base/utility.h

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/**
 *  \file IMP/base/utility.h    \brief Various general useful functions for IMP.
 *
 *  Copyright 2007-2013 IMP Inventors. All rights reserved.
 *
 */

#ifndef IMPBASE_UTILITY_H
#define IMPBASE_UTILITY_H

#include <IMP/base/base_config.h>
#include <boost/utility.hpp>
#include <cmath>
#include "base_macros.h"
#include <IMP/base/Vector.h>
#include <IMP/base/math.h>

IMPBASE_BEGIN_NAMESPACE

#if !defined(IMP_DOXYGEN) && !defined(SWIG)
template <class T>
inline T square(T t) IMP_NO_SIDEEFFECTS;
template <class T>
inline T cube(T t) IMP_NO_SIDEEFFECTS;

//! Compute the square of a number
template <class T>
inline T square(T t) {
  return t * t;
}

//! Compute the cube of a number
template <class T>
inline T cube(T t) {
  return t * t * t;
}

template <class T>
inline bool is_nan(const T &a) {
  return isnan(a);
}

//! A version of std::for_each which works with ranges
/** This is needed to apply the functor to a range which is a temporary
    object, since you can't call both begin and end on it.
 */
template <class Range, class Functor>
inline void for_each(const Range &r, const Functor &f) {
  std::for_each(r.begin(), r.end(), f);
}

template <class T>
inline int compare(const T &a, const T &b) {
  return a.compare(b);
}

/** Convert between different types of lists.
 */
template <class Out, class In>
inline Out get_as(const In &in) {
  return Out(in.begin(), in.end());
}
#endif

/** Return a unique name produced from the string by replacing
    %1% with a sequential number.*/
IMPBASEEXPORT std::string get_unique_name(std::string templ);

IMPBASE_END_NAMESPACE

#endif /* IMPBASE_UTILITY_H */