// only need to accumulate blocks within number of circuit inputs
// returns true if At is modified, false otherwise
bool accumVector(BlockVector<T>& At) {
const auto limit = std::min(At.stopIndex(), m_vec.size());
if (At.startIndex() >= limit) {
return false;
} else {
for (std::size_t i = At.startIndex(); i < limit; ++i) {
m_vec[i] = At[3 + i] * m_random_rA;
#ifdef USE_ASSERT
assert(! m_vec[i].isZero());
#endif
At[3 + i] = T::zero();
}
return true;
}
}
// must accumulate all blocks
void accumVector(const BlockVector<T>& At,
const BlockVector<T>& Bt,
const BlockVector<T>& Ct) {
#ifdef USE_ASSERT
assert(At.space() == Bt.space() &&
Bt.space() == Ct.space() &&
At.block() == Bt.block() &&
Bt.block() == Ct.block());
#endif
for (std::size_t i = At.startIndex(); i < At.stopIndex(); ++i) {
m_vec[i] =
m_random_beta_rA * At[i] +
m_random_beta_rB * Bt[i] +
m_random_beta_rC * Ct[i];
}
}