The following functions
are useful for performing various rounding calculations.
NoteAlthough you can
use these rounding functions as you would any other predefined function,
they are actually implemented as user-defined functions in the functions
file provided with the Inferno installation. See
Defining Your Own Functions.
round
Returns a number rounded
to the nearest integer.
| Syntax: |
round(Number) |
| Arguments: |
- Number is the number to round.
|
| Examples: |
- round(2.8) returns 3.
- round(-2.8) returns -3.
- round(2.3) returns 2.
|
ceil
Rounds a number up to
the next integer value regardless of its value.
| Syntax: |
ceil(Number) |
| Arguments: |
- Number is the number to round up.
|
| Examples: |
- ceil(2.8) returns 3.
- ceil(-2.8) returns -2.
- ceil(4) returns 4.
|
floor
Rounds a number down
to the nearest integer regardless of its value.
| Syntax: |
floor(Number) |
| Arguments: |
- Number is the number to round down.
|
| Examples: |
- floor(2.3) returns 2.
- floor(-2.3) returns -3.
- floor(4) returns 4.
|
trunc
Returns the integer value
of a number by truncating its fractional part.
| Syntax: |
trunc(Number) |
| Arguments: |
- Number is the number that you want to truncate.
|
| Examples: |
- trunc(3.8) returns 3.
- trunc(-3.8) returns -3.
- trunc(PI) returns 3.
|
