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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
6 #include <string>
7
8 namespace stan {
9
10 namespace math {
11
30 template <typename T_y>
31 inline bool check_nonzero_size(const char* function,
32 const char* name,
33 const T_y& y) {
34 if (y.size() > 0)
35 return true;
36
37 invalid_argument(function, name, 0,
38 "has size ",
39 ", but must have a non-zero size");
40 return false;
41 }
42
43 }
44 }
45 #endif
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:31
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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