Returns 0 if the value is positive, pi otherwise.
Overloads:
Returns:
1988 1989 1990 1991 1992 1993 1994
# File 'complex.c', line 1988 static VALUE numeric_arg(VALUE self) { if (f_positive_p(self)) return INT2FIX(0); return rb_const_get(rb_mMath, id_PI); }