diff options
| author |  Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2016-05-27 11:13:38 +0200 |
|---|---|---|
| committer | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2016-05-27 11:13:38 +0200 |
| commit | f2c86384f447057377ac5ae0e0261a4486862d88 (patch) | |
| tree | 198aa88a0075d837b341f1db6e929194aaf6d96b /test/geo_transformations.cpp | |
| parent | 22a035db9583a84c0b9be885e54cac847dbaa654 (diff) | |
Cleaner implementation of dont_over_optimize.
Diffstat (limited to 'test/geo_transformations.cpp')
| -rw-r--r-- | test/geo_transformations.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/test/geo_transformations.cpp b/test/geo_transformations.cpp index cc82f6607..12a9aece1 100644 --- a/test/geo_transformations.cpp +++ b/test/geo_transformations.cpp @@ -19,8 +19,9 @@ Matrix<T,2,1> angleToVec(T a) } // This permits to workaround a bug in clang/llvm code generation. +template<typename T> EIGEN_DONT_INLINE -void dont_over_optimize(void* x) { *(int*)(x) = ((*(int*)(x))&0xFFFF0000) | ((*(int*)(x))&0x0000FFFF); } +void dont_over_optimize(T& x) { volatile typename T::Scalar tmp = x(0); x(0) = tmp; } template<typename Scalar, int Mode, int Options> void non_projective_only() { @@ -228,7 +229,7 @@ template<typename Scalar, int Mode, int Options> void transformations() do { v3 = Vector3::Random(); - dont_over_optimize(&v3); + dont_over_optimize(v3); } while (v3.cwiseAbs().minCoeff()<NumTraits<Scalar>::epsilon()); Translation3 tv3(v3); Transform3 t5(tv3); |