C Math trunc() Function
Example
Return the integer part of different numbers:
printf("%f", trunc(0.60));
printf("%f", trunc(0.40));
printf("%f", trunc(5));
printf("%f", trunc(5.1));
printf("%f", trunc(-5.1));
printf("%f", trunc(-5.9));
Definition and Usage
The trunc() function truncates a number, which means returning only the integer part of the number.
The trunc() function is defined in the <math.h> header file.
Syntax
One of the following:
trunc(double number);Parameter Values
| Parameter | Description |
|---|---|
| number | Required. Specifies a number. |
Technical Details
| Returns: | A double value representing the integer part of a number. |
|---|
