Is there a library function in c# for the mathematical modulus of a number - by this I specifically mean that a negative integer modulo a positive integer should yield a positive result.
I don't really understand how modulus division works.
I was calculating 27 % 16 and wound up with 11 and I don't understand why.
I can't seem to find an explanation in layman's terms online.
Can someone elaborate on a very high level as to what's going on here?
EDIT: Thanks for all your answers. You guys are incredibly quick. It all makes sense…
I've been trying to implement a modular exponentiator recently. I'm writing the code in VHDL, but I'm looking for advice of a more algorithmic nature. The main component of the modular exponentiator is a modular multiplier which I also have to implement myself. I haven't had any problems with the multiplication algorithm- it's just adding and…
I would like to convert a video in 16:9 format (1920*1080) to a 4:3 format (640*480) with Handbrake. Can anyone explain me what are anamorphic and modulus parameters? I tried to set modulus to 2 or 16 on a video but I can't really see the difference between both videos. I would also know if there are different algorithms to change a video…
So, lets say I have a number 123456. 123456 % 97 = 72. How can I determine what two digits need to be added to the end of 123456 such that the new number % 97 = 1? Note--it must always be two digits.
For example, 12345676 % 97 = 1. In this case, I need to add the digits "76" to the end of the number.
(This is for IBAN number…
Challenge:
Without using the modulus divide operator provided already by your language, write a program that will take two integer inputs from a user and then displays the result of the first number modulus divided number by the second number.
Example:
Input of first number:2
Input of second number:2
Result:0
Who…
I have minimize cost of calculating modulus in C.
say I have a number x and n is the number which will divide x
when n == 65536 (which happens to be 2^16):
mod = x % n (11 assembly instructions as produced by GCC)
or
mod = x & 0xffff which is equal to mod = x & 65535 (4 assembly instructions)
so, GCC doesn't…
I'm creating an RPN calculator for a school project. I'm having trouble with the modulus operator. Since we're using the double data type, modulus won't work on floating point numbers. For example, 0.5 % 0.3 should return 0.2 but I'm getting a division by zero exception.
The instruction says to use fmod(). I've looked…
I need to determine the amount left of a time cycle. To do that in C I would use fmod. But in ada I can find no reference to a similar function. It needs to be accurate and it needs to return a float for precision.
So how do I determine the modulus of a Float in Ada 95?
elapsed := time_taken mod 10.348;
left :=…
I was looking at some code in Python (I know nothing about Python) and I came across this portion:
def do_req(body):
global host, req
data = ""
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, 80))
s.sendall(req % (len(body), body))
tmpdata = s.recv(8192)
while…
I have a problem, I am trying to calculate what the lowest prime is of a number but I do not understand the result that PHP is giving me.
If I have this number
$number = 600851475143;
Then I modulus it:
$primes = array( 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79,…
I currently have a list (<ul>) of people that I have divided up into two columns. But after finishing the code for it I keept wondering if there is a more effective or clean way to do the same thing.
echo "<table class='area_list'><tr>";
// Loop users within areas, divided up in 2 columns…
I currently have a list (<ul>) of people that I have divided up into two columns. But after finishing the code for it I keept wondering if there is a more effective or clean way to do the same thing.
echo "<table class='area_list'><tr>";
// Loop users within areas, divided up in 2 columns…
I need to calculate modulus with large number like :
<?php
$largenum = 95635000009453274121700;
echo $largenum % 97;
?>
It's not working... beacause $largenum is too big for an int in PHP.
Any idea how to do this ?
Hay i need help.
I want to find all muliples of a number in PHP.
I'm using something like this
if($count != 20 )
to work out if $count is not equal to 20.
but i also need this script to check if $count is not equal to 20,40,60,80,100,120,140,160 etc.
Any ideas? I think i need to use the modulus symbol…
Hello, I have a question regarding modulus in C++. What I was trying to do was divide a very large number, lets say for example, M % 2, where M = 54,302,495,302,423. However, when I go to compile it says that the number is to 'long' for int. Then when I switch it to a double it repeats the same error…
If I have a 4x4 gameboard which I'm representing in my program as a 1d integer array of size 16.
How can I get the indexs of the squares above, below, to the left and to the right any given index?
So, for example:
A = { 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 }
Which represents this board
0 1 2 …
Have a webpage that will be viewed by mainly IE users, so CSS3 is out of the question.
I want it to list like:
A D G
B E H
C F I
Here is the function that currently lists like:
A B C
D E F
G H I
function listPhoneExtensions($group,$group_title) {
$adldap = new adLDAP();
$group_membership…
So I thought that negative numbers, when mod'ed should be put into positive space... I cant get this to happen in objective-c
I expect this:
-1 % 3 = 2
0 % 3 = 0
1 % 3 = 1
2 % 3 = 2
But get this
-1 % 3 = -1
0 % 3 = 0
1 % 3 = 1
2 % 3 = 2
Why is this and is there a workaround?
I want to check if a floating point value is "nearly" a multiple of 32. E.g. 64.1 is "nearly" divisible by 32, and so is 63.9.
Right now I'm doing this:
#define NEARLY_DIVISIBLE 0.1f
float offset = fmodf( val, 32.0f ) ;
if( offset < NEARLY_DIVISIBLE )
{
// its near from above
}
// if it was…
This silly scripting language doesn't have a % or Mod(). I do have a Fix() that chops off the decimal part of a number. I only need positive results, so don't get too robust.
How do I handle big integers in C#?
I have a function that will give me the product of divisors:
private static int GetDivisorProduct(int N, int product)
{
for (int i = 1; i < N; i++)
{
if (N % i == 0)
{
Console.WriteLine(i.ToString());…