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### ceil
```
integer ceil(number value)
```
Returns the smallest integer value not less than the provided number.
It is a type error if the provided argument is not a number.
### Examples
```cpp
#include <iostream>
#include <jsoncons/json.hpp>
#include <jsoncons_ext/jsonpath/jsonpath.hpp>
// for brevity
using jsoncons::json;
namespace jsonpath = jsoncons::jsonpath;
int main()
{
std::string data = R"(
{
"books":
[
{
"title" : "A Wild Sheep Chase",
"author" : "Haruki Murakami",
"price" : 22.72
},
{
"title" : "The Night Watch",
"author" : "Sergei Lukyanenko",
"price" : 23.58
}
]
}
)";
json j = json::parse(data);
json result1 = jsonpath::json_query(j, "$.books[?(ceil(@.price) == 23.0)]");
std::cout << "(1) " << result1 << "\n\n";
json result2 = jsonpath::json_query(j, "$.books[?(ceil(@.price*100) == 2358.0)]"); // (since 0.164.0)
std::cout << "(2) " << result2 << "\n\n";
```
Output:
```
(1) [{"author":"Haruki Murakami","price":22.72,"title":"A Wild Sheep Chase"}]
(2) [{"author":"Sergei Lukyanenko","price":23.58,"title":"The Night Watch"}]
```
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