArraySet(treeV[k], Integer.MAX_VALUE);
}
}
/**
* Resets the tree values and state. The values are set to the values in 'val'. The states are all
* set to 0.
*
* @param val The new values for the leafs, in lexicographical order.
*/
public void reset(int val[]) {
int k;
// Set values for leaf level
for (k = w * h - 1; k >= 0; k--) {
treeV[0][k] = val[k];
}
// Calculate values at other levels
recalcTreeV();
// Set all states to 0
for (k = lvls - 1; k >= 0; k--) {
ArrayUtil.intArraySet(treeS[k], 0);
}
// Invalidate saved tree
saved = false;
}
