method

arg

v1_9_3_392 - Show latest stable - Class: Complex

arg()

public

Returns the angle part of its polar form.

Complex.polar(3, Math::PI/2).arg #=> 1.5707963267948966

static VALUE
nucomp_arg(VALUE self)
{
    get_dat1(self);
    return m_atan2_bang(dat->imag, dat->real);
}