method

abs

v2_5_5 - Show latest stable - Class: Numeric

abs()

public

Returns the absolute value of num.

12.abs         #=> 12
(-34.56).abs   #=> 34.56
-34.56.abs     #=> 34.56

Numeric#magnitude is an alias for Numeric#abs.

static VALUE
num_abs(VALUE num)
{
    if (rb_num_negative_int_p(num)) {
        return num_funcall0(num, idUMinus);
    }
    return num;
}