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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
4 #include <stan/math/prim/scal/err/invalid_argument.hpp>
5 #include <string>
6
7 namespace stan {
8 namespace math {
9
28 template <typename T_y>
29 inline bool check_nonzero_size(const char* function,
30 const char* name,
31 const T_y& y) {
32 if (y.size() > 0)
33 return true;
34
35 invalid_argument(function, name, 0,
36 "has size ",
37 ", but must have a non-zero size");
38 return false;
39 }
40
41 }
42 }
43 #endif
stan
Definition: log_sum_exp.hpp:8
invalid_argument.hpp
stan::math::check_nonzero_size
bool check_nonzero_size(const char *function, const char *name, const T_y &y)
Return true if the specified matrix/vector is of non-zero size.
Definition: check_nonzero_size.hpp:29
stan::math::invalid_argument
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.
Definition: invalid_argument.hpp:31

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