abs()

Description

Calculates the absolute value of a number.

Syntax

abs(x)

Parameter Values

  • x: the number

Return Values

  • x: if x is greater than or equal to 0.
  • -x: if x is less than 0.

※ NOTES AND WARNINGS:

Because of the way the abs() function is implemented, avoid using other functions inside the brackets, it may lead to incorrect results.

abs(a++); // avoid this - yields incorrect results // use this instead: abs(a); a++; // keep other math outside the function

See Also

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