128-bit

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Fixed size integers with gmp...?

I\'ve been trying for days to install GMP library under MINGW. I have been using for weeks __uint128_t with gcc under a linux64 bit environment, then ported the same prog开发者_Go百科ram under GMP and[详细]

2023-03-31 22:48 分类：问答
How to use Gcc 4.6.0 libquadmath and __float128 on x86 and x86_64

I have medium size C99 program which uses long double type (80bit) for floating-point computation. I want to improve precision with new GCC 4.6 extension __float128. As I get, it is a software-emulate[详细]

2023-03-15 04:00 分类：问答
128 bit integer with c on windows?

Is there any c compiler on windows able to use 128 bit integers natively? On example, you can use gcc on linu开发者_Python百科x, with __uint128_t... any other chance on windows?[详细]

2023-03-14 00:27 分类：问答
128 bit integer on cuda?

I just managed to install my cuda SDK under Linux U开发者_运维技巧buntu 10.04. My graphic card is an NVIDIA geForce GT 425M, and I\'d like to use it for some heavy computational problem.[详细]

2023-03-08 19:11 分类：问答
Is there any way to do 128-bit shifts on gcc <4.4?

gcc 4.4 seems to be the first version when they added int128_t. I need to use bit shifting and I have run ou开发者_运维知识库t of room for some bit fields.[详细]

2023-02-22 11:44 分类：问答
Does gcc support 128-bit int on amd64? [duplicate]

This question already has answers here: Is there a 128 bit integer in gcc? (3 answers) Closed 3 years ago.[详细]

2023-01-08 23:54 分类：问答
DataType for storing a long serial number (10 bytes)

We have a device which has a 10 byte serial number which must be read into our application and stored into a .net datatype. In the device it is stored as an unsigned 10-byte (80-bit) number. I don\'t[详细]

2023-01-02 17:25 分类：问答
Is there a library or other way to do 128-bit math operations?

I am writing a cryptography application and need to work with 128 bit integers. In addition to standard add, subtract, multiply, divide, and comparisons, I also need a power and modulo开发者_Go百科 f[详细]

2022-12-26 09:31 分类：问答
Are 64 bit programs bigger and faster than 32 bit versions?

I suppose I am focussing on x86, but I am generally interested in the move from 32 to 64 bit. Logically, I can see that constants and pointers, in some cases, will be larger so programs are likely to[详细]

2022-12-22 08:45 分类：问答
Unsigned 128-bit division on 64-bit machine

I have a 128-bit number stored as 2 64-bit numbers (\"Hi\" and \"Lo\"). I need only to divide it by a 32-bit number. How could I do it, using the native 64-bit operations from CPU?[详细]

2022-12-13 18:03 分类：问答