Update QuaternionTests.hpp

fix compilation of latest on windows????

CMakeLists.txt

@@ -34,7 +34,7 @@ set_target_properties(J3ML PROPERTIES LINKER_LANGUAGE CXX)
 
 CPMAddPackage(
         NAME jtest
-        URL https://git.redacted.cc/josh/jtest/archive/Prerelease-4.zip
+        URL https://git.redacted.cc/josh/jtest/archive/Prerelease-5.zip
 )
 
 target_include_directories(J3ML PUBLIC ${jtest_SOURCE_DIR}/include)

tests/LinearAlgebra/QuaternionTests.hpp

@@ -1,4 +1,6 @@
+#pragma once
 
+#include <cmath>
 #include <J3ML/LinearAlgebra/Quaternion.h>
 
 using namespace J3ML::LinearAlgebra;
@@ -57,6 +59,7 @@ int QuaternionTests()
 
             Quaternion correct = PreciseSlerp(q, q2, t);
             Quaternion fast = q.Slerp(q2, t);
+
             magnitudeError = std::max(magnitudeError, std::abs(1.f - fast.LengthSquared()));
             Quaternion lerp = q.Lerp(q2, t);
         }