the big memory changes. the most important changes are:

ei_aligned_malloc now really behaves like a malloc
 (untyped, doesn't call ctor)
ei_aligned_new is the typed variant calling ctor
EIGEN_MAKE_ALIGNED_OPERATOR_NEW now takes the class name as parameter
This commit is contained in:
Benoit Jacob
2009-01-08 15:20:21 +00:00
parent e2d2a7d222
commit 1d52bd4cad
21 changed files with 215 additions and 243 deletions

View File

@@ -55,15 +55,16 @@ struct Bad6
Matrix<double, 3, 4> m; // bad: same reason
};
struct Good7 : Eigen::WithAlignedOperatorNew
struct Good7
{
EIGEN_MAKE_ALIGNED_OPERATOR_NEW(Good7)
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 Good8
{
EIGEN_MAKE_ALIGNED_OPERATOR_NEW
EIGEN_MAKE_ALIGNED_OPERATOR_NEW(Good8)
float f; // try the f at first -- the EIGEN_ALIGN_128 attribute of m should make that still work
Matrix4f m;
};
@@ -76,7 +77,7 @@ struct Good9
template<bool Align> struct Depends
{
EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(Align)
EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(Depends,Align)
Vector2d m;
float f;
};
@@ -97,7 +98,7 @@ void check_unalignedassert_bad()
float buf[sizeof(T)+16];
float *unaligned = buf;
while((reinterpret_cast<size_t>(unaligned)&0xf)==0) ++unaligned; // make sure unaligned is really unaligned
T *x = new(static_cast<void*>(unaligned)) T;
T *x = ::new(static_cast<void*>(unaligned)) T;
x->~T();
}