bit-shift

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CUDA int4 bitwise operations

I was wondering is there any availab开发者_StackOverflow中文版le bitwise operations for CUDA\'s vector types like int4/int2? I see lot of aux functions in cutil_math.h, but no any bit (left/right shif[详细]

2023-02-09 05:36 分类：问答
Bit shifts in c++

I don\'t understand why this gives me the same answer: long long a = 3265917058 >> 24; std::cout << a << std::endl; //194[详细]

2023-02-05 23:18 分类：问答
Way to represent a top 10 list with tie breakers as a single numerical value

I have a top 10 list with a score (highest score wins) and a timestamp. The timestamp is used in the case of a tie score, in which case the tied score with the lowest timestamp wins (first person to[详细]

2023-01-31 08:51 分类：问答
What is the most efficient way to enumerate vertices of k dimensional hypercube in C++?

Basic Question:I have a k dimensional box.I have a vector of upper bounds and lower bounds.What is the most efficient way to enumerate the coordinates of the vertices?[详细]

2023-01-29 08:55 分类：问答
warning: left shift count >= width of type

I\'m very new to dealing with bits and have got stuck 开发者_高级运维on the following warning when compiling:[详细]

2023-01-25 05:46 分类：问答
What is 0xFF and why is it shifted 24 times?

#define SwapByte4(ldat开发者_Go百科a) \\ (((ldata & 0x000000FF) << 24) | \\ ((ldata & 0x0000FF00) << 8) | \\[详细]

2023-01-22 10:55 分类：问答
Unexpected Outputs in Left Shift Operation...?

I read that Left shift e1<<e2 is equivalent to e1* 2e2. But for the code: x=5; printf(\"%d\",x<<3);[详细]

2023-01-21 11:48 分类：问答
Why use the Bitwise-Shift operator for values in a C enum definition?

Apple sometimes uses the Bitwise-Shift operator in their enum definitions. For example, in the CGDirectDisplay.h file which is part of Core Graphics:[详细]

2023-01-21 04:47 分类：问答
Arithmetic bit-shift on a signed integer

I am trying to figure out how exactly arithmetic bit-shift operators work in C, and how it will affect signed 32-bit integers.[详细]

2023-01-21 00:13 分类：问答
Assembly language to C

So I have the following assembly language code which I need to convert into C. I am confused on a few lines of the code.[详细]

2023-01-20 23:34 分类：问答