1#ifndef STAN_MATH_REV_CORE_OPERATOR_LOGICAL_AND_HPP 
    2#define STAN_MATH_REV_CORE_OPERATOR_LOGICAL_AND_HPP 
   19  return x.val() && y.val();
 
   33template <
typename Arith, require_arithmetic_t<Arith>* = 
nullptr>
 
   49template <
typename Arith, require_arithmetic_t<Arith>* = 
nullptr>
 
bool operator&&(const fvar< T > &x, const fvar< T > &y)
Return the logical conjunction of the values of the two arguments as defined by &&.
 
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...