Thread: C arithmatic dividing question

Is there a way for me to get a rounded down number from division math.

I'd like to be able to get a hover position from a division.

example:

Code:

hoverx = roundeddownatallcost(mouse_x / TILESIZE;)

what are the data types of hoverx,mouse_x and TILESIZE?

I think you want the "floor" function. floor(3) - Linux man page

Example:

Code:

double x = 100., y = 3.;
double z = floor(x / y);

Or you can use integer division:

Code:

int x = 100, y = 3;
int z = x/y;

Note that C rounds the result toward zero, which is different from rounding down only for negative results. If both numbers are always positive then you don't have to worry about this.