c++ Programming Glossary: precision
How do I convert between big-endian and little-endian values in C++? http://stackoverflow.com/questions/105252/how-do-i-convert-between-big-endian-and-little-endian-values-in-c C EDIT For clarity I have to translate binary data double precision floating point values and 32 bit and 64 bit integers from one..
Which iomanip manipulators are 'sticky'? http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky than a stream setiosflags resetiosflags setbase setfill setprecision setw This is a common technique to apply an operation to only.. resetiosflags Sticky setbase Sticky setfill Sticky setprecision Sticky All the other manipulators return a stream object. Thus.. Here we temporariy set formating to fixed with a precision of 10. After the next value is printed we return the stream..
strange output in comparison of float with float literal http://stackoverflow.com/questions/1839422/strange-output-in-comparison-of-float-with-float-literal not equal Why does this happen c c floating point double precision share improve this question This happens because in your..
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 with zero can maintain the machine's internal high precision representation e.g. 80 bit on x87 and avoid a premature round..
Difference between float and double http://stackoverflow.com/questions/2386772/difference-between-float-and-double I know I've read about the difference between double precision and single precision etc. But they should give the same results.. about the difference between double precision and single precision etc. But they should give the same results on most cases right.. Why What is the difference c c floating point double precision share improve this question Huge difference. As the name..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds I wish to get the same in nano seconds and with more precision. c c timer share improve this question What others have..
How do I print a double value with full precision using cout? http://stackoverflow.com/questions/554063/how-do-i-print-a-double-value-with-full-precision-using-cout do I print a double value with full precision using cout So I've gotten the answer to my last question I.. it. How can I make cout print a double using full precision c floating point precision iostream cout share improve this.. cout print a double using full precision c floating point precision iostream cout share improve this question You can set the..
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly http://stackoverflow.com/questions/588307/c-obtaining-milliseconds-time-on-linux-clock-doesnt-seem-to-work-properl box I'm working on it rounds it to the nearest 1000 so the precision is only to the second level and not to the milliseconds level...
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle peak performance of 4 floating point operations double precision per cycle be achieved on a modern x86 64 Intel cpu As far as..
Why does changing 0.1f to 0 slow down performance by 10x? http://stackoverflow.com/questions/9314534/why-does-changing-0-1f-to-0-slow-down-performance-by-10x This means that rather than using these weird lower precision almost zero values we just round to zero instead. Timings Core..
Extended Precision Floating Point Library C/C++ http://stackoverflow.com/questions/10156002/extended-precision-floating-point-library-c-c Precision Floating Point Library C C I am looking for an extended precision..
Building GMP library with Visual Studio? http://stackoverflow.com/questions/1017058/building-gmp-library-with-visual-studio Studio Is there an easy way to build the GMP GNU Multiple Precision Arithmetic Library http gmplib.org under Windows using Visual..
Handling large numbers in C++? http://stackoverflow.com/questions/117429/handling-large-numbers-in-c It sounds like you're looking for a way to enter Arbitrary Precision numbers. here are two libraries you could use GMP and MAPM ..
Precision loss with double C++ http://stackoverflow.com/questions/12096852/precision-loss-with-double-c loss with double C I'm developing a C application which runs..
Big numbers library in c++ 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..
Precision of multiplication by 1.0 and int to float conversion http://stackoverflow.com/questions/13400742/precision-of-multiplication-by-1-0-and-int-to-float-conversion of multiplication by 1.0 and int to float conversion Is it..
How to handle big numbers? http://stackoverflow.com/questions/18458424/how-to-handle-big-numbers a library that handles big numbers like The GNU Multiple Precision Arithmetic Library which seems to be the most common. Or if..
The best cross platform (portable) arbitrary precision math library http://stackoverflow.com/questions/2568446/the-best-cross-platform-portable-arbitrary-precision-math-library good. The article Binary to Decimal Conversion in Limited Precision by Douglas W. Jones is an example of a good article. Any help...
Using * Width & Precision Specifiers With boost::format http://stackoverflow.com/questions/2978096/using-width-precision-specifiers-with-boostformat Width Precision Specifiers With boost format I am trying to use width and precision..
C++ Precision: String to Double http://stackoverflow.com/questions/3202761/c-precision-string-to-double Precision String to Double I am having a problem with precision of a..
Algorithm to cover maximal number of points with one circle of given radius http://stackoverflow.com/questions/3229459/algorithm-to-cover-maximal-number-of-points-with-one-circle-of-given-radius such positions so the algorithm should return one of them. Precision is not important and the algorithm may do small mistakes. Here..
C++ Logging and performance tuning library http://stackoverflow.com/questions/4727006/c-logging-and-performance-tuning-library Use it as such. Here's a sample output of my class Timer Precision 385 ns Item Trials Ttl Time Avg Time Mean Time StdDev DB Connect.. No trials r n std string ret boost format r n r nTimer Precision s r n r n format_elapsed 1.0 double TimerFreq .str get a list..
Why comparing double and float leads to unexpected result? [duplicate] http://stackoverflow.com/questions/6722293/why-comparing-double-and-float-leads-to-unexpected-result under consideration with float or double numbers are Precision Rounding Precision The precision of a floating point number.. with float or double numbers are Precision Rounding Precision The precision of a floating point number is how many digits..
Emulate “double” using 2 “float”s http://stackoverflow.com/questions/6769881/emulate-double-using-2-floats papers df64_qf128.pdf Andrew Thall Extended Precision Floating Point Numbers for GPU Computation. share improve this..
C++ double precision and rounding off http://stackoverflow.com/questions/6875007/c-double-precision-and-rounding-off rounding double precision share improve this question Precision is one thing rounded for display is quite another. I think this..
Windows 7 timing functions - How to use GetSystemTimeAdjustment correctly? http://stackoverflow.com/questions/7685762/windows-7-timing-functions-how-to-use-getsystemtimeadjustment-correctly larger numbers newer systems particulary when HPET High Precision Event Timer or constant invariant TSC are supported may return..
How to check dependencies of floats http://stackoverflow.com/questions/9136860/how-to-check-dependencies-of-floats accuracy inverse share improve this question The Float Precision Problem You have two problems here but both come from the same..
|