Modulo and division Operator in C#

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I want to calculate Amount by Number of days, as Considering year,month,weak,day but it does not return correct value

my code is ,Please suggest me correction if any

C#

double year = 0, month = 0, weak = 0, day= 0;
               if (delay > 365)
                    year = delay % 365;
               if (delay < 365 && delay >= 31)
                   month = delay % 30;
               if (delay < 30 && delay >= 7)
                   weak = delay % 7;
               if (delay < 7)
                   day = delay % 1;
                        
            
               double year1=0, month1=0, weak1=0, day1=0;

                 year1 = delay / 365;
                 month1 = year / 12;
                 weak1 = month / 7;
                 day1 = day / 1;

           double yearVal = 100;
           double monthVal = 50;
           double weakVal = 10;
           double dayVal = 1;

           double Addition = year1 * yearVal + month1 * monthVal + weak1 * weakVal + day1 * dayVal;

Posted 24-Jan-14 18:24pm

SVT02

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Ron Beyer 25-Jan-14 0:28am

So you have a variable that is the number of days, and you want the number of years, months, weeks, and days from that?

SVT02 25-Jan-14 0:33am

yes,delay variable is number of days and also want to calculate The addition for these days by given value

Ron Beyer 25-Jan-14 0:35am

I really don't understand what "calculate the addition for these days by given value" means exactly. The purpose of your formula is not clear in your code.

SVT02 25-Jan-14 0:38am

suppose if delay=400 so i want this in 1year-1month-0weak-5days manner and Addition for this should 155, but my code doesn't work properly

BillWoodruff 25-Jan-14 0:45am

Consider if delay == 21: all the calculated parameters will be set to zero, except for 'year 1 which will be 0.057534246575342465, and the result will be 5.7534246575342465 ... is that what you want ?

What is your goal here ?

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Ron Beyer · Accepted Answer · 2014-01-24T18:38:00

Solution 1

You can calculate the number of days/months/years like this:

C#

int years, months, weeks, days;
years = months = weeks = days = 0;

while (delay > 365)
{ years++; delay -= 365; }

while (delay > 30)
{ months++; delay -= 30; }

while (delay > 7)
{ weeks++; delay -= 7; }

days = delay;

int yearMult = 100;
int monthMult = 50;
int weekMult = 10;
int dayMult = 1;

int addition = (years * yearMult) + (months * monthMult) + (weeks * weekMult) + (days * dayMult);

//So for 400 as the "delay" that should give you 1 year, 1 month, 0 weeks and 5 days, and "addition" will equal 155

Posted 24-Jan-14 18:38pm

Ron Beyer

Updated 24-Jan-14 18:45pm

v2

Comments

SVT02 25-Jan-14 0:43am

But how can i multiply by given values with years,month,week, days?

Ron Beyer 25-Jan-14 0:46am

I just updated it to show you. I ran a test with this and 400 as your example and addition produced a value of 155...

SVT02 25-Jan-14 0:48am

Thanks Mr Ron,I will try it

SVT02 25-Jan-14 0:51am

Thanks a lot Ron,Its Run Perfectly

BillWoodruff 25-Jan-14 2:00am

Note that we do not have information what Type 'delay is: in the OP's code all variables declared are Type 'double. If 'delay is also declared as 'double, then the result of the computation will be a floating point number !

If 'delay is declared as 'int, then the OP could re-define his variables as 'int.

Ron Beyer 25-Jan-14 8:46am

If I changed all the variables to doubles then yeah it will give a different answer. But if he did pass a double in for delay for the code above, it shouldn't produce a floating point number since the double will be converted to an integer at days = delay. It will round to the nearest whole number, which may still give an inaccurate answer.

Modulo and division Operator in C#

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Modulo and division Operator in C#

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