Reference for Wiring 1.0 (ALPHA) 0020+. If you have a previous version, use the reference included with your software.
If you see any errors or have any comments, let us know.
Name
abs()
Examples
int a = abs(153); // Sets a to 153
int b = abs(-15); // Sets b to 15
float c = abs(12.234); // Sets c to 12.234
float d = abs(-9.23); // Sets d to 9.23
Description
Calculates the absolute value (magnitude) of a number. The absolute value of a number is always positive.