template-util.h

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// Copyright 2012 Cloudera Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef IMPALA_UTIL_TEMPLATE_UTIL_H
#define IMPALA_UTIL_TEMPLATE_UTIL_H

#include <boost/type_traits/is_arithmetic.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/type_traits/is_float.hpp>
#include <boost/utility/enable_if.hpp>


#define ENABLE_IF_ARITHMETIC(type_param, return_type) \
  typename boost::enable_if_c<boost::is_arithmetic<type_param>::value, return_type>::type

#define ENABLE_IF_NOT_ARITHMETIC(type_param, return_type) \
  typename boost::enable_if_c<!boost::is_arithmetic<type_param>::value, return_type>::type

#define ENABLE_IF_INTEGRAL(type_param, return_type) \
  typename boost::enable_if_c<boost::is_integral<type_param>::value, return_type>::type

#define ENABLE_IF_FLOAT(type_param, return_type) \
  typename boost::enable_if_c<!boost::is_integral<type_param>::value, return_type>::type

#endif