¡@
c++ Programming Glossary: alignedWhy isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member memory into a structure so that data members are optimally aligned for better performance. Many processors perform best when fundamental..
C++ alignment when printing cout << http://stackoverflow.com/questions/2485963/c-alignment-when-printing-cout using tabs but when the words are too big they won't be aligned anymore Sales Report for September 15 2010 Artist Title Price..
iterator adapter to iterate just the values in a map? http://stackoverflow.com/questions/259240/iterator-adapter-to-iterate-just-the-values-in-a-map
http://stackoverflow.com/questions/3318410/pragma-pack-effect insert padding between members to ensure that they are aligned to appropriate addresses in memory usually a multiple of the.. associated with accessing variables that are not aligned properly. For example given 4 byte integers and the following..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used into actual data or storing data in the low bits of an aligned pointer. C casts are casts using type object or type object..
Determining the alignment of C/C++ structures in relation to its members http://stackoverflow.com/questions/364483/determining-the-alignment-of-c-c-structures-in-relation-to-its-members boost alignment_of on it the latest c draft contains std aligned_storage The value of default alignment shall be the most stringent.. size is no greater than Len so the std alignment_of std aligned_storage BigEnoughNumber value should give us the maximum alignment.. maximum alignment draft only not standard yet if ever tr1 aligned_storage does not have this property Any thoughts on this would..
When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete? http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new pointers. 0xED or Aligned Fence 'No man's land' for aligned allocations. Using a 0xBD different value here than 0xFD allows.. unsigned char _bAlignLandFill 0xED fill no man's land for aligned routines static unsigned char _bDeadLandFill 0xDD fill free..
Convert Lat/Longs to X/Y Co-ordinates http://stackoverflow.com/questions/4953150/convert-lat-longs-to-x-y-co-ordinates somewhere I'm also going to assume that your image is aligned north south for example it doesn't have north pointing towards..
Is there any guarantee of alignment of address return by C++'s new operation? http://stackoverflow.com/questions/506518/is-there-any-guarantee-of-alignment-of-address-return-by-cs-new-operation allocate bigger size of buffer than they need and use the aligned pointer as begin. I am wondering should I do that in my program.. It seems that all addresses the new operation returned are aligned. But I am not sure. So my question is are there any guarantee.. standard 3.7.3.1 2 The pointer returned shall be suitably aligned so that it can be converted to a pointer of any complete object..
Why would one replace default new and delete operators? http://stackoverflow.com/questions/7149461/why-would-one-replace-default-new-and-delete-operators at addresses that are a multiple of four i.e. be four byte aligned or that doubles must occur at addresses that are a multiple.. addresses that are a multiple of eight i.e. be eight byte aligned . Failure to follow such constraints can lead to hardware exceptions..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators further imposes ...The pointer returned shall be suitably aligned so that it can be converted to a pointer of any complete object.. or some other custom allocator should return a suitably aligned pointer to the allocated memory which can be converted to a..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops how you are allocating your arrays they are likely to be aligned to the page line . This means that all your accesses in each..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl do it. Note that the image will be centered not left aligned as on your image but that can be fixed pretty easily. EDIT Here..
|