Fix animation portability checks

src/modules/animation/AnimParallelInternal.h

@@ -28,12 +28,16 @@ int parallelAnimationItems(std::size_t count, int requested, Body&& body) {
             }
         }
     };
-    {
-        std::vector<std::jthread> threads;
-        threads.reserve(workers - 1);
+    std::vector<std::thread> threads;
+    threads.reserve(workers - 1);
+    try {
         for (std::size_t i = 1; i < workers; ++i) threads.emplace_back(run);
-        run();
+    } catch (...) {
+        for (auto& thread : threads) thread.join();
+        throw;
     }
+    run();
+    for (auto& thread : threads) thread.join();
     // Report the first failing input, independent of completion order.
     for (const auto& error : errors)
         if (error) std::rethrow_exception(error);

test/animation_two_bone_precision.cpp

@@ -38,8 +38,8 @@ TEST_CASE("animation.pose.twoBoneIkReachesTargetsWithoutIteration") {
         REQUIRE(pose.solveTwoBoneIK(&skeleton, 0, 1, 2, target[0], target[1], target[2], 1));
         float       error = 0;
         const auto& p     = pose.world(2);
-        error =
-            std::sqrt(std::pow(p.px - target[0], 2) + std::pow(p.py - target[1], 2) + std::pow(p.pz - target[2], 2));
+        error = std::sqrt(std::pow(p.px - target[0], 2.f) + std::pow(p.py - target[1], 2.f) +
+                          std::pow(p.pz - target[2], 2.f));
         CHECK(error < .0003f);
         const auto before = pose.world(1);
         REQUIRE(pose.solveTwoBoneIK(&skeleton, 0, 1, 2, target[0], target[1], target[2], 1));