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c++ Programming Glossary: signedHow do I convert between big-endian and little-endian values in C++? http://stackoverflow.com/questions/105252/how-do-i-convert-between-big-endian-and-little-endian-values-in-c and call the following functions For 16 bit numbers unsigned short _byteswap_ushort unsigned short value For 32 bit numbers.. For 16 bit numbers unsigned short _byteswap_ushort unsigned short value For 32 bit numbers unsigned long _byteswap_ulong.. _byteswap_ushort unsigned short value For 32 bit numbers unsigned long _byteswap_ulong unsigned long value For 64 bit numbers..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer convert hex string to signed integer I want to convert a hex string to a 32 bit signed integer.. signed integer I want to convert a hex string to a 32 bit signed integer in C . So for example I have the hex string fffefffe.. of this is 11111111111111101111111111111110. The signed integer representation of this is 65538. How do I do this conversion..
Does the size of an int depend on the compiler and/or processor? http://stackoverflow.com/questions/2331751/does-the-size-of-an-int-depend-on-the-compiler-and-or-processor free to implement int as a 71 bit 1's complement signed integral type that occupies 128 bits of memory using the other..
What is the bit size of long on 64-bit Windows? http://stackoverflow.com/questions/384502/what-is-the-bit-size-of-long-on-64-bit-windows What should I use Should I define something like uw sw un signed width as a long if not on Windows and otherwise do a check on.. when the types are available on the platform provides in signed listed and unsigned not listed prefix with 'u' int8_t 8 bit.. available on the platform provides in signed listed and unsigned not listed prefix with 'u' int8_t 8 bit integers int16_t 16..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion Provide code for at conversion of at least 32 bit signed and unsigned integers into decimal. Produce output as a std.. code for at conversion of at least 32 bit signed and unsigned integers into decimal. Produce output as a std string . No tricks.. int n std string s if n 0 s 0 return s int sign n 0 unsigned int val n^sign sign int size if val 10000 if val 10000000 ..
http://stackoverflow.com/questions/589575/size-of-int-long-etc name . Minimum ranges required by the standard page 22 are signed char 127 to 127 note not 128 to 127 this accommodates 1's complement.. 128 to 127 this accommodates 1's complement platforms unsigned char 0 to 255 plain char 127 to 127 or 0 to 255 depends on default.. plain char 127 to 127 or 0 to 255 depends on default char signedness signed short 32767 to 32767 unsigned short 0 to 65535 signed..
What breaking changes are introduced in C++11? http://stackoverflow.com/questions/6399615/what-breaking-changes-are-introduced-in-c11 than can be represented by long could change from an unsigned integer type to signed long long. Valid C 2003 code that uses.. by long could change from an unsigned integer type to signed long long. Valid C 2003 code that uses integer division rounds..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope into my room later you are required to stop me. Rather you signed a contract with them that said I promise not to sneak back into.. take the address of a local but the language is cleverly designed so that it is impossible to use it after the lifetime of the..
Exotic architectures the standards committees care about http://stackoverflow.com/questions/6971886/exotic-architectures-the-standards-committees-care-about know of any architectures used today where CHAR_BIT 8 signed is not two's complement I heard Java had problems with this..
http://stackoverflow.com/questions/75191/what-is-an-unsigned-char is an unsigned char In C C what is an unsigned char used for How is this different.. is an unsigned char In C C what is an unsigned char used for How is this different from a regular char c c.. In C there are three distinct character types char signed char unsigned char If you are using character types for text..
Signed vs. unsigned integers for lengths/counts http://stackoverflow.com/questions/10040884/signed-vs-unsigned-integers-for-lengths-counts vs. unsigned integers for lengths counts For representing a..
http://stackoverflow.com/questions/15729765/why-does-the-output-of-applied-on-a-negative-number-is-filled-with-ones-on-th Arithmetic Shift with two's complement numbers Operator as Signed right shift or arithmetic right shift shift all the bits to.. three zeros are due to sign bit. So this is what operator Signed right shift do and preserves the sign of left operand. share..
http://stackoverflow.com/questions/17139974/convert-raw-pcm-to-flac handle params SND_PCM_ACCESS_RW_INTERLEAVED Signed 16 bit little endian format snd_pcm_hw_params_set_format handle..
C++: do you (really) write exception safe code? [closed] http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code NOT exception safe and in fact may technically invoke UB Signed overflow is UB C 11 5 4 If during the evaluation of an expression..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab size of that object stack heap overflow Integer Overflows Signed integer overflow Evaluating an expression that is not mathematically..
Allowing signed integer overflows in C/C++ http://stackoverflow.com/questions/4240748/allowing-signed-integer-overflows-in-c-c 27. c c integer overflow share improve this question Signed overflow is undefined in C and that's for real . One solution..
http://stackoverflow.com/questions/5416414/signed-unsigned-comparisons unsigned comparisons I'm trying to understand why the following..
Why does integer overflow on x86 with GCC cause an infinite loop? http://stackoverflow.com/questions/7682477/why-does-integer-overflow-on-x86-with-gcc-cause-an-infinite-loop i endl while i 0 cout c endl return 0 So here's the deal Signed integer overflow is technically undefined behavior. But GCC..
c++ only: unary minus for 0x80000000 http://stackoverflow.com/questions/9476036/c-only-unary-minus-for-0x80000000 lawyer unary operator share improve this question Signed integral types obey the rules of mathematical integers without..
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