Stan Math Library  2.20.0
reverse mode automatic differentiation
check_positive_ordered.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_ERR_CHECK_POSITIVE_ORDERED_HPP
2 #define STAN_MATH_PRIM_MAT_ERR_CHECK_POSITIVE_ORDERED_HPP
3 
8 #include <sstream>
9 #include <string>
10 
11 namespace stan {
12 namespace math {
13 
24 template <typename T_y>
25 void check_positive_ordered(const char* function, const char* name,
26  const Eigen::Matrix<T_y, Eigen::Dynamic, 1>& y) {
27  using Eigen::Dynamic;
28  using Eigen::Matrix;
29 
30  if (y.size() == 0)
31  return;
32 
33  if (y[0] < 0) {
34  std::ostringstream msg;
35  msg << "is not a valid positive_ordered vector."
36  << " The element at " << stan::error_index::value << " is ";
37  std::string msg_str(msg.str());
38  domain_error(function, name, y[0], msg_str.c_str(),
39  ", but should be postive.");
40  }
41  check_ordered(function, name, y);
42 }
43 } // namespace math
44 } // namespace stan
45 #endif
void check_ordered(const char *function, const char *name, const std::vector< T_y > &y)
Check if the specified vector is sorted into strictly increasing order.
void check_positive_ordered(const char *function, const char *name, const Eigen::Matrix< T_y, Eigen::Dynamic, 1 > &y)
Check if the specified vector contains non-negative values and is sorted into strictly increasing ord...
void domain_error(const char *function, const char *name, const T &y, const char *msg1, const char *msg2)
Throw a domain error with a consistently formatted message.

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