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c++ Programming Glossary: negativeOpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection value of an area is used because area may be positive or negative in accordance with the contour orientation if approx.size..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer I do this conversion in C This also needs to work for non negative numbers. For example the hex string 0000000A which is 00000000000000000000000000001010..
Is there a standard sign function (signum, sgn) in C/C++? http://stackoverflow.com/questions/1903954/is-there-a-standard-sign-function-signum-sgn-in-c-c signum sgn in C C I want a function that returns 1 for negative numbers and 1 for positive numbers. http en.wikipedia.org wiki..
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 or writing to an object or array at an offset that is negative or beyond the size of that object stack heap overflow Integer.. is not mathematically defined Left shifting values by a negative amount right shifts by negative amounts are implementation defined.. Left shifting values by a negative amount right shifts by negative amounts are implementation defined Shifting values by an amount..
http://stackoverflow.com/questions/3784996/why-does-left-shift-operation-invoke-undefined-behaviour-when-the-left-side-oper invoke Undefined Behaviour when the left side operand has negative value In C bitwise left shift operation invokes Undefined Behaviour.. invokes Undefined Behaviour when the left side operand has negative value. Relevant quote from ISO C99 6.5.7 4 The result of E1.. in the result type. If E1 has a signed type and nonnegative value and E1 2 E2 is representable in the result type then that..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits does not specify the bitwise representation of signed negative numbers it has to either be twos complement and require 32 bits..
How to determine if a string is a number with C++? http://stackoverflow.com/questions/4654636/how-to-determine-if-a-string-is-a-number-with-c only works for positive integers. If you need to detect negative integers or fractions you should go with a more robust library..
Flags to enable thorough and verbose g++ warnings http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings classes. Return value optimization should take care of any negative effects of this. Wconversion triggers on this code short n 0..
“using namespace” in c++ headers http://stackoverflow.com/questions/5849457/using-namespace-in-c-headers written by new programmers that aren't aware of the negative consequences. Typically just a little education about the risks..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords of the types T1...Tn and I try to typedef an array with negative size. c templates c 11 c faq dependent name share improve..
What breaking changes are introduced in C++11? http://stackoverflow.com/questions/6399615/what-breaking-changes-are-introduced-in-c11 uses integer division rounds the result toward 0 or toward negative infinity whereas C 0x always rounds the result toward 0. admittedly..
Modulo operator with negative values http://stackoverflow.com/questions/7594508/modulo-operator-with-negative-values operator with negative values Why such operations std cout 7 3 std endl std cout 7.. b 1 7 3 2 2 3 6 so a b 1 Note that If both operands are nonnegative then the remainder is nonnegative if not the sign of the remainder.. If both operands are nonnegative then the remainder is nonnegative if not the sign of the remainder is implementation defined...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection value of an area is used because area may be positive or negative in accordance with the contour orientation if approx.size..
Why does std::regex_iterator cause a stack overflow with this data? http://stackoverflow.com/questions/12828079/why-does-stdregex-iterator-cause-a-stack-overflow-with-this-data return 0 c regex c 11 share improve this question Negative lookahead patterns which are tested on every character just..
Is there a better way to load a dll in C++? http://stackoverflow.com/questions/2060403/is-there-a-better-way-to-load-a-dll-in-c Tests factorial of negative numbers. TEST FactorialTest Negative HMODULE myDLL LoadLibrary BHannan_Sample_DLL.dll if myDLL myFactorial..
How can I write a power function myself? http://stackoverflow.com/questions/2882706/how-can-i-write-a-power-function-myself c math floating point share improve this question Negative powers are not a problem they're just the inverse 1 x of the..
http://stackoverflow.com/questions/3596622/negative-nan-is-not-a-nan NaN is not a NaN While writing some test cases and some of..
C++, Access Violation using OpenCV to get RGB value of pixel http://stackoverflow.com/questions/3851604/c-access-violation-using-opencv-to-get-rgb-value-of-pixel output R 13 G 16 B 83 R 70 G 13 B 16 R 83 G 70 B 13 Negative RGB values Is this to be expected or is even this not working...
C++, Negative RGB values of pixels using OpenCV http://stackoverflow.com/questions/3859222/c-negative-rgb-values-of-pixels-using-opencv Negative RGB values of pixels using OpenCV I'm using OpenCV to iterate..
http://stackoverflow.com/questions/4690415/negative-ascii-value ASCII value What's the point of negative ASCII values int a..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti RAII simplifies cleanup after partial construction. Negative points Negative points All problems can be solved with RAII.. cleanup after partial construction. Negative points Negative points All problems can be solved with RAII and smart pointers..
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