func PermanenceMapFromBits(bits data.Bitset) (pm *PermanenceMap) {
pm = NewPermanenceMap(bits.Len())
bits.Foreach(func(k int) {
pm.permanence[k] = pm.config.Initial
})
if pm.config.Initial > pm.config.Threshold {
pm.synapses.Or(bits)
}
return pm
}
func (l *Region) FeedBack(output data.Bitset) *data.Bitset {
dest := data.NewBitset(l.InputLength)
output.Foreach(func(cellId int) {
col := l.columns[cellId/l.Height()]
cell := cellId % l.Height()
if !col.Distal(cell).HasActiveSegment(output, l.MinimumInputOverlap) {
// Not a predicted cell, must be active from fast-forward.
dest.Or(col.Connected())
}
})
return dest
}