Method: Math#erfc

Defined in:
math.c

#erfc(x) ⇒ Float (private)

Returns the value of the complementary error function for x.

- Domain: <tt>[-INFINITY, INFINITY]</tt>.
- Range: <tt>[0, 2]</tt>.

Examples:

  erfc(-INFINITY) # => 2.0
  erfc(0.0)       # => 1.0
  erfc(INFINITY)  # => 0.0

Related: Math.erf.

Returns:



899
900
901
902
903
 
# File 'math.c', line 899

static VALUE
math_erfc(VALUE unused_obj, VALUE x)
{
    return DBL2NUM(erfc(Get_Double(x)));
}