validations.hpp

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#pragma once
 
/// @file universal/include/userver/formats/common/validations.hpp
/// @brief @copybrief formats::common::ValidateFloat()
 
#include <cmath>
 
#include <userver/utils/assert.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::common {
 
/// @brief Common restrictions to floating type values serialization. Asserts
/// or throws on NaN and Inf values.
template <typename ExceptionType, typename Float>
Float ValidateFloat(Float value) {
  if (std::isnan(value)) {
    UASSERT_MSG(false, "Floating point nan value serialization is forbidden");
    throw ExceptionType("Floating point nan value serialization is forbidden");
  }
  if (std::isinf(value)) {
    UASSERT_MSG(false, "Floating point inf value serialization is forbidden");
    throw ExceptionType("Floating point inf value serialization is forbidden");
  }
  return value;
}
 
}  // namespace formats::common
 
USERVER_NAMESPACE_END