Point Cloud Library (PCL)  1.12.0
instantiate.hpp
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38 #ifndef PCL_IMPL_INSTANTIATE_H_
39 #define PCL_IMPL_INSTANTIATE_H_
40 
41 #ifdef __GNUC__
42 #pragma GCC system_header
43 #endif
44 
45 #include <pcl/pcl_config.h>
46 
47 //#define PCL_POINT_TYPES (bool)(int)(float)(double)
48 //#define PCL_TEMPLATES (Type)(Othertype)
49 
50 //
51 // PCL_INSTANTIATE: call to instantiate template TEMPLATE for all
52 // POINT_TYPES
53 //
54 
55 #ifdef PCL_NO_PRECOMPILE
56 
57 #define PCL_INSTANTIATE_IMPL(r, TEMPLATE, POINT_TYPE)
58 #define PCL_INSTANTIATE(TEMPLATE, POINT_TYPES)
59 #define PCL_INSTANTIATE_PRODUCT_IMPL(r, product)
60 #define PCL_INSTANTIATE_PRODUCT(TEMPLATE, PRODUCT)
61 
62 #else
63 
64 #include <boost/preprocessor/seq/for_each.hpp>
65 #include <boost/preprocessor/seq/for_each_product.hpp>
66 #include <boost/preprocessor/seq/to_tuple.hpp>
67 #include <boost/preprocessor/cat.hpp>
68 #include <boost/preprocessor/expand.hpp>
69 
70 #define PCL_INSTANTIATE_IMPL(r, TEMPLATE, POINT_TYPE) \
71  BOOST_PP_CAT(PCL_INSTANTIATE_, TEMPLATE)(POINT_TYPE)
72 
73 #define PCL_INSTANTIATE(TEMPLATE, POINT_TYPES) \
74  BOOST_PP_SEQ_FOR_EACH(PCL_INSTANTIATE_IMPL, TEMPLATE, POINT_TYPES)
75 
76 
77 //
78 // PCL_INSTANTIATE_PRODUCT(templatename, (seq1)(seq2)...(seqN))
79 //
80 // instantiate templates
81 //
82 // A call to PCL_INSTANTIATE_PRODUCT(T, ((a)(b)) ((d)(e)) ) results in calls
83 //
84 // PCL_INSTANTIATE_T(a, d)
85 // PCL_INSTANTIATE_T(a, e)
86 // PCL_INSTANTIATE_T(b, d)
87 // PCL_INSTANTIATE_T(b, e)
88 //
89 // That is, PCL_INSTANTIATE_T is called for the cartesian product of the sequences seq1 ... seqN
90 //
91 // BE CAREFUL WITH YOUR PARENTHESIS! The argument PRODUCT is a
92 // sequence of sequences. e.g. if it were three sequences of,
93 // 1. letters, 2. numbers, and 3. our favorite transylvanians, it
94 // would be
95 //
96 // ((x)(y)(z))((1)(2)(3))((dracula)(radu))
97 //
98 #ifdef _MSC_VER
99 #define PCL_INSTANTIATE_PRODUCT_IMPL(r, product) \
100  BOOST_PP_CAT(PCL_INSTANTIATE_, BOOST_PP_SEQ_HEAD(product)) \
101  BOOST_PP_EXPAND(BOOST_PP_SEQ_TO_TUPLE(BOOST_PP_SEQ_TAIL(product)))
102 #else
103 #define PCL_INSTANTIATE_PRODUCT_IMPL(r, product) \
104  BOOST_PP_EXPAND(BOOST_PP_CAT(PCL_INSTANTIATE_, BOOST_PP_SEQ_HEAD(product)) \
105  BOOST_PP_SEQ_TO_TUPLE(BOOST_PP_SEQ_TAIL(product)))
106 #endif
107 
108 
109 #define PCL_INSTANTIATE_PRODUCT(TEMPLATE, PRODUCT) \
110  BOOST_PP_SEQ_FOR_EACH_PRODUCT(PCL_INSTANTIATE_PRODUCT_IMPL, ((TEMPLATE))PRODUCT)
111 
112 #endif
113 
114 #endif