1 #ifndef STAN_MATH_REV_SCAL_FUN_FMIN_HPP
2 #define STAN_MATH_REV_SCAL_FUN_FMIN_HPP
5 #include <boost/math/special_functions/fpclassify.hpp>
103 return a <= b ? a :
var(b);
135 return b <= a ? b :
var(a);
fvar< T > fmin(const fvar< T > &x1, const fvar< T > &x2)
const double NOT_A_NUMBER
(Quiet) not-a-number value.
Independent (input) and dependent (output) variables for gradients.
vari * vi_
Pointer to the implementation of this variable.
int is_nan(const fvar< T > &x)
Returns 1 if the input's value is NaN and 0 otherwise.