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A few small fixes to a) prevent throwing in ctors and dtors of the threading code, and b) supporting matrix exponential on platforms with 113 bits of mantissa for long doubles.

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This commit is contained in:
Rasmus Munk Larsen
2018-11-09 14:15:32 -08:00
parent 784a3f13cf
commit 93f9988a7e
5 changed files with 23 additions and 23 deletions
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6
unsupported/Eigen/CXX11/src/ThreadPool/Barrier.h
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@@ -18,18 +18,18 @@ namespace Eigen {
class Barrier {
public:
Barrier(unsigned int count) : state_(count << 1), notified_(false) {
eigen_assert(((count << 1) >> 1) == count);
eigen_plain_assert(((count << 1) >> 1) == count);
}
~Barrier() { eigen_plain_assert((state_ >> 1) == 0); }
void Notify() {
unsigned int v = state_.fetch_sub(2, std::memory_order_acq_rel) - 2;
if (v != 1) {
eigen_assert(((v + 2) & ~1) != 0);
eigen_plain_assert(((v + 2) & ~1) != 0);
return; // either count has not dropped to 0, or waiter is not waiting
}
std::unique_lock<std::mutex> l(mu_);
eigen_assert(!notified_);
eigen_plain_assert(!notified_);
notified_ = true;
cv_.notify_all();
}