1 // Copyright John Maddock 2008.
2 
3 // Use, modification and distribution are subject to the
4 // Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt
6 // or copy at http://www.boost.org/LICENSE_1_0.txt)
7 
8 #ifndef BOOST_MATH_SPECIAL_ROUND_FWD_HPP
9 #define BOOST_MATH_SPECIAL_ROUND_FWD_HPP
10 
11 #include <boost/config.hpp>
12 #include <boost/math/tools/promotion.hpp>
13 
14 #ifdef _MSC_VER
15 #pragma once
16 #endif
17 
18 namespace boost
19 {
20    namespace math
21    {
22 
23    template <class T, class Policy>
24    typename tools::promote_args<T>::type trunc(const T& v, const Policy& pol);
25    template <class T>
26    typename tools::promote_args<T>::type trunc(const T& v);
27    template <class T, class Policy>
28    int itrunc(const T& v, const Policy& pol);
29    template <class T>
30    int itrunc(const T& v);
31    template <class T, class Policy>
32    long ltrunc(const T& v, const Policy& pol);
33    template <class T>
34    long ltrunc(const T& v);
35 #ifdef BOOST_HAS_LONG_LONG
36    template <class T, class Policy>
37    boost::long_long_type lltrunc(const T& v, const Policy& pol);
38    template <class T>
39    boost::long_long_type lltrunc(const T& v);
40 #endif
41    template <class T, class Policy>
42    typename tools::promote_args<T>::type round(const T& v, const Policy& pol);
43    template <class T>
44    typename tools::promote_args<T>::type round(const T& v);
45    template <class T, class Policy>
46    int iround(const T& v, const Policy& pol);
47    template <class T>
48    int iround(const T& v);
49    template <class T, class Policy>
50    long lround(const T& v, const Policy& pol);
51    template <class T>
52    long lround(const T& v);
53 #ifdef BOOST_HAS_LONG_LONG
54    template <class T, class Policy>
55    boost::long_long_type llround(const T& v, const Policy& pol);
56    template <class T>
57    boost::long_long_type llround(const T& v);
58 #endif
59    template <class T, class Policy>
60    T modf(const T& v, T* ipart, const Policy& pol);
61    template <class T>
62    T modf(const T& v, T* ipart);
63    template <class T, class Policy>
64    T modf(const T& v, int* ipart, const Policy& pol);
65    template <class T>
66    T modf(const T& v, int* ipart);
67    template <class T, class Policy>
68    T modf(const T& v, long* ipart, const Policy& pol);
69    template <class T>
70    T modf(const T& v, long* ipart);
71 #ifdef BOOST_HAS_LONG_LONG
72    template <class T, class Policy>
73    T modf(const T& v, boost::long_long_type* ipart, const Policy& pol);
74    template <class T>
75    T modf(const T& v, boost::long_long_type* ipart);
76 #endif
77 
78    }
79 }
80 
81 #undef BOOST_MATH_STD_USING
82 #define BOOST_MATH_STD_USING BOOST_MATH_STD_USING_CORE\
83    using boost::math::round;\
84    using boost::math::iround;\
85    using boost::math::lround;\
86    using boost::math::trunc;\
87    using boost::math::itrunc;\
88    using boost::math::ltrunc;\
89    using boost::math::modf;
90 
91 
92 #endif // BOOST_MATH_SPECIAL_ROUND_FWD_HPP
93 
94