Stan Math Library  2.10.0
reverse mode automatic differentiation
log10.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_FWD_SCAL_FUN_LOG10_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_LOG10_HPP
3 
4 #include <stan/math/fwd/core.hpp>
5 
7 
8 namespace stan {
9 
10  namespace math {
11 
12  template <typename T>
13  inline
14  fvar<T>
15  log10(const fvar<T>& x) {
16  using std::log;
17  using std::log10;
19  if (x.val_ < 0.0)
21  else
22  return fvar<T>(log10(x.val_), x.d_ / (x.val_ * stan::math::LOG_10));
23  }
24  }
25 }
26 #endif
const double NOT_A_NUMBER
(Quiet) not-a-number value.
Definition: constants.hpp:56
var log10(const var &a)
Return the base 10 log of the specified variable (cmath).
Definition: log10.hpp:54
fvar< T > log(const fvar< T > &x)
Definition: log.hpp:15
const double LOG_10
The natural logarithm of 10, .
Definition: constants.hpp:39
fvar< T > log10(const fvar< T > &x)
Definition: log10.hpp:15

     [ Stan Home Page ] © 2011–2016, Stan Development Team.