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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/EventCount.h
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@@ -51,7 +51,7 @@ class EventCount {
class Waiter;
EventCount(MaxSizeVector<Waiter>& waiters) : waiters_(waiters) {
eigen_assert(waiters.size() < (1 << kWaiterBits) - 1);
eigen_plain_assert(waiters.size() < (1 << kWaiterBits) - 1);
// Initialize epoch to something close to overflow to test overflow.
state_ = kStackMask | (kEpochMask - kEpochInc * waiters.size() * 2);
}
@@ -88,7 +88,7 @@ class EventCount {
// We've already been notified.
if (int64_t((state & kEpochMask) - epoch) > 0) return;
// Remove this thread from prewait counter and add it to the waiter list.
eigen_assert((state & kWaiterMask) != 0);
eigen_plain_assert((state & kWaiterMask) != 0);
uint64_t newstate = state - kWaiterInc + kEpochInc;
newstate = (newstate & ~kStackMask) | (w - &waiters_[0]);
if ((state & kStackMask) == kStackMask)
@@ -119,7 +119,7 @@ class EventCount {
// We've already been notified.
if (int64_t((state & kEpochMask) - epoch) > 0) return;
// Remove this thread from prewait counter.
eigen_assert((state & kWaiterMask) != 0);
eigen_plain_assert((state & kWaiterMask) != 0);
if (state_.compare_exchange_weak(state, state - kWaiterInc + kEpochInc,
std::memory_order_relaxed))
return;