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c++ Programming Glossary: representableWhat's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters? http://stackoverflow.com/questions/11107608/whats-wrong-with-c-wchar-t-and-wstrings-what-are-some-alternatives-to-wide value whatsoever in using TCHAR. 1. Characters which are representable in wchar_t strings but which are not supported in any locale.. of wchar_t. Although it's arguable that a character being representable by wchar_t is enough to say that the locale 'supports' that..
http://stackoverflow.com/questions/12710801/c-operator-guarantees with any fractional part discarded if the quotient a b is representable in the type of the result a b b a b is equal to a. Which misses..
Understanding the difference between f() and f(void) in C and C++ once and for all [duplicate] http://stackoverflow.com/questions/13319492/understanding-the-difference-between-f-and-fvoid-in-c-and-c-once-and-for-a version of that type or vice versa as long as the value is representable in both types i.e. it is not negative and not out of range of..
A fast method to round a double to a 32-bit int explained http://stackoverflow.com/questions/17035464/a-fast-method-to-round-a-double-to-a-32-bit-int-explained 4 503 599 627 370 496 and 2 53 9 007 199 254 740 992 the representable numbers are exactly the integers This follows from the fact.. suppose we are dealing with a negative number in the range representable by a 32 bit int so less in absolute value than 2^31 1 call it..
What happens if you static_cast invalid value to enum class? http://stackoverflow.com/questions/18195312/what-happens-if-you-static-cast-invalid-value-to-enum-class is not mathematically defined or not in the range of representable values for its type the behavior is undefined. So this could..
C++: do you (really) write exception safe code? [closed] http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code is not mathematically defined or not in the range of representable values for its type the behavior is undefined. Note that unsigned..
Why is address zero used for null pointer? http://stackoverflow.com/questions/2759845/why-is-address-zero-used-for-null-pointer numbers that are just wasted. If any number is always representable by a datatype it's 0. Probably 1 is too I think of the one bit..
http://stackoverflow.com/questions/3784996/why-does-left-shift-operation-invoke-undefined-behaviour-when-the-left-side-oper is E1 2 E2 reduced modulo one more than the maximum value representable in the result type. If E1 has a signed type and nonnegative.. E1 has a signed type and nonnegative value and E1 2 E2 is representable in the result type then that is the resulting value otherwise.. is E1 2E^2 reduced modulo one more than the maximum value representable in the result type. Otherwise if E1 has a signed type and non..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits the long circuitous route to whether LONG_MIN LONG_MAX are representable by a long you have to look at 18.3.1.2 numeric.limits.members..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion a two's complement machine where the absolute value is not representable. Ideally the output should be character for character identical..
How computer does floating point arithmetic? http://stackoverflow.com/questions/6033184/how-computer-does-floating-point-arithmetic to see in our base 10 rational number world view are representable by the base 2 fraction of the format. share improve this answer..
Why comparing double and float leads to unexpected result? [duplicate] http://stackoverflow.com/questions/6722293/why-comparing-double-and-float-leads-to-unexpected-result represented as 0.1 and 0.1 can be thought of as an easily representable number. However in binary 0.1 is represented by the infinite..
How do promotion rules work when the signedness on either side of a binary operator differ? http://stackoverflow.com/questions/6770258/how-do-promotion-rules-work-when-the-signedness-on-either-side-of-a-binary-opera neg Because in this case the value of us neg is not representable by int the value of result is implementation defined &ndash..
Modulo operator with negative values http://stackoverflow.com/questions/7594508/modulo-operator-with-negative-values with any fractional part discarded if the quotient a b is representable in the type of the result a b b a b is equal to a. The rest..
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