The following function rounds a number to the given number of decimal places.
Lua floor round.
Home icone indoor floor lua.
Then we compare it to see if it is greater than 0 5 and if it is we will use the math ceil function on it to round up and if not the math floor function to round down.
Floor of 10 5055 is 10 ceil of 10 5055 is 11 square root of 16 is 4 10 power 2 is 100 100 power 0 5 is 10 absolute value of 10 is 10 random number between 1 and 100 is 0 22876674703207 random number between 1 and 100 is 7 maximum in the input array is 999 minimum in the input array is 1.
If your lua uses double precision iec 559 aka ieee 754 floats as most do and your numbers are relatively small the method is guaranteed to work for inputs between 2 50 and 2 50 the following efficient code will perform rounding using your fpu s current rounding mode which is usually round to nearest ties to even.
To round up properly from 5 like most people round always use math floor number 0 5.
Here is an alternative implementation.
In other case lua casts upper into an integer sometimes giving math floor upper and others math ceil upper with unexpected results the same for lower.
The math randomseed function sets a seed for the pseudo random generator.
Use function div a b return a a b b end.
Function round num numdecimalplaces local mult 10 numdecimalplaces or 0 return math floor num mult 0 5 mult end.
The tostring part just turns the number into a string to use elsewhere.
Function round float local int part math modf float if float math abs float and part 5 then return int 1 positive float elseif part 5 then.
Print math floor 12 5928 the code above prints 12.
To get an integer result during a division.
This function makes use of lua s boolean operators to allow us to create this operation in one line as opposed to using an if statement.
What do you do to make it print 12 5.
Converting from float to int 3 hofstad is correct with the math floor number x suggestion to eliminate the bits right of the decimal you might want to round instead.
In this way it can be tilted in order to direct the light of the led which are located underneath.
There are tons of other math functions included in roblox lua that you may or may not ever use.