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actually honor EIGEN_STACK_ALLOCATION.

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Can set it to 0 to disable stack alloc which guarantees that bad alloc throws exceptions if they are enabled.
This commit is contained in:
Benoit Jacob 2008-12-16 15:44:48 +00:00
parent 38b83b4157
commit 2110cca431
2 changed files with 9 additions and 4 deletions
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4
Eigen/src/Core/util/Macros.h
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@ -116,6 +116,10 @@ using Eigen::ei_cos;
#define EIGEN_RESTRICT __restrict
#ifndef EIGEN_STACK_ALLOCATION_LIMIT
#define EIGEN_STACK_ALLOCATION_LIMIT 16000000
#endif
#ifndef EIGEN_DEFAULT_IO_FORMAT
#define EIGEN_DEFAULT_IO_FORMAT Eigen::IOFormat()
#endif

9
Eigen/src/Core/util/Memory.h
View File

@ -143,11 +143,12 @@ inline static int ei_alignmentOffset(const Scalar* ptr, int maxOffset)
* \endcode
*/
#ifdef __linux__
# define ei_alloc_stack(TYPE,SIZE) ((sizeof(TYPE)*(SIZE)>16000000) ? new TYPE[SIZE] : (TYPE*)alloca(sizeof(TYPE)*(SIZE)))
# define ei_free_stack(PTR,TYPE,SIZE) if (sizeof(TYPE)*SIZE>16000000) delete[] PTR
#define ei_alloc_stack(TYPE,SIZE) ((sizeof(TYPE)*(SIZE)>EIGEN_STACK_ALLOCATION_LIMIT) ? \
new TYPE[SIZE] : (TYPE*)alloca(sizeof(TYPE)*(SIZE)))
#define ei_free_stack(PTR,TYPE,SIZE) if (sizeof(TYPE)*SIZE>EIGEN_STACK_ALLOCATION_LIMIT) delete[] PTR
#else
# define ei_alloc_stack(TYPE,SIZE) new TYPE[SIZE]
# define ei_free_stack(PTR,TYPE,SIZE) delete[] PTR
#define ei_alloc_stack(TYPE,SIZE) new TYPE[SIZE]
#define ei_free_stack(PTR,TYPE,SIZE) delete[] PTR
#endif
/** \class WithAlignedOperatorNew