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Diffstat (limited to 'test/unalignedassert.cpp')
| -rw-r--r-- | test/unalignedassert.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/test/unalignedassert.cpp b/test/unalignedassert.cpp deleted file mode 100644 index 731a08977..000000000 --- a/test/unalignedassert.cpp +++ /dev/null @@ -1,180 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com> -// Copyright (C) 2015 Gael Guennebaud <gael.guennebaud@inria.fr> -// -// This Source Code Form is subject to the terms of the Mozilla -// Public License v. 2.0. If a copy of the MPL was not distributed -// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. - -#if defined(EIGEN_TEST_PART_1) - // default -#elif defined(EIGEN_TEST_PART_2) - #define EIGEN_MAX_STATIC_ALIGN_BYTES 16 - #define EIGEN_MAX_ALIGN_BYTES 16 -#elif defined(EIGEN_TEST_PART_3) - #define EIGEN_MAX_STATIC_ALIGN_BYTES 32 - #define EIGEN_MAX_ALIGN_BYTES 32 -#elif defined(EIGEN_TEST_PART_4) - #define EIGEN_MAX_STATIC_ALIGN_BYTES 64 - #define EIGEN_MAX_ALIGN_BYTES 64 -#endif - -#include "main.h" - -typedef Matrix<float, 6,1> Vector6f; -typedef Matrix<float, 8,1> Vector8f; -typedef Matrix<float, 12,1> Vector12f; - -typedef Matrix<double, 5,1> Vector5d; -typedef Matrix<double, 6,1> Vector6d; -typedef Matrix<double, 7,1> Vector7d; -typedef Matrix<double, 8,1> Vector8d; -typedef Matrix<double, 9,1> Vector9d; -typedef Matrix<double,10,1> Vector10d; -typedef Matrix<double,12,1> Vector12d; - -struct TestNew1 -{ - MatrixXd m; // good: m will allocate its own array, taking care of alignment. - TestNew1() : m(20,20) {} -}; - -struct TestNew2 -{ - Matrix3d m; // good: m's size isn't a multiple of 16 bytes, so m doesn't have to be 16-byte aligned, - // 8-byte alignment is good enough here, which we'll get automatically -}; - -struct TestNew3 -{ - Vector2f m; // good: m's size isn't a multiple of 16 bytes, so m doesn't have to be 16-byte aligned -}; - -struct TestNew4 -{ - EIGEN_MAKE_ALIGNED_OPERATOR_NEW - Vector2d m; - float f; // make the struct have sizeof%16!=0 to make it a little more tricky when we allow an array of 2 such objects -}; - -struct TestNew5 -{ - EIGEN_MAKE_ALIGNED_OPERATOR_NEW - float f; // try the f at first -- the EIGEN_ALIGN_MAX attribute of m should make that still work - Matrix4f m; -}; - -struct TestNew6 -{ - Matrix<float,2,2,DontAlign> m; // good: no alignment requested - float f; -}; - -template<bool Align> struct Depends -{ - EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(Align) - Vector2d m; - float f; -}; - -template<typename T> -void check_unalignedassert_good() -{ - T *x, *y; - x = new T; - delete x; - y = new T[2]; - delete[] y; -} - -#if EIGEN_MAX_STATIC_ALIGN_BYTES>0 -template<typename T> -void construct_at_boundary(int boundary) -{ - char buf[sizeof(T)+256]; - size_t _buf = reinterpret_cast<internal::UIntPtr>(buf); - _buf += (EIGEN_MAX_ALIGN_BYTES - (_buf % EIGEN_MAX_ALIGN_BYTES)); // make 16/32/...-byte aligned - _buf += boundary; // make exact boundary-aligned - T *x = ::new(reinterpret_cast<void*>(_buf)) T; - x[0].setZero(); // just in order to silence warnings - x->~T(); -} -#endif - -void unalignedassert() -{ -#if EIGEN_MAX_STATIC_ALIGN_BYTES>0 - construct_at_boundary<Vector2f>(4); - construct_at_boundary<Vector3f>(4); - construct_at_boundary<Vector4f>(16); - construct_at_boundary<Vector6f>(4); - construct_at_boundary<Vector8f>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Vector12f>(16); - construct_at_boundary<Matrix2f>(16); - construct_at_boundary<Matrix3f>(4); - construct_at_boundary<Matrix4f>(EIGEN_MAX_ALIGN_BYTES); - - construct_at_boundary<Vector2d>(16); - construct_at_boundary<Vector3d>(4); - construct_at_boundary<Vector4d>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Vector5d>(4); - construct_at_boundary<Vector6d>(16); - construct_at_boundary<Vector7d>(4); - construct_at_boundary<Vector8d>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Vector9d>(4); - construct_at_boundary<Vector10d>(16); - construct_at_boundary<Vector12d>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Matrix2d>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Matrix3d>(4); - construct_at_boundary<Matrix4d>(EIGEN_MAX_ALIGN_BYTES); - - construct_at_boundary<Vector2cf>(16); - construct_at_boundary<Vector3cf>(4); - construct_at_boundary<Vector2cd>(EIGEN_MAX_ALIGN_BYTES); - construct_at_boundary<Vector3cd>(16); -#endif - - check_unalignedassert_good<TestNew1>(); - check_unalignedassert_good<TestNew2>(); - check_unalignedassert_good<TestNew3>(); - - check_unalignedassert_good<TestNew4>(); - check_unalignedassert_good<TestNew5>(); - check_unalignedassert_good<TestNew6>(); - check_unalignedassert_good<Depends<true> >(); - -#if EIGEN_MAX_STATIC_ALIGN_BYTES>0 - if(EIGEN_MAX_ALIGN_BYTES>=16) - { - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector4f>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector8f>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector12f>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector2d>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector4d>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector6d>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector8d>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector10d>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector12d>(8)); - // Complexes are disabled because the compiler might aggressively vectorize - // the initialization of complex coeffs to 0 before we can check for alignedness - //VERIFY_RAISES_ASSERT(construct_at_boundary<Vector2cf>(8)); - VERIFY_RAISES_ASSERT(construct_at_boundary<Vector4i>(8)); - } - for(int b=8; b<EIGEN_MAX_ALIGN_BYTES; b+=8) - { - if(b<32) VERIFY_RAISES_ASSERT(construct_at_boundary<Vector8f>(b)); - if(b<64) VERIFY_RAISES_ASSERT(construct_at_boundary<Matrix4f>(b)); - if(b<32) VERIFY_RAISES_ASSERT(construct_at_boundary<Vector4d>(b)); - if(b<32) VERIFY_RAISES_ASSERT(construct_at_boundary<Matrix2d>(b)); - if(b<128) VERIFY_RAISES_ASSERT(construct_at_boundary<Matrix4d>(b)); - //if(b<32) VERIFY_RAISES_ASSERT(construct_at_boundary<Vector2cd>(b)); - } -#endif -} - -void test_unalignedassert() -{ - CALL_SUBTEST(unalignedassert()); -} |