c++ Programming Glossary: promotions
Is char default-promoted? http://stackoverflow.com/questions/11985774/is-char-default-promoted or enumeration type that is subject to the integral promotions 4.5 or a floating point type that is subject to the floating.. is converted to the promoted type before the call. These promotions are referred to as the default argument promotions. I've separated.. These promotions are referred to as the default argument promotions. I've separated the last two sentences to give them emphasis...
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 all of the arguments get promoted using certain default promotions. Here's a fixed example void f void g char a int b float c f.. that results from the application of the default argument promotions. Answer 1 What happens at compile time in cases 1 and 2 when.. you call f the parameters get promoted using the default promotions. If the promoted types match the actual parameter types for..
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 integral type enumeration type or class type. ... Integral promotions are performed. conv.prom 4 A prvalue of an unscoped enumeration..
How does this program work? http://stackoverflow.com/questions/2377733/how-does-this-program-work after the last declared parameter. The default argument promotions are performed on trailing arguments. and from 6.5.2.2 6 If the.. has a type that does not include a prototype the integer promotions are performed on each argument and arguments that have type.. promoted to double . These are called the default argument promotions . Thanks Alok for finding this out. share improve this answer..
Unsigned and signed comparison http://stackoverflow.com/questions/3384911/unsigned-and-signed-comparison other shall be converted to float. Otherwise the integral promotions 4.5 shall be performed on both operands. 60 Then the following..
Why are C character literals ints instead of chars? http://stackoverflow.com/questions/433895/why-are-c-character-literals-ints-instead-of-chars discussion on same subject More specifically the integral promotions. In K R C it was virtually impossible to use a character value..
Signed/unsigned comparisons http://stackoverflow.com/questions/5416414/signed-unsigned-comparisons other shall be converted to float. Otherwise the integral promotions 4.5 shall be performed on both operands.54 Then if either operand..
Polymorphism in c++ http://stackoverflow.com/questions/5854581/polymorphism-in-c Zero or one conversion from the following set integral promotions floating point promotion integral conversions floating point.. operator. This can be conceptually grouped with integral promotions et al from the Standard conversions in the topic above. Implicit..
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 other shall be converted to float . Otherwise the integral promotions shall be performed on both operands. Then if either operand..
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