is_scal_finite.hpp

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#ifndef STAN_MATH_PRIM_ERR_IS_SCAL_FINITE_HPP
#define STAN_MATH_PRIM_ERR_IS_SCAL_FINITE_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/fun/get.hpp>
#include <stan/math/prim/fun/size.hpp>
#include <stan/math/prim/fun/value_of_rec.hpp>
#include <cmath>
 
namespace stan {
namespace math {
 
template <typename T_y>
inline bool is_scal_finite(const T_y& y) {
  for (size_t n = 0; n < stan::math::size(y); ++n) {
    if (!std::isfinite(value_of_rec(stan::get(y, n)))) {
      return false;
    }
  }
  return true;
}
 
}  // namespace math
}  // namespace stan
#endif