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00017 #ifndef INCLUDE_VAUCANSON_MISC_ALGEBRA_HH
00018 # define INCLUDE_VAUCANSON_MISC_ALGEBRA_HH
00019
00021
00022
00030
00031 namespace vcsn {
00032 namespace misc {
00034
00035
00036
00037
00038
00039
00040 inline
00041 unsigned long long gcd (unsigned long long a, unsigned long long b);
00042
00044 inline
00045 unsigned long long lcm (unsigned long long a, unsigned long long b);
00046
00048 inline
00049 bool is_coprime (unsigned long long a, unsigned long long b);
00050
00051 inline
00052 unsigned long long abs (long long a);
00053
00056 }
00058 }
00059 # if !defined VCSN_USE_INTERFACE_ONLY || defined VCSN_USE_LIB
00060 # include <vaucanson/misc/algebra.hxx>
00061 # endif // VCSN_USE_INTERFACE_ONLY
00062
00063 #endif // !INCLUDE_VAUCANSON_MISC_ALGEBRA_HH