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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h"
#include <ext/malloc_allocator.h>
// test compilation with both a struct and a class...
struct MyStruct : WithAlignedOperatorNew
{
char dummychar;
Vector4f avec;
};
class MyClassA : public WithAlignedOperatorNew
{
public:
char dummychar;
Vector4f avec;
};
// ..as well as with some other base classes
class MyBaseClass
{
public:
char dummychar;
float afloat;
};
class MyClassB : public WithAlignedOperatorNew, public MyBaseClass
{
public:
char dummychar;
Vector4f avec;
};
class MyClassC : public MyBaseClass, public WithAlignedOperatorNew
{
public:
char dummychar;
Vector4f avec;
};
template<typename T> void check_dynaligned()
{
T* obj = new T;
VERIFY(size_t(obj)%16==0);
delete obj;
}
void test_dynalloc()
{
#ifdef EIGEN_VECTORIZE
for (int i=0; i<g_repeat*100; ++i)
{
CALL_SUBTEST( check_dynaligned<Vector4f>() );
CALL_SUBTEST( check_dynaligned<Vector2d>() );
CALL_SUBTEST( check_dynaligned<Matrix4f>() );
CALL_SUBTEST( check_dynaligned<Vector4d>() );
CALL_SUBTEST( check_dynaligned<Vector4i>() );
}
// check static allocation, who knows ?
{
MyStruct foo0; VERIFY(size_t(foo0.avec.data())%16==0);
MyClassA fooA; VERIFY(size_t(fooA.avec.data())%16==0);
MyClassB fooB; VERIFY(size_t(fooB.avec.data())%16==0);
MyClassC fooC; VERIFY(size_t(fooC.avec.data())%16==0);
}
// dynamic allocation, single object
for (int i=0; i<g_repeat*100; ++i)
{
MyStruct *foo0 = new MyStruct(); VERIFY(size_t(foo0->avec.data())%16==0);
MyClassA *fooA = new MyClassA(); VERIFY(size_t(fooA->avec.data())%16==0);
MyClassB *fooB = new MyClassB(); VERIFY(size_t(fooB->avec.data())%16==0);
MyClassC *fooC = new MyClassC(); VERIFY(size_t(fooC->avec.data())%16==0);
delete foo0;
delete fooA;
delete fooB;
delete fooC;
}
// dynamic allocation, array
const int N = 10;
for (int i=0; i<g_repeat*100; ++i)
{
MyStruct *foo0 = new MyStruct[N]; VERIFY(size_t(foo0->avec.data())%16==0);
MyClassA *fooA = new MyClassA[N]; VERIFY(size_t(fooA->avec.data())%16==0);
MyClassB *fooB = new MyClassB[N]; VERIFY(size_t(fooB->avec.data())%16==0);
MyClassC *fooC = new MyClassC[N]; VERIFY(size_t(fooC->avec.data())%16==0);
delete[] foo0;
delete[] fooA;
delete[] fooB;
delete[] fooC;
}
// std::vector
for (int i=0; i<g_repeat*100; ++i)
{
std::vector<Vector4f, ei_new_allocator<Vector4f> > vecs(N);
for (int j=0; j<N; ++j)
{
VERIFY(size_t(vecs[j].data())%16==0);
}
std::vector<MyStruct,ei_new_allocator<MyStruct> > foos(N);
for (int j=0; j<N; ++j)
{
VERIFY(size_t(foos[j].avec.data())%16==0);
}
}
#endif // EIGEN_VECTORIZE
}
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