C Math fabs() Function
Example
Return the absolute (positive) value of different numbers:
printf("%f", fabs(-4.7));
printf("%f", fabs(4.7));
printf("%f", fabs(3));
Definition and Usage
The fabs() function returns the absolute (positive) value of a number.
The fabs() function is defined in the <math.h> header file.
Syntax
One of the following:
fabs(double number);Parameter Values
| Parameter | Description |
|---|---|
| number | Required. Specifies a number. |
Technical Details
| Returns: |
A double value representing the absolute value of the specified number.
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