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c++ Programming Glossary: arithmetichttp://stackoverflow.com/questions/114180/pointer-vs-reference My rule of thumb is Use pointers if you want to do arithmetic with them or if you ever have to pass a NULL pointer. Use references..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison values are less than 1. Also if you basically have int arithmetic in doubles here we use doubles to hold int values in certain.. we use doubles to hold int values in certain cases your arithmetic will be correct. For example 4.0 2.0 will be the same as 1.0..
How to print function pointers with cout? http://stackoverflow.com/questions/2064692/how-to-print-function-pointers-with-cout Standard specifies 4.12 Boolean conversions 1 An rvalue of arithmetic enumeration pointer or pointer to member type can be converted..
Floating point vs integer calculations on modern hardware http://stackoverflow.com/questions/2550281/floating-point-vs-integer-calculations-on-modern-hardware This can greatly speed up single precision floating point arithmetic as the same operation can be performed on multiple data at once..
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 has not yet been definitely initialized Performing pointer arithmetic that yields a result outside the boundaries either above or..
How to convert a single char into an int http://stackoverflow.com/questions/439573/how-to-convert-a-single-char-into-an-int you don't even need to know that '0' is 48 also you can do arithmetic with chars there really just small ints under the covers . ...
http://stackoverflow.com/questions/4421706/operator-overloading advised NEVER to define them. Arithmetic Operators Unary arithmetic operators The unary increment and decrement operators come in.. increment unless postfix is explicitly needed. Binary arithmetic operators For the binary arithmetic operators do not forget.. needed. Binary arithmetic operators For the binary arithmetic operators do not forget to obey the third basic rule operator..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c and you should familiarize yourself with both. Pointer arithmetic Given a pointer p to the first element of an array the expression..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available shared_ptr but improved to include aliasing and pointer arithmetic as well. In short it wraps a reference counted smart pointer..
http://stackoverflow.com/questions/5416414/signed-unsigned-comparisons Expressions Many binary operators that expect operands of arithmetic or enumeration type cause conversions and yield result types.. the type of the result. This pattern is called the usual arithmetic conversions which are defined as follows If either operand..
C/C++ Free alternative to Lint? [closed] http://stackoverflow.com/questions/632057/c-c-free-alternative-to-lint Unsigned division result may be wrong Unusual pointer arithmetic Returning pointer to local array variable Same iterator is used..
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 undefined behavior. But GCC on x86 implements integer arithmetic using x86 integer instructions which wrap on overflow. Therefore.. I misunderstand something about how GCC handles integer arithmetic I'm tagging this C as well because I assume this bug will reproduce..
Evaluating arithmetic expressions in C++ http://stackoverflow.com/questions/9329406/evaluating-arithmetic-expressions-in-c arithmetic expressions in C I'm searching for a simple way to evaluate..
Building GMP library with Visual Studio? http://stackoverflow.com/questions/1017058/building-gmp-library-with-visual-studio there an easy way to build the GMP GNU Multiple Precision Arithmetic Library http gmplib.org under Windows using Visual Studio 2005..
http://stackoverflow.com/questions/1074474/should-i-use-double-or-float Every Computer Scientist Should Know About Floating Point Arithmetic . In short although double give higher precision in its representation..
Why is this a floating point exception? http://stackoverflow.com/questions/1081250/why-is-this-a-floating-point-exception GDB is a bit clearer about this and calls it Arithmetic exception gdb run Starting program home emil float Program received.. program home emil float Program received signal SIGFPE Arithmetic exception. 0x0804837d in main at float.c 4 4 int c a b share..
http://stackoverflow.com/questions/11985774/is-char-default-promoted The 'integer promotions' are defined in §6.3.1.1 §6.3.1 Arithmetic operands §6.3.1.1 Boolean characters and integers ¶1 Every integer..
http://stackoverflow.com/questions/12988099/big-numbers-library-in-c share improve this question The GNU Multiple Precision Arithmetic Library does what you want http gmplib.org Gnu MP is a C library..
Precise floating-point<->string conversion http://stackoverflow.com/questions/1311242/precise-floating-point-string-conversion Every Computer Scientist Should Know About Floating Point Arithmetic It often puzzles people that 1.14 0.20 1.34 can yield false...
Efficient unsigned-to-signed cast avoiding implementation-defined behavior http://stackoverflow.com/questions/13150449/efficient-unsigned-to-signed-cast-avoiding-implementation-defined-behavior 32767 INT_MIN equals 2 32 32768 UINT_MAX equals 2 32 1 Arithmetic on int is modulo 2 32 into the range INT_MIN through INT_MAX..
Floating point comparison revisited http://stackoverflow.com/questions/13940316/floating-point-comparison-revisited Every Computer Scientist Should Know About Floating Point Arithmetic and this nice answer . As I understand it on a typical system..
What are the differences between concepts and template constraints? http://stackoverflow.com/questions/15669592/what-are-the-differences-between-concepts-and-template-constraints there is a with left and right operands of the given types Arithmetic T Checks whether the type is an arithmetic type. Floating_point..
Uses of a C++ Arithmetic Promotion Header http://stackoverflow.com/questions/2426330/uses-of-a-c-arithmetic-promotion-header of a C Arithmetic Promotion Header I've been playing around with a set of templates.. promotion template template class T class U struct ArithmeticPromotion typedef typename X type I realize this is incorrect.. of arithmetic promotion template template class ArithmeticPromotion long long unsigned long typedef typename unsigned long..
Which variables should I typecast when doing math operations in C/C++? http://stackoverflow.com/questions/245740/which-variables-should-i-typecast-when-doing-math-operations-in-c-c 2 How the compiler works Five rules of thumb to remember Arithmetic operations are always performed on values of the same type...
Unsequenced value computations (a.k.a sequence points) http://stackoverflow.com/questions/3852768/unsequenced-value-computations-a-k-a-sequence-points argument expressions are unsequenced. ”end note 3.9 9 Arithmetic types 3.9.1 enumeration types pointer types pointer to member..
http://stackoverflow.com/questions/4421706/operator-overloading Operators Function call operator Comparison operators Arithmetic Operators Array Subscription Operators for Pointer like Types.. on it Therefore it is highly advised NEVER to define them. Arithmetic Operators Unary arithmetic operators The unary increment and..
std::map default value for build-in type http://stackoverflow.com/questions/4523959/stdmap-default-value-for-build-in-type is set to the value 0 zero converted to T Scalar types are Arithmetic types integer floating point Enumeration types Pointer types..
Is there an alternative to using % (modulus) in C/C++? http://stackoverflow.com/questions/48053/is-there-an-alternative-to-using-modulus-in-c-c is a small branch of number theory devoted to Modular Arithmetic which requires study if you really want to understand how to..
Can't C++ POD type have any constructor? http://stackoverflow.com/questions/5442717/cant-c-pod-type-have-any-constructor are however other types of POD. The section §3.9 10 says Arithmetic types 3.9.1 enumeration types pointer types and pointer to member..
How to Log Stack Frames with Windows x64 http://stackoverflow.com/questions/590160/how-to-log-stack-frames-with-windows-x64 into the logfile. I tried several ways Trial 1 Pointer Arithmetic CONTEXT Context RtlCaptureContext Context char eNextBP char..
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