The remainder of the quotient of two numbers (usually integers).
Questions tagged [modulus]
847 questions
2
votes
1 answer
How do I fix modulus in Linear Congruential Generator?
I have one problem in my Linear Congruential Generator. I have two Modulus. If I replace or remove any one of them, I don't get any output, except for the counter which initiates at the end but it's pretty useless if there's no output to process…

Andy Charles
- 21
- 5
2
votes
1 answer
MySQL MOD() is broken: Is this the best alternative?
At least in MySQL v5.1.73 (CentOS 6.6), MOD() function returns a bogus result... unless someone can explain how this is actually correct.
mysql> select MOD(-385.4784399 ,1440);
+-------------------------+
| MOD(-385.4784399 ,1440)…

tlum
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2
votes
2 answers
Modulus to display input number vertically
Basically I need to write a program in java that will ask the user for an integer, and then display that number vertically (using only math), so the number 2849 will display:
2
8
4
9
I know that I can use modulus by 10, getting 9, 4, 8, 2 but what I…

Devin
- 21
- 1
2
votes
1 answer
How to go about doing something every fourth loop as well as every other loop?
int doEveryTwoTimes= 1; // Counter to do something every two loops
int doEveryFourTimes= 2; // Counter to do something every four loops
// add a nested infinite loop to increment counter
while(true){
if(doEveryTwoTimes%2 == 0){
// DO…

Hooplator15
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2
votes
1 answer
Modulus not returning the correct value for a non-negative input
I am working on a scaled down RSA encryption and decryption methods and everything seems to be working well, until I try to take the modulus of a number. The modulus operator isn't returning the expected result.
for(int k = 0; k < sA.length;…

jm2rv
- 29
- 3
2
votes
3 answers
Every nth image with remainder offset for next loop
I have two values that indicate how many results to parse from some data and which nth item I want to target. In this case, it's making every nth item a large image where as the rest are normal size. Here's what I need the loop to do:
First image…

Rob Graham
- 73
- 1
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2
votes
1 answer
finding sum of digits after decimal in a float till arbitary precision
I am trying to find the sum of 2000 decimal digits of a number created by a fraction, a/b. I am getting a lot of the digits until i hit NaN (not a number). I hit NaN when the loop runs around 310 times. How do I get the rest of the digits?
Here is…

spørreren
- 75
- 3
2
votes
2 answers
How to use fmod and avoid precision issues
I'm going to boil this problem down to the simplest form:
Let's iterate from [0 .. 5.0] with a step of 0.05 and print out 'X'
for every 0.25 multiplier.
for(double d=0.0; d<=5.0; d+=0.05) {
if(fmod(d,0.25) is equal 0)
print 'X';
}
This…

c0dehunter
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votes
3 answers
modulus optimization in c
I'm trying to do optimization of modulus operation on set of integers I know ahead
The dividers are 400-3500, And the dividends are positive integers up to 2^16
I heard about magic numbers on hacker's delight but I couldn't find a way to get magic…

MrBlueSky
- 305
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- 10
2
votes
3 answers
Python - Modulus format variable
When I type the following into Notepad++ as Python code:
days = "Mon"
print "Here are the days: %s ". % days
I get this output in Windows Powershell:
File "ex9exp.py", line 4
print "Here are the days: %s ". % days
I am at a loss as to why…

Raz
- 93
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2
votes
0 answers
Unexpected output in R with modulus operator
((10*(7655.7-7652.3))%/%(2))
[1] 16
((10*(655.7-652.3))%/%(2))
[1] 17
((10*(7655.7-7652.3))%/%(2))
[1] 16
((10*(8655.7-8652.3))%/%(2))
[1] 17
((10*(9655.7-9652.3))%/%(2))
[1] 17
((10*(7655.7-7652.3))%/%(2))
[1] 16
%/% operator gives the…

Mayank Raj
- 121
- 2
- 12
2
votes
4 answers
C++ Remove First and Last digits of a number
I am trying to write a program to get rid of the first and last digit of a number. For the last digit, diving an int by 10 solves that issue. I need to find a way to use % to remove the first digit, but it seems like my logic is off somewhere, my…

Xerrad Anon
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- 9
2
votes
2 answers
Having trouble converting integer color for cyan to RGB
There is a simple algorithm to convert integer values to RGB value of three numbers between 0-255 at integer to rgb. I got the integer number from Android Colors. I even ran:
System.out.println(Color.decode("-16711681"));
and the answer was…

smuggledPancakes
- 9,881
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2
votes
1 answer
Boost cpp_dec_float supports modulus operation
As the title says, does Boost's cpp_dec_float support modulus operations? I'm dealing with money and would like to do some modulus operations to get the number of bills and coins that I need to return. cpp_dec_float seems to be the only arbitrary…

No_name
- 2,732
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- 48
2
votes
1 answer
Why does this gives a runtime floating point error?
I am doing an assignment for school which introduced hashmaps, and so I am creating a templated class for a hashmap that uses the std::hash function. The problem that I am having comes in my insert function, which is shown below:
template

shermanzach
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