1 #ifndef STAN_MATH_REV_CORE_OPERATOR_LESS_THAN_HPP
2 #define STAN_MATH_REV_CORE_OPERATOR_LESS_THAN_HPP
Independent (input) and dependent (output) variables for gradients.
bool operator<(const fvar< T > &x, double y)
double val() const
Return the value of this variable.