Module optmath
Simple math helper functions
Functions
| Math.roundPercent (percent) | Rounds a percentage. |
| Math.roundAwayFromZero (num) | Rounds away from zero. |
| Math.round (num) | Rounds a number. |
| Math.oddEven (number) | Determines if a number is odd or even. |
| Math.tmin (tab, func) | Returns the minimum element of a table. |
| Math.tmax (tab, func) | Returns the maximum element of a table. |
| Math.clamp (value, min, max) | Restricts a value within an interval. |
Functions
- Math.roundPercent (percent)
-
Rounds a percentage.
Parameters:
- percent float
Returns:
-
int
rounded percentage
- Math.roundAwayFromZero (num)
-
Rounds away from zero.
Parameters:
- num float
Returns:
-
int
ceiled above 0, floored under 0
- Math.round (num)
-
Rounds a number.
No support for decimal points.
Parameters:
- num float
Returns:
-
int
rounded number
- Math.oddEven (number)
-
Determines if a number is odd or even.
Parameters:
- number integer
Returns:
-
string
"odd" or "even"
- Math.tmin (tab, func)
-
Returns the minimum element of a table.
The optional argument func specifies a one-argument ordering function.
Parameters:
- tab table
- func func
Returns:
-
dynamic
minimum element of a table
- Math.tmax (tab, func)
-
Returns the maximum element of a table.
The optional argument func specifies a one-argument ordering function.
Parameters:
- tab table
- func func
Returns:
-
dynamic
maximum element of a table
- Math.clamp (value, min, max)
-
Restricts a value within an interval.
Parameters:
- value number
- min number
- max number
Returns:
-
number
value clamped to the interval [min,max]