comparison DEPENDENCIES/generic/include/boost/chrono/process_cpu_clocks.hpp @ 16:2665513ce2d3

Add boost headers

+//  boost/chrono/process_cpu_clocks.hpp  -----------------------------------------------------------//
+
+//  Copyright 2009-2011 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  See http://www.boost.org/libs/system for documentation.
+
+#ifndef BOOST_CHRONO_PROCESS_CPU_CLOCKS_HPP
+#define BOOST_CHRONO_PROCESS_CPU_CLOCKS_HPP
+
+#include <boost/chrono/config.hpp>
+
+
+#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
+
+#include <boost/chrono/duration.hpp>
+#include <boost/chrono/time_point.hpp>
+#include <boost/operators.hpp>
+#include <boost/chrono/detail/system.hpp>
+#include <iostream>
+#include <boost/type_traits/common_type.hpp>
+#include <boost/chrono/clock_string.hpp>
+
+#ifndef BOOST_CHRONO_HEADER_ONLY
+#include <boost/config/abi_prefix.hpp> // must be the last #include
+#endif
+
+namespace boost { namespace chrono {
+
+    class BOOST_CHRONO_DECL process_real_cpu_clock {
+    public:
+        typedef nanoseconds                          duration;
+        typedef duration::rep                        rep;
+        typedef duration::period                     period;
+        typedef chrono::time_point<process_real_cpu_clock>    time_point;
+        BOOST_STATIC_CONSTEXPR bool is_steady =             true;
+
+        static BOOST_CHRONO_INLINE time_point now() BOOST_NOEXCEPT;
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+        static BOOST_CHRONO_INLINE time_point now(system::error_code & ec );
+#endif
+    };
+
+    class BOOST_CHRONO_DECL process_user_cpu_clock {
+    public:
+        typedef nanoseconds                          duration;
+        typedef duration::rep                        rep;
+        typedef duration::period                     period;
+        typedef chrono::time_point<process_user_cpu_clock>    time_point;
+        BOOST_STATIC_CONSTEXPR bool is_steady =             true;
+
+        static BOOST_CHRONO_INLINE time_point now() BOOST_NOEXCEPT;
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+        static BOOST_CHRONO_INLINE time_point now(system::error_code & ec );
+#endif
+    };
+
+    class BOOST_CHRONO_DECL process_system_cpu_clock {
+    public:
+        typedef nanoseconds                          duration;
+        typedef duration::rep                        rep;
+        typedef duration::period                     period;
+        typedef chrono::time_point<process_system_cpu_clock>    time_point;
+        BOOST_STATIC_CONSTEXPR bool is_steady =             true;
+
+        static BOOST_CHRONO_INLINE time_point now() BOOST_NOEXCEPT;
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+        static BOOST_CHRONO_INLINE time_point now(system::error_code & ec );
+#endif
+    };
+
+        template <typename Rep>
+        struct process_times
+            : arithmetic<process_times<Rep>,
+            multiplicative<process_times<Rep>, Rep,
+            less_than_comparable<process_times<Rep> > > >
+        {
+              //typedef process_real_cpu_clock::rep rep;
+              typedef Rep rep;
+            process_times()
+                : real(0)
+                , user(0)
+                , system(0){}
+            template <typename Rep2>
+            explicit process_times(
+                Rep2 r)
+                : real(r)
+                , user(r)
+                , system(r){}
+            template <typename Rep2>
+            explicit process_times(
+                process_times<Rep2> const& rhs)
+                : real(rhs.real)
+                , user(rhs.user)
+                , system(rhs.system){}
+            process_times(
+                rep r,
+                rep u,
+                rep s)
+                : real(r)
+                , user(u)
+                , system(s){}
+
+            rep   real;    // real (i.e wall clock) time
+            rep   user;    // user cpu time
+            rep system;  // system cpu time
+
+            operator rep() const
+            {
+              return real;
+            }
+            template <typename Rep2>
+            bool operator==(process_times<Rep2> const& rhs) {
+                return (real==rhs.real &&
+                        user==rhs.user &&
+                        system==rhs.system);
+            }
+
+            process_times& operator+=(
+                process_times const& rhs)
+            {
+                real+=rhs.real;
+                user+=rhs.user;
+                system+=rhs.system;
+                return *this;
+            }
+            process_times& operator-=(
+                process_times const& rhs)
+            {
+                real-=rhs.real;
+                user-=rhs.user;
+                system-=rhs.system;
+                return *this;
+            }
+            process_times& operator*=(
+                process_times const& rhs)
+            {
+                real*=rhs.real;
+                user*=rhs.user;
+                system*=rhs.system;
+                return *this;
+            }
+            process_times& operator*=(rep const& rhs)
+            {
+                real*=rhs;
+                user*=rhs;
+                system*=rhs;
+                return *this;
+            }
+            process_times& operator/=(process_times const& rhs)
+            {
+                real/=rhs.real;
+                user/=rhs.user;
+                system/=rhs.system;
+                return *this;
+            }
+            process_times& operator/=(rep const& rhs)
+            {
+                real/=rhs;
+                user/=rhs;
+                system/=rhs;
+                return *this;
+            }
+            bool operator<(process_times const & rhs) const
+            {
+                if (real < rhs.real) return true;
+                if (real > rhs.real) return false;
+                if (user < rhs.user) return true;
+                if (user > rhs.user) return false;
+                if (system < rhs.system) return true;
+                else return false;
+            }
+
+            template <class CharT, class Traits>
+            void print(std::basic_ostream<CharT, Traits>& os) const
+            {
+                os <<  "{"<< real <<";"<< user <<";"<< system << "}";
+            }
+
+            template <class CharT, class Traits>
+            void read(std::basic_istream<CharT, Traits>& is) const
+            {
+                typedef std::istreambuf_iterator<CharT, Traits> in_iterator;
+                in_iterator i(is);
+                in_iterator e;
+                if (i == e || *i != '{')  // mandatory '{'
+                {
+                    is.setstate(is.failbit | is.eofbit);
+                    return;
+                }
+                CharT x,y,z;
+                is >> real >> x >> user >> y >> system >> z;
+                if (!is.good() || (x != ';')|| (y != ';')|| (z != '}'))
+                {
+                    is.setstate(is.failbit);
+                }
+            }
+        };
+}
+template <class Rep1, class Rep2>
+struct common_type<
+  chrono::process_times<Rep1>,
+  chrono::process_times<Rep2>
+>
+{
+  typedef chrono::process_times<typename common_type<Rep1, Rep2>::type> type;
+};
+
+template <class Rep1, class Rep2>
+struct common_type<
+  chrono::process_times<Rep1>,
+  Rep2
+>
+{
+  typedef chrono::process_times<typename common_type<Rep1, Rep2>::type> type;
+};
+
+template <class Rep1, class Rep2>
+struct common_type<
+  Rep1,
+  chrono::process_times<Rep2>
+>
+{
+  typedef chrono::process_times<typename common_type<Rep1, Rep2>::type> type;
+};
+
+
+namespace chrono
+{
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator==(const duration<process_times<Rep1>, Period1>& lhs,
+        const duration<process_times<Rep2>, Period2>& rhs)
+  {
+      return boost::chrono::detail::duration_eq<
+          duration<process_times<Rep1>, Period1>, duration<process_times<Rep2>, Period2> >()(lhs, rhs);
+  }
+
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator==(const duration<process_times<Rep1>, Period1>& lhs,
+        const duration<Rep2, Period2>& rhs)
+  {
+      return boost::chrono::detail::duration_eq<
+          duration<Rep1, Period1>, duration<Rep2, Period2> >()(duration<Rep1, Period1>(lhs.count().real), rhs);
+  }
+
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator==(const duration<Rep1, Period1>& lhs,
+        const duration<process_times<Rep2>, Period2>& rhs)
+  {
+      return rhs == lhs;
+  }
+
+
+  // Duration <
+
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator< (const duration<process_times<Rep1>, Period1>& lhs,
+        const duration<Rep2, Period2>& rhs)
+  {
+      return boost::chrono::detail::duration_lt<
+        duration<Rep1, Period1>, duration<Rep2, Period2> >()(duration<Rep1, Period1>(lhs.count().real), rhs);
+  }
+
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator< (const duration<Rep1, Period1>& lhs,
+        const duration<process_times<Rep2>, Period2>& rhs)
+  {
+    return rhs < lhs;
+  }
+
+  template <class Rep1, class Period1, class Rep2, class Period2>
+  inline BOOST_CONSTEXPR
+  bool
+  operator< (const duration<process_times<Rep1>, Period1>& lhs,
+        const duration<process_times<Rep2>, Period2>& rhs)
+  {
+    return boost::chrono::detail::duration_lt<
+      duration<Rep1, Period1>, duration<Rep2, Period2> >()(lhs, rhs);
+  }
+
+
+  typedef process_times<nanoseconds::rep> process_cpu_clock_times;
+    class BOOST_CHRONO_DECL process_cpu_clock
+    {
+    public:
+
+        typedef process_cpu_clock_times times;
+        typedef boost::chrono::duration<times,  nano>                duration;
+        typedef duration::rep                       rep;
+        typedef duration::period                    period;
+        typedef chrono::time_point<process_cpu_clock>  time_point;
+        BOOST_STATIC_CONSTEXPR bool is_steady =           true;
+
+        static BOOST_CHRONO_INLINE time_point now() BOOST_NOEXCEPT;
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+        static BOOST_CHRONO_INLINE time_point now(system::error_code & ec );
+#endif
+    };
+
+    template <class CharT, class Traits, typename Rep>
+    std::basic_ostream<CharT, Traits>&
+    operator<<(std::basic_ostream<CharT, Traits>& os,
+        process_times<Rep> const& rhs)
+    {
+        rhs.print(os);
+        return os;
+    }
+
+    template <class CharT, class Traits, typename Rep>
+    std::basic_istream<CharT, Traits>&
+    operator>>(std::basic_istream<CharT, Traits>& is,
+        process_times<Rep> const& rhs)
+    {
+        rhs.read(is);
+        return is;
+    }
+
+    template <typename Rep>
+    struct duration_values<process_times<Rep> >
+    {
+        typedef process_times<Rep> Res;
+    public:
+        static Res zero()
+        {
+            return Res();
+        }
+        static Res max BOOST_PREVENT_MACRO_SUBSTITUTION ()
+        {
+          return Res((std::numeric_limits<Rep>::max)(),
+                      (std::numeric_limits<Rep>::max)(),
+                      (std::numeric_limits<Rep>::max)());
+        }
+        static Res min BOOST_PREVENT_MACRO_SUBSTITUTION ()
+        {
+          return Res((std::numeric_limits<Rep>::min)(),
+                      (std::numeric_limits<Rep>::min)(),
+                      (std::numeric_limits<Rep>::min)());
+        }
+    };
+
+    template<class CharT>
+    struct clock_string<process_real_cpu_clock, CharT>
+    {
+      static std::basic_string<CharT> name()
+      {
+        static const CharT
+            u[] =
+                { 'p', 'r', 'o', 'c', 'e', 's', 's', '_', 'r', 'e', 'a', 'l', '_', 'c', 'l', 'o', 'c', 'k' };
+        static const std::basic_string<CharT> str(u, u + sizeof(u)
+            / sizeof(u[0]));
+        return str;
+      }
+      static std::basic_string<CharT> since()
+      {
+        const CharT
+            u[] =
+                { ' ', 's', 'i', 'n', 'c', 'e', ' ', 'p', 'r', 'o', 'c', 'e', 's', 's', ' ', 's', 't', 'a', 'r', 't', '-', 'u', 'p' };
+        const std::basic_string<CharT> str(u, u + sizeof(u) / sizeof(u[0]));
+        return str;
+      }
+    };
+
+    template<class CharT>
+    struct clock_string<process_user_cpu_clock, CharT>
+    {
+      static std::basic_string<CharT> name()
+      {
+        static const CharT
+            u[] =
+                { 'p', 'r', 'o', 'c', 'e', 's', 's', '_', 'u', 's', 'e', 'r', '_', 'c', 'l', 'o', 'c', 'k' };
+        static const std::basic_string<CharT> str(u, u + sizeof(u)
+            / sizeof(u[0]));
+        return str;
+      }
+      static std::basic_string<CharT> since()
+      {
+        const CharT
+            u[] =
+                { ' ', 's', 'i', 'n', 'c', 'e', ' ', 'p', 'r', 'o', 'c', 'e', 's', 's', ' ', 's', 't', 'a', 'r', 't', '-', 'u', 'p' };
+        const std::basic_string<CharT> str(u, u + sizeof(u) / sizeof(u[0]));
+        return str;
+      }
+    };
+
+    template<class CharT>
+    struct clock_string<process_system_cpu_clock, CharT>
+    {
+      static std::basic_string<CharT> name()
+      {
+        static const CharT
+            u[] =
+                { 'p', 'r', 'o', 'c', 'e', 's', 's', '_', 's', 'y', 's', 't', 't', 'e', 'm', '_', 'c', 'l', 'o', 'c', 'k' };
+        static const std::basic_string<CharT> str(u, u + sizeof(u)
+            / sizeof(u[0]));
+        return str;
+      }
+      static std::basic_string<CharT> since()
+      {
+        const CharT
+            u[] =
+                { ' ', 's', 'i', 'n', 'c', 'e', ' ', 'p', 'r', 'o', 'c', 'e', 's', 's', ' ', 's', 't', 'a', 'r', 't', '-', 'u', 'p' };
+        const std::basic_string<CharT> str(u, u + sizeof(u) / sizeof(u[0]));
+        return str;
+      }
+    };
+
+    template<class CharT>
+    struct clock_string<process_cpu_clock, CharT>
+    {
+      static std::basic_string<CharT> name()
+      {
+        static const CharT u[] =
+        { 'p', 'r', 'o', 'c', 'e', 's', 's', '_', 'c', 'l', 'o', 'c', 'k' };
+        static const std::basic_string<CharT> str(u, u + sizeof(u)
+            / sizeof(u[0]));
+        return str;
+      }
+      static std::basic_string<CharT> since()
+      {
+        const CharT
+            u[] =
+                { ' ', 's', 'i', 'n', 'c', 'e', ' ', 'p', 'r', 'o', 'c', 'e', 's', 's', ' ', 's', 't', 'a', 'r', 't', '-', 'u', 'p' };
+        const std::basic_string<CharT> str(u, u + sizeof(u) / sizeof(u[0]));
+        return str;
+      }
+    };
+
+} // namespace chrono
+} // namespace boost
+
+namespace std {
+
+    template <typename Rep>
+    struct numeric_limits<boost::chrono::process_times<Rep> >
+    {
+        typedef boost::chrono::process_times<Rep> Res;
+
+        public:
+        static const bool is_specialized = true;
+        static Res min BOOST_PREVENT_MACRO_SUBSTITUTION ()
+        {
+          return Res((std::numeric_limits<Rep>::min)(),
+                      (std::numeric_limits<Rep>::min)(),
+                      (std::numeric_limits<Rep>::min)());
+        }
+        static Res max BOOST_PREVENT_MACRO_SUBSTITUTION ()
+        {
+          return Res((std::numeric_limits<Rep>::max)(),
+                      (std::numeric_limits<Rep>::max)(),
+                      (std::numeric_limits<Rep>::max)());
+        }
+        static Res lowest() throw()
+        {
+            return (min)();
+        }
+        static const int digits = std::numeric_limits<Rep>::digits+
+                        std::numeric_limits<Rep>::digits+
+                        std::numeric_limits<Rep>::digits;
+        static const int digits10 = std::numeric_limits<Rep>::digits10+
+                        std::numeric_limits<Rep>::digits10+
+                        std::numeric_limits<Rep>::digits10;
+        static const bool is_signed = Rep::is_signed;
+        static const bool is_integer = Rep::is_integer;
+        static const bool is_exact = Rep::is_exact;
+        static const int radix = 0;
+        //~ static Res epsilon() throw() { return 0; }
+        //~ static Res round_error() throw() { return 0; }
+        //~ static const int min_exponent = 0;
+        //~ static const int min_exponent10 = 0;
+        //~ static const int max_exponent = 0;
+        //~ static const int max_exponent10 = 0;
+        //~ static const bool has_infinity = false;
+        //~ static const bool has_quiet_NaN = false;
+        //~ static const bool has_signaling_NaN = false;
+        //~ static const float_denorm_style has_denorm = denorm_absent;
+        //~ static const bool has_denorm_loss = false;
+        //~ static Res infinity() throw() { return 0; }
+        //~ static Res quiet_NaN() throw() { return 0; }
+        //~ static Res signaling_NaN() throw() { return 0; }
+        //~ static Res denorm_min() throw() { return 0; }
+        //~ static const bool is_iec559 = false;
+        //~ static const bool is_bounded = true;
+        //~ static const bool is_modulo = false;
+        //~ static const bool traps = false;
+        //~ static const bool tinyness_before = false;
+        //~ static const float_round_style round_style = round_toward_zero;
+
+    };
+}
+
+#ifndef BOOST_CHRONO_HEADER_ONLY
+#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
+#else
+#include <boost/chrono/detail/inlined/process_cpu_clocks.hpp>
+#endif
+#endif
+
+#endif  // BOOST_CHRONO_PROCESS_CPU_CLOCKS_HPP