void HMM::setEmissionPropability(array1D mean, array1D std){
assert(mean.size() >= this->stateCount);
assert(std.size() >= this->stateCount);
for (unsigned int i = 0; i < this->stateCount; i += 1){
this->setEmissionPropability(mean[i], std[i], i);
}
}
double hiddenMarkovModel::normaliseArray(array1D &arr){
double sum = 0;
for (unsigned int i = 0, end = arr.size(); i < end; i += 1){
sum += arr[i];
}
rescaleArray(arr, sum);
return sum;
};
void hiddenMarkovModel::rescaleArray(array1D &arr, double factor){
for (unsigned int i = 0, end = arr.size(); i < end; i += 1){
arr[i] /= factor;
}
};