divide

Java Remainder of Integer Divison?

最后都变了- 提交于 2019-12-01 17:14:39
I was searching around about this topic but I still don't get it, if someone can elaborate I would be very thankful. My task is to divide two variables as integer division with remainder.. The problem is, that I have no clue what a remainder is, for now I did something like that, this is what I found by searching through the internet: int a; int b; int remainder = Math.Pow(a,2) % b; System.out.println("a^2 / b = " + Math.Pow(a,2) / b); System.out.println("remainder = " + remainder); if I for example set (a = 43) and (b = 67) Then I will get this reslut: a^2 / b = 27 remainder = 40 Now since I

Java Remainder of Integer Divison?

杀马特。学长 韩版系。学妹 提交于 2019-12-01 16:20:47
问题 I was searching around about this topic but I still don't get it, if someone can elaborate I would be very thankful. My task is to divide two variables as integer division with remainder.. The problem is, that I have no clue what a remainder is, for now I did something like that, this is what I found by searching through the internet: int a; int b; int remainder = Math.Pow(a,2) % b; System.out.println("a^2 / b = " + Math.Pow(a,2) / b); System.out.println("remainder = " + remainder); if I for

How to convert milliseconds to seconds with precision

余生颓废 提交于 2019-11-29 10:52:04
问题 I want to convert milliseconds to seconds (for example 1500ms to 1.5s, or 500ms to 0.5s) with as much precision as possible. Double.parseDouble(500 / 1000 + "." + 500 % 1000); isn't the best way to do it: I'm looking for a way to get the remainder from a division operation so I could simply add the remainder on. 回答1: Surely you just need: double seconds = milliseconds / 1000.0; There's no need to manually do the two parts separately - you just need floating point arithmetic, which the use of

Divide and Get Remainder at the same time?

久未见 提交于 2019-11-28 22:21:19
Apparently, x86 (and probably a lot of other instruction sets) put both the quotient and the remainder of a divide operation in separate registers. Now, we can probably trust compilers to optimize a code such as this to use only one call to divide: ( x / 6 ) ( x % 6 ) And they probably do. Still, do any languages (or libraries, but mainly looking for languages) support giving both the divide and modulo results at the same time? If so, what are they, and What does the syntax look like? C has div and ldiv . Whether these generate separate instructions for the quotient and remainder will depend

How do I divide in the Linux console?

孤街醉人 提交于 2019-11-28 21:48:27
问题 I have to variables and I want to find the value of one divided by the other. What commands should I use to do this? 回答1: In the bash shell, surround arithmetic expressions with $(( ... )) $ echo $(( 7 / 3 )) 2 Although I think you are limited to integers. 回答2: echo 5/2 | bc -l 2.50000000000000000000 this '-l' option in 'bc' allows floating results 回答3: Better way is to use "bc", an arbitrary precision calculator. variable=$(echo "OPTIONS; OPERATIONS" | bc) ex: my_var=$(echo "scale=5; $temp

Python Class __div__ issue

混江龙づ霸主 提交于 2019-11-28 13:17:48
The tuples represent fractions. I'm trying to divide the fractions by multiplying by the reciprical class Test(): def __init__(self): self._x=(1,2) def __div__(self,div_fraction): return (self._x[0]*div_fraction[1],self._x[1]*div_fraction[0]) y=Test() z=y/(1,3) print(z) Gives me: Traceback (most recent call last): File "E:/test.py", line 8, in <module> z=y/(1,3) TypeError: unsupported operand type(s) for /: 'Test' and 'tuple' Yet when I change the __div__ to __mul__ and use * instead of / it does what it should. How do I fix the exception I'm getting? Ignacio Vazquez-Abrams Python 3.x uses _

Find if variable is divisible by 2

喜你入骨 提交于 2019-11-28 04:26:26
How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not. Use modulus: // Will evaluate to true if the variable is divisible by 2 variable % 2 === 0 Seriously, there's no jQuery plugin for odd/even checks? Well, not anymore - releasing "Oven" a jQuery plugin under the MIT license to test if a given number is Odd/Even. Source code is also available at http://jsfiddle.net/7HQNG/ Test-suites are available at http://jsfiddle.net/zeuRV/ (function() { /* * isEven(n) * @args number n * @return boolean returns whether the

How do I get a float value when dividing two integers? (PHP)

风格不统一 提交于 2019-11-28 02:31:36
问题 Hi I am trying to divide two integers ex: 12/13 but I always get a whole integer 1 not a decimal number. I tried type casting the values to float before hand with no success. Basically all I want is a decimal result like: 0.923... $x = 12; $y = 13; echo $value = $x / $y; //Would like to see 0.923 not 1 回答1: Under normal circumstances your code should return the floating value 0.923076 ... The reason you get a rounded integer might be because you have your ini setting for "precision" set to 0

Divide two variables in bash

廉价感情. 提交于 2019-11-27 23:00:59
I am trying to divide two var in bash, this is what I've got: var1=3; var2=4; echo ($var1/$var2) I always get a syntax error. Does anyone knows what's wrong? shell parsing is useful only for integer division: var1=8 var2=4 echo $((var1 / var2)) output: 2 instead your example: var1=3 var2=4 echo $((var1 / var2)) ouput: 0 it's better to use bc: echo "scale=2 ; $var1 / $var2" | bc output: .75 scale is the precision required There are two possible answers here. To perform integer division, you can use the shell: $ echo $(( var1 / var2 )) 0 The $(( ... )) syntax is known as an arithmetic expansion

Divide and Get Remainder at the same time?

佐手、 提交于 2019-11-27 21:05:19
问题 Apparently, x86 (and probably a lot of other instruction sets) put both the quotient and the remainder of a divide operation in separate registers. Now, we can probably trust compilers to optimize a code such as this to use only one call to divide: ( x / 6 ) ( x % 6 ) And they probably do. Still, do any languages (or libraries, but mainly looking for languages) support giving both the divide and modulo results at the same time? If so, what are they, and What does the syntax look like? 回答1: C