Stan Math Library  2.20.0
reverse mode automatic differentiation
validate_non_negative_index.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_PRIM_MAT_ERR_VALIDATE_NON_NEGATIVE_INDEX_HPP
2 #define STAN_MATH_PRIM_MAT_ERR_VALIDATE_NON_NEGATIVE_INDEX_HPP
3 
5 #include <sstream>
6 #include <stdexcept>
7 #include <string>
8 
9 namespace stan {
10 namespace math {
11 
12 inline void validate_non_negative_index(const char* var_name, const char* expr,
13  int val) {
14  if (val < 0) {
15  std::stringstream msg;
16  msg << "Found negative dimension size in variable declaration"
17  << "; variable=" << var_name << "; dimension size expression=" << expr
18  << "; expression value=" << val;
19  std::string msg_str(msg.str());
20  throw std::invalid_argument(msg_str.c_str());
21  }
22 }
23 
24 } // namespace math
25 } // namespace stan
26 #endif
void validate_non_negative_index(const char *var_name, const char *expr, int val)
void invalid_argument(const char *function, const char *name, const T &y, const char *msg1, const char *msg2)
Throw an invalid_argument exception with a consistently formatted message.

     [ Stan Home Page ] © 2011–2018, Stan Development Team.