Ruby Round Up To Nearest 10

Deprecated do not use.

Ruby round up to nearest 10.

1 rounding to the nearest number. The function needs a number and ndigits which specifies the number of digits to be rounded off. For example you might need to display 1 44 as 1 45 and 1 89 as 1 90. 0 rounding towards zero.

In case the number of digits is not given the default value is taken to be zero. How do i round an integer to the nearest multiple of ten. But the problem of the answer of tallgreentree is that it doesn t round up it rounds to the nearest 10. 123 45 round 1 123 5 round to the nearest hundred.

The round is an inbuilt method in ruby returns a number rounded to a number nearest to the given number with a precision of the given number of digits after the decimal point. Ruby s built in rounding methods are great for the basic cases like rounding to a whole number or rounding to a certain decimal place. 123 45 floor 123 123 45 ceil 124 123 45 round 123 round to the nearest tenth. You can t use the round mode for rounding up because that only rounds up fractions and not whole numbers.

Is there a met. Usually defaults to 2 on most systems which would represent a base 10 decimal. To solve this add 5 to your number in order to round up. 123 45 round 2 100.

In an application you need to round up numbers to nearest 5 or nearest 10 all the time. This can be done at either the coding end or at the database end itself. If you want to round down do 5. Other modes include 1 indeterminable.

Usually defaults to 1 rounding to the nearest number. When the precision is negative the returned value is an integer with at least ndigits. Represents the rounding mode for floating point addition at the start time. I have tried integer round 0 1 but it gives the nearest decimal number.