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Stan Math Library
2.20.0
reverse mode automatic differentiation
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Namespaces | |
stan | |
stan::math | |
Matrices and templated mathematical functions. | |
Functions | |
template<typename T > | |
std::enable_if_t< std::is_arithmetic< T >::value, bool > | stan::math::is_nan (T x) |
Returns true if the input is NaN and false otherwise. More... | |