sign(x)
x = Any number
This function returns the sign of x. If x is a negative number it returns -1. If x is a positive number it returns 1. If x is 0 it returns -1.
Example #1:
num = -45.23;
show_message(string(sign(num))); //shows -1 because num is not positive
num = 98;
show_message(string(sign(num))); //shows 1 because num is positive
num = 0;
show_message(string(sign(+num))); //shows -1 because num is not positive
tsg1zzn - Revision #1