1 #ifndef STAN_MATH_FWD_SCAL_FUN_LOG2_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_LOG2_HPP
const double LOG_2
The natural logarithm of 2, .
const double NOT_A_NUMBER
(Quiet) not-a-number value.
fvar< T > log(const fvar< T > &x)
fvar< T > log2(const fvar< T > &x)