Automatic Differentiation
 
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is_nan.hpp File Reference

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Namespaces

namespace  stan
 The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation from C or the boost::math::lgamma implementation.
 
namespace  stan::math
 Matrices and templated mathematical functions.
 

Functions

template<typename T , require_fvar_t< T > * = nullptr>
bool stan::math::is_nan (T &&x)
 Returns 1 if the input's value is NaN and 0 otherwise.