c++ Programming Glossary: multiplication

http://stackoverflow.com/questions/1123080/why-do-we-need-typename-here

of B as a pointer to it or not in which case this is a multiplication expression quite possible since A for all you can tell without..

Why is my program slow when looping over exactly 8192 elements?

http://stackoverflow.com/questions/12264970/why-is-my-program-slow-when-looping-over-exactly-8192-elements

much slower than transposing a matrix of 513x513 Matrix multiplication Small difference in matrix size large difference in timings..

Officially, what is typename for?

http://stackoverflow.com/questions/1600936/officially-what-is-typename-for

considered a static member. Thus T SubType ptr would be a multiplication of value SubType of type T with ptr. share improve this answer..

modular arithmetics and NTT (finite field DFT) optimizations

http://stackoverflow.com/questions/18577076/modular-arithmetics-and-ntt-finite-field-dft-optimizations

speedup is stunning more than 40x times now is NTT multiplication faster than karatsuba after about 1500 32bits treshold. btw..

Best way to detect integer overflow in C/C++

http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c

highestOneBitPosition b return a_bits 32 b_bits 32 For multiplication any two operands will result in at most the sum of the bits.. most the sum of the bits of the operands. For example bool multiplication_is_safe uint32_t a uint32_t b size_t a_bits highestOneBitPosition..

The best cross platform (portable) arbitrary precision math library

http://stackoverflow.com/questions/2568446/the-best-cross-platform-portable-arbitrary-precision-math-library

on the same platform. It MUST handle addition subtraction multiplication integer division remainder power increment decrement gcd factorial.. or a few digits as BCD Binary coded decimal . Booth's multiplication algorithm What I don't know Printing the binary array mentioned..

How to implement big int in C++

http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c

concern is how I would implement things like addition and multiplication. I'm looking for a general approach and advice as appose to..

C++ fixed point library? [closed]

http://stackoverflow.com/questions/2945747/c-fixed-point-library

lightweight and fast and supports some basic mathematics multiplication division inversion sin cos sqrt rsqrt . share improve this..

Floating point division vs floating point multiplication

http://stackoverflow.com/questions/4125033/floating-point-division-vs-floating-point-multiplication

point division vs floating point multiplication Is there any non microoptimization performance gain by coding.. floating point divisions were slower than floating point multiplications without elaborating the why. Does this statement hold for modern.. division to be vastly more complicated in hardware than multiplication c floating point micro optimization share improve this question..

C++ - enum vs. const vs. #define

http://stackoverflow.com/questions/4767667/c-enum-vs-const-vs-define

s error 2 int z Width s error 3 return 0 Obviously each multiplication results in compilation error but see how the GCC generates the.. error but see how the GCC generates the messages for each multiplication error prog.cpp 19 error no match for 炦perator in 𨧡Width s br..

Flags to enable thorough and verbose g++ warnings

http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings

dividing which is not safe unlike addition subtraction and multiplication . Turning on this warning allowed me to safely change most of..

Is multiplication and division using shift operators in C actually faster?

http://stackoverflow.com/questions/6357038/is-multiplication-and-division-using-shift-operators-in-c-actually-faster

multiplication and division using shift operators in C actually faster Multiplication.. can't be multiplied or divided in this way c c division multiplication bit shift operators share improve this question Short answer..

how to achieve 4 FLOPs per cycle

http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle

gcc was to manually loop unroll and arrange additions and multiplications in groups of three. With g O2 march nocona addmul_unroll.cpp.. and 6 cycles between issue to use. The latency of multiplication is 5 cycles so it's just enough to avoid latency stalls. The..