by: aku |
last post by:
I'm looking for the absolute fastest way
to count the nr of bits that are set to "1"
in a string. Presumably I then first need the
fastest way to do this in a byte.
I think this is it, but...
|
by: sathyashrayan |
last post by:
Group,
Following function will check weather a bit
is set in the given variouble x.
int bit_count(long x)
{
int n = 0;
/*
** The loop will execute once for each bit of x
set,
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by: barcaroller |
last post by:
I couldn't find a message-digest newsgroup, so I posted here. I have a C
function that converts a string of arbitrary length to a 32-bit hash value.
I realize this is overkill but I used...
|
by: Frederick Gotham |
last post by:
The "toupper" function takes an int as an argument. That's not too
irrational given that a character literal is of type "int" in C.
(Although why it isn't of type "char" escapes me... )
The...
|
by: steve yee |
last post by:
i want to detect if the compile is 32 bits or 64 bits in the source
code itself. so different code are compiled respectively. how to do
this?
|
by: Mack |
last post by:
Hi all,
I want to write a program to count number of bits set in a number.
The condition is we should not loop through each bit to find whether
its set or not.
Thanks in advance,
-Mukesh
|
by: borophyll |
last post by:
As I read it, C99 states that a byte is an:
"addressable unit of data storage large enough to hold any member of
the basic character
set of the execution environment" (3.6)
and that a byte...
|
by: Tubular Technician |
last post by:
Hello, World!
Reading this group for some time I came to the conclusion that
people here are split into several fractions regarding size_t,
including, but not limited to,
* size_t is the...
|
by: =?windows-1256?B?5eTPx+bs?= |
last post by:
What can i do to open , write and seek in file with size 2 GB or more
I know that you r limited with int type size which is 32-bit but how
programs like gzip , zip read and write from files with...
|
by: JoeC |
last post by:
I am working on a graphics program but my question has nothing to do
with graphics but trying to get an algorithm to work. I set graphics
from a 16x16 grid to bits of a graphic with:
bitData =...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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