Division in Haskell

Use div, which performs integer division: The (/) function requires arguments whose type is in the class Fractional, and performs standard division. The div function requires arguments whose type is in the class Integral, and performs integer division. More precisely, div and mod round toward negative infinity. Their cousins, quot and rem, behave like integer division in C and round toward zero. div and mod are usually correct when doing modular arithmetic (e.g. … Read more

When and why do we sign extend and use cdq with mul/div?

Use cdq / idiv for signed 32-bit / 32-bit => 32 bit division,xor edx,edx / div for unsigned. With the dividend in EAX to start with, and the divisor specified as an operand to DIV or IDIV. If you zero EDX/RDX instead of sign-extending into EDX:EAX before idiv, you can get a large positive result for -5 / 2, for example. Using the “full … Read more

How to divide 2 int in c?

You need a double variable to store the result. int stores only integers. Additionally, you have to typecast the other variables also before performing the division. Do something like this NOTE: You do not need the & in printf() statements.

What is the reason for having ‘//’ in Python?

I saw this in someone’s code: where img_index is a running index and num_images is 3. When I mess around with // in IPython, it seems to act just like a division sign (i.e. one forward slash). I was just wondering if there is any reason for having double forward slashes?

Integer division in Java [duplicate]

They are being divided in integer arithmetics. So dividing integer a by integer b you get how many times b fits into a. Also a % b will give you a remainder of a division. So (a / b ) * b + a % b = a