ClickHouse/src/Functions/isNaN.cpp
2020-09-07 21:00:37 +03:00

31 lines
498 B
C++

#include <Functions/FunctionNumericPredicate.h>
#include <Functions/FunctionFactory.h>
namespace DB
{
namespace
{
struct IsNaNImpl
{
static constexpr auto name = "isNaN";
template <typename T>
static bool execute(const T t)
{
/// Suppression for PVS-Studio.
return t != t; //-V501
}
};
using FunctionIsNaN = FunctionNumericPredicate<IsNaNImpl>;
}
void registerFunctionIsNaN(FunctionFactory & factory)
{
factory.registerFunction<FunctionIsNaN>();
}
}