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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
4 #include <stan/math/prim/scal/err/domain_error.hpp>
5 #include <stan/math/prim/mat/err/check_ordered.hpp>
6 #include <stan/math/prim/mat/fun/Eigen.hpp>
7 #include <stan/math/prim/mat/meta/index_type.hpp>
8
9 #include <sstream>
10 #include <string>
11
12 namespace stan {
13
14 namespace math {
15
30 template <typename T_y>
31 bool
32 check_positive_ordered(const char* function,
33 const char* name,
34 const Eigen::Matrix<T_y, Eigen::Dynamic, 1>& y) {
35 using Eigen::Dynamic;
36 using Eigen::Matrix;
37 using stan::math::index_type;
38
39 typedef typename index_type<Matrix<T_y, Dynamic, 1> >::type size_type;
40 if (y.size() == 0) {
41 return true;
42 }
43 if (y[0] < 0) {
44 std::ostringstream msg;
45 msg << "is not a valid positive_ordered vector."
46 << " The element at " << stan::error_index::value
47 << " is ";
48 std::string msg_str(msg.str());
49 domain_error(function, name, y[0],
50 msg_str.c_str(), ", but should be postive.");
51 return false;
52 }
53 check_ordered(function, name, y);
54 return true;
55 }
56 }
57 }
58 #endif
stan
Definition: log_sum_exp.hpp:8
check_ordered.hpp
stan::math::size_type
Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic >::Index size_type
Type for sizes and indexes in an Eigen matrix with double e.
Definition: typedefs.hpp:13
stan::math::index_type
Primary template class for the metaprogram to compute the index type of a container.
Definition: index_type.hpp:19
stan::math::check_ordered
bool check_ordered(const char *function, const char *name, const std::vector< T_y > &y)
Return true if the specified vector is sorted into strictly increasing order.
Definition: check_ordered.hpp:30
index_type.hpp
stan::error_index::value
Definition: error_index.hpp:7
stan::math::domain_error
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.
Definition: domain_error.hpp:32
Eigen.hpp
stan::math::check_positive_ordered
bool check_positive_ordered(const char *function, const char *name, const Eigen::Matrix< T_y, Eigen::Dynamic, 1 > &y)
Return true if the specified vector contains non-negative values and is sorted into strictly increasi...
Definition: check_positive_ordered.hpp:32
domain_error.hpp

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