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c++ Programming Glossary: promotion

How to debug heap corruption errors?

http://stackoverflow.com/questions/1010106/how-to-debug-heap-corruption-errors

to overload global operator new and delete shameless self promotion aside it lists other techniques that are helpful in tracking..

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.. to a prvalue of its underlying type. Moreover if integral promotion can be applied to its underlying type a prvalue of an unscoped.. scoped enumerations enum class and enum struct no integral promotion applies. In any way the integral promotion doesn't lead to UB..

Uses of a C++ Arithmetic Promotion Header

http://stackoverflow.com/questions/2426330/uses-of-a-c-arithmetic-promotion-header

around with a set of templates for determining the correct promotion type given two primitive types in C . The idea is that if you.. i imag T r i Other implementation stuff Generic arithmetic promotion template template class T class U struct ArithmeticPromotion.. be via trait testing etc Specialization of arithmetic promotion template template class ArithmeticPromotion long long unsigned..

Can I assume (bool)true == (int)1 for any C++ compiler?

http://stackoverflow.com/questions/2725044/can-i-assume-booltrue-int1-for-any-c-compiler

casts are redundant. In your expression true 1 Integral promotion applies and the bool value will be promoted to an int and this.. and the bool value will be promoted to an int and this promotion must yield 1. Reference 4.7 conv.integral 4 If the source type..

Signed/unsigned comparisons

http://stackoverflow.com/questions/5416414/signed-unsigned-comparisons

as expected c true I thought it was to do with background promotion but the last two seem to say otherwise. To my mind the first.. 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.. from the following set integral promotions floating point promotion integral conversions floating point conversions floating integral.. to generate type appropriate code for a floating point promotion Standard §4 to convert 42 to 42.0 . That extra code is in the..

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

do promotion rules work when the signedness on either side of a binary operator.. other shall be converted to float . Otherwise the integral promotions shall be performed on both operands. Then if either operand..