Пример #1
0
 static RCP<const Basic> diff(const Cos &self,
         const RCP<const Symbol> &x) {
     return mul(mul(minus_one, sin(self.get_arg())),
             self.get_arg()->diff(x));
 }
Пример #2
0
 void bvisit(const Cos &x) {
     apply(result_, *(x.get_arg()));
     mpfr_cos(result_, result_, rnd_);
 }