1 #ifndef STAN_MATH_PRIM_SCAL_FUN_EXP_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_EXP_HPP
16 inline double exp(
int x) {
17 return std::exp(static_cast<double>(x));
var exp(const var &a)
Return the exponentiation of the specified variable (cmath).
fvar< T > exp(const fvar< T > &x)