c++ Programming Glossary: trap
Set all bytes of int to (unsigned char)0, guaranteed to represent zero? http://stackoverflow.com/questions/11138188/set-all-bytes-of-int-to-unsigned-char0-guaranteed-to-represent-zero values of any padding bits are unspecified. 45 A valid non trap object representation of a signed integer type where the sign.. sign bit and all value bits 1 for ones complement is a trap representation or a normal value. In the case of sign and magnitude.. can 0 for sign and magnitude and _ones' complement be a trap value in C can one of the padding bits be a parity bit i.e...
Accessing inactive union member - undefined? http://stackoverflow.com/questions/11373203/accessing-inactive-union-member-undefined sometimes called ‘type punning . This might be a trap representation. The situation with C c 11 9.5 Unions class.union..
Aliasing `T*` with `char*` is allowed. Is it also allowed the other way around? http://stackoverflow.com/questions/12612488/aliasing-t-with-char-is-allowed-is-it-also-allowed-the-other-way-around result performance overhead. On ARM it will trigger a CPU trap and your program will be terminated This is a simplified explanation...
Efficient unsigned-to-signed cast avoiding implementation-defined behavior http://stackoverflow.com/questions/13150449/efficient-unsigned-to-signed-cast-avoiding-implementation-defined-behavior bits one bit to be a sign bit and only allows one single trap representation not including representations that are invalid..
What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and benefit tradeoffs? http://stackoverflow.com/questions/1380371/what-are-the-most-widely-used-c-vector-matrix-math-linear-algebra-libraries-a come upon a need to do matrix math and fall into the trap of first building some vector classes and slowly adding in functionality..
Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub with indeterminate value allocated to a register might trap. end footnote Otherwise if the object to which the glvalue refers..
std::locale breakage on MacOS 10.6 with LANG=en_US.UTF-8 http://stackoverflow.com/questions/1745045/stdlocale-breakage-on-macos-10-6-with-lang-en-us-utf-8 what locale facet _S_create_c_locale name not valid Abort trap c cocoa osx boost share improve this question Ok I don't..
Why should I not try to use “this” value after “delete this”? http://stackoverflow.com/questions/1866461/why-should-i-not-try-to-use-this-value-after-delete-this is that the hardware could and some older machines did trap trying to load an invalid memory address into a register. Even..
Purpose of Unions in C and C++ http://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c behavior if the value read happens to be invalid so called trap representation for the type it is read through. Otherwise the..
Can an integer be NaN in C++? http://stackoverflow.com/questions/3949457/can-an-integer-be-nan-in-c 40 Some combinations of padding bits might generate trap representations for example if one padding bit is a parity bit... no arithmetic operation on valid values can generate a trap representation other than as part of an exceptional condition..
Disable CONTROL + ALT + DELETE and Windows(win) Key in Windows 7 using Win32 application http://stackoverflow.com/questions/4529577/disable-control-alt-delete-and-windowswin-key-in-windows-7-using-win32-app to have to install a low level keyboard hook that can trap these task keys. The hook must be implemented as a DLL and it.. XP. This file implements the low level keyboard hook that traps the task keys. #define _WIN32_WINNT 0x0500 for KBDLLHOOKSTRUCT.. approach is not going to work. The reason is that the OS traps the hardware interrupt generated by the SAS separately from..
Which one will execute faster, if (flag==0) or if (0==flag)? http://stackoverflow.com/questions/4624536/which-one-will-execute-faster-if-flag-0-or-if-0-flag already some caveat Nawaz did point out the user defined trap . And I regret my hastily cast upvote on stupidest question..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order of the first expression 12 . In C there is an extra trap short circuiting does NOT apply to types that overload operators..
Semi Colon after class declaration braces http://stackoverflow.com/questions/785686/semi-colon-after-class-declaration-braces change anything although a good code completion IDE might trap this before compilation. c oop class declaration semicolon..
Embed assembler to manipulate 64-bit registers in portable C++ http://stackoverflow.com/questions/7859568/embed-assembler-to-manipulate-64-bit-registers-in-portable-c
Why does changing 0.1f to 0 slow down performance by 10x? http://stackoverflow.com/questions/9314534/why-does-changing-0-1f-to-0-slow-down-performance-by-10x many processors can't handle them directly and must trap and resolve them using microcode. If you print out the numbers..
Passing unique_ptr to functions http://stackoverflow.com/questions/9699333/passing-unique-ptr-to-functions
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