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reverse mode automatic differentiation
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csr_u_to_z.hpp
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#ifndef STAN_MATH_PRIM_MAT_FUN_CSR_U_TO_Z
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#define STAN_MATH_PRIM_MAT_FUN_CSR_U_TO_Z
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#include <
stan/math/prim/mat/err/check_range.hpp
>
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#include <
stan/math/prim/scal/err/check_positive.hpp
>
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#include <stdexcept>
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#include <vector>
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namespace
stan
{
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namespace
math {
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24
int
csr_u_to_z
(
const
std::vector<int>& u,
int
i) {
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check_positive
(
"csr_u_to_z"
,
"u.size()"
, u.size());
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check_range
(
"csr_u_to_z"
,
"i"
, u.size(), i + 1,
"index out of range"
);
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return
u[i + 1] - u[i];
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}
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}
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}
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#endif
check_positive.hpp
stan
Definition:
log_sum_exp.hpp:8
stan::math::csr_u_to_z
int csr_u_to_z(const std::vector< int > &u, int i)
Return the z vector computed from the specified u vector at the index for the z vector.
Definition:
csr_u_to_z.hpp:24
stan::math::check_range
bool check_range(const char *function, const char *name, const int max, const int index, const int nested_level, const char *error_msg)
Return true if specified index is within range.
Definition:
check_range.hpp:29
stan::math::check_positive
bool check_positive(const char *function, const char *name, const T_y &y)
Return true if y is positive.
Definition:
check_positive.hpp:68
check_range.hpp
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