Number type
- 22 Feb 2024
- 3 Minutes to read
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Number type
- Updated on 22 Feb 2024
- 3 Minutes to read
- Contributors
- Print
- DarkLight
Article Summary
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Numbers are used for all kinds of calculations. There are literal numbers, like 7 or 1.5, but a component or variable can also be of type number. Both kinds can be used interchangeably and everything described on this page applies to either kind.
For example, you can call a function like round() on a component: price.round() or on a literal number: 13.5.round().
Operations
The following arithmetic operations are available in Hive (the examples assume that there is a component price with a value of 5.
name | example | result | description |
negate | -price | -5 | gets the inverse of a number |
add | price + 2 | 7 | adds two numbers |
substract | 2 - price | -3 | subtracts one number from another |
multiply | 2 * price | 10 | multiplies two numbers |
divide | 2 / price | 2.5 | divides one number by another |
exponentiation | price ^ 2 | 25 | raises a number to the power of another number |
modulo | price mod 2 | 1 | divides one number by another and returns the remainder |
Comparing numbers
In addition to the above, there are also six operators for comparing numbers.
name | example | result | description |
greater than | price > 5 | false | returns true if the first number is greater than the second |
greater than or equal | price >= | true | returns true if the first number is greater than or equal to the second |
less than | 4 < price | true | returns true if the first number is less than the second |
less than or equal | 4 <= price | false | returns true if the first number is less than or equal to the second |
equal to | price = 5 | true | returns true if one number is equal to another |
not equal to | price <> 19 | true | returns true if one number is not equal to another |
Functions
name | description |
rounds a number to the nearest integer or to the specified number of fractional digits | |
gets the largest integer less than or equal to the specified number | |
gets the smallest integer greater than or equal to the specified number | |
calculates the integral part of a number | |
gets a number that is greater than or equal to the specified threshold | |
gets a number that is less than or equal to the specified threshold | |
converts a number to text |
For additional mathematical functions check out the article about the math type.
round
Rounds a number to the specified number of fractional digits, away from zero.
If no parameter is used, or the number of digits is zero, rounds to the nearest integer.
example | result |
price.round() | 4 |
price.round(1) | 4.4 |
price.round(2) | 4.45 |
If you specify a negative number of digits, its positive inverse will be used, i.e. round(-2) is the same as round(2)
floor
Returns the largest integer that is less than or equal to the specified number.
example | result |
1.1.floor() | 1 |
1.9.floor() | 1 |
(-1.1).floor() | -2 |
ceiling
Returns the smallest integer that is greater than or equal to the specified number.
example | result |
1.1.ceiling() | 1 |
1.3.ceiling() | 2 |
(-1.1).ceiling() | -1 |
truncate
Calculates the integral part of a number by rounding it to the nearest integer towards zero.
example | result |
1.1.truncate() | 1 |
1.9.truncate() | 1 |
(-1.9).truncate() | -1 |
atLeast(min)
Compares a number to a specified threshold and returns it if it is greater than or equal to the threshold, otherwise returns the threshold.
example | result |
5.atLeast(10) | 10 |
5.atLeast(3) | 5 |
atMost(max)
Compares a number to a specified threshold and returns it if it is less than or equal to the threshold, otherwise returns the threshold.
example | result |
5.atMost(2) | 2 |
5.atMost(10) | 5 |
toText(format,locale)
Converts a number to text. You can optionally customize the conversion with the format parameter and specify the desired locale.
example | result |
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You may use a combination of the following characters to customize the conversion of numbers to text.
zero placeholder (0)
Replaces the zero with the corresponding digit if one is present; otherwise, zero appears in the result text.
123.456.toText("0000") becomes 0123
123.toText("000.00") becomes 123.00
digit placeholder (#)
Replaces the hash sign with the corresponding digit if one is present; otherwise, no digit appears in the result text.
123.456.toText("####") becomes 123
123.toText("###.##") becomes 123
decimal placeholder (.)
Determines the location of the decimal separator in the result text.
0.1234.toText("0.00") becomes 0.12
group separator placeholder (,)
Inserts a localized group separator between each number group in the integral part of the output.
12345678.toText("##,#") becomes 12,345,678
percentage placeholder (%)
Multiplies a number by 100 and inserts a percentage symbol in the result text.
0.35.toText("0%") becomes 35%
section separator (;)
Defines sections with separate format strings for positive, negative and zero numbers.
(-13.37).toText("##.##;(##.##)") becomes (13.37)
Other characters
All characters that have not been mentioned above will simply be copied to the result text:
24.toText("0 degrees") becomes 24 degrees
In order to use placeholder characters literally, you can precede them with a backslash:
13.37.toText("\# 00.0") becomes # 13.4
You can also use single quotes ' or double quotes " to enclose literal text that should be copied to the result:
13.37.toText("00.0'% of total'") becomes 13.4% of total
Rounding
If the formatted value contains more significant digits than are present in the format text, the value will be rounded to the nearest digit and away from zero.
10.5.toText("#") becomes 11
0.25.toText("0.0") becomes 0.3
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