Stan Math Library  2.20.0
reverse mode automatic differentiation
check_nonzero_size.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_ERR_CHECK_NONZERO_SIZE_HPP
2 #define STAN_MATH_PRIM_SCAL_ERR_CHECK_NONZERO_SIZE_HPP
3 
6 
7 namespace stan {
8 namespace math {
9 
21 template <typename T_y>
22 inline void check_nonzero_size(const char* function, const char* name,
23  const T_y& y) {
24  if (y.size() > 0)
25  return;
26  invalid_argument(function, name, 0, "has size ",
27  ", but must have a non-zero size");
28 }
29 
30 } // namespace math
31 } // namespace stan
32 #endif
void check_nonzero_size(const char *function, const char *name, const T_y &y)
Check if the specified matrix/vector is of non-zero size.
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.

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