Stan Math Library  2.14.0
reverse mode automatic differentiation
log10.hpp
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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>
6 
7 namespace stan {
8  namespace math {
9 
10  template <typename T>
11  inline
12  fvar<T>
13  log10(const fvar<T>& x) {
14  using std::log;
15  using std::log10;
16  if (x.val_ < 0.0)
18  else
19  return fvar<T>(log10(x.val_), x.d_ / (x.val_ * LOG_10));
20  }
21 
22  }
23 }
24 #endif
const double NOT_A_NUMBER
(Quiet) not-a-number value.
Definition: constants.hpp:55
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:14
const double LOG_10
The natural logarithm of 10, .
Definition: constants.hpp:38
fvar< T > log10(const fvar< T > &x)
Definition: log10.hpp:13

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