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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/util/algorithm.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __UTIL_ALGORITHM_H
#define __UTIL_ALGORITHM_H
namespace Util
{
namespace Algorithm
{
/** @struct static_min
* @brief Template class to perform a compile-time min calculation.
*
* Example:
* static_min<size_t, 5, 7>::value == 5
*/
template <typename T, T a, T b>
struct static_min
{
static const T value = (a < b) ? a : b;
};
/** @struct static_max
* @brief Template class to perform a compile-time max calculation.
*
* Example:
* static_max<size_t, 5, 7>::value == 7
*/
template <typename T, T a, T b>
struct static_max
{
static const T value = (a > b) ? a : b;
};
/**
* @brief - utility function that determines if a given number is
* power of 2.
*
* @param[in] i_num - given number.
*
* @return bool - True if the number is a power of 2, False otherwise.
*/
template <typename T>
bool isPow2(T i_num)
{
return (!(i_num & (i_num-1)));
}
};
};
#endif
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