abs

mathhook_core::functions::elementary::abs_eval

Function abs 

Source 
pub fn abs(arg: &Expression) -> Expression
Expand description

Evaluate absolute value function

§Mathematical Definition

|x| = { x if x ≥ 0 { -x if x < 0

§Arguments

  • arg - Expression to compute absolute value of

§Returns

Absolute value expression

§Examples

use mathhook_core::functions::elementary::abs_eval::abs;
use mathhook_core::expr;

let result = abs(&expr!(-5));
assert_eq!(result, expr!(5));